diff --git a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
index 3a3d15b84062..6a3af4e2ece2 100644
--- a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
@@ -37,6 +37,3 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
-  [Revoke blob URL after calling fetch, fetch should succeed]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 3fdae9e722ff..075164803997 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -20553,6 +20553,18 @@
      {}
     ]
    ],
+   "css/CSS2/abspos/hypothetical-box-dynamic.html": [
+    [
+     "css/CSS2/abspos/hypothetical-box-dynamic.html",
+     [
+      [
+       "/css/CSS2/abspos/hypothetical-box-dynamic-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html": [
     [
      "css/CSS2/abspos/hypothetical-inline-alone-on-second-line.html",
@@ -226666,6 +226678,9 @@
    "css/CSS2/abspos/abspos-containing-block-initial-009-ref.xht": [
     []
    ],
+   "css/CSS2/abspos/hypothetical-box-dynamic-ref.html": [
+    []
+   ],
    "css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html": [
     []
    ],
@@ -431807,7 +431822,7 @@
    "support"
   ],
   ".taskcluster.yml": [
-   "89e51c8c71c540899852d34ab0e0f48e1f9f4fb1",
+   "a8e297242fe1d9d63ffd23f0403dbb1fa6f079ac",
    "support"
   ],
   ".well-known/README.md": [
@@ -443691,11 +443706,11 @@
    "reftest"
   ],
   "compat/webkit-text-fill-color-property-006-ref.html": [
-   "602d296bdb45a788ae4dbcf6bb78c911422dbb78",
+   "a26c94473244187bda32499b2664a37dd15f2a56",
    "support"
   ],
   "compat/webkit-text-fill-color-property-006.html": [
-   "4eb37e9e9519ad4ed7aab6bc5d45a2a6023b9ec5",
+   "1d3965fca6769c70bc02308a4c70b4e58c8990e5",
    "reftest"
   ],
   "conformance-checkers/META.yml": [
@@ -467590,6 +467605,14 @@
    "b4c933e8d8021ed357d9942d2f44b7cd44abbf76",
    "reftest"
   ],
+  "css/CSS2/abspos/hypothetical-box-dynamic-ref.html": [
+   "feb01b0515ac439ec0c359fad8a34565bce509ab",
+   "support"
+  ],
+  "css/CSS2/abspos/hypothetical-box-dynamic.html": [
+   "7c7348727bb45685a217b283cf21ccd2f733e0f3",
+   "reftest"
+  ],
   "css/CSS2/abspos/hypothetical-inline-alone-on-second-line-ref.html": [
    "1ceebb0f7e39896003508a769c772cc6e6bf54cd",
    "support"
@@ -480235,7 +480258,7 @@
    "visual"
   ],
   "css/CSS2/cascade/default-stylesheet-001.xht": [
-   "3110e61a00116e173c66bbf7a3fa66a86ab03b03",
+   "6558ccded873345b912637529019a21ad660fc74",
    "visual"
   ],
   "css/CSS2/cascade/html-attribute-001.xht": [
@@ -480411,7 +480434,7 @@
    "visual"
   ],
   "css/CSS2/cascade/inherited-value-002.xht": [
-   "85c0b0dcd821f083ed3e752c0a61901cfac4c175",
+   "6e489b858e685ec87de1aebe61809fbfb0d52738",
    "visual"
   ],
   "css/CSS2/cascade/non-inherited-value-001.xht": [
@@ -484239,7 +484262,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-001.xht": [
-   "27ede73f1fec4899011c80c54bbe930474156d49",
+   "e3df4575555e22e23b308f29cbbba8207747a58f",
    "reftest"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-002-ref.xht": [
@@ -484247,7 +484270,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-002.xht": [
-   "98acb521ab2b83e5071d8bebe2ce7612deabb56a",
+   "3ec8887a526c77a939cad8eee4c8c98470772542",
    "reftest"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-003-ref.xht": [
@@ -484255,7 +484278,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-003.xht": [
-   "672a763acf0f9773f4fd1025712fad5c60a6c363",
+   "4f784ccbb1cab253a72fcca856a9b95f5d55cdc0",
    "reftest"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-004-ref.xht": [
@@ -484267,7 +484290,7 @@
    "reftest"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-005-ref.xht": [
-   "f570c0ff33530a6fcdbca99bd8bf7d9725448266",
+   "d5b6249959a7f18d48c0a7c239a31e3369c3a268",
    "support"
   ],
   "css/CSS2/floats-clear/clear-clearance-calculation-005.xht": [
@@ -484387,7 +484410,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/clearance-006.xht": [
-   "9fcf682f962507799b7d14a9202304b2c9404087",
+   "2ed4bf7c35e4c01e7966a0e11d27d592eb8c26b0",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-001.xht": [
@@ -484415,7 +484438,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/float-005.xht": [
-   "a7577b1051ba0cd4f7b7c789fa82b45f2da67c4b",
+   "6b5dac999cc7d48e6620860fb6907fb3a4fdc120",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-006-ref.xht": [
@@ -484539,31 +484562,31 @@
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-006.xht": [
-   "cfd1a9c04c4bf5a2b953492f69d6631162db27ec",
+   "7246558ca2a9dd94ca8e0be41c274c6f843332d6",
    "visual"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-007.xht": [
-   "aa4e3ce7af666212433112a845f183756ad376b6",
+   "2cf7865dd40b4fa8d151b442b1d88f9e87ec7d2a",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-008.xht": [
-   "096f883e00c0293189f1317513c3f378f6ad2f63",
+   "aca4ede4984caf2615d9b58a71a5de373beb3c7b",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-009.xht": [
-   "8662b46c28d2fb31563abc900f269c9dd6456e33",
+   "1382e4c091a124f55f72225b2ba90dfbfa51e7d3",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-010.xht": [
-   "c90835645f805e00cb0889c449aeb1ad6cb274e4",
+   "d09e24eee94bbee477adcd0dfc303ed244ad17b0",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-011.xht": [
-   "f9819570df11fc4cf9fa35b38561215397b48700",
+   "5e436fbe8b3f09e5f6763b3d01294d39a63b8592",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-012.xht": [
-   "2c2cd8d65521832283f535385a41a034ecceac9d",
+   "24015935d55b72eaaaf8aaed2cfa25758955988f",
    "reftest"
   ],
   "css/CSS2/floats-clear/float-non-replaced-width-013.xht": [
@@ -484727,7 +484750,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-006.xht": [
-   "f484da3e45d69932b3ccac6f634f4f1501583e57",
+   "02c442b9b8fcad9a8aa506f179c4e230aecb22f4",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-007-ref.xht": [
@@ -484747,7 +484770,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-009.xht": [
-   "2b33109bb1376e4b2ac01c27f25f9324b8743c3e",
+   "eab2dd4408e18b187fe25f06729dd6100ac71dca",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-014-ref.xht": [
@@ -484951,7 +484974,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-111.xht": [
-   "bae8c3d5ace1a31183ecf3c142e1163ba0469e90",
+   "4f8f14703ded8050d75b72bf64bbe76cffa3e43e",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-112-ref.xht": [
@@ -484959,7 +484982,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-112.xht": [
-   "ba61234a1de2d06336c457ae289be9e475e2574f",
+   "ec58b3371367416ec1a557a2e4a430dee77f1349",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-113-ref.xht": [
@@ -484967,7 +484990,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-113.xht": [
-   "9cae6fed933120e6113222c599e196513b8df94b",
+   "976caef6767ea0f020af270d2523370c5dd1e01d",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-114-ref.xht": [
@@ -484983,7 +485006,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-115.xht": [
-   "0a587ff4562520534f3ad2b7f3de55b92c7d94f9",
+   "b426fcd6105759d9b8315d5ba17e4112c357274c",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-116-ref.xht": [
@@ -484991,11 +485014,11 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-116.xht": [
-   "2796e836c62cefa26b8fa7375b140bd5de1a15b5",
+   "507d74fb54894006a8387746a27172382e67052c",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-117.xht": [
-   "e5c06f914010b58e8a28b188425fb2c1613c97f1",
+   "43183603a024485215df3cd9f4a77a5b4246a172",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-118-ref.xht": [
@@ -485003,7 +485026,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-118.xht": [
-   "72b1130f5c60917b063fcab705c99e667f26ac2b",
+   "efd369b47d36621cf797457b33a346532296d026",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-119-ref.xht": [
@@ -485011,11 +485034,11 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-119.xht": [
-   "4b63f91275594fe8b99f11439094f16330e14cf0",
+   "4c8b4cbc97221af7d9a9f3918bdb66ceac2c672e",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-120.xht": [
-   "64e20b2c50c4720ea354ac7816fa0d580188d48e",
+   "c68c1930bded89fd36c7c71ab7695159f4169c3a",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-121-ref.xht": [
@@ -485023,7 +485046,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-121.xht": [
-   "7024922bc824abc13d5cea2cefb777515e1a81e9",
+   "96df9be181fac0d93b6dc5e4edb52e01ed0dd429",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-122-ref.xht": [
@@ -485031,7 +485054,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-122.xht": [
-   "341e38b75b81811204083abe34d6475dbaa29567",
+   "783783222ae5b51a2b75899b24e53b977e540e6c",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-123-ref.xht": [
@@ -485039,7 +485062,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-123.xht": [
-   "a00ac83e5f1cb3e86ef6727c4f322a6ff4fd3677",
+   "c05d6f040444ab63cec799b8ec3894aad1582cc5",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-124-ref.xht": [
@@ -485087,7 +485110,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-132.xht": [
-   "e16e2db90e33d155d940ed3feb351550af89eea5",
+   "ed947eff263022bb22cd2e2a18ce36d7752b2541",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-133-ref.xht": [
@@ -485095,11 +485118,11 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-133.xht": [
-   "963f6198d2c732de3ae88349d909c129d9a3bce0",
+   "45599baa9cc2eb66e3fb642a43786eb3c3522e59",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-134.xht": [
-   "065b09020c2d4aafe84b42e83ea26b7faf6145f2",
+   "b19f0a6dab7bdf64ace7cac43463c3c9f026ec60",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-135-ref.xht": [
@@ -485115,11 +485138,11 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-136.xht": [
-   "f13315afed97aa0c106dc9d1b0483250f6094420",
+   "229a9a2e10cb96d892725cec4284f34c40658fb7",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-137.xht": [
-   "4ec41b49bc0748d138032518c30a2ce3fe9c6e01",
+   "410b97ff8446bb3c290cb72d8a5c35b9e5555d3a",
    "manual"
   ],
   "css/CSS2/floats-clear/floats-138-ref.xht": [
@@ -485179,7 +485202,7 @@
    "support"
   ],
   "css/CSS2/floats-clear/floats-145.xht": [
-   "48862b54b7909f26c0f2869394264e4ecae38500",
+   "b5b5bf2c1f9f3508c3488874fd457b6b26fa8593",
    "reftest"
   ],
   "css/CSS2/floats-clear/floats-146-ref.xht": [
@@ -485251,11 +485274,11 @@
    "reftest"
   ],
   "css/CSS2/floats-clear/margin-collapse-018.xht": [
-   "499ed227362810c0b05883a4ae6d86b37c6d6bfa",
+   "f509ad1ac4f8d7c7af8b4cc86e0089fbb001762b",
    "reftest"
   ],
   "css/CSS2/floats-clear/margin-collapse-023.xht": [
-   "46425d55e6c6baf78a552a6b1cb29d4694f0b41c",
+   "e54c0a203facd15bc72e7fee41bd52044d906ba2",
    "reftest"
   ],
   "css/CSS2/floats-clear/margin-collapse-024-ref.xht": [
@@ -485263,11 +485286,11 @@
    "support"
   ],
   "css/CSS2/floats-clear/margin-collapse-024.xht": [
-   "ace298e80a5baed36edc7777ac711c0c453073a1",
+   "2d64922f614edf965f8e98af28eaa972e9929b49",
    "reftest"
   ],
   "css/CSS2/floats-clear/margin-collapse-027.xht": [
-   "bf459540c9a4091d69b6e3c3389c690c16a620b6",
+   "fd9a53bd522773038a4f6aefa815072b0bc8e8c0",
    "reftest"
   ],
   "css/CSS2/floats-clear/margin-collapse-031-ref.xht": [
@@ -490623,15 +490646,15 @@
    "support"
   ],
   "css/CSS2/linebox/border-padding-bleed-001.xht": [
-   "8aa38c0efe1a879efa2950ee3778f875af816151",
+   "0f76472745a4e20b165f596a9dcba900724e72ad",
    "reftest"
   ],
   "css/CSS2/linebox/border-padding-bleed-002.xht": [
-   "bce438a8b111bd92eea702be07075eddc4c87a6c",
+   "7e3d64dd64d303a7ca3e6419c8d457f2e2ddccdd",
    "reftest"
   ],
   "css/CSS2/linebox/border-padding-bleed-003.xht": [
-   "7bb2e250ec63f6c4141a8f0e98a9fe656117216d",
+   "74dd19b2d42ea3cdc89ce9992a8771f711a3e0a2",
    "reftest"
   ],
   "css/CSS2/linebox/empty-inline-001.xht": [
@@ -490643,7 +490666,7 @@
    "support"
   ],
   "css/CSS2/linebox/empty-inline-002.xht": [
-   "5f0f6e7669b0b59ef64c88a7ef78e51859efc0c9",
+   "3d2064c75a15ce54ee90022206024afd254c9d61",
    "reftest"
   ],
   "css/CSS2/linebox/empty-inline-003-ref.xht": [
@@ -490719,7 +490742,7 @@
    "support"
   ],
   "css/CSS2/linebox/inline-formatting-context-008.xht": [
-   "2f0f17294d1e3724b747e9e735254d88dfb1a588",
+   "e2d3d7ba492a12fc72684c46357799d52d4670e9",
    "reftest"
   ],
   "css/CSS2/linebox/inline-formatting-context-009-ref.xht": [
@@ -490727,19 +490750,19 @@
    "support"
   ],
   "css/CSS2/linebox/inline-formatting-context-009.xht": [
-   "7d5b712231e54d51c646653b46f643e191c9b6b4",
+   "562d060644a294e975a6d5e6827214bc6737ad53",
    "reftest"
   ],
   "css/CSS2/linebox/inline-formatting-context-010.xht": [
-   "f41d8052f169581df01fa969efc1e9db0f6b3582",
+   "ce08486de9ecd7ee8b5addfbbd494888fd6ba122",
    "visual"
   ],
   "css/CSS2/linebox/inline-formatting-context-010b.xht": [
-   "9d1d311ba215dec9aae54a7e8a119db239ff8034",
+   "919200373260ffc5218ba40f8746f0c4421c6055",
    "manual"
   ],
   "css/CSS2/linebox/inline-formatting-context-010c.xht": [
-   "20a51aa032a2e371bb03b469671ea8269940cb81",
+   "9c70da07b367091ef4f649ea3c47678db2f7a492",
    "visual"
   ],
   "css/CSS2/linebox/inline-formatting-context-010d.xht": [
@@ -490751,7 +490774,7 @@
    "support"
   ],
   "css/CSS2/linebox/inline-formatting-context-011.xht": [
-   "28a3b1e30ce5ad97c56fdf3bee79d369d2a73ad8",
+   "59bcc11a6652fa21092e33800bf4cae13684847e",
    "reftest"
   ],
   "css/CSS2/linebox/inline-formatting-context-012.xht": [
@@ -490763,11 +490786,11 @@
    "support"
   ],
   "css/CSS2/linebox/inline-formatting-context-013.xht": [
-   "e30dc56a6d546e371d2529435e3c8d3352eefb93",
+   "3bd974c079ff929532e0f9a2e951e4943a878df8",
    "reftest"
   ],
   "css/CSS2/linebox/inline-formatting-context-014.xht": [
-   "20f6c1969bf489ae4379fd13ecb627c08abbc84b",
+   "9f347f313e63880992ca1a35e574bd45b3dd3ada",
    "visual"
   ],
   "css/CSS2/linebox/inline-formatting-context-015-ref.xht": [
@@ -490783,7 +490806,7 @@
    "visual"
   ],
   "css/CSS2/linebox/inline-formatting-context-017.xht": [
-   "28f63ea2f78cb064e0b10fc29b4cfc5f84c57aad",
+   "787140e41e7e6017efa395d056312537afa3a082",
    "visual"
   ],
   "css/CSS2/linebox/inline-formatting-context-018.xht": [
@@ -490807,7 +490830,7 @@
    "support"
   ],
   "css/CSS2/linebox/inline-formatting-context-022.xht": [
-   "a3021bbb360c9bed5aba5013b97b4dc82b3aecc9",
+   "da6b35126acdcef676cd462957a7059abff9a04b",
    "reftest"
   ],
   "css/CSS2/linebox/inline-formatting-context-023-ref.xht": [
@@ -490823,11 +490846,11 @@
    "support"
   ],
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diff --git a/tests/wpt/metadata/css/CSS2/abspos/hypothetical-box-dynamic.html.ini b/tests/wpt/metadata/css/CSS2/abspos/hypothetical-box-dynamic.html.ini
new file mode 100644
index 000000000000..8291ece4c89e
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/abspos/hypothetical-box-dynamic.html.ini
@@ -0,0 +1,2 @@
+[hypothetical-box-dynamic.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini b/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini
deleted file mode 100644
index 5496474410b1..000000000000
--- a/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-animation.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[mix-blend-mode-animation.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 1c539f8e0a86..71b464db3b5d 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,6 +312,24 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: */* text/html]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 87c807a49ff9..ef3edb789855 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,3 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%0C]
     expected: FAIL
 
+  [X-Content-Type-Options%3A%20%22nosniFF%22]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
new file mode 100644
index 000000000000..87b07c3e6704
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
similarity index 71%
rename from tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
rename to tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
index dc2e45516deb..385376c7321e 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_5.html]
+[traverse_the_history_4.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 000000000000..a9677391662b
--- /dev/null
+++ b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,4 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
index a56bad443a2d..66bd350083b0 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
@@ -1,5 +1,4 @@
 [realtimeanalyser-fft-scaling.html]
-  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini b/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini
new file mode 100644
index 000000000000..95054b62db0b
--- /dev/null
+++ b/tests/wpt/metadata/webdriver/tests/new_session/response.py.ini
@@ -0,0 +1,2 @@
+[response.py]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini b/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
index bfd4d6dd2d69..bf2a1d61bab8 100644
--- a/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
+++ b/tests/wpt/metadata/workers/baseurl/alpha/import-in-moduleworker.html.ini
@@ -1,5 +1,4 @@
 [import-in-moduleworker.html]
-  expected: ERROR
   [Base URL in module dedicated workers: import]
     expected: FAIL
 
diff --git a/tests/wpt/web-platform-tests/.taskcluster.yml b/tests/wpt/web-platform-tests/.taskcluster.yml
index 89e51c8c71c5..a8e297242fe1 100644
--- a/tests/wpt/web-platform-tests/.taskcluster.yml
+++ b/tests/wpt/web-platform-tests/.taskcluster.yml
@@ -234,6 +234,7 @@ tasks:
           script: >-
             export TOXENV=py36;
             export HYPOTHESIS_PROFILE=ci;
+            sudo apt update -qqy;
             sudo apt install -qqy python3-pip;
             ./tools/ci/run_tc.py \
               tools_unittest \
@@ -246,6 +247,7 @@ tasks:
             Integration tests for wpt commands
           script: >-
             export TOXENV=py27;
+            sudo apt update -qqy;
             sudo apt install -qqy libnss3-tools;
             ./tools/ci/run_tc.py \
               --oom-killer \
@@ -274,6 +276,7 @@ tasks:
           description: >-
             Smoketests for wptrunner
           script: >-
+            sudo apt update -qqy;
             sudo apt install -qqy libnss3-tools libappindicator1 fonts-liberation;
             ./tools/ci/run_tc.py \
               --oom-killer \
diff --git a/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006-ref.html b/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006-ref.html
index 602d296bdb45..a26c94473244 100644
--- a/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006-ref.html
+++ b/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006-ref.html
@@ -3,6 +3,7 @@
 <title>webkit-text-fill-color on text-overflow ellipsis reference</title>
 <link rel="author" title="Jeremy Chen" href="jeremychen@mozilla.com">
 <link rel="author" title="Mozilla" href="https://www.mozilla.org">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006.html b/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006.html
index 4eb37e9e9519..1d3965fca676 100644
--- a/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006.html
+++ b/tests/wpt/web-platform-tests/compat/webkit-text-fill-color-property-006.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://compat.spec.whatwg.org/#the-webkit-text-fill-color">
 <meta name="assert" content="The color of text-overflow ellipsis should be green">
 <link rel="match" href="webkit-text-fill-color-property-006-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html b/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html
new file mode 100644
index 000000000000..feb01b0515ac
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic-ref.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<title>CSS Test Reference</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<style>
+  div {
+    font: 16px / 1 monospace;
+    text-align: center;
+    margin: 5px;
+    position: relative;
+    min-height: 30px;
+  }
+  span {
+    position: absolute;
+  }
+</style>
+<p>Should see two words at the same horizontal position below:</p>
+<div>
+  <span>Foo</span>
+</div>
+<div>
+  <span>Foo</span>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic.html b/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic.html
new file mode 100644
index 000000000000..7c7348727bb4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/CSS2/abspos/hypothetical-box-dynamic.html
@@ -0,0 +1,37 @@
+<!doctype html>
+<html class="reftest-wait">
+<title>Layout is correctly updated when the hypothetical display of an element changes, even though the final computed display doesn't</title>
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-height" title="10.6.4 Absolutely positioned, non-replaced elements">
+<link rel="match" href="hypothetical-box-dynamic-ref.html">
+<style>
+  div {
+    font: 16px / 1 monospace;
+    text-align: center;
+    margin: 5px;
+    position: relative;
+    min-height: 30px;
+  }
+  span {
+    position: absolute;
+  }
+  .block {
+    display: block;
+  }
+</style>
+<p>Should see two words at the same horizontal position below:</p>
+<div>
+  <span class="block">Foo</span>
+</div>
+<div>
+  <span>Foo</span>
+</div>
+<script>
+onload = function() {
+  requestAnimationFrame(() => requestAnimationFrame(() => {
+    document.querySelector(".block").className = "";
+    document.documentElement.className = "";
+  }));
+}
+</script>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/cascade/default-stylesheet-001.xht b/tests/wpt/web-platform-tests/css/CSS2/cascade/default-stylesheet-001.xht
index 3110e61a0011..6558ccded873 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/cascade/default-stylesheet-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/cascade/default-stylesheet-001.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/css-cascade-4/#cascading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="User agent default style sheet settings can be overridden." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             em
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/cascade/inherited-value-002.xht b/tests/wpt/web-platform-tests/css/CSS2/cascade/inherited-value-002.xht
index 85c0b0dcd821..6e489b858e68 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/cascade/inherited-value-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/cascade/inherited-value-002.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/css-cascade-4/" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The computed value of a font-size with a percentage is the percentage of its parent's font-size value. A nested element which also has a percentage applies the parents' specified value (which is inherited)." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             .container
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-001.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-001.xht
index 27ede73f1fec..e3df4575555e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-001.xht
@@ -10,6 +10,7 @@
         <meta name="assert" content="When a cleared element has more top margin than the height of the floated element the margin is collpased with previous in-flow children. The element is then placed at the point of the resulting collapsed margin." />
         <!-- C1 = H-M2 -->
         <!-- C2 = Max(M1, M2) - M1 - M2 -->
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-002.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-002.xht
index 98acb521ab2b..3ec8887a526c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-002.xht
@@ -10,6 +10,7 @@
         <meta name="assert" content="If after margin collapsing the position of the cleared element is above or hypothetically positioned within the layout position of the float. Then the cleared element is positioned directly below the floated element." />
         <!-- C1 = H-M2 -->
         <!-- C2 = Max(M1, M2) - M1 - M2 -->
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-003.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-003.xht
index 672a763acf0f..4f784ccbb1ca 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-003.xht
@@ -10,6 +10,7 @@
         <meta name="assert" content="When a cleared element has more top margin than the height of the floated element the margin is collpased with previous in-flow children. The element is then placed at the point of the resulting collapsed margin." />
         <!-- C1 = H-MT2 -->
         <!-- C2 = Max(M1, MT2, MB2) - M1 - MT2 -->
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-005-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-005-ref.xht
index f570c0ff3353..d5b6249959a7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-005-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clear-clearance-calculation-005-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clearance-006.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clearance-006.xht
index 9fcf682f9625..2ed4bf7c35e4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clearance-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/clearance-006.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content=""/>
   <meta name="assert" content="Zero clearance is not the same as no clearance."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
     div {
       font: 20px/1em Ahem;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-005.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-005.xht
index a7577b1051ba..6b5dac999cc7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="A non-positioned block box created after a float box should flow vertically as if the float did not exist. The line boxes created next to the float should be shortened to make room for that preceding floated box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#left-floated-square
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-006.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-006.xht
index cfd1a9c04c4b..7246558ca2a9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-006.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="If 'width' computes to 'auto' then the used value of 'width' is 'shrink-to-fit'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-007.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-007.xht
index aa4e3ce7af66..2cf7865dd40b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-007.xht
@@ -15,6 +15,7 @@
   <meta content="If 'width' of a floating, non-replaced element computes to 'auto' or 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of a floating, non-replaced element computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-008.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-008.xht
index 096f883e00c0..aca4ede4984c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-008.xht
@@ -15,6 +15,7 @@
   <meta content="If 'width' of a floating, non-replaced element computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of a floating, non-replaced element computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-009.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-009.xht
index 8662b46c28d2..1382e4c091a1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-009.xht
@@ -15,6 +15,7 @@
   <meta content="If 'width' of a floating, non-replaced element computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of a floating, non-replaced element computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-010.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-010.xht
index c90835645f80..d09e24eee94b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-010.xht
@@ -15,6 +15,7 @@
   <meta content="If 'width' of a floating, non-replaced element computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' is specified with absolute length, then the computed value is the specified value. If 'width' of a floating, non-replaced element computes to 'auto' but its own child uses specified absolute length, then such specified absolute length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-011.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-011.xht
index f9819570df11..5e436fbe8b3f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-011.xht
@@ -15,6 +15,7 @@
   <meta content="If 'width' of a floating, non-replaced element computes to 'auto' or 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of a floating, non-replaced element computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-012.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-012.xht
index 2c2cd8d65521..24015935d55b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/float-non-replaced-width-012.xht
@@ -14,6 +14,7 @@
   <meta content="If 'width' of a floating non-replaced element computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation and such calculated width can be furthermore constrained, reduced by a max-width declaration." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-006.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-006.xht
index f484da3e45d6..02c442b9b8fc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-006.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Inline boxes are reflowed to the first available line on the other side of a float." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-009.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-009.xht
index 2b33109bb137..eab2dd4408e1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-009.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Inline boxes are reflowed to the first available line on the other side of a float for right-to-left." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-111.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-111.xht
index bae8c3d5ace1..4f8f14703ded 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-111.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-111.xht
@@ -10,6 +10,7 @@
   <link rel="match" href="floats-111-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
    .container { width: 40%; padding: 0; margin: 1em; border: solid black; font: 2.5em/1 Ahem; height: 1em; width: 1em; background: red; }
    .test { text-align: right; float: right; clear: right; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-112.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-112.xht
index ba61234a1de2..ec58b3371367 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-112.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-112.xht
@@ -10,6 +10,7 @@
   <link rel="match" href="floats-112-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
    .container { width: 40%; padding: 0; margin: 1em; border: solid black; font: 2.5em/1 Ahem; height: 1em; width: 2em; background: red; }
    .test { text-align: right; float: right; clear: right; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-113.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-113.xht
index 9cae6fed9331..976caef6767e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-113.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-113.xht
@@ -10,6 +10,7 @@
   <link rel="match" href="floats-113-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
    .container { width: 40%; padding: 0; margin: 1em; border: solid black; font: 2.5em/1 Ahem; height: 1em; width: 3em; background: white; }
    .test { text-align: right; float: right; clear: right; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-115.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-115.xht
index 0a587ff45625..b426fcd61057 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-115.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-115.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-115-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; width: 200px; height: 50px; background: red; }
    .float { float: left; background: green; color: green; font: 50px/1 Ahem; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-116.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-116.xht
index 2796e836c62c..507d74fb5489 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-116.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-116.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-116-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; width: 300px; height: 150px; background: red; }
    .float { float: left; background: green; color: green; font: 50px/1 Ahem; padding: 50px; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-117.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-117.xht
index e5c06f914010..43183603a024 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-117.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-117.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-116-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; width: 300px; height: 150px; background: red; }
    .float { float: left; color: green; font: 50px/1 Ahem; border: 50px solid green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-118.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-118.xht
index 72b1130f5c60..efd369b47d36 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-118.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-118.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-118-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; }
    span { display: block; width: 100px; height: 25px; margin-bottom: 10px; background: navy; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-119.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-119.xht
index 4b63f9127559..4c8b4cbc9722 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-119.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-119.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-119-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; }
    span { display: block; width: 150px; height: 75px; margin-bottom: 10px; background: navy; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-120.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-120.xht
index 64e20b2c50c4..c68c1930bded 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-120.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-120.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-119-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { display: block; }
    span { display: block; width: 150px; height: 75px; margin-bottom: 10px; background: navy; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-121.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-121.xht
index 7024922bc824..96df9be181fa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-121.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-121.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-121-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    #container { display: block; width: 299px; background: red; color: green; font: 50px/1 Ahem; border: solid white; }
    .float { float: left; margin: 50px; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-122.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-122.xht
index 341e38b75b81..783783222ae5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-122.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-122.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-122-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    #container { display: block; width: 100px; background: red; color: green; font: 50px/1 Ahem; position: relative; }
    .float { float: left; color: white; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-123.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-123.xht
index a00ac83e5f1c..c05d6f040444 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-123.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-123.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-123-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    #container { display: block; width: 150px; background: red; position: relative; }
    .float { float: left; color: green; font: 50px/1 Ahem; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-132.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-132.xht
index e16e2db90e33..ed947eff2630 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-132.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-132.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-132-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { font: 20px/1 Ahem; width: 8em; height: 2em; background: red; }
    .box { height: 1em; background: green; color: lime; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-133.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-133.xht
index 963f6198d2c7..45599baa9cc2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-133.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-133.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-133-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { font: 20px/1 Ahem; width: 2em; height: 1em; background: red; }
    .box { height: 1em; color: white; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-134.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-134.xht
index 065b09020c2d..b19f0a6dab7b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-134.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-134.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-133-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { font: 20px/1 Ahem; width: 2em; height: 1em; background: red; }
    .box { height: 1em; color: white; position: relative; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-136.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-136.xht
index f13315afed97..229a9a2e10cb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-136.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-136.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="floats-136-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { font: 30px/1 Ahem; color: green; margin: 0; padding: 0; border: 0;
                 background: url(support/60x60-red.png) no-repeat;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-137.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-137.xht
index 4ec41b49bc07..410b97ff8446 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-137.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-137.xht
@@ -6,6 +6,7 @@
   <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/float/wrapping/001.html" type="text/html"/>
   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#floats" />
   <meta name="flags" content="ahem animated"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
    .ahem { font: 1.25em/1 Ahem; background: yellow; color: navy; }
    div.ahem { border: solid 1em navy; width: 10em; height: 10em; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-145.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-145.xht
index 48862b54b790..b5b5bf2c1f9f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-145.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/floats-145.xht
@@ -10,6 +10,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#floats" />
   <link rel="match" href="floats-145-ref.xht" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-018.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-018.xht
index 499ed2273628..f509ad1ac4f8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-018.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="An element that has clearance applied to it will not collapse its top margin with its parent's bottom margin." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-023.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-023.xht
index 46425d55e6c6..e54c0a203fac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-023.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-023.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="If an in-flow block-level sibling (#div4) has clearance applied to it, then it will not adjoin its top margin with the bottom margin of its previous in-flow sibling (#div2)." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-024.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-024.xht
index ace298e80a5b..2d64922f614e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-024.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-024.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="When an in-flow block-level element (#div3) is adjoining its in-flow block-level child's top margin and the child has no top border, no top padding or no clearance applied to it, then such top margins collapse." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-027.xht b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-027.xht
index bf459540c9a4..fd9a53bd5227 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-027.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/floats-clear/margin-collapse-027.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="When a last sibling has clearance, its own margins collapse and it collapsed its margins with a subsequent sibling, the last sibling does not collapse its bottom margin with its parent's bottom margin." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-001.xht
index 8aa38c0efe1a..0f76472745a4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-001.xht
@@ -19,6 +19,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Although margins, borders and padding of inline non-replaced elements do not enter into the line box calculation, they are still rendered around inline boxes. This means that if the height specified by 'line-height' (40px in this testcase) is equal to the content height (40px in this testcase) of contained boxes, then background-color of padding-top area and border-top may 'bleed' into the adjoining preceding line box. Since line boxes are rendered in document order, this causes padding-top and border-top of 2nd line box (the span element in this testcase) to be painted over border-bottom and padding-bottom of inline boxes of previous line and, in this testcase, over the 1st line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-002.xht
index bce438a8b111..7e3d64dd64d3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-002.xht
@@ -19,6 +19,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Although margins, borders and padding of inline non-replaced elements do not enter into the line box calculation, they are still rendered around inline boxes. This means that if the height specified by 'line-height' (40px in this testcase) is equal to the content height (40px in this testcase) of contained boxes, then background-color of padding-top area and border-top may 'bleed' into the adjoining preceding line box. Since line boxes are rendered in document order, this causes padding-top of 2nd line box (the span element in this testcase) to be painted over border-bottom and padding-bottom of inline boxes of previous line and, in this testcase, over the 1st line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-003.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-003.xht
index 7bb2e250ec63..74dd19b2d42e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/border-padding-bleed-003.xht
@@ -19,6 +19,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Although margins, borders and padding of inline non-replaced elements do not enter into the line box calculation, they are still rendered around inline boxes. This means that if the height specified by 'line-height' (40px in this testcase) is equal to the content height (40px in this testcase) of contained boxes, then background-color of padding-top area and border-top may 'bleed' into the adjoining preceding line box. Since line boxes are rendered in document order, this causes border-top of 2nd line box (the span element in this testcase) to be painted over border-bottom and padding-bottom of inline boxes of previous line and, in this testcase, over the 1st line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/empty-inline-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/empty-inline-002.xht
index 5f0f6e7669b0..3d2064c75a15 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/empty-inline-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/empty-inline-002.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Empty inline elements still influence calculation just like elements with content." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div, span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-008.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-008.xht
index 2f0f17294d1e..e2d3d7ba492a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-008.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Inline element width is determined by the containing block." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-009.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-009.xht
index 7d5b712231e5..562d060644a2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-009.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Inline element width is determined by the containing block and any floated elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010.xht
index f41d8052f169..ce08486de9ec 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010.xht
@@ -7,6 +7,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A line box is always tall enough to contain all the boxes in the line." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010b.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010b.xht
index 9d1d311ba215..919200373260 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010b.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010b.xht
@@ -14,6 +14,7 @@
   <meta content="ahem dom image interact" name="flags" />
   <meta content="A line box is always tall enough for all of the boxes it contains. A line box can be as tall as the tallest inline non-replaced box it contains." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010c.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010c.xht
index 20a51aa032a2..9c70da07b367 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010c.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-010c.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="The line box height is given by the distance between the uppermost box top and the lowermost box bottom. The line box height is not necessarly given by the height of the tallest inline box contained in the line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-011.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-011.xht
index 28a3b1e30ce5..59bcc11a6652 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-011.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property determines the vertical alignment of a box within a line box." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-013.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-013.xht
index e30dc56a6d54..3bd974c079ff 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-013.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Line boxes are stacked with no vertical separation and they never overlap." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-014.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-014.xht
index 20f6c1969bf4..9f347f313e63 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-014.xht
@@ -7,6 +7,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Line boxes span the entire width of a container unless constrained by floats." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-017.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-017.xht
index 28f63ea2f78c..787140e41e7e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-017.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#inline-formatting" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="If 'text-align' is set to 'justify' the user agent may stretch spaces and/or words." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-022.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-022.xht
index a3021bbb360c..da6b35126acd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-022.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/inline-formatting-context-022.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="Margins, borders and padding have no visual effect when inline boxes are split." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/leading-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/leading-001.xht
index ff787303b5fb..060ca310c4f0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/leading-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/leading-001.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Line-height can be different from the content area so space is above and below." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-box-height-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-box-height-001.xht
index 2f68d7903702..de7483edb759 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-box-height-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-box-height-001.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets the initial height but that height is increased if the content height is larger." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-001.xht
index c6ac7e12cb63..093c528849be 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-001.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-002.xht
index 5efc2c8c1b3e..c2d79e962168 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-002.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-003.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-003.xht
index bd8bb2b393c2..eaecbc881909 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-003.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-004.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-004.xht
index 3471ebb20b28..54073f03a63e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-004.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-005.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-005.xht
index 0af826f918d7..771b73e089da 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-005.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-006.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-006.xht
index be5ca7d5a04c..23f97548d701 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-006.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-007.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-007.xht
index 4cde943c3285..230959c92cf3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-007.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-012.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-012.xht
index 60b4d2c6af81..2dcf24aa758f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-012.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-013.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-013.xht
index 39c75883893e..793ec3df6b45 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-013.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-014.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-014.xht
index a33485d6f95b..cfc476ced179 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-014.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="96dpi ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-015.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-015.xht
index 9c34b2b0a3cf..06937a1c44b2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-015.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-016.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-016.xht
index 94b00f8e09d4..e321d8137cf2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-016.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-017.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-017.xht
index 684e1be9a9a1..1da91497a721 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-017.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-018.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-018.xht
index 5dac96d4f99c..4f17ebd5da89 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-018.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-023.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-023.xht
index b715b296605f..5fd1aeb3da13 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-023.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-023.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-024.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-024.xht
index 90ff4bb0f819..4875daa567a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-024.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-024.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-025.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-025.xht
index 4f632e8758a1..98086a486595 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-025.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-025.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-026.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-026.xht
index cf9385ea61a1..658d49943cca 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-026.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-026.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-027.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-027.xht
index 0e038a4f2114..cdb3e0861f58 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-027.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-027.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-028.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-028.xht
index 18ecfd98c345..7e30abac4340 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-028.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-029.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-029.xht
index 85f1796c6883..188e0149e5c6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-029.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-034.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-034.xht
index dccb661fb356..f084c3f98748 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-034.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-034.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-035.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-035.xht
index b7f3e66b670c..231e72d750bf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-035.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-035.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-036.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-036.xht
index be0555984f2b..40f63bd55ad7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-036.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-036.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-037.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-037.xht
index ac7886616bb1..43c90531acfd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-037.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-037.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-038.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-038.xht
index 420084018abb..c59ff2ba5444 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-038.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-038.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-039.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-039.xht
index 11e48e39baea..c9a018f47f10 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-039.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-039.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-040.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-040.xht
index 15757f037b6c..99c169eed60a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-040.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-045.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-045.xht
index 97111604b57c..ff4861469ebb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-045.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-045.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-046.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-046.xht
index ceef3f1912f1..93c3759dfa55 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-046.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-046.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-047.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-047.xht
index e5ce7e0b5d70..dea26a62cbc1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-047.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-047.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-048.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-048.xht
index a3e90d7d04e9..4df02a6e4a6d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-048.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-048.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-049.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-049.xht
index ed6380f2e039..3fafac009476 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-049.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-049.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-050.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-050.xht
index bdb9307a7660..6c67af3b4dd5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-050.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-050.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-051.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-051.xht
index 403d6c19f90e..8cf9c4cdd972 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-051.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-051.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-056.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-056.xht
index 13720eaefb0b..d46eaa24cbf0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-056.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-057.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-057.xht
index d400bd7d6f5a..d8732f7d2ea4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-057.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-057.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-058.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-058.xht
index 8ed5fce2c5f0..4421e233f7c5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-058.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-058.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-059.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-059.xht
index 1d76295a2541..507e46865d45 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-059.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-059.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-060.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-060.xht
index af36b5c66366..302d820feeba 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-060.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-060.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-061.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-061.xht
index eceb59bf9cf2..a50d02039727 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-061.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-061.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-062.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-062.xht
index 373102bfd96a..c3e06ef95206 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-062.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-062.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-067.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-067.xht
index eaadae235755..22a5071e80b7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-067.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-068.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-068.xht
index 331a56b0c01f..f475980c84e1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-068.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-069.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-069.xht
index 7c420a03cc7d..317c107d1782 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-069.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-070.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-070.xht
index 1f8015c1f24f..119cd8cc9927 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-070.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-071.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-071.xht
index bfbd8e10178b..4ee26475db21 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-071.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-072.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-072.xht
index ea1820b8943c..2cd105fde367 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-072.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-073.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-073.xht
index 205b3f3c6026..90d1a9949c6b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-073.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-078.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-078.xht
index 02df7c6380bf..acbdf6e029c2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-078.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-079.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-079.xht
index 1419e590e60e..59f985f3d1c9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-079.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-080.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-080.xht
index daca42f171d2..b2df826884be 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-080.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-081.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-081.xht
index d9ed59c80b8f..b065789e7778 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-081.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-082.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-082.xht
index 5efd5fb03a51..4dd0eaf8becb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-082.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-083.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-083.xht
index 7d64d02e7098..2736285a0960 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-083.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-084.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-084.xht
index 504a0efee48f..7d4cab2a4d07 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-084.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-089.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-089.xht
index 8d37b38da344..cbb88b100bf3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-089.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-090.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-090.xht
index 76e13d04c50c..b1a176a3f205 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-090.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-091.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-091.xht
index 1751f5a4564d..53821feb84f9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-091.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="96dpi ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-092.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-092.xht
index 36f05307d0b0..ba66d29d9428 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-092.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-093.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-093.xht
index 7f05465962f4..9d1f3c96fa1d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-093.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-093.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-094.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-094.xht
index 642c7263bd63..5879c9581896 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-094.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-094.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-095.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-095.xht
index 5b785e1bcd29..592d32730298 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-095.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-095.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-100.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-100.xht
index 9ef471212426..821c37d59e4b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-100.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-100.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem invalid should" />
         <meta name="assert" content="The 'line-height' property sets a minimum minus one number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-101.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-101.xht
index 39363e530360..1fe198f1a188 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-101.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-101.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-102.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-102.xht
index 8df5bc040c58..d4426b8024cd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-102.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-102.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a minimum plus one number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-103.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-103.xht
index 8358b9df8416..ec45d0f7dafc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-103.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-103.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a negative zero number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-104.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-104.xht
index 0b6a163e42f2..4801ca2a95a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-104.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-104.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive zero number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-105.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-105.xht
index c716c97091e5..848595dba0c6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-105.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-105.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a nominal number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-106.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-106.xht
index d335300ab9aa..b2bc9e771642 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-106.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-106.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property sets a positive nominal number value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-111.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-111.xht
index 132c398d4e98..9c0017bb640a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-111.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-111.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem should" />
         <meta name="assert" content="The 'line-height' property set to 'normal' uses the default line-height." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-112.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-112.xht
index 47ce0a6bbf44..6460895667d8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-112.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-112.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'line-height' property set to 'inherit' uses the default line-height." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-121.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-121.xht
index 711b98b18c68..38cc70884117 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-121.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-121.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { background: red; height: 1.25em; width: 7.5em; }
    .test { font: 2.5em/0 Ahem; background: green; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-127.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-127.xht
index 11d9a397e379..3b75153036d6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-127.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-127.xht
@@ -9,6 +9,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    table { font: 10em/1 Ahem; border-spacing: 0; }
    td { padding: 0; background: red; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-128.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-128.xht
index 7be3fea258ce..8d6c34dc44db 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-128.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-128.xht
@@ -10,6 +10,7 @@
 
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div { background: red; color: green; border: 1em solid; float: left; font: 3.75em/1 Ahem; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-bleed-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-bleed-002.xht
index ca945fc36d3b..9c69a86734a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-bleed-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-bleed-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="That glyphs bleed out of the box when 'line-height' can overlap adjoining line boxes." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-normal-recommendation-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-normal-recommendation-001.xht
index 66509a7c85a3..9d5103ce87d4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-normal-recommendation-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/line-height-normal-recommendation-001.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem should" />
         <meta name="assert" content="It is recommended that the 'normal' value for 'line-height' is set to 1.0 or 1.2 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-004.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-004.xht
index 2f0db77a0596..0c5240cc8d18 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-004.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-005.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-005.xht
index 055edde05708..0f300578daa4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-005.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-006.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-006.xht
index eb602372d813..bd2f40b9ed1e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-006.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-007.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-007.xht
index 1efe6e277887..282f11c3c40a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-007.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-008.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-008.xht
index 91f0dcd88357..27acf9251926 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-008.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-016.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-016.xht
index 0786dc11bf1f..d8d5a26b07e2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-016.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-017.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-017.xht
index ac8e8d009c4f..a6cb9d57d437 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-017.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-018.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-018.xht
index 59cd76388aab..ea9202407487 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-018.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-019.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-019.xht
index 659277bc82dd..1391a88a4cf7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-019.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-020.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-020.xht
index e83b15e645f7..e4f8d8515069 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-020.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-028.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-028.xht
index e0f3f30439b1..eb1581297105 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-028.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-029.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-029.xht
index 0eb7d3f253e5..8dcadd3faf04 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-029.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-030.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-030.xht
index ac4a4252c6d1..71fd6122e1a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-030.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-030.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-031.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-031.xht
index 065ab6a7517c..e6e50bcdc51d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-031.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-031.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-032.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-032.xht
index 6796ad304d7d..6f589064fe42 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-032.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-032.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-040.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-040.xht
index 665b2a852ec5..03e333e35710 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-040.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-041.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-041.xht
index 162955c30ed7..f5ffb8646ff9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-041.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-041.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-042.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-042.xht
index 7ff11d91bd0b..701c8d5c9e51 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-042.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-042.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-043.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-043.xht
index 1d1146ba6741..9753da54427a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-043.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-043.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-044.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-044.xht
index 8c5d6eb85693..608a6ec88ff0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-044.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-044.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-052.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-052.xht
index 7d25e77bbb95..a0efd41f3ecd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-052.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-052.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-053.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-053.xht
index d89605624979..e061a83bfd24 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-053.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-053.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-054.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-054.xht
index 486f0e4d9c13..0e33ce13dd2e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-054.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-054.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-055.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-055.xht
index b45c74c030b9..4a9d06c6031b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-055.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-055.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-056.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-056.xht
index b910002bf3cc..d47d51561011 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-056.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-064.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-064.xht
index 014e6176b627..e0cfc059ab06 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-064.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-064.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-065.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-065.xht
index e02d366c36fa..8103243f21c2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-065.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-065.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-066.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-066.xht
index 1d052b8a50b6..4a208131a83a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-066.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-066.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-067.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-067.xht
index d1ae9c201d13..ad701d529995 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-067.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-068.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-068.xht
index 34fca2e08f51..81554acd366c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-068.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-076.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-076.xht
index 00b8911de6fc..c3e6dd83b34f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-076.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-076.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-077.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-077.xht
index 75f3ad0288a4..2169b9a0de25 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-077.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-077.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-078.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-078.xht
index 7b50eff3cabe..75ea2be7c868 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-078.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-079.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-079.xht
index 2a4012883227..beb0291a259a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-079.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-080.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-080.xht
index b1ccda61e244..c293843ae434 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-080.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-088.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-088.xht
index 9e569ddda34f..ab1695203e11 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-088.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-089.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-089.xht
index f4be5d0c0817..662a15cac766 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-089.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-090.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-090.xht
index acf5e42c7184..1182dde9aedb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-090.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-091.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-091.xht
index b216c4ed23c6..f7a22b452d77 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-091.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-092.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-092.xht
index f24bda71d73c..5cf4b9023b96 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-092.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-100.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-100.xht
index a273de208455..b66e5d336eea 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-100.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-100.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-101.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-101.xht
index 629b4a14a823..61b2541bade3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-101.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-101.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-102.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-102.xht
index d4fec6b6f534..fd1eb42aca4a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-102.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-102.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-103.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-103.xht
index eb3ea317c258..665f03477a2f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-103.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-103.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a nominal length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-104.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-104.xht
index 7169a3fd8c44..5cd2dabe2eaf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-104.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-104.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive nominal length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-109.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-109.xht
index 95dff6fd49f6..d43e3c7b40b5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-109.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-109.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a negative zero length value with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-110.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-110.xht
index 9e7eeebd8d2b..de19a1b6ce19 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-110.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-110.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a zero length value  with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-111.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-111.xht
index ecfe3940fd3e..076ff5621ceb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-111.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-111.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets a positive zero length value  with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-112.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-112.xht
index 1c02bba2290b..296f030c192f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-112.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-112.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'baseline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-113.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-113.xht
index 57bd9e3cbfc3..798d641f003d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-113.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-113.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'bottom'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-114.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-114.xht
index a14312f8eed0..35f33a2fe867 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-114.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-114.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'middle'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-115.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-115.xht
index 19698f60d53b..06d31ff0c954 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-115.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-115.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'sub'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-116.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-116.xht
index 20d657f7e6af..866858d74c7a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-116.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-116.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'super'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117.xht
index dea1d569ca1d..ef380d89a20e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'text-bottom'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117a.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117a.xht
index aad0f302bebc..ee85840bb8a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117a.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-117a.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="For inline non-replaced elements (such as the span element in this testcase), the box used for vertical-alignment is the box whose height is the 'line-height' (containing the box's glyphs and the half-leading on each side). 'vertical-align: text-bottom' will align the bottom of such box with the bottom of the parent's content area and not with the bottom of the parent's box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118.xht
index dcb9d6e3a1b1..6bab25f911d1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'text-top'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118a.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118a.xht
index 076b28a7e392..9598cbdd3c9f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118a.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-118a.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="For inline non-replaced elements (such as the span element in this testcase), the box used for vertical-alignment is the box whose height is the 'line-height' (containing the box's glyphs and the half-leading on each side). 'vertical-align: text-top' will align the top of such box with the top of the parent's content area and not with the bottom of the parent's box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-119.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-119.xht
index 18b262bf6c82..26c3758f6212 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-119.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-119.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'top'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-120.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-120.xht
index bbd7e8a76fb0..dd01dfb76a1c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-120.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-120.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property sets the keyword 'inherit' and inherits the computed value from the parent element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121-ref.xht
index ae177f56fab7..c0db9e0e8bbc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#table
     {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121.xht
index 02b70b3108f9..eac216efdffb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-121.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="vertical-align-121-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div { color: navy; text-align: center; width: 6em; font: 30px/1 Ahem; }
    span { font-size: 2em; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-001.xht
index be529efe2043..fca1480f7367 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-001.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-row-group'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-002.xht
index 05c2995f8e22..44eda65ed813 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-002.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-header-group'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-003.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-003.xht
index 3ec3792568ab..9ccd4e0ae2dc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-003.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-footer-group'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-004.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-004.xht
index 137ac9b4936e..f526a704d30f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-004.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-row'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-005.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-005.xht
index c9632154633c..624517ae3c81 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-005.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-column-group'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-006.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-006.xht
index 1c1c6a907381..a5aacec7d549 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-006.xht
@@ -11,6 +11,7 @@
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-column'." />
         <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/table/003.html"/>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-007.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-007.xht
index 32bee070c5c3..b328b514de6b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-007.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property applies to elements with 'display' set to 'table-cell'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-008.xht
index 55ad553f088f..d9d9176a2ddf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-008.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property applies to elements with 'display' set to 'inline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-009.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-009.xht
index 4e92cc43d819..0270f4119bd5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-009.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'block'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-010.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-010.xht
index 1b49fa6f947d..7240970c2648 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-010.xht
@@ -8,6 +8,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'list-item'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-012.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-012.xht
index c4a377877b2a..2cc4f8a01f62 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-012.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'inline-block'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-013.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-013.xht
index d49be6b4fc12..a618891b7270 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-013.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-014.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-014.xht
index b1a5ac65ec9f..bec0080b2e75 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-014.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'inline-table'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-015.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-015.xht
index 73c0d5b05acc..68f7c0705f1f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-applies-to-015.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property does not apply to elements with 'display' set to 'table-caption'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001-ref.xht
index 5e4bcbf32f63..5b3d04d5330e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001.xht
index b9a06e83414b..916d649e8a88 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-001.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property set to '0%' means the same as the 'baseline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-002.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-002.xht
index bd29757c159e..69c380bdd70e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-002.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property set to '0' means the same as the 'baseline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004.xht
index b2c88be58e9f..454aa6218b70 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004.xht
@@ -8,6 +8,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property aligns an empty 'inline-block' elements' bottom margin edge with the baseline." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004a.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004a.xht
index 27543522a974..dbb83cf965a1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004a.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-004a.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="The baseline of an 'inline-block' that has no in-flow line boxes is at its bottom margin edge. The bottom margin edge of an 'inline-block' that has no inflow line boxes will 'sit' on the baseline, will be located on the baseline of such 'inline-block'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005.xht
index 126b0fa07c4b..511c53712491 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'vertical-align' property aligns an 'inline-block' elements' bottom margin edge with the baseline when 'overflow' is not set to 'visible'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005a.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005a.xht
index 4bde081b4b48..e2983d5b8e7c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005a.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-baseline-005a.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="The baseline of an 'inline-block' whose 'overflow' property has a computed value other than 'visible' is located at its bottom margin edge." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-boxes-001.xht b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-boxes-001.xht
index 6d1d7411b8ef..3534f496514e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-boxes-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/linebox/vertical-align-boxes-001.xht
@@ -7,6 +7,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#line-height"/>
   <meta name="flags" content="ahem image"/>
   <meta name="assert" content="Vertical alignment aligns the margin box of inline replaced elements."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
     .test {
         height: 2em;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-formatting-contexts-004.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-formatting-contexts-004.xht
index c30eee92d0fb..3532c55bb0ab 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-formatting-contexts-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-formatting-contexts-004.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="Margins collapse between adjacent block boxes in a block formatting context." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-005.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-005.xht
index f329a5bfb8d5..274669a6a88a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-005.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' is the distance from the topmost to the bottommost line box when a block-level non-replaced element is in normal flow and 'overflow' computes to 'visible'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-006.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-006.xht
index 4def708ad297..ad33cd950c96 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-height-006.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#normal-block" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' is the distance from the topmost to the bottommost line box when a block-level non-replaced element is in normal flow and 'overflow' does not compute to 'visible'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             html, body
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007-ref.xht
index 35ac9170aa75..ad356fdbb12d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007.xht
index c627bcd6bdcd..7c11940645fd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-non-replaced-width-007.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'margin-left' and 'margin-right' are set to 'auto' and the element has a 'width', then the box will be centered within the edges of its containing block." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-001.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-001.xht
index 6115741042fb..4346a5f527c6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#block-replaced-width" />
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="Computed value of 'auto' for 'margin-left' or margin-right' on block replaced elements becomes a used value of '0'. The intrinsic width is also used if 'height' and 'width' are 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-002-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-002-ref.xht
index 7915842f0e01..cd6d7f2d1f17 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-002-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006-ref.xht
index 8050434c043e..719ccdc42f0a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006.xht
index 44311ef6c508..049fa7993501 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/block-replaced-width-006.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem image" />
         <meta name="assert" content="Percentage intrinsic widths are evaluated against the containing block's width." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-017.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-017.xht
index 22bc3fcf2f35..f6819f372b84 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-017.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
    div {
      border: solid blue;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-020.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-020.xht
index 2eabe32791ca..d6b635e01886 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-020.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="blocks-020-ref.xht" />
 
   <meta name="flags" content="ahem"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .outer { position: relative; width: 300px; height: 100px; background: red; }
    .inner { width: 200%; height: 200%; font: 100px/1 Ahem; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-021.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-021.xht
index 14124f02211f..e122cd86fb30 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-021.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-021.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="blocks-020-ref.xht" />
 
   <meta name="flags" content="ahem"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .outer { position: absolute; width: 300px; height: 100px; background: red; }
    .inner { width: 200%; height: 200%; font: 100px/1 Ahem; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-022.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-022.xht
index 6acbb8b0be9c..4d29624feb4a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-022.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/blocks-022.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="blocks-020-ref.xht" />
 
   <meta name="flags" content="ahem"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .outer { position: static; width: 300px; height: 100px; background: red; }
    .inner { width: 200%; height: 200%; font: 100px/1 Ahem; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067-ref.xht
index 3a8b8ee15b35..35b9fc6c5040 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div {font: 20px/1 Ahem;}
   ]]></style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067.xht
index 1b88440ab32d..2c276379a45c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'height' property sets a minimum minus one length value in 'em' units is invalid and resets its value to 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-068.xht
index b0a36a553ca5..4e06c3d85c52 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-069.xht
index 1b97c5fc94d0..5ca87865e646 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-070.xht
index a2060898210b..721e7b3abf44 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-071.xht
index f67a2659997b..11777e1432a5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-072.xht
index 8c2fcdf86d87..add8a800fff2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-073.xht
index fe4f5c175ad9..df8ae287b0cd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-078.xht
index 258646796856..eec2c5f89a69 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'height' property sets a minimum minus one length value in 'ex' units is invalid and resets its value to 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-079.xht
index ee8dc4f1e045..7ec17f8e2bc3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-080.xht
index ddccb3171747..10a46239e869 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-081.xht
index 3484656108bd..7bf154083521 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-082.xht
index 254de526a53b..84efec108b27 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-083.xht
index 5911712a100f..42d705441cc9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-084.xht
index 55f3fcf82eba..23e80c73c175 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/height-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-001.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-001.xht
index 84ca8a2b3c6f..a7a14c93c478 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-001.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="If 'width' is 'auto' then 'inline-block' elements shrink-to-fit." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-002.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-002.xht
index 6ac9242a889e..20b36c9d8310 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'margin-left' and 'margin-right' are set to 'auto' the used value becomes '0'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-003.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-003.xht
index 6eded24f440f..eb24c6ff46d8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-003.xht
@@ -14,6 +14,7 @@
   <meta content="If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-004.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-004.xht
index 6e6088367a0c..4f105a662aba 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-block-non-replaced-width-004.xht
@@ -14,6 +14,7 @@
   <meta content="If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto' but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-002.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-002.xht
index f9eefdc7cda1..e3568f555d51 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The padding starts at the top and bottom of the content area not the 'line-height'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-003.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-003.xht
index 9863eaf85a12..4fc0a9d3d29a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-height-003.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The border starts at the top and bottom of the content area not the 'line-height'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-001.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-001.xht
index 02174a864257..30cfbfb8486d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-001.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Computed value of 'auto' for 'left', 'right', and 'margin-left' becomes a used value of '0'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-002.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-002.xht
index fed00b8ad51e..375e22fe0905 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inline-non-replaced-width-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Computed value of 'auto' for 'left', 'right', and 'margin-right' becomes a used value of '0'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-009.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-009.xht
index 2e797a0c18d7..85728f7958f0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-009.xht
@@ -10,6 +10,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#line-height"/>
   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#inline-formatting"/>
   <meta name="flags" content="ahem image"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
    div, table, tr, td { margin: 0; border: 0; padding: 0; border-spacing: 0; line-height: 1.3; }
    .test > * { border: solid blue; font: 20px/1.3 Ahem; float: left; color: gray;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-010.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-010.xht
index 313d9758ac2e..365ad6226d78 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-010.xht
@@ -10,6 +10,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#line-height"/>
   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#inline-formatting"/>
   <meta name="flags" content="ahem image"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div, table, tr, td, img { margin: 0; border: 0; padding: 0; border-spacing: 0; }
    .test > * { border: solid thick blue; font: 20px Ahem; float: left; color: gray;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-016.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-016.xht
index b61f6ce4b861..28c825a92f3e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-016.xht
@@ -12,6 +12,7 @@
   <meta name="flags" content="ahem"/>
   <meta name="assert" content="If a space (U+0020) at the beginning of a line
     has 'white-space' set to 'normal', then it is removed, even if there's padding."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div { width: 4em; background: teal; color: aqua; margin: 1em; font: 2.5em/1 Ahem; }
    .test span { padding-left: 1em; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-017.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-017.xht
index 6ba8719080f0..e457c589b49c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/inlines-017.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem"/>
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div {font: 1.25em/1 Ahem; width: 10em;}
    span { color: teal; border-left: 1em teal solid; padding-left: 1em; line-height: 2; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-067.xht
index e0ac2b3683e3..6cb3055fc266 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'max-height' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-068.xht
index b4aaf51e7e14..461ceca75e69 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-069.xht
index b3c6761850a5..3679994de4b1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
         div {font: 20px/1 Ahem;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-070.xht
index 02e27a02a6ef..c80e5537fc57 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-071.xht
index f23ffc2a6f21..1e1f3286f4c0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-072.xht
index 6e864968cacc..afbd71d3d3ac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-073.xht
index bc48e2b49754..e376a7c042f3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-078.xht
index 527f5da65571..5e4d901710aa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'max-height' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-079.xht
index 9f8cd6aae1da..341818aecdc7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-080.xht
index 60cfaabd73d8..8d1b087a0246 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
         div {font: 20px/1 Ahem;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-081.xht
index 3f03eeeeff78..07e4112ce069 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-082.xht
index ad5116ba3346..832e3b2dc62f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-083.xht
index e7d7a42ebf08..dbd0b77a4ef9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-084.xht
index e08f886012df..4689363816e1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-106.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-106.xht
index 5abfbf05b27a..cee45a676312 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-106.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-106.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="" name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-107.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-107.xht
index 8decfdf32017..c62d236d2807 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-107.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-107.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Any space taken up by the scrollbars should be taken out of (subtracted from the dimensions of) the containing block formed by the element with the scrollbars." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-108.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-108.xht
index de534baebbe2..523eb25d4776 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-108.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-108.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="The max-height property can restrain the used value of height when the used value of height is greater than the declared max-height and not when it is less than the declared max-height and not when it does not exceed the declared max-height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#red-parent
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-109.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-109.xht
index f4cc218614a8..5209dd13380c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-109.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-109.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="The 'max-height' property can restrain the used value of height when the used value of height is greater than the declared max-height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#red-parent
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-110.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-110.xht
index b3d8d172ccee..d2f39353213a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-110.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-110.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Any space taken up by the scrollbars should be taken out of (subtracted from the dimensions of) the containing block formed by the element with the scrollbars." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-111.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-111.xht
index 52af5a5ba9db..42a0d8681e90 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-111.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-111.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="The content of the #test-red-overlapped generates an active horizontal scrollbar. The height of such horizontal scrollbar adds itself to the content making it exceed the max-height constraint of 200px. Therefore, such vertical space taken by the horizontal scrollbar must be substracted from the height of the content. An active vertical scrollbar then must be generated to provide access to the equivalent of the height of the horizontal scrollbar." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-applies-to-008.xht
index 56b6320b6194..77aa90490566 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-applies-to-008.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-height' property does not apply to elements with 'display' set to 'inline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-max-width-001.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-max-width-001.xht
index 389b9365a4fc..f609c4b0d052 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-max-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-height-max-width-001.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Space taken up by the horizontal and vertical scrollbars should be taken out of (subtracted from the dimensions of) the containing block formed by the element with the scrollbars. In this test, assuming that the width of vertical scrollbar is 19px and assuming that the height of horizontal scrollbar is 19px, then the dimensions of the painted green area should be 181px by 181px. The height of horizontal scrollbar and the width of vertical scrollbar are entirely user-settable in most graphical user agents." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-067.xht
index ccb69789d9dd..601b65a19e87 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'max-width' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-068.xht
index fce7c939cdf8..21a65d3f57e2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-069.xht
index ce40caa20f04..e2f376db233d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-070.xht
index 62fbc2bf5171..db41729faad4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-071.xht
index d4e2f38e5604..9da8bd7c9b6f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-072.xht
index 04cd0cd98836..c9bb607c5798 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-073.xht
index 2f3df10b9921..7f9115406c33 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-078.xht
index f94e2c1c0926..ee41c29f7f99 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'max-width' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-079.xht
index 77b9a8ce0380..5a136a4c609c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-080.xht
index 10af7e12e642..64d8e6af7aa9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-081.xht
index 2638f3e45544..cde91f00c080 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-082.xht
index 88ebc0145b24..76bbe2ec754f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-083.xht
index 1ef583033f38..dae6af62c84c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-084.xht
index 2958d00fc9fc..d1f644738ee8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-105.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-105.xht
index 58546998f09b..623f03f4235c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-105.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-105.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="'max-width' specifies a fixed maximum used width. If the used width is greater than max-width, then the computed value of max-width is used as the computed value for width." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-106.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-106.xht
index 160cadeac8dc..7136b414feaf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-106.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-106.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta name="assert" content="'max-width' specifies a fixed maximum used width. If the used width is greater than max-width, then the computed value of max-width is used as the computed value for width. A floated box should not become wider than its declared max-width." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-108.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-108.xht
index 88210e4ec6e4..f9f71319c1a2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-108.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-108.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta name="assert" content="'max-width' specifies a fixed maximum used width. If the used width is greater than max-width, then the computed value of max-width is used as the computed value for width." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-applies-to-008.xht
index d0e86ccc53ce..062d4a6806a6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/max-width-applies-to-008.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'max-width' property does not apply to elements with 'display' set to 'inline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-067.xht
index 369a69957047..52d4c9b72db5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'min-height' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-068.xht
index c719f2685ede..1be63b795e99 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-069.xht
index fe8116682d91..8c1b903b023b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-070.xht
index 2d4064ac8a28..8cd73ce30c71 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-071.xht
index 3d438cad5d3c..0ceb5178a060 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-072.xht
index cf6ae2078d02..9bdc9f508301 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-073.xht
index 7cdef3eb9d58..6e2d95972f30 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-078.xht
index 615f5bad330e..407cf40fd149 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'min-height' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-079.xht
index 13b104c835ac..5776316f1ee8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-080.xht
index c95e05c61fea..8171933ecbcc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-081.xht
index bc4940d83eca..b7963f7e7d32 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-082.xht
index 5224cefd27ab..56dae38cc4c8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-083.xht
index eed1d616a035..454c971b54dd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-084.xht
index 0957f660aeed..a0fb7f6fea3e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-104.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-104.xht
index ca8a21ad84ad..85c7811ad31e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-104.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-104.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta name="assert" content="Any space taken up by the scrollbars should be taken out of (subtracted from the dimensions of) the containing block formed by the element with the scrollbars." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-105.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-105.xht
index 483369c105cd..0d762aecae72 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-105.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-105.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="Any space taken up by the scrollbars should be taken out of (subtracted from the dimensions of) the containing block formed by the element with the scrollbars." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-red-overlapped
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-106.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-106.xht
index 86f410de03c8..5bf011a08711 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-106.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-106.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="'min-height' specifies a fixed minimum used height. If the element requires an horizontal scrollbar, then the horizontal scrollbar height should be subtracted from the height of its containing block so that the resulting used height continues to honor the declared min-height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-applies-to-008.xht
index bfb9cde6e0e3..b0ecf9a6596c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-height-applies-to-008.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-height' property does not apply to elements with 'display' set to 'inline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-067.xht
index b7d5e3bafada..7a7d7df456f1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'min-width' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-068.xht
index 64cf73737441..8fbd206d7dda 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-069.xht
index 3f6c98b83a66..90b35a58e658 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-070.xht
index 39a60e23b710..465ac831acae 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-071.xht
index ba4135f30694..98a9ae71a6ce 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-072.xht
index cb8c55eef1a2..8652c80a1564 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-073.xht
index f816e7696777..5e4ba59147f0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-078.xht
index 4fac92a03ff8..d46e9637c396 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'min-width' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-079.xht
index 2b70dc60a72f..a0ac5f5a0d7c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-080.xht
index 2dd7bc5a748b..2611b9ba568d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-081.xht
index 6e80b1f04cd7..af7528996206 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-082.xht
index e45ae711eec8..e0ab54c60576 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-083.xht
index 918bd3416014..6db4c8637d37 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-084.xht
index f70c4f1f88e8..b1a5afdfe4d4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'min-width' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-applies-to-008.xht
index 0d642700e3bb..ec7d48cd9248 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/min-width-applies-to-008.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="" />
         <meta name="assert" content="The 'min-width' property does not apply to elements with 'display' set to 'inline'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-067.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-067.xht
index 3c8b64a18ae2..4f20df1e11b8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-067.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'width' property sets a minimum minus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-068.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-068.xht
index 72d3e3d1bd7b..5b1f7996ca3c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-068.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a minimum length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-069.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-069.xht
index 13fded533371..d29b1f3eceb1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-069.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-069.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a minimum plus one length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-070.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-070.xht
index e3796cdb0057..42e554e8cd9d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-070.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-070.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-071.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-071.xht
index 4d11bfc94eb5..9577a48ef8b3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-071.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-071.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-072.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-072.xht
index b62d07704972..08ce84318cfb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-072.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-072.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-073.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-073.xht
index d2cb1d93b809..a7d881aed9bb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-073.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-073.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-078.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-078.xht
index 9d83072f7d09..353a3313a8ab 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-078.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem invalid" />
         <meta name="assert" content="The 'width' property sets a minimum minus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-079.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-079.xht
index e1de0ddfb9c2..d7ddc2193d05 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a minimum length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-080.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-080.xht
index 2f1fc50d7a0a..cfb5b1fa9b7d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a minimum plus one length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-081.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-081.xht
index df4e9cbc26a9..18f084cd5c97 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-081.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-081.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-082.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-082.xht
index fdf718aa464b..df9ce59284b3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-082.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-082.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-083.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-083.xht
index 3b93205528f6..4619538b1f15 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-083.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-083.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-084.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-084.xht
index 0d62df4f2581..030838ff359a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-084.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-084.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'width' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-undefined-001.xht b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-undefined-001.xht
index 89428fbaf0e0..10911d8a4ab6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-undefined-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/normal-flow/width-undefined-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-width-property" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The containing block's width depends on this element's width because the resulting layout has not been defined in CSS2.1." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #span1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-002.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-002.xht
index 0a9f3f4cda8e..d9976fa84184 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="If 'top', 'height', 'bottom', 'margin-top' and 'margin-bottom' are all auto, then set 'top' to the static position, then the height is based on the content, then 'margin-top' and 'margin-bottom' are set to 0 and then solve for 'bottom'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-007.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-007.xht
index f87503ffee1b..7403f50e5011 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-007.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Verify that height is based on the overall height of the content, 'margin-top' and 'margin-bottom' when set to 'auto' are solved to '0' and solve for 'top', when 'top' and 'height' are both 'auto' and 'bottom' is not 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-009.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-009.xht
index da74b1ae2a8a..0fd5ac83e87e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-height-009.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' is based on the content height, 'auto' values for 'margin-top' and 'margin-bottom' are set to '0' when 'height' and 'bottom' are 'auto' and 'top' is not 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-002.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-002.xht
index 1ca12d8a05ef..7637068a9c4a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'top', 'height', and 'bottom' of an absolutely positioned element are 'auto', then set 'top' to the static position and make 'height' based on the content; such height may be constrained by a given 'max-height' value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-007.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-007.xht
index a5c12a046c34..71f3861086e7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-007.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The height is based on the overall height of the content, 'margin-top', 'auto' is set to '0' and solve for 'top', when 'top' and 'height' are both 'auto' and 'bottom' is not 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-009.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-009.xht
index ecab287c157c..47e601142706 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-max-height-009.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'height' is based on the content height, 'auto' values for 'margin-top' and 'margin-bottom' are set to '0' when 'height' and 'bottom' are 'auto' and 'top' is not 'auto'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-001.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-001.xht
index 4397b0de2b92..6d2b8a33a0db 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-001.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is left-to-right and 'left', 'width' and 'right' are 'auto', the width becomes shrink-to-fit and then solve for 'right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-002.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-002.xht
index cdd790384cb7..621d4a1b672f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is right-to-left and 'left', 'width' and 'right' are 'auto', then set 'right' to the static position, then width becomes shrink-to-fit and then solve for 'left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-003.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-003.xht
index e1714ca262a1..587eaa4601c4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-003.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'left', 'width' and 'right' are not 'auto', set 'margin-left' and 'margin-right' to equal values." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #containingblock
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht
index 50a0b436140a..2f2b90708e8b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-004.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is 'ltr' and 'left', 'width' and 'right' are not 'auto', solve for 'margin-right' and 'margin-left' to equal values. If this would make 'margin-left' and 'margin-right' negative, then set 'margin-left' to zero and solve for 'margin-right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-005.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-005.xht
index 2a63a484f074..d2d3ca9d06d4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-005.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is 'rtl' and 'left', 'width' and 'right' are not 'auto', solve for 'margin-right' and 'margin-left' to equal values. If this would make 'margin-left' and 'margin-right' negative, then set 'margin-right' to zero and solve for 'margin-left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-006.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-006.xht
index 72b097f4209c..e1033fff6808 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-006.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is left-to-right and 'left', 'width', 'margin-left' and 'right' are not 'auto', solve for 'margin-right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-007.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-007.xht
index dfa7d4e82887..db1678b147bb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-007.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When direction is right-to-left and 'left', 'width', 'margin-right' and 'right' are not 'auto', solve for 'margin-left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-008.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-008.xht
index 705356b80e4c..e5baff3022aa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-008.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="If 'left', 'width', 'right' and 'margin-right' are all not 'auto' and 'margin-left' is 'auto', then solve the equation for 'margin-left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #containingblock
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-009.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-009.xht
index a550f9893601..5299d35e651f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-009.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="If 'left', 'width', 'right' and 'margin-left' are all not 'auto' and 'margin-right' is 'auto', then solve the equation for 'margin-right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #containingblock
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-010.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-010.xht
index 475d88bcb5a4..29d9ad60cf7b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-010.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width is shrink-to-fit and then solve for 'left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-011.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-011.xht
index 2b9e509d3bea..3370fb6d8096 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-011.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'direction' is left-to-right and 'left' and 'right' are 'auto' and 'width' is not 'auto', solve for 'right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-012.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-012.xht
index 18381d0dda78..fd125e73f05d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-012.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'direction' is right-to-left and 'left' and 'right' are 'auto' and 'width' is not 'auto', solve for 'left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-013.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-013.xht
index 7b822a7a1357..288c36569f4b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-013.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'right' and 'width' are 'auto' and 'left' is not 'auto', then the width is shrink-to-fit and then solve for 'right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-014.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-014.xht
index d835943803c0..da223eb8d73e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-014.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="When 'left' is 'auto' and 'width' and 'right' are not 'auto', then solve for 'left'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-016.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-016.xht
index 5f28efc5bb81..5fccaf248d90 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-016.xht
@@ -9,6 +9,7 @@
 
 		<meta name="flags" content="ahem" />
         <meta name="assert" content="When 'right' is 'auto' and 'width' and 'left' are not 'auto', then solve for 'right'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-017.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-017.xht
index 7eb442d6fecf..3b12169cb0d1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-017.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is left-to-right and 'left' is set to static position and 'width' and 'right' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-018.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-018.xht
index b91777a6619d..ed9fa5673a95 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-018.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is left-to-right and 'left' is set to static position and 'width' and 'right' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to shrink-to-fit width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-019.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-019.xht
index 5f99a8fd1cb7..c4511786e80a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-019.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is left-to-right and 'left' is set to static position and 'width' and 'right' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an floating, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-020.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-020.xht
index badbfd2bcb42..7c983e528d21 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-020.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is left-to-right and 'left' is set to static position and 'width' and 'right' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an floating, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-021.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-021.xht
index 7f08c33bb323..47f587f72d8c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-021.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-021.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is right-to-left and 'right' is set to static position and 'width' and 'left' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-022.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-022.xht
index 5001fa4e822e..7994d698ac2d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-022.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-022.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is right-to-left and 'right' is set to static position and 'width' and 'left' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of an inline-block, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-023.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-023.xht
index d7f0381f99da..bfd462a9b703 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-023.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-023.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is right-to-left and 'right' is set to static position and 'width' and 'left' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an floating, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-024.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-024.xht
index eb491782f375..756041f5ceab 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-024.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/absolute-non-replaced-width-024.xht
@@ -15,6 +15,7 @@
   <meta content="When direction is right-to-left and 'right' is set to static position and 'width' and 'left' are 'auto', then the used value of 'width' is given by 'shrink-to-fit' width calculation. If 'width' of an floating, non-replaced element in normal flow computes to 'auto', then the used value of 'width' is also given by 'shrink-to-fit' width calculation. If 'width' of a floating, non-replaced element in normal flow is given by 'shrink-to-fit' width calculation, then such calculated width can be furthermore constrained, reduced by a max-width declaration. If width of an absolutely positioned, non-replaced element resorts to 'shrink-to-fit' width calculation but its own child uses a constrained length resulting from a max-width declaration, then such constrained length will define the preferred width in 'shrink-to-fit' width calculation." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007-ref.xht
index 7f80605dbc8d..742ef0cbe1eb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007-ref.xht
@@ -2,6 +2,7 @@
 <html lang="en" xmlns="http://www.w3.org/1999/xhtml">
  <head>
   <title>reference for abspos-inline-007</title>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .block-container {
     font: 20px Ahem;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007.xht
index 7e5880b10637..35fd245dd102 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/abspos-inline-007.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Aleks Totic" href="mailto:atotic@chromium.org"/>
   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#comp-abspos" />
   <link rel="match" href="abspos-inline-007-ref.xht" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .block-container {
     position: relative;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-079.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-079.xht
index 18e164d15804..3ded789f711a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-080.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-080.xht
index 2c3f30291d95..7edb44d1404e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-088.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-088.xht
index 19112b38f43a..86380f75e838 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-088.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-089.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-089.xht
index 5bb9a5c3cad0..7bb2c3c580a5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-089.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-090.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-090.xht
index a5cfd7a8a62e..4fa738ea7b6f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-090.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-091.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-091.xht
index 67ec6fc0e80f..61d08dcbc2d8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-091.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-092.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-092.xht
index 58f9123dc626..e2ad2d83efca 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/bottom-092.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'bottom' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-079.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-079.xht
index b09a8c7ebeb7..f37cc3229069 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-080.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-080.xht
index 3422b89308f2..b88389e7ff7e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-088.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-088.xht
index 65f6eb071458..7364c57fdffa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-088.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-089.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-089.xht
index 5dd6a383fc04..30d440ea6ec6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-089.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-090.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-090.xht
index 8041d2f0b962..a0377e693084 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-090.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-091.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-091.xht
index 99413577ee98..076cfb254491 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-091.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-092.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-092.xht
index 30ba6443ea42..012ef26eb0e2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-092.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-applies-to-008.xht
index e8a8c109d874..c6721520e155 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/left-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/left-applies-to-008.xht
@@ -9,6 +9,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'left' property applies to elements with a display of inline." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033-ref.xht
index e46c1df27fb0..5915458523a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   span {font: 20px/1 Ahem;}
 
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033.xht
index 17afb3b5dd0c..23ac5fc3a127 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/position-relative-033.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="Offsetting a box with relative positioning has no effect on the boxes which follow and boxes may overlap." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-079.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-079.xht
index 57e7499ceb57..f8c889f3d624 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-080.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-080.xht
index 28777053d75a..4ca68803624e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-088.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-088.xht
index 70e4d936810d..91afec1ea955 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-088.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-089.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-089.xht
index 850e8216d925..bb353dcab881 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-089.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-090.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-090.xht
index c5608311cc87..3c95492c7f04 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-090.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-091.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-091.xht
index d86f746531e4..f5f69240f53e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-091.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-092.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-092.xht
index 32adb9d574ea..f193c96112bc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/right-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/right-092.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'right' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-079.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-079.xht
index 69423965f543..71208d266405 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-079.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-080.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-080.xht
index 060942503ee1..439945b00611 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-080.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a positive nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-088.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-088.xht
index 508a590e9951..fb323b2e24ba 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-088.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-089.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-089.xht
index dc3c7d40ca57..ed4e58501e31 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-089.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-090.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-090.xht
index 16e82f65b3fb..482a46b4f9a0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-090.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-091.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-091.xht
index d21ac920ec6e..6b46c3f19a86 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-091.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-092.xht b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-092.xht
index ca89d2173695..939f93eff638 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/positioning/top-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/positioning/top-092.xht
@@ -10,6 +10,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'top' property sets a positive nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/reference/no_red_bold_italic_small-caps_ahem.html b/tests/wpt/web-platform-tests/css/CSS2/reference/no_red_bold_italic_small-caps_ahem.html
index a1620862a6cc..39305e443097 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/reference/no_red_bold_italic_small-caps_ahem.html
+++ b/tests/wpt/web-platform-tests/css/CSS2/reference/no_red_bold_italic_small-caps_ahem.html
@@ -3,6 +3,7 @@
 <head>
    <title>Reference rendering - no red, bold italic small-caps Ahem</title>
    <link rel="author" title="Opera Software" href="https://opera.com">
+   <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
    <style type="text/css">
       #outer {
          position: relative;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-004.xht
index f7e3d909998e..297fadc408ef 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-004.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-005.xht
index 3f11edb275ce..aed6c3ed6ec7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-005.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-006.xht
index 3f2a0c2b7dd3..a64f93012cca 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-006.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-007.xht
index 61e8a67f349d..ca7731a62de5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-007.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-008.xht
index ef8dc1564bae..dafb0c6abff9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-008.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in pixels with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-016.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-016.xht
index b113ee668e02..79e2e9f41c0d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-016.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-017.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-017.xht
index f28120d2b825..01765d5e06f2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-017.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-018.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-018.xht
index 36545195cf58..12d369bfebae 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-018.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-019.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-019.xht
index f37f035da17a..2ccff7121a9d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-019.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-020.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-020.xht
index 022b3283d0f0..bbe9fe2db6b8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-020.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in points with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-028.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-028.xht
index ce42f7ffcade..58601fa37af6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-028.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-029.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-029.xht
index 78c7cf68845b..5e282aa58cc9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-029.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-030.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-030.xht
index 46aad27875d2..e8235d801962 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-030.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-030.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-031.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-031.xht
index ed4dcac3fb5b..9428b8c2e6a6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-031.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-031.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-032.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-032.xht
index fcb9d3cc1ed5..9704c07b325d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-032.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-032.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in picas with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-040.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-040.xht
index 6888f30fe0f0..d5cf2fdfa1eb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-040.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-041.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-041.xht
index 332812686f67..fbae33087d75 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-041.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-041.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-042.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-042.xht
index 569522f95cb4..a95d21b98deb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-042.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-042.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-043.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-043.xht
index db0ca1693e35..d1b361dbadc8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-043.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-043.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-044.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-044.xht
index 822043e98634..fea4352f1a83 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-044.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-044.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in centimeters with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-052.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-052.xht
index 90df23ffc7db..e0297b75e0ed 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-052.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-052.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-053.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-053.xht
index 691fc665f978..c26e8266f098 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-053.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-053.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-054.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-054.xht
index af438ad4b702..002ae33c73c7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-054.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-054.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-055.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-055.xht
index 236b905bb105..d14e327a9d59 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-055.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-055.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-056.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-056.xht
index 49ab47d27364..f243b5bd0980 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-056.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in millimeters with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-064.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-064.xht
index 4c9080690ceb..71fe8c6d8bff 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-064.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-064.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-066.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-066.xht
index c5fc3302d9ee..021bf76ede20 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-066.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-066.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-067.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-067.xht
index a4139bfed575..72f02f50dc8c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-067.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-068.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-068.xht
index a3b8032e6799..096ed5a077de 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-068.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in inches with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-076.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-076.xht
index cec48672b85c..d3695878cb80 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-076.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-076.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-077.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-077.xht
index f96fa9a3ded7..d0e805972ab4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-077.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-077.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-078.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-078.xht
index cd7322fc2edb..2ea701787ef5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-078.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-079.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-079.xht
index 0385990543ad..28cf7b39b347 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-079.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-080.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-080.xht
index 58d17773427d..6ba3dda597e5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-080.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in 'em' units with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-088.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-088.xht
index 8ca00696c728..570c43080710 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-088.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-089.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-089.xht
index e2645512fe6b..a243c86a31c5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-089.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-090.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-090.xht
index 40977dd22e9f..9077619bb74f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-090.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-091.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-091.xht
index 517d185de199..5301fb97638b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-091.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-092.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-092.xht
index aa3f5ba9c71d..b18ab8d7f00d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-092.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a nominal length value in 'ex' units with a plus sign." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-097.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-097.xht
index efbc81992a19..549d9ebf3b01 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-097.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-097.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a negative zero length value with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-098.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-098.xht
index 4bb26ccb85ab..7602b264ec4c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-098.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-098.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a zero length value with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-099.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-099.xht
index d9b85b34422c..4dec8e48ec28 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-099.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-099.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property sets a positive zero length value with no units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-100.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-100.xht
index f612016482eb..08df1c3c218f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-100.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-100.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="letter-spacing-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property set to 'normal' sets the typical spacing for letters based on the font." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-101.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-101.xht
index 0bb623f72749..f45c66b51a6c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-101.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-101.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' set to 'inherit' uses its parents' value for the spacing of letters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-001.xht
index cca0071b460d..60b53f8d9a3e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-001.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: inline' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-002.xht
index 4eebec42ce6b..3456db1264da 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-002.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-003.xht
index b570509a4085..c0a02e0aeee1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-003.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: list-item' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             body
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-005.xht
index c4e2741e148a..dc378c8b8199 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: inline-block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-006.xht
index 1777c879352c..fea2bd981d00 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-006.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-007.xht
index b1f832e3f7ff..50023d08c546 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-007.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: inline-table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-008.xht
index bf66db34e6bd..39f5a0b6a426 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-008.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-row-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-009.xht
index 58eac45da46b..20d1509168c3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-009.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-header-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-010.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-010.xht
index 2c32e05f809b..14a642a00170 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-010.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-footer-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-011.xht
index 8cc9d3510ffa..70c2cf13f5ff 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-011.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-row' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-012.xht
index 639cde0db1a4..7580ee26d6ad 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-012.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property does not apply to 'display: table-column-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-013.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-013.xht
index 80d90ebfcda2..04581928593e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-013.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property does not apply to 'display: table-column' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-014.xht
index 65920b4911d6..ab9787478ea3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-014.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-cell' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-015.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-015.xht
index 098b0024db34..062b89124e0b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-applies-to-015.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../../reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'letter-spacing' property is applied to 'display: table-caption' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-justify-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-justify-001.xht
index 2e61e42b53b8..a635a34c3b34 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-justify-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/letter-spacing-justify-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The letter-spacing is not changed when combined with 'text-align: justify'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/painting-order-underline-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/painting-order-underline-001.xht
index a915f158f74f..9c01cbaa18a4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/painting-order-underline-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/painting-order-underline-001.xht
@@ -14,6 +14,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that underlining painting is done before glyphs are painted; therefore, if the underlining crosses the descenders (glyphs like 'g', 'j', 'p', 'q', 'y' have a descender), then the descender part must overlap the underline." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-bidi-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-bidi-011.xht
index 8f5f591a40ea..4f9576eb888c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-bidi-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-bidi-011.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { margin: 1em; width: 29em; font: 0.625em/1 Ahem; }
    .left { text-align: left; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-001.xht
index bbdee6a1dba0..85d62902f407 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-001.xht
@@ -10,6 +10,7 @@
         <meta name="flags" content="ahem may" /> <!-- "may" because level 3 makes it no longer mandatory -->
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre', text-align is computed to its initial value." />
         <link rel="help" href="https://drafts.csswg.org/css-text-3/#text-align-property" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-002.xht
index 8f1d1c1858f6..394e27f6f164 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-002.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre-line', 'text-align' remains 'justified'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-003.xht
index 16cd64e29521..947e869223e3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-003.xht
@@ -10,6 +10,7 @@
 	<meta name="flags" content="ahem may" /> <!-- "may" because level 3 makes it no longer mandatory -->
         <link rel="help" href="https://drafts.csswg.org/css-text-3/#text-align-property" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre-wrap', text-align is computed to its initial value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-004.xht
index fefff16bc4a6..496501665e56 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-004.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'nowrap', text-align is computed to 'justify'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-005.xht
index 4ccfc54f73e6..623a6cbd7b3c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-005.xht
@@ -10,6 +10,7 @@
 	<meta name="flags" content="ahem may" /> <!-- "may" because level 3 makes it no longer mandatory -->
         <link rel="help" href="https://drafts.csswg.org/css-text-3/#text-align-property" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre', text-align is computed to its initial value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-006.xht
index a5757074ac39..2f99d4ed7134 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-006.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre-line', 'text-align' remains 'justified'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-007.xht
index 720614ff376b..12de03cfd0e8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-007.xht
@@ -10,6 +10,7 @@
 	<meta name="flags" content="ahem may" /> <!-- "may" because level 3 makes it no longer mandatory -->
         <link rel="help" href="https://drafts.csswg.org/css-text-3/#text-align-property" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'pre-wrap', text-align is computed to its initial value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-008.xht
index d1ab708e2eea..cd26900f06f8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-align-white-space-008.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Setting 'text-align' to 'justify' and 'white-space' to 'nowrap', text-align is computed to 'justify'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-004.xht
index 0d74bd83fe56..f07a4a7759e3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-004.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property sets a negative zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-005.xht
index b64cbaf6ea1d..9c4941c15376 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0px adds 0px in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-006.xht
index 3faebcee545b..889dcbe2532c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-006.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0px adds 0px in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-007.xht
index 63c59121242c..98654cbe0171 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-007.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 96px adds 96px in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-008.xht
index 598790575ae6..bdcf3da5a122 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-008.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +96px adds 96px in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-012.xht
index e19add4eef79..be5edaadb82f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-012.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .control { background-color: yellow; position: absolute; top: 75px; height: 60px; width: 200px; border: 2px solid black; }
    .control .a { background-color: orange; position: absolute; width: 50px; height: 50px; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-014.xht
index 4dc6cc6eefa1..528f746ade29 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-014.xht
@@ -9,6 +9,7 @@
   <meta name="assert" content="text-indent affects only the first line of
     a block container if that line is also the first formatted line of an
     element."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
     .container {
       font: 20px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-016.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-016.xht
index 51eea9f95e93..12434f53f1b6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-016.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 pt adds 0pt in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-017.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-017.xht
index 6669d95f424c..74055fd89f11 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-017.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0pt adds 0pt in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-018.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-018.xht
index 17ab230c4796..90535883c4a4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-018.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0pt adds 0pt in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-019.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-019.xht
index bcfccfa95e70..8052aed629f5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-019.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 72pt adds 72pt in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-020.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-020.xht
index 5f8339422f62..33fa5b2abdec 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-020.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +72pt adds 72pt in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-028.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-028.xht
index f466f7b484bc..6bbbbb505ea1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-028.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 pc adds 0pc in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-029.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-029.xht
index 92ba1d6d54ed..152cb225a382 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-029.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0pc adds 0pc in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-030.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-030.xht
index 6b4810217954..f014da608138 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-030.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-030.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0pc adds 0pc in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-031.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-031.xht
index 538547e963b3..4cd0a9718225 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-031.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-031.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 6pc adds 6pc in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-032.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-032.xht
index 88c8a589fc65..479f4b133aac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-032.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-032.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +6pc adds 6pc in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-040.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-040.xht
index ecbb52261610..e2be2abc29ac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-040.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 cm adds 0cm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-041.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-041.xht
index a26ab22892fe..2d88a23decf2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-041.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-041.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0cm adds 0cm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-042.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-042.xht
index 95d29ca0688a..fee261140c30 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-042.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-042.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0cm adds 0cm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-043.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-043.xht
index 14baf8e1cc98..23fb78ca4572 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-043.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-043.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 2.54cm adds 2.54cm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-044.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-044.xht
index 7e62631eaf28..5e14433b2db1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-044.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-044.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +2.54cm adds 2.54cm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-052.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-052.xht
index 7036a4a1ee14..ce6a6a25d58f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-052.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-052.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 mm adds 0mm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-053.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-053.xht
index 8b0c26ef7837..456f9beb3753 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-053.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-053.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0mm adds 0mm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-054.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-054.xht
index 37578df45060..0d8586c0559e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-054.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-054.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0mm adds 0mm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-055.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-055.xht
index ea3ad36e5e20..cc1fd09b14d7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-055.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-055.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 25.4mm adds 25.4mm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-056.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-056.xht
index ff7215bcb231..1efd057bac64 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-056.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +25.4mm adds 25.4mm in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-064.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-064.xht
index c6465d6053a1..97880251bbf9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-064.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-064.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 in adds 0in in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-065.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-065.xht
index 82d363873268..1c378f30d1db 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-065.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-065.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0in adds 0in in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-066.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-066.xht
index 9a949d967d57..ceb189766fdd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-066.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-066.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0in adds 0in in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-067.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-067.xht
index 3a6462ea9da2..51bcca28196d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-067.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 1in adds 1in in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-068.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-068.xht
index 480240f8d103..20633bd1921a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-068.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +1in adds 1in in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-076.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-076.xht
index c71a9825ab91..d52efad87b80 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-076.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-076.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 em adds 0em in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-077.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-077.xht
index 34b335a22b2d..9f73ffbdb3d1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-077.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-077.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0em adds 0em in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-078.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-078.xht
index 7f43dc17b38a..1ca0c52671d0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-078.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0em adds 0em in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-079.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-079.xht
index 24ff846097fe..f81bfe8421b1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-079.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 6em adds 6em in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-080.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-080.xht
index b1c51492f6fa..69b8e9262e9a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-080.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="../reference/pass_if_box_ahem.html"/>
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +6em adds 6em in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-088.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-088.xht
index 032fe155c0e9..40d0055ee5cd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-088.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-089.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-089.xht
index 5e8b04767c08..67e133593503 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-089.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0ex adds 0ex in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-090.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-090.xht
index ee4c2d2ba6f0..108582cda262 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-090.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0ex adds 0ex in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-091.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-091.xht
index d09525530d74..265ca69eb7e1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-091.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 12ex adds 12ex in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-092.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-092.xht
index 24031f9c96e8..21d0f50df7bb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-092.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +12ex adds 12ex in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-100.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-100.xht
index 60d699131838..b18d6c9f5af2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-100.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-100.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property sets a negative zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-101.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-101.xht
index 2986c7e5f48e..09da8b6f898f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-101.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-101.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property sets a zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-102.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-102.xht
index 459e884b21fa..fe18d9f9728a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-102.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-102.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property sets a positive zero length value in percentages." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-103.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-103.xht
index 523a954b6896..bfdd2e1d24e8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-103.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-103.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 50% adds 50% of its containing block's width in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-104.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-104.xht
index d62bf45f0ccb..327e83084da0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-104.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-104.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +50% adds 50% of its containing block's width in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-109.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-109.xht
index 89e6b23dbcaa..a3912226a7d9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-109.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-109.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent -0 adds 0 in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-110.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-110.xht
index 2eccd185e296..8352d10a11e2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-110.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-110.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent 0 adds 0 in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-111.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-111.xht
index fade928973d7..778d9a14da78 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-111.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-111.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent +0 adds 0px in front of the text." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-112.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-112.xht
index 46369d862a42..175661d57989 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-112.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-112.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that text-indent with inherit uses its parent's value for text-indent." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #parent
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-001.xht
index c6c5b63b6a47..68cf27d355f8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-001.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is not applied to 'display: inline' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-002.xht
index 4dcf6061d081..94f40462daf4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-002.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-003.xht
index 3cad9d4a3de0..74d7820fffe5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-003.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to display: list-item elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-005.xht
index c6ac77c4f6be..bf8ce5f3aeb3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: inline-block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-006.xht
index aef9eead7fea..733880ac4ee1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-006.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-007.xht
index 1c05cb32416b..64d5f934f301 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-007.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: inline-table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-008.xht
index a25c5f7f76ba..54e8f84614a0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-008.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-row-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-009.xht
index d65594b8c6e8..c8e8e98cb294 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-009.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-header-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-010.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-010.xht
index a7dbdd3fd65c..bdf72d838cec 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-010.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-footer-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-011.xht
index 189fd1a2a352..2348c4f59ed5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-011.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-row' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-012.xht
index 30cadd5be0ec..70e074316d25 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-012.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is not applied to 'display: table-column-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-013.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-013.xht
index 6a5a59ef4748..757238a2ec2f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-013.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is not applied to 'display: table-column' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-014.xht
index 2e895918af90..d2a6881e82a0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-014.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-cell' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-015.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-015.xht
index faa6dd5a8934..c26dbe52a6b2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-applies-to-015.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is applied to 'display: table-caption' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-inherited-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-inherited-001.xht
index 396f6e541f0b..92380e2d60ba 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-inherited-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-inherited-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property is inherited by inline-block level elements resulting in a double indent." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-002.xht
index 6b68a6e0dfba..4bc465abd463 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-002.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property with negative value follows the 'overflow: visible' assignment." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-003.xht
index 225ae834ebb4..6f2cc60723f0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-overflow-003.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property with a value exceeding the available width follows the 'overflow: visible' assignment." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-001.xht
index e8cf5bfe69a4..12287bb390f5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property on an element with 'direction: rtl' indents from the right instead of left." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-002.xht
index 06aab87ab268..30ee7e8906e6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/text-indent-rtl-002.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#indentation-prop" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'text-indent' property with negative values with direction rtl indent to the right." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001-ref.xht
index 36c8f43a07d7..e0c5e2a39b0c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001-ref.xht
@@ -6,6 +6,7 @@
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
 
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001.xht
index 9f4961f8d24a..f4fb548d004b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-001.xht
@@ -10,6 +10,7 @@
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'normal' removes extra spacing when more than one space is next to another." />
 
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002-ref.xht
index 018c193dde1a..30ea7df60941 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002.xht
index 084f75bc8882..5fb1a842e762 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-002.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'pre' does not remove extra spacing when more than one space is next to another." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-003.xht
index cf9f539461e8..dd59199bfd55 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-003.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'nowrap' removes extra spacing when more than one space is next to another. And the text does not wrap when width is constrained." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004-ref.xht
index 095d391c4e99..8238da185b36 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004.xht
index ca5c79e7916c..641c3f3c0bd6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-004.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-004-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'pre-wrap' does not remove extra spacing when two spaces are next to each other and introduces line breaking opportunities." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-005.xht
index 8d05f288c1d5..aa5b61ca2ffe 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-005.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'pre-line' does remove extra spacing when two spaces are next to each other and breaks at new lines." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-006.xht
index 2980ea04c8c8..de0061bb230f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-006.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'inherit' causes the element to use its parent's white-space value." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-007.xht
index 8574eb7cafe4..3dc9fcc69523 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-007.xht
@@ -17,6 +17,7 @@
   <meta name="flags" content="ahem" />
   <meta name="assert" content="'white-space: normal' and 'white-space: nowrap' should collapse sequences of white space. Regarding wrapping, line breaking opportunities are determined on the text prior to white space collapsing steps." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-001.xht
index 918f22fef574..1702e171b2da 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-001.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: inline' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-002.xht
index 43058a5a5d31..eaf86aad80c3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-002.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003-ref.xht
index c3d4bc6ee516..3123d6221bbf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             body
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003.xht
index d4adcd6a993d..031e3a8d5627 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-003.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-applies-to-003-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to display: list-item elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             body
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-005.xht
index 856ef9044839..db6a06282dcc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-005.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: inline-block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-006.xht
index 0daa4132a6fb..d750da518be7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-006.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-007.xht
index 4e98ae2bbc2a..c99cdf93346e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-007.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: inline-table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-008.xht
index 37ed18b16404..d3fd1fab0a98 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-008.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table-row-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-009.xht
index ef33e9a0395b..2fef90d7c513 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-009.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table-header-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-010.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-010.xht
index 7f3f6f8b3330..4c6367859560 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-010.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table-footer-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-011.xht
index 9b6380db89ff..31370f896a6b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-011.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display:  table-row' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-012.xht
index f0d7f2c250b4..8819f33f129e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-012.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property is not applied to 'display: table-column-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-013.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-013.xht
index e95e5b45e231..32171998cfdd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-013.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property is not applied to 'display: table-column' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-014.xht
index eab0754f46f0..9911721e8dcb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-014.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table-cell' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-015.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-015.xht
index 83f288f2fdff..bb11f26d2cf7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-applies-to-015.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property applies to 'display: table-caption' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-001.xht
index 966d50021244..90f2d4535cd4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-001.xht
@@ -10,6 +10,7 @@
   <link rel="match" href="white-space-collapsing-001-ref.xht" />
 
   <meta name="flags" content="ahem"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
     .test { font: 1.25em/1 Ahem; background: white; color: red; }
     .test span { background: red; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-002.xht
index d69cc471c170..627214c8d1c5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-002.xht
@@ -10,6 +10,7 @@
   <link rel="match" href="white-space-collapsing-001-ref.xht" />
 
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
     .test { font: 1.25em/1 Ahem; background: white; color: red; }
     .test span { background: red; color: green; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003-ref.xht
index 6d971dcc3516..a045802baa21 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Test reference</title>
   <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
   <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { margin: 0.25em; border: 0.25em solid navy; padding: 0.1em; background: blue; color: yellow; text-decoration: underline; width: 7em; text-align: center; font: 2em Ahem, monospace; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003.xht
index 2034d2826a73..0363a4cf8215 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-003.xht
@@ -7,6 +7,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
   <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2" />
   <link rel="match" href="white-space-collapsing-003-ref.xht" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { margin: 0.25em; border: 0.25em solid navy; padding: 0.1em; background: blue; color: yellow; text-decoration: underline; width: 7em; text-align: center; font: 2em Ahem, monospace; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-004.xht
index e31dae029d29..70a2a4f6ef03 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-004.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { font: 2.5em/1 Ahem; color: teal; background: aqua; white-space: normal; width: 3em; border: solid black; }
    .test span { display: none; color: red; background: maroon; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-005.xht
index 9916684930db..8ed9d432ee6c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-005.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { font: 2.5em/1 Ahem; color: teal; background: aqua; white-space: normal; width: 3em; border: solid black; }
    .test span { display: none; color: red; background: maroon; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-001.xht
index 16e8bdfe5540..41644681eb8a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-001.xht
@@ -13,6 +13,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    td { background: red; padding: 0; border: solid; }
    .test span { color: aqua; background: yellow; font: 2.5em/1 Ahem; white-space: normal; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-002.xht
index 3de497be05ce..7b6718f4d7d1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-002.xht
@@ -13,6 +13,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    td { background: red; padding: 0; border: solid; }
    .test .test { color: aqua; background: yellow; font: 2.5em/1 Ahem; white-space: normal; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-003.xht
index 540e0708ecd7..cd21357dac45 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-collapsing-bidi-003.xht
@@ -13,6 +13,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    td { border: solid; padding: 0; background: red; font: 1.25em/1 Ahem; color: green; white-space: normal; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-control-characters-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-control-characters-001.xht
index e0fb73d71dfa..40c4727704c9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-control-characters-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-control-characters-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#ctrlchars" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="White space processing model does not affect non white space control characters, in this case the 'Start of string' character." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001-ref.xht
index 4b9fc1c491ed..7e17ec3d266f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001.xht
index e575f78e5070..2202c9064490 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-001.xht
@@ -16,6 +16,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test
    {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-002.xht
index 254f7901fcd5..1de2d4602464 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-002.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { border: solid blue; font: 1.25em/1 Ahem; background: yellow; color: orange; float: left; clear: left; margin: 1em; }
    .normal { white-space: normal; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-003.xht
index f6df2945240d..26a790936a11 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-003.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .test { border: solid blue; font: 1.25em/1 Ahem; background: yellow; color: orange; float: left; margin: 1em; }
    .normal { white-space: normal; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-004.xht
index 7720132541ce..8b9a601edb7c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-mixed-004.xht
@@ -13,6 +13,7 @@
   <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
 
   <meta name="flags" content="ahem interact"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div { font: 1em/1 Ahem, monospace; color: navy; }
    .bn { white-space: normal; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-001.xht
index 0e11aabffd7b..b50e02f3d0c6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-001.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    * { white-space: normal; }
    div { display: block; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-002.xht
index 2c1b2ac83467..b929d6751ae4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-002.xht
@@ -12,6 +12,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    * { white-space: normal; }
    div { display: block; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003-ref.xht
index e3bd61c2f792..f348a819e083 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003.xht
index 2095f494e02b..f7ef8a6d3b41 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-003.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-004.xht
index 13beed230a35..4bed414ba258 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-004.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-005.xht
index bc3eb841867f..fad48a1ac610 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-005.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-006.xht
index 6502e82d6761..e64b6c8026f6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-006.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-007.xht
index d6f9fe0cee8f..efb65641ad0e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-007.xht
@@ -14,6 +14,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-008.xht
index f0575ff84963..10d44a0b285a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-008.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-009.xht
index cb89f98a2087..ef5d6f49bd86 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-normal-009.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    * { white-space: normal; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-001.xht
index d83796f72637..340755111eae 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-001.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .top { font: 20px/1 Ahem; }
    .outer { width: 10em; background: red; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-005.xht
index 1a4d85dad685..2866785a12a1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-005.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: nowrap; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-006.xht
index d6dc5d7a2fd2..04976acd4bf3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-nowrap-006.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: nowrap; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001-ref.xht
index 195ec4c053e0..79491950184c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001.xht
index 795ddf10a0ed..0d5d6b5c129e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-001.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    pre { white-space: pre; font: 1.25em/1 Ahem; background: green; color: lime; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002-ref.xht
index 739d357d73ce..76f809303863 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002.xht
index 7c519e3ae5d1..508be26165c7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-002.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    div { white-space: pre; font: 1.25em/1 Ahem; background: green; color: lime; }
   </style>
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-005.xht
index 05680d804e6f..485e1520e902 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-005.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: pre; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-006.xht
index b0e773c4cba5..a58646bbcc7e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-pre-006.xht
@@ -11,6 +11,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    /* setup */
    td * { white-space: pre; font: inherit; }
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-001.xht
index b9a869015c78..f212b0c66b07 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-001.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Text within a block element is treated like an anonymous inline element for white space processing model." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-002.xht
index 2f87d802bc65..3cc4db986858 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-002.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A tab before a linefeed is removed if 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-003.xht
index e3f4bab21a1c..f4310d257cb2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-003.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A tab before a linefeed is removed if 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-004.xht
index 017f88c13bf7..08e5c8be5fe1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-004.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A tab before a linefeed is removed if 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-005.xht
index 26800d1c1e56..0cc09c00d45f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-005.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="A carriage return before a linefeed is removed if 'white-space' is set to 'normal'. The linefeed may be rendered as a space or not rendered." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-006.xht
index 42686f8368d5..c67cf8353513 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-006.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="A carriage return before a linefeed is removed if 'white-space' is set to 'nowrap'. The linefeed may be rendered as a space or not rendered." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-007.xht
index f1a45555b793..4c0a83258102 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-007.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="A carriage return before a linefeed is removed if 'white-space' is set to 'pre-line'.  The linefeed may be rendered as a space or not rendered." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-008.xht
index 9811ccbacd2f..1e9fb1948660 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-008.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A space before a linefeed is removed if 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-009.xht
index 251a02666b2b..6592161324e3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-009.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A space before a linefeed is removed if 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-010.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-010.xht
index ec8a258d214d..bbf43365f7a7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-010.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A space before a linefeed is removed if 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-011.xht
index 8d6453bd0d43..6b42dffe5edf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-011.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A sequence of spaces are not collapsed when 'white-space' is set to 'pre'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-012.xht
index 1bb819e1e130..688d2c5ef688 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-012.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-002-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Sequence of spaces are not collapsed when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013-ref.xht
index ddfa5cc3a33d..937cb87d1497 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013.xht
index 7d17160aea43..b6dee8f2a58b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-013.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-013-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A line breaking opportunity is introduced at the end of a sequence of spaces when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-014.xht
index 5b0993d37306..75fb87be126c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-014.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="Linefeed characters are transformed into spaces, zero-width space, or not rendered when 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-015.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-015.xht
index 145fb7dca1ba..b123db459ce7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-015.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Linefeed characters are transformed into spaces, zero-width space, or not rendered when 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016-ref.xht
index ba63ceea7a3d..78feea961883 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016-ref.xht
@@ -4,6 +4,7 @@
         <title>CSS Test reference</title>
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016.xht
index 339226f2cf39..f284ec407d1b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-016.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Linefeed characters are not transformed when 'white-space' is set to 'pre'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-017.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-017.xht
index 5d252d568092..ed3dc31693e3 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-017.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-016-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Linefeed characters are not transformed when 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-018.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-018.xht
index 46ce7d009648..57d065a25e86 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-018.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-016-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Linefeed characters are not transformed when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-019.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-019.xht
index 807a6ad2ebd1..4c6600be054e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-019.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Tabs are converted to spaces when 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-020.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-020.xht
index 2402e62215e6..b54037045deb 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-020.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Tabs are converted to spaces when 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-021.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-021.xht
index 30e5a105a509..b6bae368e91e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-021.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-021.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Tabs are converted to spaces when 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-022.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-022.xht
index f7b417899d22..ccc6e91eded8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-022.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-022.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'normal' adjoining a space with 'white-space' set to 'normal' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-023.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-023.xht
index 25aabf1594d3..25a77a6ea699 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-023.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-023.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'normal' adjoining a space with 'white-space' set to 'nowrap' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-024.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-024.xht
index 8178e2171771..8f6a83dbc9b0 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-024.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-024.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'normal' adjoining a space with 'white-space' set to 'pre-line' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-025.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-025.xht
index dfabc2af0e0c..34eda9c291c6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-025.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-025.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'nowrap' adjoining a space with 'white-space' set to 'normal' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-026.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-026.xht
index da79d00a1a02..a9462df88a7c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-026.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-026.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'nowrap' adjoining a space with 'white-space' set to 'nowrap' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-027.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-027.xht
index 3d5dc3a80fe7..9b3b10f7807e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-027.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-027.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'nowrap' adjoining a space with 'white-space' set to 'pre-line' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-028.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-028.xht
index c2ffa9ab2109..270e5f5dd183 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-028.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'normal' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-029.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-029.xht
index caba60a4b8c2..513ffda908f5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-029.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'nowrap' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-030.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-030.xht
index 95e85a5d3df6..7f3fb4cfb693 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-030.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-030.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'pre-line' collapse into one space." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-031.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-031.xht
index 108ba749c38c..b0323636233e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-031.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-031.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'normal' adjoining a space with 'white-space' set to 'pre' remain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-032.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-032.xht
index 07cc069208a4..11b37aa1f44d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-032.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-032.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'normal' adjoining a space with 'white-space' set to 'pre-wrap' remain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-033.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-033.xht
index dce57683ac0a..ba6af357ba3d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-033.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-033.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'nowrap' adjoining a space with 'white-space' set to 'pre' remain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-034.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-034.xht
index a0de95d37584..4acf4e580cbc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-034.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-034.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'nowrap' adjoining a space with 'white-space' set to 'pre-wrap' remain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-035.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-035.xht
index 4bc6beb3ff5c..aec28aa8a806 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-035.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-035.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'pre' retain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-036.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-036.xht
index d7de1dfa68c8..0755c3b51ffa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-036.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-036.xht
@@ -8,6 +8,7 @@
 	<link rel="match" href="white-space-processing-031-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'pre-wrap' retain two spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-037.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-037.xht
index e16d935566e2..11ed4be9ca89 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-037.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-037.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-037-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space at beginning of line is removed when 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-038.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-038.xht
index 061d4faab30b..935e3ff0430a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-038.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-038.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-037-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space at beginning of line is removed when 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-039.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-039.xht
index 24df61a37a3c..db66acbd2cfe 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-039.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-039.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-037-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space at beginning of line is removed when 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-040.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-040.xht
index 03245a2b0a20..bda32c7b315d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-040.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-037-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space at beginning of line is not removed when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-041.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-041.xht
index 499cfeef6d68..2e3644c4f4ef 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-041.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-041.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-037-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space at beginning of line is not removed when 'white-space' is set to 'pre'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-042.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-042.xht
index 09c040129049..a33484aece4a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-042.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-042.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-042-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Tabs (when rendered) render spaces at 8 character stops. That is, within a line, split the line into 8 character lengths. The tab would continue until the end of the next length. So if there are already 3 characters in a line, the tab would be rendered as 5 spaces." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043-ref.xht
index ca3e29bbc420..0a8924fc94b8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043.xht
index 545651693c5c..aeaf8d82c1e7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-043.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-processing-043-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space is removed at the end of the line when 'white-space' is set to 'normal'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-044.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-044.xht
index 03a200ceb621..624bf6883748 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-044.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-044.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-processing-043-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space is removed at the end of the line when 'white-space' is set to 'nowrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-045.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-045.xht
index 3792d70c8986..0d01b72d64e8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-045.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-045.xht
@@ -9,6 +9,7 @@
         <link rel="match" href="white-space-processing-043-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space is removed at the end of the line when 'white-space' is set to 'pre-line'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046-ref.xht
index 130a8959db96..9c7e0950ba14 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoa.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046.xht
index 326bcb919f22..3b81e108da65 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-046.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-046-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space is not removed at the end of the line when 'white-space' is set to 'pre'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-047.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-047.xht
index 3b2540cbe1b6..c92979ba1812 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-047.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-047.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-046-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Space is not removed at the end of the line when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-048.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-048.xht
index 65e419411ddf..d4c646973102 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-048.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-048.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A line breaking opportunity is not introduced with floats." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049-ref.xht
index 1c2e7c9176f0..0903a615cf65 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049-ref.xht
@@ -8,6 +8,7 @@
 
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049.xht
index 8ff28f7094b5..5d5602de342c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-049.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A line breaking opportunity is not introduced with an absolutely positioned element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #div1
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-050.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-050.xht
index e7e69cbf3c05..b4f528a2ece4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-050.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-050.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'normal' removes extra spacing when two spaces are next to each other when set on 'pre' element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             pre
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-051.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-051.xht
index ba909caffb9f..8556d3a161d2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-051.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-051.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-001-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'nowrap' does not remove extra spacing when two spaces are next to each other." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             pre
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052-ref.xht
index 594f516395f1..318b6321a071 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052-ref.xht
@@ -5,6 +5,7 @@
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
         <meta name="flags" content="ahem" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             pre
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052.xht
index f7af42504d01..45461812b63f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-052.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-052-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'pre-wrap' does not remove extra spacing when two spaces are next to each other and introduces line breaking opportunities when set on a 'pre' element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             pre
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-053.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-053.xht
index d1d5ffe9f829..03c14b1b5e06 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-053.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-053.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-052-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'white-space' property set to 'pre-line' does remove extra spacing when two spaces are next to each other and breaks at new lines when set on a 'pre' element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             pre
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-054.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-054.xht
index ce8b3fe45e50..e122a9d8cf32 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-054.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-054.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-054-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="An 'en quad' characters is not collapsed by the white space processing model." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055-ref.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055-ref.xht
index 0dbe52178ca3..b2e817a80ad1 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055-ref.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055-ref.xht
@@ -4,6 +4,7 @@
         <title>CSS Test reference</title>
         <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
         <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net" />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055.xht
index d96262ad5fcf..3dd01b0d7087 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-055.xht
@@ -8,6 +8,7 @@
         <link rel="match" href="white-space-processing-055-ref.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="A 'zero width no break space' character is not collapsed by the white space processing model." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-056.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-056.xht
index 4cd3c1348eea..0dfc98751a7c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-056.xht
@@ -9,6 +9,7 @@
 
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'ideographic space' character is not collapsed by the white space processing model." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-057.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-057.xht
index 94e1708b824c..b54e9b5419bd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-057.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-057.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="A tab at end of line may be removed when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-058.xht b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-058.xht
index c1bdfe0d16ec..40007dbbd101 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-058.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/white-space-processing-058.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#white-space-model" />
         <meta name="flags" content="ahem may" />
         <meta name="assert" content="A space at end of line may be removed when 'white-space' is set to 'pre-wrap'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-004.xht
index af85f571c67f..823197cc8037 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-004.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-005.xht
index b194f62a0b98..c28f3cb375a5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-006.xht
index 600dcf92ad61..9b3d54d7f213 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-006.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in pixels." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-007.xht
index eb99f3340f3e..8c18aa337e46 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-007.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 96px adds 96px (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-008.xht
index 478621e907f6..a58eff478f6a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-008.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +96px adds 96px (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-016.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-016.xht
index 3e91353f0258..7114e7f6eccc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-016.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-016.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-017.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-017.xht
index 464306d397f5..9cd07ece404e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-017.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-017.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-018.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-018.xht
index 6bf6c888eeb6..810d45bd6dd2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-018.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-018.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in points." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-019.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-019.xht
index 6c5a7980ba96..5e3cd60f478d 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-019.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-019.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that letter-spacing 72pt adds 72pt (in addition to default spacing) between letters in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-020.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-020.xht
index 03ecebbbc990..f49a79e3b795 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-020.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-020.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +72pt adds +72 points (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-028.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-028.xht
index 16d36d4e79af..75019e2eb252 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-028.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-028.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-029.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-029.xht
index e26e01070ba1..67aa05e12168 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-029.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-029.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-030.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-030.xht
index 39aa14131b84..da8ff8df0e79 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-030.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-030.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in picas." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-031.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-031.xht
index 2083f66bb80d..89cac8dde5b4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-031.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-031.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 6pc adds 6pc (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-032.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-032.xht
index 87d9025431a3..5e78d8f7debd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-032.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-032.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +6pc adds 6pc (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-040.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-040.xht
index d88605793cb1..2669c344ed77 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-040.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-040.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-041.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-041.xht
index ed787542b4f8..0b1e293f6ae7 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-041.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-041.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-042.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-042.xht
index 8df25e155c3f..48166f8df4be 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-042.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-042.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in centimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-043.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-043.xht
index 26da5ffea52e..58b40e98dd5e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-043.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-043.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 2.54cm adds 2.54cm (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-044.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-044.xht
index 0153823c2279..9c54efe20651 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-044.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-044.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +2.54cm adds 2.54cm (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-052.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-052.xht
index 5ee2cff154e0..330829c266da 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-052.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-052.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-053.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-053.xht
index ee64212c76e9..b17d188797dd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-053.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-053.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-054.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-054.xht
index 1af9ab742f64..9ec2d3fb93a5 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-054.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-054.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in millimeters." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-055.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-055.xht
index aadfedccf69f..f76ba7a7b7a8 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-055.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-055.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 25.4mm adds 25.4mm (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-056.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-056.xht
index fa53c906a68c..1cbc5ab13774 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-056.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-056.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +25.4mm adds 25.4mm (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-064.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-064.xht
index 87c0e7c60e4a..354265d6209b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-064.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-064.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-065.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-065.xht
index 5657bea39145..5a99dd0209aa 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-065.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-065.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-066.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-066.xht
index c97fa9ed470d..8ecad8b2c048 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-066.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-066.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in inches." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-067.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-067.xht
index 7a53b2a51c44..1e100bfbd199 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-067.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-067.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 1in adds 1in (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-068.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-068.xht
index 93164f2df839..299326934e29 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-068.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-068.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +1in adds 1in (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-076.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-076.xht
index 42d3c15d3c74..bcc867e9dd72 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-076.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-076.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-077.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-077.xht
index 0631ec6754fe..ebeca116dea6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-077.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-077.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-078.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-078.xht
index 458838d68f73..bf86663d505e 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-078.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-078.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in 'em' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-079.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-079.xht
index 3f1e5e7521e6..005946794a87 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-079.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-079.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 6em adds 6em (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-080.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-080.xht
index 4b7e017d8f84..b9593cb26461 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-080.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-080.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +6em adds 6em (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-088.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-088.xht
index fb30ade826c5..d9d764cc5ffc 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-088.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-088.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a negative zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-089.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-089.xht
index b223e26f43c9..244463958e87 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-089.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-089.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-090.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-090.xht
index c6ebb2f5ed52..dbb29b82c523 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-090.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-090.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property sets a positive zero length value in 'ex' units." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-091.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-091.xht
index 25009358610f..42dfe990ab12 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-091.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-091.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 12ex adds 12ex (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-092.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-092.xht
index ed954cdf8f7d..b1362668cd36 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-092.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-092.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +12ex adds 12ex (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-097.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-097.xht
index 159e3b32c1be..f6a9d05d94f6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-097.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-097.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing -0 adds 0 (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-098.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-098.xht
index 5e563790c20e..9d03c315d426 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-098.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-098.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing 0 adds no extra space (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-099.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-099.xht
index 5d777465d014..ecf88acbf02c 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-099.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-099.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing +0 adds no extra space (in addition to default spacing) between words in the element." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-100.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-100.xht
index 8fa0549a3462..f520c66cfc24 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-100.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-100.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property set to normal does not change spacing between words." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-101.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-101.xht
index ed0abfd90420..1dacf22738d6 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-101.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-101.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Ensure that word-spacing with inherit uses its parents value for word-spacing." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #wrapper
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-001.xht
index 996f86453174..abc440829379 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-001.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: inline' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-002.xht
index 77a8dd9a866b..2168839e3b54 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-002.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-003.xht
index 584bbe30c20c..062b26b02bac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-003.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: list-item' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             body
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-005.xht
index 5caf14064d65..121629fe120b 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-005.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: inline-block' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-006.xht
index b928f53a858d..3916c6ddbbcd 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-006.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-007.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-007.xht
index 8b16e846e6b6..f126cd1a9866 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-007.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-007.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: inline-table' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-008.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-008.xht
index a714111377f1..811172ca5060 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-008.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-008.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-row-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-009.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-009.xht
index f7d9417c67cf..53bd343da4db 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-009.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-009.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-header-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-010.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-010.xht
index 6a44418daed2..3ccf704fcd7f 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-010.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-010.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-footer-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-011.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-011.xht
index 6b538086f8e5..53a846da4386 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-011.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-011.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-row' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-012.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-012.xht
index e1be402985fd..930e0d64bdc4 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-012.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-012.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property is not applied to 'display: table-column-group' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-013.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-013.xht
index dcff27381af4..b6033bcf3831 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-013.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-013.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property is not applied to 'display: table-column' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-014.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-014.xht
index e094cda1135c..2d46ce4a9232 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-014.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-014.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-cell' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-015.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-015.xht
index 0041cb02d07d..a57e9d7da9e9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-015.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-applies-to-015.xht
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The 'word-spacing' property applies to 'display: table-caption' elements." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-justify-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-justify-001.xht
index f8d79cb76a1f..beae011e9201 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-justify-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-justify-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The word spacing is changed when combined with 'text-align: justify'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             span
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-001.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-001.xht
index 4a016ae2b2fb..5f9a77b5f8cf 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-001.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The white space processing removes spaces before 'word-spacing' is applied." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-002.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-002.xht
index a2ae0f0ffac8..57f7f1599376 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-002.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The white space processing removes non-breaking space before 'word-spacing' is applied." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-003.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-003.xht
index 93d0a5422027..41b6cb6531b9 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-003.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-003.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="The white space processing removes ideographic space before 'word-spacing' is applied." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-004.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-004.xht
index 71e648a4c039..96c94a3a80ac 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-004.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-004.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Any space left after white-space processing model occurs, has word-spacing applied to it." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-005.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-005.xht
index 2a45d0ceeba2..7cb53c84f57a 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-005.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-005.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Any non-breaking space left after white-space processing model occurs, has word-spacing applied to it." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-006.xht b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-006.xht
index 60f36569a0cf..bd660ca26936 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-006.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/text/word-spacing-remove-space-006.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/CSS21/text.html#spacing-props" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Any ideographic space left after white-space processing model occurs, has word-spacing applied to it." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             div
             {
diff --git a/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-letter.html b/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-letter.html
index f78460b90708..0b0a813d75b8 100644
--- a/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-letter.html
+++ b/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-letter.html
@@ -11,6 +11,7 @@
     <link rel="reviewer" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
     <meta name="flags" content="ahem image">
     <meta name="assert" content="background-image applicability to ::first-letter">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #content {
             color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-line.html b/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-line.html
index 206ff68d1736..72e672f525d7 100644
--- a/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-line.html
+++ b/tests/wpt/web-platform-tests/css/css-backgrounds/background-image-first-line.html
@@ -8,6 +8,7 @@
 <link rel="match" href="reference/background-image-first-line-ref.html">
 <meta name="flags" content="ahem image">
 <meta name="assert" content="background-image applicability to ::first-line">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css">
 #content {
   color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-letter-ref.html b/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-letter-ref.html
index 304be71fbace..210994b3ec0e 100644
--- a/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-letter-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-letter-ref.html
@@ -4,6 +4,7 @@
     <title>CSS Reftest Reference</title>
     <link rel="author" title="Ethan Malasky" href="mailto:emalasky@adobe.com">
     <meta name="flags" content="ahem image">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #content {
             color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-line-ref.html b/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-line-ref.html
index 82fd9a2d3d0e..38c5772677da 100644
--- a/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-line-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-backgrounds/reference/background-image-first-line-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <meta name="flags" content="ahem image">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css">
 #content {
   color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-002.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-002.html
index 1ae149f1aaf9..c243c8eb29fb 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-002.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-002.html
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-003.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-003.html
index 1b063f1965bb..bc672d9ba1a3 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-003.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-003.html
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-004.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-004.html
index 483aeae76030..08d379d996e7 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-004.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-004.html
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-005.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-005.html
index 39ef209b2b73..72256d43487a 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-005.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-005.html
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-layout">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-009.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-009.html
index fc57bbd18204..39ef1271af19 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-009.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-009.html
@@ -7,6 +7,7 @@
 <meta name=flags content="ahem">
 <meta name=assert content="Layout containment doesn't apply to table-row-group elements.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-010.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-010.html
index 8c8cb73ae3b3..6e4dde8aeb1e 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-010.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-010.html
@@ -7,6 +7,7 @@
 <meta name=flags content="ahem">
 <meta name=assert content="Layout containment doesn't apply to table-header-group elements.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-011.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-011.html
index 68dcede5a4ea..99021b48526a 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-011.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-011.html
@@ -7,6 +7,7 @@
 <meta name=flags content="ahem">
 <meta name=assert content="Layout containment doesn't apply to table-footer-group elements.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-012.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-012.html
index dfc776ef0274..9a2534ee69b6 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-012.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-012.html
@@ -7,6 +7,7 @@
 <meta name=flags content="ahem">
 <meta name=assert content="Layout containment doesn't apply to table-row elements.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html
index df3f5782354e..11e81b270bc6 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
 <link rel="match" href="reference/contain-layout-baseline-004-ref.html">
 <meta name=assert content="Table cells with layout containment are treated as having no baseline, for that reason their baseline is synthesized from the cell's border box when they're baseline aligned.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #table {
   display: table;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-paint-022.html b/tests/wpt/web-platform-tests/css/css-contain/contain-paint-022.html
index 6f7fecda8e83..2fc9d24b74d8 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-paint-022.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-paint-022.html
@@ -11,6 +11,7 @@
   <meta content="This test checks that paint containment applies to atomic inline elements and then they act as containing block for absolutely positioned descendants." name="assert">
   <meta name="flags" content="">
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   div#incorrect-containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-paint-023.html b/tests/wpt/web-platform-tests/css/css-contain/contain-paint-023.html
index 368f75f02497..28674ce7af85 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-paint-023.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-paint-023.html
@@ -11,6 +11,7 @@
   <meta content="This test checks that paint containment applies to atomic inline elements so that they can act as containing block for absolutely positioned descendants." name="assert">
   <meta name="flags" content="">
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   div#rel-pos-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-grid-003.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-grid-003.html
index e146b8859206..fd07602b5686 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-size-grid-003.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-grid-003.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
 <meta name=assert content="Size containment does apply to grid containers, thus their size is the same than if they don't have contents but taking into account the track sizes.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html b/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html
index d0c7788fc185..69658a7004a5 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Containment Test: Reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-004.htm b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-004.htm
index b86f217b4a25..07f4498d8bd0 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-004.htm
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-004.htm
@@ -8,6 +8,7 @@
         <link rel="match" href="reference/align-content-001-ref.html" />
         <meta name="flags" content="ahem">
         <meta name="assert" content="This test checks that the flex container with 'align-items: baseline' places each flex item's margin box so that their baselines align." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             #flexbox
             {
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-006.html b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-006.html
index f20c8969c4b3..ea8590b33336 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-006.html
@@ -7,6 +7,7 @@
         <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-direction-property" />
         <link rel="match" href="reference/align-content-001-ref.html" />
         <meta name="assert" content="This test checks that 'align-items: flex-start' implies the flex item's 'auto' width to be resolved as 'fit-content'." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css">
             .block {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-001.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-001.xht
index 6833d482e338..3d9562e8aaaa 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-001.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto" title="4.5. Implied Minimum Size of Flex Items" />
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
         <meta name="assert" content="Checks that minimum height for flex items is the min-content size." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-003.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-003.xht
index 38e7c4260db6..3dc59b9659fa 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-003.xht
@@ -7,6 +7,7 @@
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Checks that minimum height for flex items is the min-content size if it's smaller than the specified size." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-011.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-011.xht
index 19ba83af4049..3c86b0d66ec2 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-011.xht
@@ -6,6 +6,7 @@
         <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto" title="4.5. Implied Minimum Size of Flex Items" />
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
         <meta name="assert" content="Checks that minimum height for flex items is the min-content size." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-001.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-001.xht
index b8e2866edaa4..cd18483ba414 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-001.xht
@@ -7,6 +7,7 @@
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Checks that minimum width for flex items is the min-content size." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-003.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-003.xht
index 9edce6f6528c..cb3d053f6d34 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-003.xht
@@ -7,6 +7,7 @@
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
         <meta name="flags" content="ahem" />
         <meta name="assert" content="Checks that minimum width for flex items is the min-content size if it's smaller than the specified size." />
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content-ref.html b/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content-ref.html
index fb693581d516..cc748e419060 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for specifying flex:none on wrappable content should give content its full width</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 span {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content.html b/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content.html
index de00ff446ecf..81fafbf3091b 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flexbox_flex-none-wrappable-content.html
@@ -4,6 +4,7 @@
 <meta name="assert" content="When content has flex:none, it should be given its full width">
 <link rel="match" href="flexbox_flex-none-wrappable-content-ref.html">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 span {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-01.tentative-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-01.tentative-ref.html
index 7928438702c9..fc43ebc49b5a 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-01.tentative-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-01.tentative-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Test for font-display-late-swap feature policy behavior when set to reporting</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .ahem {
   font-family: 'Ahem';
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-02.tentative-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-02.tentative-ref.html
index 7f6f56a93abb..019043fd116d 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-02.tentative-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-feature-policy-02.tentative-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Test for font-display-late-swap feature policy behavior when set to report-only</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .ahem {
   font-family: 'Ahem';
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-ref.html
index 1d8410b4ed6b..b2cfcb549428 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-display/font-display-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Test for font-display @font-face descriptor</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .ahem {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001-ref.html
index b608c09c50ca..609e8d1d4bfd 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>CSS Fonts Reference: font-size-adjust - greater than aspect value of font</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001.html b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001.html
index b4b1c75bff24..047b73619cfd 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-001.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="Ahem">
 <meta name="assert" content="Test checks that the actual font size is greater than the specified size when the value of font-size-adjust
 is greater than the aspect value of font">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002-ref.html
index 175802cd7bb9..7bfa3bad5acc 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>CSS Fonts Reference: font-size-adjust - less than aspect value of font</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002.html b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002.html
index e1e4768ed47f..e4d87538c8c9 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-002.html
@@ -8,6 +8,7 @@
 <meta name="flags" content="Ahem">
 <meta name="assert" content="Test checks that the actual font size is less than the specified size when the value of font-size-adjust
 is less than the aspect value of font">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-005.xht b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-005.xht
index 04c3131b35ac..4f73773f55e3 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-005.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that a 0 value implies that used font-size must be 0px." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#zero-value-test
   {
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-006.xht b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-006.xht
index 3adc66c9f26b..0b96ff1c4313 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-006.xht
@@ -14,6 +14,7 @@
   <meta content="ahem invalid" name="flags" />
   <meta content="This test checks that a percentage value is invalid and therefore must be ignored." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-percent-value
   {
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-007.xht b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-007.xht
index ee6b04c6834e..0fd85c010517 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-007.xht
@@ -14,6 +14,7 @@
   <meta content="ahem invalid" name="flags" />
   <meta content="This test checks that 'auto' does not apply to font-size-adjust and therefore must be ignored." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-auto-value
   {
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-008.xht b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-008.xht
index 902e6acd2881..cae02b35af82 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-fonts/font-size-adjust-008.xht
@@ -14,6 +14,7 @@
   <meta content="ahem invalid" name="flags" />
   <meta content="This test checks that a negative value is invalid and therefore must be ignored." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-negative-value
   {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/abspos/absolute-positioning-definite-sizes-001.html b/tests/wpt/web-platform-tests/css/css-grid/abspos/absolute-positioning-definite-sizes-001.html
index 6c29302f7f37..dd19a835fdf6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/abspos/absolute-positioning-definite-sizes-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/abspos/absolute-positioning-definite-sizes-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#abspos" title="9. Absolute Positioning">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Items should extend to fill the width of the absolutely positioned grid container.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/abspos/grid-positioned-children-writing-modes-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/abspos/grid-positioned-children-writing-modes-001-ref.html
index e8ab2426c849..aa687de2f8c4 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/abspos/grid-positioned-children-writing-modes-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/abspos/grid-positioned-children-writing-modes-001-ref.html
@@ -3,6 +3,7 @@
 <title>CSS Grid Layout Test: Grid positioned children writing modes reference test</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001-ref.html
index 2ded937ad4bb..ac5494ee30b9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001-ref.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="flags" content="ahem">
 <link href="support/grid.css" rel="stylesheet">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001.html b/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001.html
index 4f849575f0ac..2f0056f4eeed 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/abspos/positioned-grid-items-sizing-001.html
@@ -7,6 +7,7 @@
 <meta name="assert" content="This test checks that the sizing of positioned grid items without specific dimensions or offsets is equivalent to the size of regular items.">
 <meta name="flags" content="ahem">
 <link href="support/grid.css" rel="stylesheet">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-001.html
index 2dec3c769a5a..865027325afc 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-001.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid's align-items value from 'stretch' to 'start' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-002.html
index 4463ebf121f7..3d0155e8bbd4 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-002.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid's align-items value from 'start' to 'stretch' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-003.html
index f9e1c873fbdd..c3d0dab39baf 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-003.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid's align-items value from 'stretch' to 'normal' causes no effect on non-replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-004.html
index ab532206f6ac..55feb2c2ba62 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-004.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid item's align-items value from 'normal' to 'stretch' causes no effect on non-replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-005.html
index 3002c174e84b..e89cc1ec3921 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-005.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid's align-items value from 'start' to 'normal' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-006.html
index cf44e9f57b44..58a124d39b8f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-006.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid's align-items value from 'normal' to 'start' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-007.html
index f8aa2da3fd22..782bfcd82449 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-007.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid item's align-items value from 'start' to 'stretch' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-008.html
index 24af744b95a3..b06cf544c1c9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-008.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid item's align-items value from 'stretch' to 'start' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-009.html
index bb33c4a2c2ce..108b7fc3afa0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-009.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid item's align-items value from 'start' to 'normal' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-010.html
index 876fdcd124d5..34a70f34837d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-010.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid item's align-items value from 'normal' to 'start' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-011.html
index d219cab93b1d..c3ad2e65b72d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-011.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid's align-items value from 'stretch' to 'start' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-012.html
index d8b24be16fd1..c6d2e3bfc3ac 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid's align-items value from 'start' to 'stretch' causes replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-013.html
index 5520a4c2d931..61b66dee8b4d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid's align-items value from 'stretch' to 'normal' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-014.html
index 26ff656d971a..ee9c4efbb935 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid item's align-items value from 'normal' to 'stretch' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-015.html
index 1a5e52c9d8a9..5eb383f8b138 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid item's align-items value from 'start' to 'normal' causes no effect on replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-016.html
index 66e7e2b4b21e..3f8c0d645c0a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-016.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid item's align-items value from 'normal' to 'start' causes no effect on replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-017.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-017.html
index d99476255f8a..e85b02599461 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-017.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-017.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-normal">
 <meta name="assert" content="Changing the grid item's align-items value from 'start' to 'stretch' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-018.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-018.html
index f6d0bcbe57ef..0c387aa4a253 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-018.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-018.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-start">
 <meta name="assert" content="Changing the grid item's align-items value from 'stretch' to 'start' causes replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-019.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-019.html
index 53139cbe585a..3a75c07c501d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-019.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-019.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid's justify-items value from 'stretch' to 'start' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-020.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-020.html
index 0b6a26f11d6f..d122098d9d09 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-020.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-020.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid's justify-items value from 'start' to 'stretch' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-021.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-021.html
index 7b68964227fb..89382a924167 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-021.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-021.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid's justify-items value from 'stretch' to 'normal' causes no effect on non-replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-022.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-022.html
index e4f9e7c3a2db..70b9061724db 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-022.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-022.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid item's justify-items value from 'normal' to 'stretch' causes no effect on non-replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-023.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-023.html
index a1bfe9c06733..6bae3d25227c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-023.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-023.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid's justify-items value from 'start' to 'normal' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-024.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-024.html
index 6d3136e00c67..d2e25355f345 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-024.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-024.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid's justify-items value from 'normal' to 'start' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-025.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-025.html
index 917d1109a457..7652f8badc23 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-025.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-025.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid item's justify-items value from 'start' to 'stretch' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-026.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-026.html
index 382ef2523e28..b2462c572e37 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-026.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-026.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid item's justify-items value from 'stretch' to 'start' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-027.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-027.html
index 0bdedf74dcfe..a88fd676e388 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-027.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-027.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid item's justify-items value from 'start' to 'normal' causes non-replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-028.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-028.html
index 0def10e2b6e4..4ae7171ec1e5 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-028.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-028.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid item's justify-items value from 'normal' to 'start' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-029.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-029.html
index 52472475037e..18830609202f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-029.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-029.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid's justify-items value from 'stretch' to 'start' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-030.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-030.html
index 4254fd6661fb..36709d508594 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-030.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-030.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid's justify-items value from 'start' to 'stretch' causes replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-031.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-031.html
index 35d0dcc8efa0..ad47a2a594f7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-031.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-031.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid's justify-items value from 'stretch' to 'normal' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-032.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-032.html
index 152c64195e2c..4f4569574cfd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-032.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-032.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid item's justify-items value from 'normal' to 'stretch' causes non-replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-033.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-033.html
index 5db0980710d7..9ad862c6de0a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-033.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-033.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid item's justify-items value from 'start' to 'normal' causes no effect on replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-034.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-034.html
index 98e04369a006..b253e8283ab3 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-034.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-034.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid item's justify-items value from 'normal' to 'start' causes no effect on replaced items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-035.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-035.html
index c9810b3f4ff9..ff0e240dd568 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-035.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-035.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-normal">
 <meta name="assert" content="Changing the grid item's justify-items value from 'start' to 'stretch' causes replaced items to shrink.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-036.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-036.html
index 634e5c7e1b51..2664ea1292cd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-036.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-implies-size-change-036.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-start">
 <meta name="assert" content="Changing the grid item's justify-items value from 'stretch' to 'start' causes replaced items to grow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-005.html
index 8624c85bf3be..ed3ca891da18 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-self-property">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#typedef-baseline-position">
 <meta name="assert" content="Changing the 'align-self' property's value of a grid item from 'baseline' will exclude such item from its baseline context, which implies recomputing all the baseline offsets and aligning the items left in such context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-006.html
index 1e32b1031413..a41f24bb95e9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-self-property">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#typedef-baseline-position">
 <meta name="assert" content="Changing the 'align-self' property's value of a grid item to 'baseline' will include such item into a baseline context, which implies recomputing all the baseline offsets and aligning the items in such context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-007.html
index f1a20f611d21..51319257f344 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#justify-self-property">
 <link rel="help" href="https://drafts.csswg.org/css-align/#typedef-baseline-position">
 <meta name="assert" content="Changing the 'align-self' property's value of a grid item from 'baseline' will exclude such item from its baseline context, which implies recomputing all the baseline offsets and aligning the items left in such context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-008.html
index 505b8f734226..c7e65dcc2fb5 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-alignment-style-changes-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#justify-self-property">
 <link rel="help" href="https://drafts.csswg.org/css-align/#typedef-baseline-position">
 <meta name="assert" content="Changing the 'justify-self' property's value of a grid item to 'baseline' will include such item into a baseline context, which implies recomputing all the baseline offsets and aligning the items in such context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-001.html
index 32ea4e34820c..7268b612545e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items with 'start' value for align-self are flushed with its alignment container's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-002.html
index 398d414ec3ba..59edcd1a8146 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-002.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-end">
 <meta name="assert" content="Absolute positioned grid items with 'end' value for align-self are flushed with its alignment container's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-003.html
index 6ec6c8a6a423..6e5d32932f60 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-003.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-left">
 <meta name="assert" content="Absolute positioned grid items with 'left' value for align-self are flushed with its alignment container's 'left' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-004.html
index 1ba215a7b3e7..33d711de2c98 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-004.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-right">
 <meta name="assert" content="Absolute positioned grid items with 'right' value for align-self are flushed with its alignment container's 'right' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-005.html
index 774b4ff603a5..b3d51eb9265c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-center">
 <meta name="assert" content="Absolute positioned grid items with 'center' value for align-self are 'centered' within its alignment container.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-006.html
index 18e65dabc0bb..acbb165a6a47 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-flex-start">
 <meta name="assert" content="The 'flex-start' value of align-self behaves like 'start' for absolute positioned grid items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-007.html
index a03f781af51c..c88103189055 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-flex-end">
 <meta name="assert" content="The 'flex-end' value of align-self behaves like 'end' for absolute positioned grid items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-008.html
index 11912f3773fc..0ebc17c46bbc 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with 'self-start' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-009.html
index dbf9b39411ad..64b33b8892eb 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-009.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-end">
 <meta name="assert" content="Absolute positioned grid items with 'self-end' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-010.html
index 1b3c94c9e995..c860249fd22a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-010.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-start' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-011.html
index 49ec89c41691..d772e1aea25d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-011.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-start' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-012.html
index f67ec4346f6e..8f9975d2b2bf 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items with 'start' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-013.html
index 7652e3a819d3..80418b12b6b2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-end">
 <meta name="assert" content="Absolute positioned grid items with 'end' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-014.html
index 231526433a44..70ad6f70b8ae 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-center">
 <meta name="assert" content="Absolute positioned grid items with 'center' value for align-self are 'centered' within its alignment container.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-015.html
index 5397f9629eb1..3fb572bad4c6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-start' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-016.html
index 64a7957932ee..e1437693d596 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-016.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-end">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-end' value for align-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-017.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-017.html
index 2c005e154e75..5e5a8c024b19 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-017.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-alignment-positioned-items-017.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items don't participate in Baseline Alignment, so the value 'baseline' behaves like 'start'.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-001.html
index bce62cfbddab..673cda037dcd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-001.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Grid items orthogonal to the Baseline Alignment Context should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container { position: relative; }
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-002.html
index d5757ffb0eeb..33e99ff65802 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-002.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Empty grid items with fixed size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-003.html
index 22e03201b382..101363a45cd0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-003.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Empty grid items with relative size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-004.html
index 3630eee37558..da4d4f4fbcaf 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-column-axis-self-baseline-synthesized-004.html
@@ -12,6 +12,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Grid items orthogonal to the Baseline Alignment Context should use their border-box 'under' edge as synthesized baseline.">
 <meta name="assert" content="Empty grid items with fixed size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-001.html
index 5b4bbabbb160..acbc473a3845 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-001.html
@@ -9,6 +9,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-002.html
index a6837e3debba..d06083188ced 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-content-alignment-second-pass-002.html
@@ -9,6 +9,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-fit-content-tracks-dont-stretch-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-fit-content-tracks-dont-stretch-001.html
index 721c829aa83a..70e434be8f2e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-fit-content-tracks-dont-stretch-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-fit-content-tracks-dont-stretch-001.html
@@ -8,6 +8,7 @@
 <meta name="flags" content="ahem dom">
 <meta name="assert" content="This test checks that 'fit-content()' tracks behave the same with 'normal', 'stretch' or 'start' values for content distribution properties.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-001.html
index e350f972357c..967b0e4be967 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items with 'start' value for justify-self are flushed with its alignment container's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-002.html
index 22b1e1ab77ec..7ccf3979b7ee 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-002.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-end">
 <meta name="assert" content="Absolute positioned grid items with 'end' value for justify-self are flushed with its alignment container's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-003.html
index 5c734b22c0d4..68534b9f6524 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-003.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-left">
 <meta name="assert" content="Absolute positioned grid items with 'left' value for justify-self are flushed with its alignment container's 'left' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-004.html
index 500115544b22..f2615f124711 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-004.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-right">
 <meta name="assert" content="Absolute positioned grid items with 'right' value for justify-self are flushed with its alignment container's 'right' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-005.html
index 5cbd36bd22d7..725cb1a25404 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-center">
 <meta name="assert" content="Absolute positioned grid items with 'center' value for justify-self are 'centered' within its alignment container.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-006.html
index f5b0cd24dbb5..bd381f1ece8e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-flex-start">
 <meta name="assert" content="The 'flex-start' value of justify-self behaves like 'start' for absolute positioned grid items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-007.html
index d185781cc83b..3d5f2782dd09 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-flex-start">
 <meta name="assert" content="The 'flex-end' value of justify-self behaves like 'end' for absolute positioned grid items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-008.html
index 34c12ceac9c9..3d96e0805f52 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with 'self-start' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-009.html
index 3932ef5ffb12..bbcadb598d30 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-009.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-end">
 <meta name="assert" content="Absolute positioned grid items with 'self-end' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-010.html
index 7acccdad6f20..6fba51dfd5c5 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-010.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-start' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-011.html
index d5088c9534e0..d07711d51579 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-011.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-end' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-012.html
index 8aeabed9a743..a80afc67eed6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items with 'start' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-013.html
index ee953bf240e9..90c0d049ae06 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-end">
 <meta name="assert" content="Absolute positioned grid items with 'end' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'end' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-014.html
index a4e838551f35..16fec813ffa0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-center">
 <meta name="assert" content="Absolute positioned grid items with 'center' value for justify-self are 'centered' within its alignment container.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-015.html
index 610dc2fa99b6..cd51a36da5a8 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-start">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-start' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-016.html
index 7ad87bdbd5c4..fc30ac4be76c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-016.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-self-end">
 <meta name="assert" content="Absolute positioned grid items with opposite direction and 'self-end' value for justify-self are flushed with the edge of the alignment container corresponding to the alignment subject's 'start' edge.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-017.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-017.html
index 6cc1e4e4b7a1..8c2c79d574ad 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-017.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-alignment-positioned-items-017.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#valdef-self-position-start">
 <meta name="assert" content="Absolute positioned grid items don't participate in Baseline Alignment, so the value 'baseline' behaves like 'start'.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-001.html
index e5a68498fc46..55a787546ba7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-001.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Grid items orthogonal to the Baseline Alignment Context should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container { position: relative; }
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-002.html
index c43b8563f489..ccfac854971c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-002.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Empty grid items with fixed size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container { position: relative; }
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-003.html
index b9c60ff7fbe6..76bcab2a9d46 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-003.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Empty grid items with relative size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container { position: relative; }
 .grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-004.html
index d1f3959ed782..1ee19e439d83 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-row-axis-self-baseline-synthesized-004.html
@@ -11,6 +11,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Empty grid items with fixed size should use their border-box 'under' edge as synthesized baseline.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container { position: relative; }
 .inline-grid {
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-001.html
index 192098b91cd3..5f32149402d0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on absolute positioned grid items with non-static position in the property's axis.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-002.html
index 1eb901f2daa6..2308b6944b16 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-002.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned grid items with margins.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-003.html
index 817ac8ea3e57..1874baac2e29 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-003.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned grid items with borders.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-004.html
index 7ac046c6e2c2..4c952d1ee4a7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-004.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned grid items with paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-005.html
index 69fce546c3c3..de975e65c8ad 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned grid items with margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-006.html
index 8d8a456d3cfa..426e095a80fe 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned grid items when both grid and its items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-007.html
index fa19cc9e5365..843711dd13cb 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on absolute positioned orthogonal grid items with non-static position in the property's axis.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-008.html
index a3a8ded6652b..91e243f25410 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned orthogonal grid items with margins.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-009.html
index fef0126f0111..7312a7708f8f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-009.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned orthogonal grid items with borders.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-010.html
index 48216ea1155e..82ad124e70d7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-010.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned orthogonal grid items with paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-011.html
index 9cf3f5ec05c6..c1dda4751421 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-011.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Alignment properties don't apply on non-static absolute positioned orthogonal grid items with margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-012.html
index 7af6cd1ebcbf..e2805ca57627 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-non-static-positioned-items-012.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when grid and its items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-001.html
index d6c22f0dc2cb..499f2c3a24a3 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have margins.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-002.html
index b8072fb55622..b8f0874e41ad 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-002.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have borders.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-003.html
index e31d32ea6b21..e224a0af2cda 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-003.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-004.html
index 5c86913d4a28..8aa8a5e12833 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-004.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-005.html
index fcd5d89c4de2..027c1a18a0e6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when the grid and its items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-006.html
index 0a1f7b7044dd..8389b06ab0a9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when items have margins.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-007.html
index c089b3654d2b..598d7b4dc561 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when items have borders.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-008.html
index 9ada00f2679b..b843f9f50a7d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when items have paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-009.html
index 4cf6ff0baf0c..a36ed19b67a6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-009.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-010.html
index 212369d7cf3c..6afabd12573f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-010.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned orthogonal grid items alignment works as expected when grid and its items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-011.html
index e65fa64850c8..e330ffafc3c8 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-011.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-012.html
index a75a0cd01215..7b1ce95287bf 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have margins.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-013.html
index ffc0674c406e..328f14d5c852 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have borders.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-014.html
index 71b57c5061f2..b3a86ebbc120 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-015.html
index 02bc0aca4744..31165fe006a1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-016.html
index 0b1ae3adcc79..d61281b78c76 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-positioned-items-with-margin-border-padding-016.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-align-self">
 <meta name="assert" content="Absolute positioned grid items alignment works as expected when the grid and its items have margins, borders and paddings.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-001.html
index 2b36b974a9ad..b091a948b946 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-001.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-002.html
index 639a675954a5..6fba94c63b6c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-002.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-003.html
index 878a945d0d75..e0a383282bd2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-003.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-004.html
index 39343fd4ecc1..4c4f1c7430fe 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-004.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-005.html
index a0a5fe81b7f3..aaf5a20b005e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-005.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-006.html
index 6328e7c42fb7..248d57f621a2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-006.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-007.html
index 131a511723a0..7ec5c3fe6e74 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-007.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-008.html
index c56b2923b9d4..55fc78432fe9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-008.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-009.html
index a60d93c7ab58..fe164de20d0d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-009.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-010.html
index dfbd4332e552..9feba74730d1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-010.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-011.html
index 99cf68713494..b4a199a75255 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-011.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-012.html
index f70541e22633..51a8b5d570ea 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-013.html
index 31d50bc56492..3202d7303d12 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-014.html
index 1059e0f22ca4..6e283ae4be8d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-015.html
index 9f941c1c1116..5f761f1d8b42 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-016.html
index 723b348d0104..2378190ea1c6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-016.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-001.html
index 66686fd6589a..516ea38ff386 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-001.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-002.html
index ff5cc9095889..a7bc034a9cc0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-002.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-003.html
index 20753f5925c0..8c37726f8277 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-003.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-004.html
index 871afad22798..0503bc450106 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-004.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-005.html
index fd9446e90912..617c7273cda0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-005.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-006.html
index 60c451984b6d..4ab4f962ad53 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-006.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-007.html
index b953bbf8bf90..6a8862acb3d1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-007.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-008.html
index b0f674ec8998..d5107aa3606e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-008.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-009.html
index 1590d688e518..04fd2cc204a2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-009.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-010.html
index c0574aa50c00..d2393a6b5333 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-010.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-011.html
index 702e40f3d060..22a690f0a120 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-011.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-012.html
index cb5879d588a2..c2c4039c0880 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-013.html
index e9c4d4449d5a..0a325668cfd7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-014.html
index 18751e5a260f..9b7d51c32e54 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-015.html
index 8a86726a2bd2..c19da89bbe09 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-016.html
index bcfaca7c87d1..772d0eab4a9e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-lr-016.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#propdef-justify-self">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-001.html
index 54b232074a6e..7743374b6410 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-001.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-002.html
index f889b2ca8289..28314cad2bbb 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-002.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-003.html
index 853c3444ee04..6cb323392fd2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-003.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-004.html
index ce54c52769ab..6b0cc055184e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-004.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-005.html
index 4d39f5fad44e..c7cdd9c71993 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-005.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-006.html
index e4cfbe4d2a8d..e26fc4e2095b 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-006.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-007.html
index ece3828d2b61..a9485c1004c1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-007.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-008.html
index 90952f215752..748a22c3610a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-008.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-009.html
index d6029e9f08f6..5d94f3613ea7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-009.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-010.html
index f988c6b8fa15..1e6e248358b9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-010.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-011.html
index 5e42331a36ed..d854595bb09d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-011.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-012.html
index 382355e53e75..56736a9090b1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-012.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-013.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-013.html
index 2a9150ed5a45..01ba6a161d7a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-013.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="Orthogonal grid items with 'stretch' value for align-self and/or justify-self are stretched along the column and/or row axis respectively; they will be sized as fit-content otherwise.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-014.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-014.html
index 464951f5c31d..5f3019a68e91 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-014.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-014.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis respect their defined margin-box's boundaries.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-015.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-015.html
index 9099e98a87e5..c311352a644a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-015.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-015.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined border-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-016.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-016.html
index 7e9260f65b46..67746851e9fa 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-016.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-alignment-stretch-vertical-rl-016.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-justify-self-stretch">
 <link rel="help" href="https://drafts.csswg.org/css-align/#valdef-align-self-stretch">
 <meta name="assert" content="The stretched orthogonal grid items along the column and/or row axis include their defined padding-box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-001.html
index 79dd1d435067..5b6f6ef31cdd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-001.html
@@ -12,6 +12,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Grid items with relative size in the inline or block axis and an intrinsically-sized column or row respectively, don't participate in baseline alignment in the, row-like or column-like respectively, shared alignment context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .inline-grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-002.html
index 3232913cb132..16edc3cad05f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-002.html
@@ -12,6 +12,7 @@
 <link rel="stylesheet" href="../../support/grid.css">
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Grid items orthogonal to the Baseline Context along the inline or block axis and an intrinsically-sized column or row respectively, don't participate in baseline alignment in the, row-like or column-like respectively, shared alignment context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .inline-grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-003.html
index 5ffacfdb2b45..da861d017e93 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/grid-self-baseline-not-applied-if-sizing-cyclic-dependency-003.html
@@ -13,6 +13,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="assert" content="Items not participating in baseline may later participate if there is an extra pass of the track sizing algorithm.">
 <!-- https://github.com/w3c/csswg-drafts/issues/3046 -->
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-001.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-001.html
index a7d69063189d..5b2ecaaab06b 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on a fixed grid.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-002.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-002.html
index 48956dd3c4e8..fb4e3f1a4c47 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-002.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on fixed-sized grid and content-distribution.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-003.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-003.html
index e4ea440ac9ed..c06394ad5868 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-003.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on fixed-sized grid and empty items .">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-004.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-004.html
index 5730701bd1be..e882ea9a9c13 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-004.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on auto-sized grid.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-005.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-005.html
index 63057b22c1de..8c91c67a9e43 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-005.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on auto-sized grid and gutters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-006.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-006.html
index 4e0eae404b91..ed3449babed0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-006.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Column-Axis Self-Baseline alignment may change grid area height on auto-sized grid and empty items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-007.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-007.html
index 6fcd35631ed0..4b854119b79a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-007.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-007.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on fixed-sized grid.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-008.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-008.html
index 9aee9b3f5154..6eb65039e2b2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-008.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-008.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on fixed-sized grid and content-distribution.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-009.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-009.html
index 155a20c0771d..a173d290ea5a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-009.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-009.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on fixed-sized grid and empty items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-010.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-010.html
index 6333bf3f73bd..0c1c1dbb360d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-010.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-010.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on auto-sized grid.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-011.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-011.html
index 4f54208ade1d..dba173a4396a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-011.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-011.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on auto-sized grid and gutters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-012.html b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-012.html
index db7d45e412b2..ff5903459ba3 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-012.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/alignment/self-baseline/grid-self-baseline-changes-grid-area-size-012.html
@@ -7,6 +7,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-by-baseline">
 <link rel="match" href="../../../reference/ref-filled-green-100px-square.xht">
 <meta name="assert" content="Row-Axis Self-Baseline alignment may change grid area width on auto-sized grid and empty items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .block, .grid { font: 10px/1 Ahem; }
 .big { font-size: 20px; }
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-change-fit-content-argument-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-change-fit-content-argument-001.html
index 9441b0a439e1..905ad60ac846 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-change-fit-content-argument-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-change-fit-content-argument-001.html
@@ -7,6 +7,7 @@
 <meta name="assert" content="This test checks that grid-template-{rows|columns} with fit-content() tracks recomputes the tracks when the fit-content() argument is modified.">
 <meta name="flags" content="ahem">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   width: fit-content;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-001.html
index cdae02a8debf..383c804a07c8 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-001.html
@@ -7,6 +7,7 @@
 <meta name="assert" content="This test checks that percentage rows on grid containers with indefinite height are treated as 'auto' to compute the intrinsic height, but are later resolved against the intrinsic height during layout.">
 <meta name="flags" content="ahem">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-002.html
index 8285a91d8ba5..ce191b6bc550 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-percentage-rows-indefinite-height-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#track-sizing">
 <meta name="assert" content="This test checkds that when we have percentage rows in indefinite height grid containers, we need to do a second pass of the track sizing algorithm to get the expected results.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-support-repeat-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-support-repeat-002.html
index 1bdc24d9dd00..9d1fefb0c3cf 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-support-repeat-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-support-repeat-002.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#repeat-notation" title="5.1.2 Repeating Rows and Columns: the 'repeat()' notation">
 <meta name="assert" content="This test checks that 'grid-template-columns' and 'grid-template-rows' properties support 'repeat()' notation, and that their declared value serializes correctly.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #grid {
   display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001-ref.html
index f90bd047993e..c4ec1ffb1b22 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001-ref.html
@@ -5,6 +5,7 @@
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="stylesheet" href="support/grid.css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   justify-content: start;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001.html
index c594d805e64c..1da3fe5c866e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-columns-fit-content-001.html
@@ -8,6 +8,7 @@
 <meta name="assert" content="This test checks that 'fit-content()' works as expected in grid-template-columns, i.e., it's similar to 'auto' ('minmax(auto, max-content)') except that the growth limit is clamped at the argument of 'fit-content' (if greater than the 'auto' minimum).">
 <meta name="flags" content="ahem">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   justify-content: start;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001-ref.html
index a6785fcb12f9..23d74e9af978 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001-ref.html
@@ -5,6 +5,7 @@
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="stylesheet" href="support/grid.css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   justify-content: start;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001.html
index 293196032e19..a083330cb34c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-definition/grid-template-rows-fit-content-001.html
@@ -8,6 +8,7 @@
 <meta name="assert" content="This test checks that 'fit-content()' works as expected in grid-template-rows, i.e., it's similar to 'auto' ('minmax(auto, max-content)') except that the growth limit is clamped at the argument of 'fit-content' (if greater than the 'auto' minimum).">
 <meta name="flags" content="ahem">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   justify-content: start;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-001.html
index 4be8783f8e8f..09703be7f875 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-001.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that inline grid container children become grid items, and text that is directly contained inside the inline grid is wrapped in an anonymous grid item.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-002.html
index 0971433d7240..f95c441d7a43 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-002.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that the grid items do not split around blocks creating extra items within an inline grid.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-003.html
index ddbec625d0ba..8758a6a2d1ac 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#grid-items" title="4 Grid Items">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-inline-blocks-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-inline-blocks-001.html
index 5eef1ff69b82..7a7ac5cba934 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-inline-blocks-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-items-inline-blocks-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="9.5 Z-axis Ordering: the z-index property">
 <link rel="help" href="http://www.w3.org/TR/CSS2/zindex.html#painting-order" title="E.2 Painting order">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-001.html
index 86ec8c2f9b82..5367ada1297b 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-002.html
index cd5fb6a1a74e..13f7c340fb18 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-003.html
index e2f38098e528..1cf446cf1070 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-003.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-004.html
index cb3e907e6faa..3e9d6aba87e9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-004.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-005.html
index 56c931453ba6..2dd1b379e8fd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-auto-placement-005.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-001.html
index a15a41897c5e..00236a4c5c02 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-002.html
index 1e9845d99714..ffcb8c713428 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-003.html
index 5e10ba149cd0..e24cde00d685 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-003.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-004.html
index 57777cc9b91c..34cbce8fb13d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-004.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-005.html
index 7819115d4d6c..4ab1c4a46541 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-order-property-painting-005.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-001.html
index 96c416635ebf..5fa16a50f7ae 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-002.html
index c2d3a3592064..b6a59c0b22ff 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-003.html
index 8c3ef546b423..85d8425e3117 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-004.html
index 977133512e0f..a1c84150a634 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-005.html
index 2aaf6ced23b4..c7ac09bfd141 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-001.html
index eecdccdfd5a1..dcea53174fd8 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-002.html
index 7d17b6d86e3f..6f360e8a6a98 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-003.html
index ff3379b50095..10ace57ce473 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-004.html
index 72ef1688ef6a..5c61954895cd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-005.html
index 3fd60ad1efdd..271f4c01b142 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-006.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-006.html
index 17a2e4eb3b1b..87ed91cd7936 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-inline-z-axis-ordering-overlapped-items-006.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #inline-grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-001.html
index 99701de8a365..fc9b27be4d1e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-001.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that grid container children become grid items, and text that is directly contained inside the grid is wrapped in an anonymous grid item.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-002.html
index 23f5eff78fb1..dbb67db8591a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-002.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that the grid items do not split around blocks creating extra items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-003.html
index 247e2d9a43d5..1cfcbc563d96 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#grid-items" title="4 Grid Items">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-inline-blocks-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-inline-blocks-001.html
index 4b15d0b89528..2824bc593541 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-inline-blocks-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-inline-blocks-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="9.5 Z-axis Ordering: the z-index property">
 <link rel="help" href="http://www.w3.org/TR/CSS2/zindex.html#painting-order" title="E.2 Painting order">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-001.html
index 118440912de1..8ef91b3fb87f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a fixed size track).">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-002.html
index b056d3edf531..e45530b2fd4a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min).">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-001.html
index 82df77ffca78..aa0ff9698587 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a fixed size track) in a vertical-lr grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-002.html
index 168eeaf28c24..2f7724c04e43 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-lr-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min) in a vertical-lr grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-001.html
index 415a07df1724..efac5c6aa280 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a fixed size track) in a vertical-rl grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-002.html
index 6f3db26275c8..6da1d723a753 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-margins-vertical-rl-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage margins are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min) in a vertical-rl grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-001.html
index 3989d8f5c69a..bf083d3ff7cc 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a fixed size track).">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-002.html
index a358b38b3d97..3175469fb083 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min).">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-001.html
index 21ed53a2c708..6ad624a0a262 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a fixed size track) in a vertical-lr grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-002.html
index d4d8aa29d7ad..9a3f3f13ddc8 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-lr-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min) in a vertical-lr grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-001.html
index 010f4b5fbd23..49459a708948 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a fixed size track) in a vertical-rl grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-002.html
index bf38155e16f2..3fa9766b2a7e 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-items-percentage-paddings-vertical-rl-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#item-margins">
 <meta name="assert" content="Checks grid items percentage paddings are resolved against the inline size of their grid area (in a track with fixed max sizing function and intrinsic min) in a vertical-rl grid container.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-001.html
index 46abffd960a1..2965fd8fb15f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-001.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that minimum size for grid items is the content size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-013.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-013.html
index 85e18cdf2c42..813f4a15a833 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-013.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-013.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Checks that automatic minimum size is not clamped if the grid item has not stretch alignment.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-021.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-021.html
index 136872fafc1f..922223ae4452 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-021.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-021.html
@@ -7,6 +7,7 @@
 <meta name="assert" content="Checks how automatic minimum size of images affect to the calculation of the grid container size and the grid tracks. Verifies the sizing of the image in the different cases too.">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   .grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-022.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-022.html
index ce1db93080a6..577d2baed284 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-022.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-022.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#min-size-auto" title="6.5. Implied Minimum Size of Grid Items">
 <meta name="assert" content="Checks that automatic minimum size is clamped with different column sizes.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   border: solid thick;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-023.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-023.html
index c5e6da558878..972b6e7afed0 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-023.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-023.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#min-size-auto" title="6.5. Implied Minimum Size of Grid Items">
 <meta name="assert" content="Checks that automatic minimum size is clamped with different row sizes.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   border: solid thick;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-024.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-024.html
index c77556cfc2e7..e6acf16d35cb 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-024.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-024.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#min-size-auto" title="6.5. Implied Minimum Size of Grid Items">
 <meta name="assert" content="Checks that automatic minimum size is clamped with different column sizes and spaning items.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   border: solid thick;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-025.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-025.html
index a3c35a5a3703..3608eb50c7ad 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-025.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-minimum-size-grid-items-025.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#min-size-auto" title="6.5. Implied Minimum Size of Grid Items">
 <meta name="assert" content="Checks that automatic minimum size is clamped with different row sizes and spaning items.">
 <link rel="stylesheet" href="support/grid.css">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   border: solid thick;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-001.html
index 8928fa1a4204..22ed4957f679 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-002.html
index 3482592b5b89..9ec9809ccd47 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-003.html
index 811b1d90d0ad..b40f3101d025 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-003.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-004.html
index 83e62fdf1623..f606c6967350 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-004.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-005.html
index cf994128d35f..f787f0e77042 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-auto-placement-005.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../reference/grid-2x2-blue-yellow-lime-magenta.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-001.html
index df6a0f5c8689..9f9267a79649 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-002.html
index 0429c6fe4b52..91093e83a646 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-003.html
index 8dc22cfb13fd..5c3e68e805e6 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-003.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-004.html
index 209b8fbc4c83..7b2849b0e067 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-004.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-005.html
index 3262ce13fabe..be09be68a794 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-order-property-painting-005.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#order-property" title="5.4. Display Order: the order property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-001.html
index 767b9e1b67d7..52ad190afddc 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-002.html
index 95fa74429194..551137965d20 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-003.html
index 853b5f57e732..1934144660f2 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-004.html
index 25447a42fe86..2defd235d10c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-005.html
index 2a08020ffe37..4bc7e116d803 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-001.html
index 54a0854b4910..76e379cb538d 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-002.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-002.html
index c1120880aa3d..16a482136421 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-003.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-003.html
index c604b2babb3c..46317b1987f9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-004.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-004.html
index 1abf2ca0bea8..74b8ec020990 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-005.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-005.html
index 359831dc6be1..bae5b238c687 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-005.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-006.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-006.html
index 1a7afa8fd643..3424d0c86b65 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-006.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-z-axis-ordering-overlapped-items-006.html
@@ -5,6 +5,7 @@
 <link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property">
 <link rel="match" href="../reference/grid-filled-blue-yellow-green-overlapped-100px-squares.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #grid {
     display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-items/percentage-size-subitems-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/grid-items/percentage-size-subitems-001-ref.html
index 939504e81d27..bba5f7d282fe 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-items/percentage-size-subitems-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-items/percentage-size-subitems-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Refttest Reference: Percentage size on child of a grid item with margin, border, padding and scrollbar</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001-ref.html
index f304cedfeaba..a40a1ea25c5c 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS container Layout Test Reference</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   .container {
     font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001.html
index b4ecd188db70..80a8cd117e71 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-container-scrollbar-001.html
@@ -6,6 +6,7 @@
 <link rel="match" href="grid-container-scrollbar-001-ref.html">
 <meta name="assert" content="This test verifies that scrollbars are properly painted on grid containers, and are shown in the expected position depending on the direction.">
 <link href="support/grid.css" rel="stylesheet">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   .grid {
     font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-display-grid-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-display-grid-001.html
index 732d67c8ec1a..3599aa960416 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-display-grid-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-display-grid-001.html
@@ -7,6 +7,7 @@
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="This test checks that 'grid' value for 'display' property generates a block level containing box.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-inline-vertical-align-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-inline-vertical-align-001.html
index d37b87750282..7dbf11c7aee7 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-inline-vertical-align-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-inline-vertical-align-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-vertical-align" title="10.8.1 Leading and half-leading">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-vertical-align-001.html b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-vertical-align-001.html
index 209b6b263a0d..3536b3a8a047 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-vertical-align-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/grid-model/grid-vertical-align-001.html
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-vertical-align" title="10.8.1 Leading and half-leading">
 <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #reference-overlapped-red {
     position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-001.html
index c1ae11feee9b..d014a22e7a0f 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-001.html
@@ -8,6 +8,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Content Distribution on the inline-axis may affect to the row track's size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-002.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-002.html
index 14ad64d7a087..150077fbed52 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-002.html
@@ -8,6 +8,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Content Distribution on the block-axis may affect to the column track's size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-003.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-003.html
index 2ba9671f24dc..052fee13e71a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-003.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-003.html
@@ -8,6 +8,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Content Distribution offset doesn't account for tracks with non-spanning items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-004.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-004.html
index e6de4730a6d2..611c4b38da66 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-004.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-content-distribution-must-account-for-track-sizing-004.html
@@ -8,6 +8,7 @@
 <link rel="stylesheet" href="../../support/alignment.css">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Content Distribution offset doesn't account for relative sized tracks with non-spanning items.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-001.html
index 25d236cebc65..d8e6daff9271 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid/#gutters">
 <link rel="help" href="https://drafts.csswg.org/css-grid/#algo-find-fr-size">
 <meta name="assert" content="This test checks that the size of flexible tracks is properly computed when you have gaps (with and without spanning items).">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-002.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-002.html
index 340fe82cfd28..1e9a42d90fbe 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-002.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-find-fr-size-gutters-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid/#gutters">
 <link rel="help" href="https://drafts.csswg.org/css-grid/#algo-find-fr-size">
 <meta name="assert" content="This test checks that the size of flexible tracks is properly computed when the grid container is content based and you have items spanning flexbile tracks that are smaller than the gutter sizes.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html
index 9fb0f4ffa1c0..109795664784 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-grid-1/#algo-overview">
 <link rel="help" href="https://drafts.csswg.org/css-writing-modes-4/#establish-an-orthogonal-flow">
 <meta name="assert" content="The test checks that using track's max sizing function to estimate orthogonal items' block-axis size to compute the grid's intrinsic size may lead to content overflow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .grid {
     display: inline-grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-filled-shrinkwrap-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-filled-shrinkwrap-001.html
index 92c3bc2bad70..8402238f2bbe 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-filled-shrinkwrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-filled-shrinkwrap-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="references/grid-percent-cols-filled-shrinkwrap-001-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-spanned-shrinkwrap-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-spanned-shrinkwrap-001.html
index 33c1650eedbb..ec84108cf105 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-spanned-shrinkwrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-cols-spanned-shrinkwrap-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="references/grid-percent-cols-spanned-shrinkwrap-001-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-filled-shrinkwrap-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-filled-shrinkwrap-001.html
index 58ab6a31bb12..a55c24f77dd5 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-filled-shrinkwrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-filled-shrinkwrap-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="references/grid-percent-rows-filled-shrinkwrap-001-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-spanned-shrinkwrap-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-spanned-shrinkwrap-001.html
index 545d0a28c15f..0c51f08f8207 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-spanned-shrinkwrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-percent-rows-spanned-shrinkwrap-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="references/grid-percent-rows-spanned-shrinkwrap-001-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-filled-shrinkwrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-filled-shrinkwrap-001-ref.html
index bf1b9b7e8d63..97bc5da7256a 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-filled-shrinkwrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-filled-shrinkwrap-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-spanned-shrinkwrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-spanned-shrinkwrap-001-ref.html
index c1b69af23a30..37d516ee2815 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-spanned-shrinkwrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-cols-spanned-shrinkwrap-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-filled-shrinkwrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-filled-shrinkwrap-001-ref.html
index ee66077064c1..2c756ba8bcd1 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-filled-shrinkwrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-filled-shrinkwrap-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-spanned-shrinkwrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-spanned-shrinkwrap-001-ref.html
index ef6c78f99a95..8d09dc1a69dd 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-spanned-shrinkwrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/references/grid-percent-rows-spanned-shrinkwrap-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
     .grid {
         display: grid;
diff --git a/tests/wpt/web-platform-tests/css/css-grid/reference/grid-2x2-blue-yellow-lime-magenta.html b/tests/wpt/web-platform-tests/css/css-grid/reference/grid-2x2-blue-yellow-lime-magenta.html
index 1f325f37a2cd..1ea45f8585a9 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/reference/grid-2x2-blue-yellow-lime-magenta.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/reference/grid-2x2-blue-yellow-lime-magenta.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Grid Layout Test: Reference file 2x2 grid and cells with the following colors: blue, yellow, lime and magenta</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-001.html b/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-001.html
index 6d8877e7632b..694965241a4c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-001.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-001.html
@@ -20,6 +20,7 @@
   <meta name="flags" content="">
   <meta content="This test verifies how content is distributed among columns when the height of a multi-column container is constrained and when 'column-fill' is set to 'auto'. In this test, the line box height is exactly 25px. So, content should fill 4 lines of the first column and should only fill up the first column. Since column rules are only drawn between two columns that both have content and since the test expects only 1 column filled with content, therefore the column rule should not be painted, thus the 'no red' test success condition." name="assert">
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-002.html b/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-002.html
index 7d156b2d0cfd..8a6bd9579112 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-002.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/columnfill-auto-max-height-002.html
@@ -20,6 +20,7 @@
   <meta name="flags" content="">
   <meta content="This test verifies how content is distributed among columns when the height of a multi-column container is constrained and when 'column-fill' is set to 'auto'. In this test, the line box height is exactly 25px. So, content should fill 4 lines of the first column and should only fill up the first column. Since column rules are only drawn between two columns that both have content and since the test expects only 1 column filled with content, therefore the column rule should not be painted, thus the 'no red' test success condition." name="assert">
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-001.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-001.html
index fca3ef47b7e4..e3da1a9fd7c1 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-001.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-001.html
@@ -11,6 +11,7 @@
 	<meta name="flags" content="ahem"/>
 	<link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact">
 
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style type="text/css">
 		.multicol-wrapper>*{
 			font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-002.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-002.html
index 1c4b8f93feec..f325b85ee1b3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-002.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-002.html
@@ -11,6 +11,7 @@
 	<meta name="flags" content="ahem"/>
 	<link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact">
 
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style type="text/css">
 		.multicol-wrapper>*{
 			font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-003.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-003.html
index 94cafd39c21a..814d1e7cd82c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-003.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-003.html
@@ -11,6 +11,7 @@
 	<meta name="flags" content="ahem"/>
 	<link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact">
 
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style type="text/css">
 		.multicol-wrapper>*{
 			font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-004.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-004.html
index 69b413ff0422..4d8082611936 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-004.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-basic-004.html
@@ -11,6 +11,7 @@
 	<meta name="flags" content="ahem"/>
 	<link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact">
 
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style type="text/css">
 		.multicol-wrapper>*{
 			font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-001.xht
index d9dd34cfe214..239ecfe74e75 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-block-no-clip-001-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content in the normal flow that extends into column gaps is not clipped in the middle of the column gap." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-002.xht
index 55934ed234c1..52439d2b849d 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-block-no-clip-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-block-no-clip-002-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content in the normal flow that extends into column gaps is not clipped in the middle of the column gap." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000-ref.xht
index 28400cff5a23..ae647a1998e3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem image" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000.xht
index 93e2ba6f0af3..c4deb31adecd 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-break-000-ref.xht" />
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="This test checks that basic support of 'break-after: column'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test, div#reference
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001-ref.xht
index f75351809650..fa02d3376e52 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-09-14 -->
   <meta name="flags" content="ahem image" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001.xht
index a03667411ac8..432f7c5fdec0 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-break-001.xht
@@ -7,6 +7,7 @@
   <link rel="match" href="multicol-break-001-ref.xht" />
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="This test checks that basic support of 'break-before: column'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test, div#reference
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-001.xht
index f6fae8477f02..c754b98b3056 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-clip-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content in the normal flow can extend into column gap. In this test, the 'l' and 'c' glyphs are painted into the left half of the column gap; the 'l' and 'e' glyphs extend outside the last column box at the edge of the multi-column and are therefore rendered thanks to the default 'overflow: visible' declaration." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-002.xht
index 15f2fbc7abbb..6b97ad4811e7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-clip-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-clip-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content in the normal flow can extend into column gap before it reaches its middle. In this test, the 'l' and 'c' glyphs are painted into the left half of the column gap; the 'l' and 'e' glyphs extend outside the last column box at the edges of the multi-column and are therefore hidden thanks to the 'overflow: hidden' declaration." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-collapsing-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-collapsing-001.xht
index 268890d5d544..a7d2f3717f4b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-collapsing-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-collapsing-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-collapsing-001-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the top margin of the first child block box of a multicol element does not collapse with the margin top of such multicol element." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001-ref.xht
index 2b78ec6af804..7bc99320c7c3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-07-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001.xht
index c1fe55cfda15..ed12b0629a6e 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: 100px 6' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-002.xht
index ce664a518e3f..9436ec8d90ba 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: 6 100px' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-003.xht
index 360af6072ee4..70128175e328 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: 100px auto' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-004.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-004.xht
index 9a025f055798..0d1cf23b6643 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-004.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: auto 100px' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-005.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-005.xht
index 62916cb2c177..deb91bf4b653 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-005.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: 6' shorthand correctly set 'column-width' and 'column-count' properties. 'columns: 6' is equivalent to 'column-width: auto' and 'column-count: 6'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-006.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-006.xht
index e6ad78493d60..0fee6ab2184f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-006.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: 6 auto' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-007.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-007.xht
index 2fc713dd323a..25da9e8e92c9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-007.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'columns: auto 6' shorthand correctly set 'column-width' and 'column-count' properties." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-001.xht
index 7b52c36426a1..48e237564628 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that 'columns: 8 normal' is invalid (generating a parsing error) and therefore will be ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-002.xht
index 74589e1d5096..eea0de53f15c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-invalid-002.xht
@@ -16,6 +16,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that 'columns: 8 auto 6em' is invalid (generating a parsing error) and therefore will be ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-toolong-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-toolong-001.xht
index c2df62730a69..c7330c8d5432 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-toolong-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-columns-toolong-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks the rendering of inline content (2em) inside wider (3em) column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-001.xht
index 2f33d14f2327..1b83f5431ea0 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-containing-001-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a column box does not establish containing block for elements with 'position: absolute'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002-ref.xht
index 5c27bf526a22..f6bf523bc51c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#inline-block
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002.xht
index 18d957ec911a..56d42c70ae7f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-002.xht
@@ -7,6 +7,7 @@
   <link rel="match" href="multicol-containing-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a multi-column element can establish containing block for elements with 'position: absolute'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-001.xht
index 752d9ff1d9ee..eb3272f9a4e6 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that setting 'column-count' should accordingly create 6 column boxes. In this test, each column box should be exactly 100px wide." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {width: 600px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002-ref.xht
index f764c7cf99e9..977b5637d572 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-07-27 -->
   <meta name="flags" content="image" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002.xht
index 8e0520446076..b8fb6b50adb0 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that setting 'column-count' should accordingly create 4 column boxes. In this test, each column box should be exactly 5em wide." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html {background-color: white;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-003.xht
index 47e6f9407968..96a1e477d928 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-computed-003-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if one of 2 adjacent column boxes (2nd and 3rd colum box in this test) does not have any content, then the column rule separating those should not be drawn. In this test, the 3rd colum box should have no inline content. This test also checks that inline content in the normal flow that extends into a column gap should not be clipped in the middle of the column gap. So, in this test, inline content in 1st column box should not be clipped and should overlappe partially the 1st column-rule." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-004.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-004.xht
index b7b950d291e5..90f4ac0ebbd9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-004.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-computed-004-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if 'column-width' is 'auto' and if 'column-count' is 'auto', then such element will not behave like a multi-column element and column-gap and column-rule declarations will be ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-005.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-005.xht
index ae2c77e242cb..ed89dc8ddb88 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-computed-005.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-computed-003-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if one of 2 adjacent column boxes (2nd and 3rd colum box in this test) does not have any content, then the column rule separating those should not be drawn. In this test, the 3rd colum box should have no inline content. This test also checks that inline content in the normal flow that extends into a column gap should not be clipped in the middle of the column gap. So, in this test, inline content in 1st column box should not be partially clipped and should overlap partially with the 1st column-rule." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-001.xht
index ddcacf187ed8..98bfd027e9b2 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a specified negative 'column-count' value is invalid and ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-002.xht
index ae01c1743b3e..17911b5095ee 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-negative-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a specified 0 'column-count' value is invalid and ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-001.xht
index 7b378726f55c..cfa54f312f60 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a specified real 'column-count' value is invalid and ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-002.xht
index 99b5d793f8d8..93680119936e 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a specified real 'column-count' value is invalid and ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-003.xht
index 41239d104257..6c94be987756 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-count-non-integer-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-columns-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a specified real 'column-count' value is invalid and ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000-ref.xht
index f7c6f8865273..c68a7a61d2de 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000.xht
index 9fede47066d0..79af1cbbf8ba 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-fill-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content is balanced into all columns thanks to 'column-fill: balance'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.test, table#reference
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001-ref.xht
index a23c3a7521dd..9dea7ef075d6 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001.xht
index 3ae55ac7da76..3cd79ccbee77 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-fill-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that content is balanced into all columns of a multi-column element with a set height thanks to 'column-fill: balance'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test, table#reference
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001-ref.xht
index fcffb963135e..820fe01bfee9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-07-30 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001.xht
index 1a6c3ffb77db..d5990a3ffc02 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-fill-auto-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-fill: auto' fills the column boxes of a multi-colum element sequentially with inline content and does not bother about balancing content of column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002-ref.xht
index a49b6749fe61..e1e10f68f5da 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002-ref.xht
@@ -5,6 +5,7 @@
 <title>multicolumn | column-fill-auto</title>
 <link rel="author" title="howcome@opera.com" href="http://www.opera.com/"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002.xht
index 7dbf6f7523b4..98c14f9ac581 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-002.xht
@@ -8,6 +8,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#filling-columns"/>
 <link rel="match" href="multicol-fill-auto-002-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003-ref.xht
index 18c5c0015729..66ad45d4a22d 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-01 -->
   <meta name="flags" content="ahem image" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div {font: 1.25em/1 Ahem;}
   img {vertical-align: top;}
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003.xht
index 7388bc494109..df9e82f9c4f9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-auto-003.xht
@@ -7,6 +7,7 @@
   <link rel="match" href="multicol-fill-auto-003-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks if inline content fills column boxes sequentially when 'column-fill' is set to 'auto'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001-ref.xht
index bb61ec1cf1da..48b4dd46f02b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001-ref.xht
@@ -5,6 +5,7 @@
 <title>multicolumn | column-fill</title>
 <link rel="author" title="howcome@opera.com" href="http://www.opera.com/"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001.xht
index be0136fa3c56..3c6825a36443 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-001.xht
@@ -8,6 +8,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#filling-columns"/>
 <link rel="match" href="multicol-fill-balance-001-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000-ref.xht
index be8bb7f723a7..81df271de758 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000.xht
index 06ae9c7f97ac..88aa17e8b488 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that column gap appears between two columns." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-001.xht
index ce5d4c6dbe7f..7a105b7f1977 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the 'normal' column gap is 1em." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-002.xht
index e1539486ed51..1ad53340435e 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-002.xht
@@ -7,6 +7,7 @@
   <link rel="help" href="http://www.w3.org/TR/css3-multicol/#column-gap" title="4.1. 'column-gap'" />
   <link rel="match" href="multicol-gap-002-ref.xht" />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-003.xht
index 33011b87ecf6..39b7bc4f0e11 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-003.xht
@@ -7,6 +7,7 @@
   <link rel="help" href="http://www.w3.org/TR/css3-multicol/#column-gap" title="4.1. 'column-gap'" />
   <link rel="match" href="multicol-gap-002-ref.xht" />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001-ref.xht
index 10c2e0984c57..b668f4ddaa67 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-05 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001.xht
index 6f9f252bbae7..a1614ec2b7c5 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-fraction-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-fraction-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test checks that increasing column gaps display consistently" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-001.xht
index 442befcd89bc..5dd1a90691b9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-large-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that when 'column-gap' is large and when used 'column-width' is narrow, then content extends into column-gap and content can extend, overflow outside the edges of the multi-colum element if 'overflow' is set to 'visible'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-002.xht
index 2aef1cbcca20..8e3be322efc2 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-large-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-large-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a large column-gap is supported. We should have two 3.5em columns with a 4em gap between them." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-negative-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-negative-001.xht
index c91b6970c236..b25010678888 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-negative-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-negative-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-gap-002-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="asset" content="Test checks that a negative value is not allowed for column-gap" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-percentage-001.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-percentage-001.html
index b086eba2b5e7..4cd0f42bcae8 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-percentage-001.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-gap-percentage-001.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <link rel="help" href="https://www.w3.org/TR/css-multicol-1/#column-gap">
 <meta name="assert" content="This test checks the behavior of precentage column-gap in different situations depending on the multicol container size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .multicol {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-001.xht
index 5fff0713e32c..821cfd6ca96c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-height-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that length of column rules is equal to the length of the columns and if a nth column box overflows outside the available width of a multi-column element, then an (n-1)th column rule should be drawn. In this test, a 3rd column box is created outside the content edge of the multi-column element: therefore, a 2nd blue column rule should be drawn accordingly." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001-ref.xht
index b238d5c94f2d..6b3689698115 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-08 -->
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <meta name="flags" content="image" />
  </head>
  <body>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001.xht
index b62d92eee534..3d62176ec36c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-height-block-child-001.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-height-block-child-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a nested multi-column element's inline content could be clipped horizontally." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-001.xht
index c8fbab6fd932..3d778b9fce28 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-001.xht
@@ -7,6 +7,7 @@
   <link rel="help" href="http://www.w3.org/TR/css3-multicol/#the-number-and-width-of-columns" />
   <link rel="match" href="multicol-inherit-001-ref.xht" />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-002.xht
index 20e0c9de44ee..cd3ccc6106e1 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-002.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-inherit-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-count' can be inherited by setting it with the CSS-wide keyword 'inherit'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-003.xht
index 42f0b12adfdd..4fead557ce43 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-003.xht
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#the-number-and-width-of-columns"/>
 <link rel="match" href="multicol-inherit-3-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	width: 75em;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-3-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-3-ref.xht
index 8ab11de76d60..58ec1c8d89d8 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-3-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-inherit-3-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | inheritance</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	width: 75em;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-list-item-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-list-item-001.xht
index 86e9ef17356e..8d32ac31bc49 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-list-item-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-list-item-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-list-item-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that an unordered list of list items can be set to display its list-items in column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   ul
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-001.xht
index 8732bb4b4e9a..dccf78f43d27 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the margin-top of the first child of a multi-column element (with column-fill: auto) does not collapse with its parent." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-multi-column-red
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-002.xht
index 8a91cd1f6b7b..94c065d8f8b9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the margin-top of the first child (an inline-block) of a multi-column element (with column-fill: balance) does not collapse with its parent." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-multi-column-red
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-003.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-003.html
index b509d2eed75a..b9df995de062 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-003.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-003.html
@@ -8,6 +8,7 @@
   <link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
   <meta name="assert" content="This test checks the margin-bottom of the last child of a multi-column should not affect its parent's margin-bottom.">
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   article {
     font: 25px/25px Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-child-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-child-001.xht
index 7252d8f192a7..919faec6b743 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-child-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-margin-child-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-margin-child-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the margin-bottom of a block child in a multi-column element will collapse with the margin-top of a following block child of that same multi-column element if those children are vertically adjacent and if no line boxes, no clearance, no padding and no border separate them." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-002.xht
index 238f0963de1d..d125ef6e4436 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-nested-002-ref.xht" />
   <meta name="assert" content="This test checks that a block container element's margin-bottom can collapse with its multi-column parent's margin-bottom if no line boxes, no clearance, no padding and no border separate them." />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 0em;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-005.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-005.xht
index cf1f9a184127..943162e0ec4a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-005.xht
@@ -14,6 +14,7 @@
   -->
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks how the height of column boxes conditions the height of nested column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001-ref.xht
index 495ca5d52e4f..413980be25fb 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001-ref.xht
@@ -4,6 +4,7 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-09 -->
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <meta name="flags" content="" />
  </head>
  <body>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001.xht
index 78fde1fbf9e5..9287f2679ec3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-column-rule-001.xht
@@ -13,6 +13,7 @@
   <link rel="match" href="multicol-nested-column-rule-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks how the height of column boxes conditions the height of column rule." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-001.xht
index 8f4ce7991a0d..52097c7f91bb 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-nested-margin-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that non-zero vertical margins can be applied on a multi-column element while the vertical margins of its own block containers can be set to zero." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 0em;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-002.xht
index 6107db9daea5..02dbb5331e3c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-002.xht
@@ -15,6 +15,7 @@
   http://lists.w3.org/Archives/Public/www-style/2013Aug/0146.html
   -->
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 0;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-003.xht
index 6fc248d96eba..73c8e5112de7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-nested-margin-003-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a top margin set on the first child element of a nested multicol element will not collapse with the margins of the multicol element." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-004.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-004.xht
index d9966d4e6c29..bd8dc51acd56 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-004.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-nested-margin-004-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that due to a top margin only set on the first child element of a nested multicol element that will not collapse with the margins of the multicol element, then the height of an multi-column element can make its other inner multi-column (with a zero margin-top) element break into its own column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-005.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-005.xht
index 98f461c75665..b32a3efcdd97 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-nested-margin-005.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-nested-margin-004-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that due to a top margin only set on the first child element of a nested multicol element that will not collapse with the margins of the multicol element, then the height of an multi-column element can make its other inner multi-column (with a zero margin-top) element break into its own column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000-ref.xht
index 8a86c302a25b..29aa736cfdbb 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000.xht
index 3fa9ed51fbb0..1d9080b44e1a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflow-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-overflow-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that column gap appears between two columns." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div, table
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflowing-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflowing-001.xht
index 6479aaeb1e7d..c4130df72992 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflowing-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-overflowing-001.xht
@@ -13,6 +13,7 @@
   <link rel="match" href="multicol-overflowing-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that the content of a multi-column element with a fixed height can overflow outside its fixed width according to the computed overflow value. In this test, the inline content of a multi-column element exceeds the available fixed height and fixed width for the multi-column element; therefore, it overflows outside of it and creates a 4th, 5th and 6th extra column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000-ref.xht
index c34d3f3777ba..6999ffaa3ec6 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-25 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000.xht
index 3c13ef776f65..b979b222467a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-reduce-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-reduce-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that column width is increased to fill the available space: in this test, there are only 2 column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test, div#reference
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000-ref.xht
index ca64df2eb202..a1c8d2e4fb34 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000.xht
index b4010acae322..8c45279f19ac 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-000-ref.xht" />
   <meta name="assert" content="This test checks that the shorthand column-rule property draws the rule correctly." />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001-ref.xht
index 0721f7a22d5f..7913378611b7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001.xht
index 8894f0f27399..45c35dde3616 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="If a column rule is wider than its gap, then the adjacent column boxes overlap the rule. This test checks that if inline content of column boxes uses only 1 twentieth (1/20) of each of the adjacent column box width, then the column rule must shine through 19 twentieths (19/20) of each of the adjacent column boxes (and above their respective backgrounds)." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-002.xht
index 62c6aeb9f470..19d3cbde8ada 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-002.xht
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#column-gaps-and-rules"/>
 <link rel="match" href="multicol-rule-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-003.xht
index a0390bfcce55..3037333ea8d1 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-003-ref.xht" />
   <meta name="assert" content="Tests that the three column-rule-* longhand properties are correctly applied." />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-004.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-004.xht
index 6553c81626aa..d06496881e2e 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-004.xht
@@ -7,6 +7,7 @@
   <link rel="match" href="multicol-rule-004-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that when 'column-fill: balance' distributes equally inline content into column boxes in a way that does not completely fill column boxes, then column-rule must nevertheless still be painted entirely, that is for the whole length of column boxes, even though the whole inline content may not fill the whole length of the column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-001.xht
index 94015bb4482d..fa49c88556b7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-color-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Basic test that the column-rule-color property is applied." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-001.xht
index bc26f480038b..a675b799b118 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-001.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-rule-color-inherit-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that, by default, column-rule-color is the current color applying to the element unless reserved keyword 'inherit' is used in which case column-rule-color will be inherited from the parent's column-rule-color value." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#parent
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-002.xht
index 861f71615c8d..988bbbc8ca9e 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-color-inherit-002.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-rule-color-inherit-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="In this test, div#parent's computed 'column-rule-color' is given by div#parent's 'currentcolor' (a reserved keyword) and not 'red'. Then div.child's 'column-rule-color' take such specified value ('currentcolor') from its parent (due to 'inherit' keyword) and not 'red'. And then, it is applied to div.child's 'column-rule-color'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#parent
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000-ref.xht
index a40ef96418f0..6a4d01266c88 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000.xht
index 09ba93c2ef74..c6d08e053075 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dashed-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-dashed-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Tests that the dashed value of column-rule-style is correctly rendered when used in the shorthand column-rule property." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000-ref.xht
index 6fae5fb235ca..c393a02d6177 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000.xht
index cd903b7c8dda..a669b60b6e40 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-dotted-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-dotted-000-ref.xht" />
   <meta name="assert" content="Tests that the dotted value of column-rule-style is correctly rendered when used in the shorthand column-rule property." />
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000-ref.xht
index 1f17fb9f2492..23ecc6dec345 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000.xht
index aed6522f0bf5..ef97ce12d274 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-double-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-double-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Tests that the double value of column-rule-style is correctly rendered when used in the shorthand column-rule property." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-001.xht
index 201e96fd9a1e..fbbc9fc00e3a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-fraction-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Basic test for the column-rule-width property, checking that values above 0 but below 1 are allowed." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-002.xht
index ba53af00417d..8645f0e32b7d 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-fraction-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if a column rule is wider than its gap, then the column rule will overlap adjacent column boxes above the background of the multi-column element but below the inline content inside the multicol element. In this test, the blue column-rule is painted above the yellow background-color but below (under) the black Ahem glyphs." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-003.xht
index 81bed229aad2..2d2ad7b744ed 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-003.xht
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#column-gaps-and-rules"/>
 <link rel="match" href="multicol-rule-fraction-3-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-3-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-3-ref.xht
index d0e33967d597..94f2b7c5c602 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-3-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-fraction-3-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | column-rule</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000-ref.xht
index 409480830638..8bdfe0a31d23 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000.xht
index 367bd4cc2b03..5f985f90dc30 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-groove-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-groove-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test checks that the value of 'groove' for 'column-rule-style' is drawn correctly." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-hidden-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-hidden-000.xht
index 25c2e6a5c72e..e0a4e6ee9755 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-hidden-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-hidden-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-hidden-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test checks that a column-rule-width value of hidden results in no rule being drawn." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-inset-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-inset-000.xht
index 41a466bbc514..474ad1986f6f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-inset-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-inset-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-ridge-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="'border-style' values of column-rule are interpreted as in the collapsing border model in which case 'inset' value is drawn the same as 'ridge'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-001.xht
index d2c0e4ce2264..eb74b4e1ab17 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-001.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-rule-large-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if a column rule is wider than its gap, then the column rule will overlap adjacent column boxes; its painting will be above background of multi-column element but below the inline content inside the multicol element." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-002.xht
index 87f47b690be6..055a015d7779 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-large-002.xht
@@ -8,6 +8,7 @@
   <link rel="bookmark" href="http://lists.w3.org/Archives/Public/www-style/2013Sep/0006.html" title="[css3-multicol] z-order of column-rule: below or above border?" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that if a column rule is over-excessively wide, even wider than window viewport, then the column rule will exceed the window viewport width but will not generate an horizontal scrollbar since column rules do not take up space." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-none-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-none-000.xht
index b885dade20de..32ca04395778 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-none-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-none-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-hidden-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test checks that a column-rule-width value of none results in no rule being drawn." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-outset-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-outset-000.xht
index dd491db3f078..5aaafc09f7a3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-outset-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-outset-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-groove-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="'border-style' values of column-rule are interpreted as in the collapsing border model in which case 'outset' value is drawn the same as 'groove'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-percent-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-percent-001.xht
index 7cbc4e0f8324..bd54a9f4ef25 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-percent-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-percent-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-containing-002-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that the column-rule-width property does not accept percentage unit in its values." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-px-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-px-001.xht
index a42d451dce52..bdca6c7ca4a4 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-px-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-px-001.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-rule-ref.xht"/>
 <meta name="flags" content="ahem"/>
 <meta name="assert" content="Test checks that a column-rule-width value set in pixels is rendered correctly. The width of the rule should be 16px." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ref.xht
index 808de6f6ba89..beb5f1e747d3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | column-rule</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000-ref.xht
index 2adee7ab3924..db825363aef3 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000.xht
index 6d121cd06741..805cf9da9a7c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-ridge-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-ridge-000-ref.xht" />
   <meta name="flags" content="ahem" />
    <meta name="assert" content="Test checks that the value of 'ridge' for 'column-rule-style' is drawn correctly." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-samelength-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-samelength-001.xht
index 4d6710b2335e..f127a99475ac 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-samelength-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-samelength-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-samelength-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test that a gap of 5em and a column-rule-width of 5em both take up the same space." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-001.xht
index d24c1e398d4d..6979cd7472da 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-samelength-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="Tests that column rules are not displayed for invalid properties and values."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body {margin: 8px;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2-ref.xht
index b49e941337e3..d01b44a1e183 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2-ref.xht
@@ -2,6 +2,7 @@
 <head>
 <title>multicolumn | column-rule</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style><![CDATA[
 body {
 	margin: 1em;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2.xht
index 36ae072c47c0..848dc60e0f0b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-shorthand-2.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-rule-shorthand-2-ref.xht"/>
 <meta name="assert" content="Tests that column rules are not displayed for invalid properties and values."/>
 <meta name="flags" content="ahem invalid"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 1em;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000-ref.xht
index bc35d1c40114..9b8ff2ebca42 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Hakon Wium Lie" href="mailto:howcome@opera.com" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-27 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000.xht
index 1d61790a2e38..77cfa24b70ad 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-solid-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-rule-solid-000-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test checks that a column-rule-style value set as 'solid' is rendered correctly." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-001.xht
index 104883990c0d..8a9cca873552 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-001.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-rule-stacking-ref.xht"/>
 <meta name="flags" content="ahem"/>
 <meta name="assert" content="The test checks that the span element, which has a higher 'z-index' stacks on top of the other elements in the multicol container." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-ref.xht
index 5eea2ac0b474..b1ad88eb3bb1 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-rule-stacking-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | column-rule</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-shorthand-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-shorthand-001.xht
index b1e9ce932d25..650a324a8043 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-shorthand-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-shorthand-001.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-rule-ref.xht"/>
 <meta name="flags" content="ahem invalid"/>
 <meta name="assert" content="Testing that invalid property names used as a shorthand do not result in column-rules being displayed." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-000.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-000.xht
index ea3306ad842c..d9870714c62f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-000.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-000.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-000-ref.xht" />
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="Tests that the element with an id of 'column-span' spans across all columns." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-001.xht
index 4790674850d9..5525e7b786f9 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Tests that the h4 set to 'column-span: all' spans across all columns resulting in a black bar across the multicol container." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-002.xht
index 43fb1fa562bc..ad3dc5ccd778 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test of the situation where there is not sufficient space for the spanning element, UA may treat the element as 'column-span: none'; in which case, 'overflow: hidden' will take care of overflowed content out of multi-column box." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-003.xht
index fb4a508f50a3..6facec9df12d 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-003.xht
@@ -8,6 +8,7 @@
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-span: all' spans across all column boxes and that content in the normal flow (in this test, the '55555 55555 55555 55555') that appears before the element is automatically balanced across all columns before the element appears." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html {background-color: white;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-003.xht
index bd2cdd6cdab0..abaa45f0a850 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-003.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-span-all-block-sibling-3-ref.xht"/>
 <meta name="flags" content="ahem"/>
 <meta name="assert" content="Test that a block element which is a sibling of content in the multicol element acts correctly as a spanner." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-3-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-3-ref.xht
index 83debd12d20b..53b58c6d2b0c 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-3-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-block-sibling-3-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicol | column-span: all | block-level child</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body>div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-001.xht
index d57ce2343276..a7d25ab56c1b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-margin-001-ref.xht" />
   <meta name="flags" content="ahem may" />
   <meta name="assert" content="This test checks that when 'overflow' is set to 'hidden' on a multi-column element, then any spanning ('column-span: all') element exceeding the available width of the multi-column should be clipped accordingly." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-002.xht
index c0386abfb965..2fb05ab502ab 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-margin-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="The spanning element extends only to the width of the multicol element, despite an item in the fourth column extending into the overflow area." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-bottom-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-bottom-001.xht
index 14fae6b819ba..eabb519e6722 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-bottom-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-bottom-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-margin-bottom-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="In this test, the glyphs 'or' are painted into 1st column box, the glyphs 'ang' extend outside the box, and  should not be clipped. In this test they are overwritten by spans so are not visible." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-001.xht
index e4dd76f63582..6bd22df89ff4 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-margin-nested-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="In this test, the first h4 element would collapse its margin bottom with the top margin of div#child if only div#child was also a spanning element, which is not: the bottom margin of the first h4 element is 8em wide while the top margin of div#child is only 2em wide (1 column box wide). That is why the bottom margin of the first h4 element should not collapse with the top margin of div#child." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#multi-column
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-002.xht
index afe25a0d9233..5e05e8697a28 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-all-margin-nested-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="In this test, the first h4 element would collapse its margin bottom with the resulting (from a margin collapsing with its nested h4 element) of top margin of div#child if only div#child was also a spanning element, which is not: the bottom margin of the first h4 element is 8em wide while the top margin of div#child is only 2em wide (1 column box wide). That is why the bottom margin of the first h4 element should not collapse with the top margin of div#child." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#multi-column
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-001.xht
index 5c4483ef1cc0..cfb5853627f7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-001.xht
@@ -7,6 +7,7 @@
 <link rel="help" href="http://www.w3.org/TR/css3-multicol/#spanning-columns"/>
 <link rel="match" href="multicol-span-all-margin-nested-firstchild-ref.xht"/>
 <meta name="flags" content="ahem"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-ref.xht
index c2977be7c714..7da5237dac60 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-margin-nested-firstchild-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | column-span</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 body {
 	margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-float-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-float-001.xht
index 5be2e7b4ca6c..8d123c85657b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-float-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-float-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-float-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-span' does not apply to floating element." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-none-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-none-001.xht
index e171c2cf3cb9..a2be00b0ccd2 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-none-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-none-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-span-none-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks how a 'column-span: none' element is rendered: it should not span across all column boxes." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-001.xht
index 916f7520b823..d6f052905a4f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-table-cell-001-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-count' applies to elements with 'display' set to 'table-cell'." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-001.xht
index 676b4b61aa73..2efd64b869cf 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-table-cell-height-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-count' applies to elements with 'display' set to 'table-cell' which can be constrained with a set height." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-002.xht
index c7e56bc7de16..c7ece15d2d01 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-height-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-table-cell-height-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that 'column-count' applies to elements with 'display' set to 'table-cell' which can be constrained with a set height. A set height for a table-cell still remains the minimum height required by the content, even when its layout is influenced by, conditioned by a multi-column layout." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-001.xht
index 30b0f0339efa..b2fc3f833115 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-001.xht
@@ -8,6 +8,7 @@
 <link rel="match" href="multicol-table-cell-vertical-align-ref.xht"/>
 <meta name="flags" content="ahem"/>
 <meta name="assert" content="This test checks that 'column-count' applies to elements with 'display' set to 'table-cell' which also use 'vertical-align: middle'. The 'vertical-align' property should still apply." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-ref.xht
index ab68c7a74317..6d20530b73bb 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-table-cell-vertical-align-ref.xht
@@ -4,6 +4,7 @@
 <head>
 <title>multicolumn | table-cell, vertical-align</title>
 <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type="text/css"><![CDATA[
 div {
 	font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001-ref.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001-ref.xht
index 3dab05b8a104..e13855df5ab7 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001-ref.xht
@@ -5,6 +5,7 @@
   <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
   <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-23 -->
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001.xht
index 8f9587d0e924..07140f8e020a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-001-ref.xht" />
   <meta name="assert" content="Tests that column-width is calculated correctly."/>
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-002.xht
index 78a149590580..7f016f4837d0 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-002-ref.xht" />
   <meta name="assert" content="Tests that column-width is calculated correctly."/>
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-003.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-003.xht
index 0e91866163b2..8158deafbe15 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-003.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-002-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="Test to check that the multicol container and not the column box becomes the containing box"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#multi-column
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-001.xht
index 79c3e8635495..5cbaba214742 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-001-ref.xht" />
   <meta name="asset" content="Test that column-count and column-width are valid in combination"/>
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-002.xht
index 6de99956e3be..7f56e604458f 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-count-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-002-ref.xht" />
   <meta name="asset" content="Test that column-count acts as a max when combined with column-width."/>
   <meta name="flags" content="ahem" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html {background-color: white;}
 
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-invalid-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-invalid-001.xht
index 83128b1f33b6..931d55345346 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-invalid-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-invalid-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-invalid-001-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that 'column-width: bzzt' is invalid (generating a parsing error) and therefore will be ignored." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-001.xht
index 04530e93d7ca..c34b8b4bcf16 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-invalid-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a set 'column-width' may be wider (to fill the available space). In this test, the actual column-width will be increased to 12em." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-002.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-002.xht
index 2efa3941d8fe..bec00cc2dd22 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-large-002.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-width-invalid-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a set 'column-width' equal in width to the whole available space of the multi-column will use it all for its column box." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-negative-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-negative-001.xht
index dd7d515499df..ea0ed9ab766b 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-negative-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-negative-001.xht
@@ -8,6 +8,7 @@
   <link rel="match" href="multicol-count-002-ref.xht" />
   <meta name="flags" content="ahem invalid" />
   <meta name="assert" content="This test checks that a set 'column-width' can not be negative." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-small-001.xht b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-small-001.xht
index 8ef3bfa6ac0d..fd1df1a9c83a 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-small-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-width-small-001.xht
@@ -9,6 +9,7 @@
   <link rel="match" href="multicol-width-small-001-ref.xht" />
   <meta name="flags" content="ahem" />
   <meta name="assert" content="This test checks that a set 'column-width' which is small with regards to width of multi-column element." />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body > div
   {
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/reference/multicol-basic-ref.html b/tests/wpt/web-platform-tests/css/css-multicol/reference/multicol-basic-ref.html
index fd952afc0e64..7d88977b059d 100644
--- a/tests/wpt/web-platform-tests/css/css-multicol/reference/multicol-basic-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-multicol/reference/multicol-basic-ref.html
@@ -7,6 +7,7 @@
 	<link rel="reviewer" title="Elika J Etemad" href="http://fantasai.inkedblade.net/contact">
 	<meta name="flags" content="ahem"/>
 
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style type="text/css">
 		.multicol-wrapper>*{
 			font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/input-scrollable-region-001.html b/tests/wpt/web-platform-tests/css/css-overflow/input-scrollable-region-001.html
index 016f9b9278c1..96fedfed746e 100644
--- a/tests/wpt/web-platform-tests/css/css-overflow/input-scrollable-region-001.html
+++ b/tests/wpt/web-platform-tests/css/css-overflow/input-scrollable-region-001.html
@@ -7,6 +7,7 @@
 <meta name="assert" content="input text is preserved when the (input height
                              minus the input padding minus the input border) is
                              smaller than the height of the text">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 input {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/reference/input-scrollable-region-001-ref.html b/tests/wpt/web-platform-tests/css/css-overflow/reference/input-scrollable-region-001-ref.html
index de894fab610b..d7125ee2ef32 100644
--- a/tests/wpt/web-platform-tests/css/css-overflow/reference/input-scrollable-region-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-overflow/reference/input-scrollable-region-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Basic User Interface Reference File</title>
 <link rel="author" title="Boaz Sender, Ali Juma, Robert Ma">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 input {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height-ref.html b/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height-ref.html
index 5c27ecce55ef..c2c8914161af 100644
--- a/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height-ref.html
@@ -1,4 +1,5 @@
 <!DOCTYPE html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #test {
   width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height.tentative.html b/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height.tentative.html
index 2cd7177ece8d..94a62a5b3fa1 100644
--- a/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-overflow/webkit-line-clamp/webkit-line-clamp-with-line-height.tentative.html
@@ -2,6 +2,7 @@
 <link rel="match" href="webkit-line-clamp-with-line-height-ref.html">
 <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2847#issuecomment-468084957">
 <meta name="assert" content="This test checks that -webkit-line-clamp calculates respects line-height when calculating its block-size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #test {
   width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo-ref.html b/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo-ref.html
index 50ec833e8bff..cd8ea6bd66ff 100644
--- a/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     margin-left: 3px;
diff --git a/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo.https.html b/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo.https.html
index 5f342d19691e..f7e2a164f177 100644
--- a/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo.https.html
+++ b/tests/wpt/web-platform-tests/css/css-paint-api/style-before-pseudo.https.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <link rel="match" href="style-before-pseudo-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     margin-left: 3px;
diff --git a/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo-ref.html b/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo-ref.html
index ea5c04a18086..f9b116dcb6cf 100644
--- a/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color: rgb(0, 255, 0);
diff --git a/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo.https.html b/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo.https.html
index f42f82b7386b..02b114560fd8 100644
--- a/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo.https.html
+++ b/tests/wpt/web-platform-tests/css/css-paint-api/style-first-letter-pseudo.https.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <link rel="match" href="style-first-letter-pseudo-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color: rgb(0, 255, 0);
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-absolute-in-inline-crash.html b/tests/wpt/web-platform-tests/css/css-position/position-absolute-in-inline-crash.html
index 5d36710b6fe6..e7b2ef49c713 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-absolute-in-inline-crash.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-absolute-in-inline-crash.html
@@ -6,6 +6,7 @@
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
   <script>test(()=>{})</script>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 </head>
 <!-- There should be a green square below -->
 <body style="font-family: Ahem;font-size: 20px;">
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline-ref.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline-ref.html
index 11e2909f47b3..4eb6ae7721bd 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for position:sticky should work for inline elements</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline.html
index cc8694d42363..07cde6f3f54e 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-inline.html
@@ -4,6 +4,7 @@
 <link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
 <meta name="assert" content="This test checks that position:sticky works for inline elements" />
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline-ref.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline-ref.html
index 694a3cc84037..cf8125d8d310 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for nested inline position:sticky elements should render correctly</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline.html
index f44c0e69b59f..0a14698de5f1 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-nested-inline.html
@@ -4,6 +4,7 @@
 <link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
 <meta name="assert" content="This test checks that nested inline position:sticky elements render correctly" />
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
index 8b171fa5583d..39800866a183 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for position:sticky constraints are independent of writing mode</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
index 7f10ff5daf3c..ee2dbc05a9cf 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
@@ -4,6 +4,7 @@
 <link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
 <meta name="assert" content="This test checks that position:sticky constraints are independent of the writing mode" />
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .group {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-ltr.html b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-ltr.html
index 770ce7bd8a3b..5a19c0e9ccd5 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-ltr.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-ltr.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="htb-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-rtl.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-rtl.tentative.html
index abc8585ab24d..de6ef1c6c1cc 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-rtl.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-ltr-rtl.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="htb-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-ltr.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-ltr.tentative.html
index 6a20341cbc63..c3a3155a105b 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-ltr.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-ltr.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="htb-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-rtl.html b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-rtl.html
index 279754ca4ea2..03ea18770a47 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-rtl.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/htb-rtl-rtl.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="htb-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-ltr.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-ltr.html
index 1d95b46a0ff0..aa929a7b5085 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-ltr.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-ltr.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vlr-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-lr; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-rtl.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-rtl.tentative.html
index d3faab143044..c423d18c639f 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-rtl.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-ltr-rtl.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vlr-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-lr; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-ltr.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-ltr.tentative.html
index 736339ab54e5..1a0ab006e39a 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-ltr.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-ltr.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vlr-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-lr; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-rtl.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-rtl.html
index 71f810fc7db3..ead69bba1f9f 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-rtl.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vlr-rtl-rtl.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vlr-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-lr; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-ltr.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-ltr.html
index d9e613a9eade..e22bf64cc19f 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-ltr.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-ltr.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vrl-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-rl; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-rtl.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-rtl.tentative.html
index 342d1cadfd14..f38a90bdd669 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-rtl.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-ltr-rtl.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vrl-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-rl; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-ltr.tentative.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-ltr.tentative.html
index b0960490cfc2..bf95d6bd5b32 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-ltr.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-ltr.tentative.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vrl-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-rl; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-rtl.html b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-rtl.html
index 8bdb06c8271e..c341531b706b 100644
--- a/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-rtl.html
+++ b/tests/wpt/web-platform-tests/css/css-position/static-position/vrl-rtl-rtl.html
@@ -2,6 +2,7 @@
 <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#abs-non-replaced-width" />
 <link rel="match" href="vrl-ref.html">
 <meta name="assert" content="This test checks the static position of an out of flow absolute positioned element, under various conditions." />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { writing-mode: vertical-rl; }
 .container {
diff --git a/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height-ref.html b/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height-ref.html
index fe57a281f9b8..9bd8ca874a02 100644
--- a/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height-ref.html
@@ -1,5 +1,6 @@
 <!doctype html>
 <title>Reference: Check that :marker inherits line-height</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 128px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height.html b/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height.html
index 145aedcb30cc..de34c2f7ae33 100644
--- a/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height.html
+++ b/tests/wpt/web-platform-tests/css/css-pseudo/marker-inherit-line-height.html
@@ -5,6 +5,7 @@
 <link rel=help href="https://drafts.csswg.org/css-display-3/#list-items">
 <link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1415759">
 <link rel=match href=marker-inherit-line-height-ref.html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 128px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-basic-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-basic-001.html
index 19727e30ae71..0a8958623b14 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-basic-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-basic-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-basic-001.html">
 <meta name="assert" content="This test asserts the line-height-step property rounds up line box height.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-boundary-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-boundary-001.html
index 50681bfc7022..b4c29905ea2f 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-boundary-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-boundary-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-boundary-001.html">
 <meta name="assert" content="This test asserts the line-height-step property rounds up line box height.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-ruby-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-ruby-001.html
index f79f13b29d09..c394e28a262e 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-ruby-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-ruby-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-ruby-001.html">
 <meta name="assert" content="This test asserts the line-height-step property and ruby.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-valign-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-valign-001.html
index ffdc46206d81..e569d0d99752 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-valign-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-valign-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-valign-001.html">
 <meta name="assert" content="This test asserts the vertical-align property with the line-height-step property.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-001.html
index d74ceabf6aeb..e3de4f20e77f 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-writing-mode-vrl-001.html">
 <meta name="assert" content="This test asserts the line-height-step property in vertical-rl writing mode.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-ruby-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-ruby-001.html
index a071d0d441d7..44123ac65d88 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-ruby-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/line-height-step-writing-mode-vrl-ruby-001.html
@@ -5,6 +5,7 @@
 <link rel="match" href="reference/line-height-step-writing-mode-vrl-ruby-001.html">
 <meta name="assert" content="This test asserts the line-height-step property with ruby in vertical-rl writing mode.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-basic-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-basic-001.html
index e277021ec43b..343026e07b81 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-basic-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-basic-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step basic layout reference</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-boundary-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-boundary-001.html
index 17e75150aa4d..ea1c7638a38c 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-boundary-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-boundary-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step boundary test</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-ruby-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-ruby-001.html
index a358c1d20f20..c98f13ef59d1 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-ruby-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-ruby-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step and ruby</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-valign-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-valign-001.html
index 4925fbc003bb..07d4371081e1 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-valign-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-valign-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step vertical-align test</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-001.html
index 11b725061f96..b5108c2021c2 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step in vertical-rl</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-ruby-001.html b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-ruby-001.html
index bcf49514d679..1bf5a09f7869 100644
--- a/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-ruby-001.html
+++ b/tests/wpt/web-platform-tests/css/css-rhythm/reference/line-height-step-writing-mode-vrl-ruby-001.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>CSS Rhythmic Sizing: line-height-step with ruby in vertical-rl</title>
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-002.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-002.html
index 4f09c09f476c..76a9bbb1525f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-002.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-002.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      the content box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-003.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-003.html
index 86efc8650af4..c58152efb7e4 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-003.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      the border box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-004.html
index cdc7b73cde04..dd2030d9cfc5 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-004.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      the padding box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-006.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-006.html
index c00074c524ca..9465b5197e00 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-006.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-006.html
@@ -12,6 +12,7 @@
                                      right float with a shape-outside defined as
                                      the content box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-007.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-007.html
index 112690523f7c..cc88efaf0487 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-007.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-007.html
@@ -12,6 +12,7 @@
                                      right float with a shape-outside defined as
                                      the border box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-008.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-008.html
index 1a2191aa8f56..3b3e58f0ddd2 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-008.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-008.html
@@ -12,6 +12,7 @@
                                      right float with a shape-outside defined as
                                      the padding box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-009.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-009.html
index 67786bc4f9e7..3216a761551b 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-009.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-box/shape-outside-box-009.html
@@ -13,6 +13,7 @@
                                      the border box, with negative margins.
                                      The float area is clipped to the margin box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-001-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-001-ref.html
index 3c652d1188d2..cbde336e9b9e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-001-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Bear Travis" href="mailto:betravis@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             width: 200px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-002-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-002-ref.html
index ffbbe6e9d6f8..d6a65180fd52 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/reference/shape-outside-linear-gradient-002-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Bear Travis" href="mailto:betravis@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             width: 200px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-001.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-001.html
index 6042c8067c4b..9b8b6f8d3290 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-001.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-001.html
@@ -9,6 +9,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple linear gradient."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             width: 200px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-002.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-002.html
index cb91fad8cfb0..18a98a7f762c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-002.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-002.html
@@ -9,6 +9,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple linear gradient on a right float."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             width: 200px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-003.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-003.html
index 9b7bf2161b7f..51713abc00fc 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-003.html
@@ -11,6 +11,7 @@
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple linear gradient on a right float with
                                 shape-margin applied."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             width: 200px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-005.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-005.html
index a6228790df7e..6d0fc21361bd 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-005.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-005.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under vertical-rl."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-006.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-006.html
index 18253edc778d..68243e0ab8f8 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-006.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-006.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under vertical-lr."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-007.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-007.html
index 9087fb0f093e..4ef0b6b5dfea 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-007.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-007.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under sideways-rl."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: sideways-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-008.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-008.html
index 05132b45c29b..11ae7faa36ea 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-008.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under sideways-lr."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: sideways-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-009.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-009.html
index eb04734cd5da..50c80d0ac76e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-009.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-009.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under vertical-rl and text-orientation: sideways."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-010.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-010.html
index 26335a6b5278..1e245cb285c4 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-010.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-010.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient under vertical-lr and text-orientation: sideways."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-011.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-011.html
index 3daa63c497a5..4bff72c4733f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-011.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-011.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under vertical-rl."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-012.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-012.html
index 52f5e8a8a271..bdd618bf7f1d 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-012.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-012.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under vertical-lr."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-013.html
index 66a285006406..a0c9c82952d4 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-013.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under sideways-rl."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: sideways-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-014.html
index 91ba3efa08a3..a39c695029b0 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-014.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under sideways-lr."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: sideways-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-015.html
index 382586a9dca6..91bc6d0bb667 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-015.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under vertical-rl and text-orientation: sideways."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-016.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-016.html
index fe4524236b1c..f936d5c5be14 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-linear-gradient-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/shape-outside-linear-gradient-001-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside respects a simple linear gradient with shape-margin under vertical-lr and text-orientation: sideways."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     .container {
       writing-mode: vertical-lr;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-001.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-001.html
index 16dba7e6da5b..3c01c08a64cc 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-001.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-001.html
@@ -13,6 +13,7 @@
     <meta name="flags" content="ahem dom"/>
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple radial gradient."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         .container {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-002.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-002.html
index 54034c1b9911..ff13d25204ae 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-002.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-002.html
@@ -15,6 +15,7 @@
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple radial gradient when a percentage margin
                                 is applied."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         .container {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-003.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-003.html
index c97826c3376a..043aa82f4676 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-003.html
@@ -16,6 +16,7 @@
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple radial gradient when a shape margin
                                 and shape-image threshold are applied."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         .container {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-004.html
index 5b28aa506737..15eb1b8ce592 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/gradients/shape-outside-radial-gradient-004.html
@@ -15,6 +15,7 @@
     <meta name="assert" content="This test verifies that shape-outside respects a
                                 simple radial gradient on a right float when
                                 shape-image-threshold is applied."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         .container {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-012-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-012-ref.html
index 1d38db7c67c7..3c5cdf9e9a7d 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-012-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-012-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Zoltan Horvath" href="mailto:zoltan@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-018-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-018-ref.html
index d278e0bf9b46..98c00d3b678f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-018-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-018-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-019-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-019-ref.html
index 24b2260a03ca..089a3a2a37b7 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-019-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-019-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-020-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-020-ref.html
index 6caf0467f2b7..b199b6e39854 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-020-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-020-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-021-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-021-ref.html
index 8dad33442b17..826f5275d998 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-021-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-021-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-022-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-022-ref.html
index 754158da0860..999773bd0ac5 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-022-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-022-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-023-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-023-ref.html
index 6caf0467f2b7..b199b6e39854 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-023-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/reference/shape-image-023-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Hans Muller" href="mailto:hmuller@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-000.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-000.html
index 53ef88de9a00..0671a06e4d97 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-000.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-000.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-000-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a png image in a data: url is properly respected on a left float."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-001.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-001.html
index ac2d92fba434..d66925da6c72 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-001.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-001.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-001-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a png image with 70% alpha is treated as if the image had no alpha."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-002.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-002.html
index 01d916d7cb85..b7e4578afa1f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-002.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-002.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-002-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a svg image in a data uri is properly interpreted as a shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-003.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-003.html
index 85d252dd2d91..5994a792828f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-003.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-002-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a svg image with 20% alpha and 0.3 shape-image-threshold creates a proper shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-004.html
index 5d31593cd0fe..117f3a8e2cc8 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-004.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-000-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a png image with 50% alpha and 0.6 shape-image-threshold creates a proper shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-005.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-005.html
index 93f39787ad1a..d15cbf4157b0 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-005.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-005.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-002-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a svg image in a data uri with 70% alpha and 0.8 shape-image-threshold creates a proper shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-006.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-006.html
index 9b435e301405..1a9fe7717619 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-006.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-006.html
@@ -10,6 +10,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around all the image pixels
                                  + the shape-margin when shape-outside is given a png file."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-007.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-007.html
index 727170f84e63..351aa02416ff 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-007.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-007.html
@@ -10,6 +10,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around all the image pixels
                                  + the shape-margin when shape-outside is given an svg file."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-008.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-008.html
index 95668871c0bb..64ea7ef34290 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-008.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-008.html
@@ -10,6 +10,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around all the image pixels
                                  + the shape-margin as a percentage when shape-outside is given an jpg data uri."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-009.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-009.html
index ef524a5e835b..c7978bbabc65 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-009.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-009.html
@@ -12,6 +12,7 @@
     <meta name="assert" content="This test verifies that content wraps around the image pixels extracted from
                                  a shape-outside png file with shape-image-threshold set + the shape-margin in
                                  absolute length."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         #test, #image, #white, .blue, .failure {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-010.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-010.html
index df993be751b4..07acd2a4208b 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-010.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-010.html
@@ -12,6 +12,7 @@
     <meta name="assert" content="This test verifies that content wraps around the image pixels extracted from
                                  a shape-outside png file with shape-image-threshold set + the shape-margin as
                                  a percentage."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         #test, #image, #white, .blue, .failure {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-011.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-011.html
index 03c71fba4c32..a1286f07bc8e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-011.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-011.html
@@ -12,6 +12,7 @@
     <meta name="assert" content="This test verifies that content wraps around the image pixels extracted from
                                  a shape-outside svg file with shape-image-threshold set + the shape-margin in
                                  absolute length."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         #test, #image, #white, .blue, .failure {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-012.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-012.html
index 4bd478692402..5ec28f5a7a5c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-012.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-012.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-012-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around all the image pixels when shape-outside is given a jpg."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-013.html
index 5222ee72399c..c487d6313869 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-013.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-013-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around the shape defined by the data uri png."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-014.html
index 81796923d53a..1a8bf75f1611 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-014.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-002-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that content wraps around the shape defined by an svg file."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-015.html
index ac64dda156b1..3d2c1ec6a334 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-015.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-013-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a png image with 20% alpha and 0.2 shape-image-threshold creates a proper shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
               position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-016.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-016.html
index 08dc887284af..d0eed8d17369 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-016.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-013-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a png image with 70% alpha and 0.71 shape-image-threshold creates a proper shape."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
               position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-017.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-017.html
index 868d1cf88bda..d5afb242db40 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-017.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-017.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-002-ref.html"/>
     <meta name="flags" content="ahem image"/>
     <meta name="assert" content="This test verifies that a shape specified as a data uri svg with 70% alpha creates a proper shape, shape-image-threshold is defined to 0.71."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
               position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-018.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-018.html
index bccefcba1e4f..d94a2a9d9243 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-018.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-018.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-018-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that the boundary of a shape-outside defined by a JPEG image file is the same as the image's dimensions + shape-margin."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-019.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-019.html
index e32cc233aed3..14c3fb2a5f33 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-019.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-019.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-019-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies the boundary of a shape-outside defined by a PNG data URI and a shape-margin."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-020.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-020.html
index 8dd81002fba5..aa3c5cc3aa4f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-020.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-020.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-020-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies the boundary of a shape-outside defined by an SVG URI and a shape-margin."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-021.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-021.html
index 1fea2096e776..8671fa1c6136 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-021.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-021.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-021-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that the boundary of a shape-outside defined by a PNG image file and shape-margin is correct."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-022.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-022.html
index 59b83fd41bb5..8e567b1708df 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-022.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-022.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-022-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that the boundary of a shape-outside defined by a GIF image file and shape-margin is correct."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-023.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-023.html
index 836a85307232..73e6322c8f11 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-023.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-023.html
@@ -8,6 +8,7 @@
     <link rel="match" href="reference/shape-image-023-ref.html"/>
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies the boundary of a shape-outside defined by an SVG URI, shape-image-threshold, and a shape-margin."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-024.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-024.html
index 5bd3f4d13c7a..d6197e1f5210 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-024.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-024.html
@@ -10,6 +10,7 @@
     <meta name="assert" content="This test verifies that content wraps around all the image pixels
                                  calculated from the size of the img element, which is different
                                  than the size of the image itself."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-025.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-025.html
index d5189acf0186..f202ffb2e7dc 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-025.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-025.html
@@ -9,6 +9,7 @@
     <meta name="flags" content="ahem"/>
     <meta name="assert" content="This test verifies that shape-outside is extracted from the
                                  first frame of an animated gif."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body { margin: 0; }
         .container {
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-026.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-026.html
index 40482f8b9702..74f5f34411ff 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-026.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-026.html
@@ -12,6 +12,7 @@
                                  + the shape-margin when shape-outside is given a png file.
                                  Additionally, the shape-outside: image element is offset from its
                                  containing block."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-027.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-027.html
index 2c232ed9a508..112d7b976378 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-027.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/shape-image/shape-image-027.html
@@ -12,6 +12,7 @@
                                  + the shape-margin when shape-outside is given a png file.
                                  Additionally, the shape-outside: image element is given a negative
                                  left offset relative to its containing block."/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/reference/shape-outside-circle-030-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/reference/shape-outside-circle-030-ref.html
index 204771b847e2..dabff6348b1f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/reference/shape-outside-circle-030-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/reference/shape-outside-circle-030-ref.html
@@ -4,6 +4,7 @@
         <title>CSS Reference File</title>
         <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-013.html
index ec1d643487f6..e15f053de978 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-013.html
@@ -13,6 +13,7 @@
                                      a circle from the margin box and positioned
                                      in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-014.html
index 2bf05f71936f..e4e3372e31ba 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-014.html
@@ -13,6 +13,7 @@
                                      a circle from the content box with the radius
                                      and position in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-015.html
index 4f2a798fb019..b6d93677c45d 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-015.html
@@ -14,6 +14,7 @@
                                      a circle with the radius explicitly set as
                                      closest-side from the padding box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-016.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-016.html
index 5f08ec8a867d..28dfca669958 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-016.html
@@ -14,6 +14,7 @@
                                      a circle with the radius defined as farthest-side
                                      from the border box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-017.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-017.html
index 72c61ea213c2..48b0d180158a 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-017.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-017.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      a circle with a shape-margin in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-018.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-018.html
index 1c3079c618b2..cfbab52e8d48 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-018.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-018.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      a circle with a shape-margin in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-019.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-019.html
index d9e53c5b3b28..024273b70174 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-019.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-019.html
@@ -14,6 +14,7 @@
                                      a circle from the margin box and is positioned
                                      top left with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-020.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-020.html
index dd931d88a80f..060501fdf9a0 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-020.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-020.html
@@ -14,6 +14,7 @@
                                      a circle from the padding box with a position specified
                                      as a percentage and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-021.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-021.html
index 12341451233a..fa6a5f8a7f0e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-021.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-021.html
@@ -15,6 +15,7 @@
                                      a circle with a farthest-side radius from the
                                      padding box with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-022.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-022.html
index aeda9caaabd3..fb0e14bf9f46 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-022.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-022.html
@@ -14,6 +14,7 @@
                                      a circle from the padding box positioned at
                                      center right with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-024.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-024.html
index b8142bde4749..97763adf01ac 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-024.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-024.html
@@ -14,6 +14,7 @@
                                      a circle from the border box with radius in
                                      percentage units and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-025.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-025.html
index d70b0e021791..233ea98210b2 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-025.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-025.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      a circle from the padding box with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-026.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-026.html
index 2a07e8232ef5..600150b2517e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-026.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-026.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      a circle from the content box with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-027.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-027.html
index b00f6c475831..ecfb9b7f346e 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-027.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-027.html
@@ -14,6 +14,7 @@
                                      a circle positioned from the margin box with a
                                      shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-028.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-028.html
index 0143259f85c3..673d084c8ddb 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-028.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-028.html
@@ -15,6 +15,7 @@
                                      a circle positioned from the border box with a
                                      shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-029.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-029.html
index 39f156c2c8e9..229ee76a127a 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-029.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-029.html
@@ -14,6 +14,7 @@
                                      a circle positioned center right from the padding
                                      box with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-030.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-030.html
index 87f796372153..e9085aefacee 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-030.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-030.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an circle with the radius in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-031.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-031.html
index 6f66af65009c..340fef640021 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-031.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/circle/shape-outside-circle-031.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an circle with the radius in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/reference/shape-outside-ellipse-030-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/reference/shape-outside-ellipse-030-ref.html
index c7d44b7e24b3..875252ac8725 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/reference/shape-outside-ellipse-030-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/reference/shape-outside-ellipse-030-ref.html
@@ -4,6 +4,7 @@
         <title>CSS Reference File</title>
         <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-013.html
index c10c60258112..8a1ce105d321 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-013.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      a ellipse with radii and position in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-014.html
index 84e12a0ab6ad..098423a3ebf5 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-014.html
@@ -13,6 +13,7 @@
                                      a ellipse from the content box with the position
                                      and radii in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-015.html
index 1a434a0ef6e6..965b064a3cb1 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-015.html
@@ -14,6 +14,7 @@
                                      ellipse with the radii explicitly set as closest-side
                                      from the padding box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-016.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-016.html
index 161195a243db..eb3b093dca47 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-016.html
@@ -13,6 +13,7 @@
                                      a ellipse from the padding box with the radii
                                      in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-017.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-017.html
index fd9b816d4a1a..37539192e910 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-017.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-017.html
@@ -15,6 +15,7 @@
                                      a ellipse from the content box with only the rx defined
                                      as farthest-side and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-018.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-018.html
index 11b759e74f9a..91c888393458 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-018.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-018.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      a ellipse with a shape-margin in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-019.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-019.html
index 9986b31cc04b..64983c3a9758 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-019.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-019.html
@@ -14,6 +14,7 @@
                                      a ellipse from the padding box with radii in percentage
                                      units and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-020.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-020.html
index 8412a3d6b60a..be77835dd972 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-020.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-020.html
@@ -14,6 +14,7 @@
                                      a ellipse from the margin box with the radii specified
                                      in percentage units and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-021.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-021.html
index 8508619f8e5c..3f0179cf8a6b 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-021.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-021.html
@@ -15,6 +15,7 @@
                                      set at closest-side and ry in px units and
                                      with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-022.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-022.html
index 31cb44551187..8fd70e4e5f17 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-022.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-022.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      a ellipse from the content box with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-023.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-023.html
index 8755a83341aa..0210eaccdcde 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-023.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-023.html
@@ -13,6 +13,7 @@
                                      an ellipse with only the horizontal offset specifed in px
                                      and with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-024.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-024.html
index a9c8672be8b3..3ec930dbd64f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-024.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-024.html
@@ -15,6 +15,7 @@
                                      the horizontal offset specified in percentage units
                                      and with a shape-margin in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-025.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-025.html
index c7e9a144419a..81878a5f31ab 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-025.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-025.html
@@ -15,6 +15,7 @@
                                      positioned at center right from the margin box
                                      with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-030.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-030.html
index 85202dcf66e1..50b213b95e12 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-030.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-030.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an ellipse with radii in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-031.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-031.html
index 2b4bae44a52c..195ab52e6e93 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-031.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/ellipse/shape-outside-ellipse-031.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an ellipse with radii in % units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-010.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-010.html
index 49627c8f1f0a..ed821a3015bf 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-010.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-010.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-011.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-011.html
index 96d242148b02..9f48592f15e7 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-011.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-011.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle in percentage units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-012.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-012.html
index b9dbe52bbccd..30bb563cda57 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-012.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-012.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle + margin-box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-013.html
index d49dd703cc7b..0807a081f5fc 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-013.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle + border-box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-014.html
index 30604af76136..d5677d0c811c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-014.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle + content-box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-015.html
index da54fb23dadb..f809c291591b 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-015.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an inset rectangle + padding-box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-028.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-028.html
index 2e0d9abed541..625d3463d39f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-028.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-028.html
@@ -13,6 +13,7 @@
                                      an inset rounded rectangle in px units with
                                      a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-029.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-029.html
index fdf226ee09cc..e7de7425009c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-029.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-029.html
@@ -13,6 +13,7 @@
                                      an inset irregular elliptically rounded
                                      rectangle in px units with a shape-margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-030.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-030.html
index 0daa382f1544..aac63be70132 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-030.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/inset/shape-outside-inset-030.html
@@ -15,6 +15,7 @@
                                      Additionally, the shape-outside: inset element is
                                      offset from its containing block.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         #container {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-007.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-007.html
index c0bdd0f000e8..49b9ee8266aa 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-007.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-007.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an polygon with the args in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-008.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-008.html
index e322fa620118..3277f1ea1292 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-008.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-008.html
@@ -11,6 +11,7 @@
                                      left float with a shape-outside defined as
                                      an polygon with the args in px units.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-009.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-009.html
index 1c3acfc1758d..f2593c65bc20 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-009.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-009.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an polygon from the border box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-010.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-010.html
index 3937132f7cac..a73ab3b904be 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-010.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-010.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an polygon from the padding box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-011.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-011.html
index 84cc1b801a88..7a79fb94b577 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-011.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-011.html
@@ -12,6 +12,7 @@
                                      left float with a shape-outside defined as
                                      an polygon from the content box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-012.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-012.html
index 28320bbf8560..af03658c4b54 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-012.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-012.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      an polygon from the margin box with a shape margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-013.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-013.html
index dc663cf455b3..cf2da759f0d5 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-013.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      an polygon from the border box with a shape margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-014.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-014.html
index a7e04ef1f7ab..e81f20f73552 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-014.html
@@ -13,6 +13,7 @@
                                      right float with a shape-outside defined as
                                      an polygon from the padding box with a shape margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-015.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-015.html
index 084f060d828e..1d1950fe877d 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-015.html
@@ -12,6 +12,7 @@
                                      right float with a shape-outside defined as
                                      an polygon from the content box wtih a shape margin.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-016.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-016.html
index 2a096815ea22..11cd901640e0 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-016.html
@@ -11,6 +11,7 @@
                                      same as nonzero for shape-outside and that text
                                      will wraps around the outer edge of a polygon.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         body {
             margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-017.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-017.html
index aa13170fe1a3..0d1f9d398ef3 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-017.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-017.html
@@ -13,6 +13,7 @@
                                      extends beyond the margin box, the shape is clipped to the
                                      box.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     body {
         margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-001-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-001-ref.html
index b175d5503835..573e74cc877f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-001-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin-left: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-004-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-004-ref.html
index 0a62f3b8c88c..4653e0d690e4 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-004-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-004-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Reference File</title>
     <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-007-ref.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-007-ref.html
index f7c7cc7e3bd1..8f4c8015e8ea 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-007-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/reference/shape-outside-007-ref.html
@@ -3,6 +3,7 @@
 <head>
 <title>CSS Reference File</title>
 <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com"/>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #container {
           position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-001.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-001.html
index bf59aebc85da..57944883b6d2 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-001.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-001.html
@@ -13,6 +13,7 @@
      the left."/>
     <!-- This test is derived from Example 1 in this version of the spec:
          http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin-left: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-002.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-002.html
index af57bd4f80c8..927eaf7f52ad 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-002.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-002.html
@@ -13,6 +13,7 @@
      the left and that the left float shape is clipped to the float's margin box"/>
     <!-- This test is derived from Example 2 in this version of the spec:
          http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin-left: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-003.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-003.html
index ab8ff35fe8c8..33045f309f37 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-003.html
@@ -13,6 +13,7 @@
      the left and that the right float shape is clipped to the float's margin box"/>
      <!-- This test is derived from Example 2 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         body {
             margin-left: 0;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-004.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-004.html
index 2e2d6035d396..b2f6d8da3d1c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-004.html
@@ -12,6 +12,7 @@
                                  content to flow through all of the float's box."/>
      <!-- This test is derived from Example 3 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 400px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-005.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-005.html
index 185727d9e58b..7b9aedb83e6f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-005.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-005.html
@@ -12,6 +12,7 @@
                                  content to flow through all of the float's box."/>
      <!-- This test is derived from Example 3 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 400px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-006.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-006.html
index 24d2fe5a96ed..671c0986049f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-006.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-006.html
@@ -14,6 +14,7 @@
                                  and right sides of the float."/>
      <!-- This test is derived from Example 4 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 250px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-007.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-007.html
index 9342874d720f..0db826f58ea9 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-007.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-007.html
@@ -13,6 +13,7 @@
                                  box"/>
      <!-- This test is derived from Example 5 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 260px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-008.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-008.html
index d008ef1dff88..744022801a8f 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-008.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-008.html
@@ -13,6 +13,7 @@
                                  boxes when two floats are stacked next to each other."/>
      <!-- This test is derived from Example 5 in this version of the spec:
           http://www.w3.org/TR/2013/WD-css-shapes-1-20131203/ -->
+      <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
       <style type="text/css">
           .container {
             width: 260px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-010.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-010.html
index e85e74d6b067..83897e9fe6be 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-010.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-010.html
@@ -12,6 +12,7 @@
                                  transparent."/>
      <!-- This test is derived from Example 7 in this version of the spec:
           http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-011.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-011.html
index 84defc554f1b..93bfbea9ff84 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-011.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-011.html
@@ -12,6 +12,7 @@
                                  opacity."/>
     <!-- This test is derived from Example 7 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 400px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-012.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-012.html
index 1adf86e5832c..71ef19ef1a61 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-012.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-012.html
@@ -13,6 +13,7 @@
                                  image-threshold" />
     <!-- This test is derived from Example 7 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
           width: 400px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-013.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-013.html
index a5945473b6fc..1b7746113b95 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-013.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-013.html
@@ -12,6 +12,7 @@
                                  the shape-margin."/>
     <!-- This test is derived from Example 7 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-014.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-014.html
index 307046bb685d..3e97ae4c3aee 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-014.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-014.html
@@ -11,6 +11,7 @@
                                  defined by its margin box."/>
     <!-- This test is derived from Examples 8 and 9 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             color: green;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-015.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-015.html
index 96c48f2bc021..d75d598bf371 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-015.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-015.html
@@ -11,6 +11,7 @@
                                  defined by its border box."/>
     <!-- This test is derived from Examples 8 and 9 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             width: 400px;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-016.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-016.html
index f34b5c4fa4fd..212b21817a92 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-016.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-016.html
@@ -11,6 +11,7 @@
                                  defined by its padding box."/>
     <!-- This test is derived from Examples 8 and 9 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             color: green;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-017.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-017.html
index 160671c81eee..b16362153e51 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-017.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-017.html
@@ -11,6 +11,7 @@
                                  defined by its content box."/>
     <!-- This test is derived from Examples 8 and 9 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             color: green;
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-019.html b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-019.html
index 5d19b35ad96b..4f59ff331fe0 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-019.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/spec-examples/shape-outside-019.html
@@ -11,6 +11,7 @@
                                  shape defined in the images alpha channel and the shape-margin."/>
     <!-- This test is derived from Example 11 in this version of the spec:
          http://www.w3.org/TR/2014/WD-css-shapes-1-20140211/ -->
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         #test {
             position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001-ref.html b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001-ref.html
index 0b217dd192c0..295decdf8937 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   /* establish context */
   .container {
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001.html b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001.html
index 19b0a94fe360..64f227073d4d 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-001.html
@@ -3,6 +3,7 @@
 <link rel="help" href="https://www.w3.org/TR/css-sizing-3/#intrinsic-contribution">
 <link rel="match" href="intrinsic-percent-non-replaced-001-ref.html">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   /* establish context */
   .container {
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002-ref.html b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002-ref.html
index bb818918e2aa..4997199c4dae 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference</title>
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   /* establish context */
   .container {
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002.html b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002.html
index 763549fb1868..748aa5f8f714 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-002.html
@@ -2,6 +2,7 @@
 <title>Percentages of max-width on non-replaced blocks are ignored for intrinsic sizing and resolved afterwards</title>
 <link rel="help" href="https://www.w3.org/TR/css-sizing-3/#intrinsic-contribution">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   /* establish context */
   .container {
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-003.html b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-003.html
index 2dd247c9b8ec..1dd1a2ef5da4 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-003.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/intrinsic-percent-non-replaced-003.html
@@ -3,6 +3,7 @@
 <link rel="help" href="https://www.w3.org/TR/css-sizing-3/#intrinsic-contribution">
 <link rel="match" href="intrinsic-percent-non-replaced-002-ref.html">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   /* establish context */
   .container {
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-004.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-004.html
index 95b73c28e35e..daf8420b3930 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-004.html
@@ -9,6 +9,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="The second word is broken, despite the word-break: keep-all, because line-break: anywhere disregarde any prohibition against line breaks mandate by word-break.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-006.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-006.html
index 874846c77430..de5a43eab444 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-006.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break: anywhere' disgregard the prohibition against line breaks introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-007.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-007.html
index 9f097ee9ffbb..300d9bd92981 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-007.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities around punctuaction characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-008.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-008.html
index c10310939259..a7590a2ee278 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-008.html
@@ -9,6 +9,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="break-all breaks between the last two letters, because breaking opportunities between the punctuaction characters are forbidden.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-009.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-009.html
index 7beba0619018..4cc3f4ee392b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-009.html
@@ -9,6 +9,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break: anywhere' disgregard the prohibition against line breaks introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-010.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-010.html
index 2e0c7178e987..4c4b86c15b69 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-010.html
@@ -9,6 +9,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break: anywhere' disgregard the prohibition against line breaks introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-011.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-011.html
index acc46dbbef3c..6cbec13008ed 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-011.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities around slash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-012.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-012.html
index e2c5d363fcf4..76fe279c50da 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-012.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities around slash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-013.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-013.html
index 6b0a1bde2110..2b60ff5c622e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-013.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-013.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities before slash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-014.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-014.html
index bfe72e6aeaab..04969bb65a9b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-014.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities before backslash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-015.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-015.html
index 9fe998d8ae8e..34c261e43724 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-015.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities after backslash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-016.html b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-016.html
index 923a6c318226..81b565209c63 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-break/line-break-anywhere-016.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/line-break-anywhere-004-ref.html">
 <meta name="assert" content="line-break:anywhere allows breaking opportunities after slash characters.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-001.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-001.html
index 1dd229693cc6..f7c0cc0ff1ca 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-001.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-002.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-002.html
index ac833f547a1a..2e2c285b52b9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-002.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-003.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-003.html
index bb9da008c1a4..4d5048787b2b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-003.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-004.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-004.html
index 7d895b879f35..042d03c3af62 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-004.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-005.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-005.html
index 113d76283fd6..bad85ec026eb 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-005.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-006.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-006.html
index 0f7ba1dbd171..edc161d5260f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-006.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-007.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-007.html
index b25d628bbc7b..de2ed7658dc2 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-007.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-008.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-008.html
index 8b79b96a0109..b17846dc6bc6 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-008.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-009.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-009.html
index 482e0eeb6f91..9111e1598388 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-009.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-010.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-010.html
index 6e681f464c42..b74646d718e0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-010.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-011.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-011.html
index 3e086b6b0787..65a537ee5014 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-011.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-001-ref.html">
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-012.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-012.html
index 08f956c9166d..6a10946131bc 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-012.html
@@ -5,6 +5,7 @@
 <meta name=assert content="When whitespace: nowrap is specified, floats should not cause line breaks">
 <link rel=help href="https://www.w3.org/TR/css-text-3/#white-space-property">
 <link rel=match href="reference/line-breaking-012-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
     position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-001.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-001.html
index 03666417ca40..e071378c95fd 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-001.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="../../reference/ref-filled-green-100px-square.xht">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-002.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-002.html
index ca561fd52b41..cfa4408a4378 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-002.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="../../reference/ref-filled-green-100px-square.xht">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .red {
   width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-003.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-003.html
index 5fc007794cfa..36c702a53ccd 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-003.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-atomic-003-ref.html">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-004.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-004.html
index c4aa5757c347..799b3db6d5d1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-004.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-atomic-003-ref.html">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-005.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-005.html
index 6c53d592ed28..bb94d0614fb9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-005.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-atomic-005-ref.html">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-006.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-006.html
index 2eb2a301784f..cecfb3d89db5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-006.html
@@ -6,6 +6,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=match href="reference/line-breaking-atomic-005-ref.html">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-007.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-007.html
index 826ce002a88e..cb47cc62d0a7 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-007.html
@@ -6,6 +6,7 @@
 <link rel=match href="reference/line-breaking-atomic-007-ref.html">
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-008.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-008.html
index cab17e9a9c06..777b5ab92e98 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/line-breaking-atomic-008.html
@@ -7,6 +7,7 @@
 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details">
 <link rel=help href="https://drafts.csswg.org/css-text-3/#valdef-word-break-keep-all">
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-001-ref.html
index a27cbc474732..323a120592cd 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-001-ref.html
@@ -3,6 +3,7 @@
 <meta charset="utf-8">
 <title>Reference File for line breaking tests</title>
 <link rel=author title="Florian Rivoal" href="http://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-012-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-012-ref.html
index 463dc2287ea2..2d55081f48ea 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-012-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-012-ref.html
@@ -2,6 +2,7 @@
 <html>
 <meta charset="utf-8">
 <title>Reference File for line breaking tests</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
     color:green;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-003-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-003-ref.html
index 93a6d491c233..a9fdd2591b3f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-003-ref.html
@@ -3,6 +3,7 @@
 <meta charset="utf-8">
 <title>Test reference</title>
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-005-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-005-ref.html
index aa7f0f4accf1..ffc485cd346c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-005-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-005-ref.html
@@ -3,6 +3,7 @@
 <meta charset="utf-8">
 <title>Test reference</title>
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-007-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-007-ref.html
index cd2b0590aa9d..86bee401970c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-007-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-007-ref.html
@@ -3,6 +3,7 @@
 <meta charset="utf-8">
 <title>Test reference</title>
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-008-ref.html b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-008-ref.html
index 62d68f5c4b1e..d10d69e601a6 100644
--- a/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-008-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/line-breaking/reference/line-breaking-atomic-008-ref.html
@@ -3,6 +3,7 @@
 <meta charset="utf-8">
 <title>Test reference</title>
 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001-ref.html
index 129b0443eaf9..92f18552688e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text Test Reference File</title>
 <link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001.html
index 3c6ee263fb47..65d46f3a98f8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-001.html
@@ -7,6 +7,7 @@
 <link rel="match" href="overflow-wrap-001-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The 'overflow-wrap' property set 'break-word' breaks the word at an arbitrary point">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002-ref.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002-ref.html
index b2da349bdcd3..afb4c6835c28 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text Test Reference File</title>
 <link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #ref {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002.html
index e1b5c0610388..d1ff8bfa7846 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-002.html
@@ -8,6 +8,7 @@
 <link rel="match" href="overflow-wrap-002-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Test checks that the 'overflow-wrap' property has effect if and only if the 'white-space' allows wrapping">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #ref {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004-ref.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004-ref.html
index c0abde988585..9b0a6eb442f8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text Test Reference File</title>
 <link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004.html
index 166bfc1f474b..9793e47792ce 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-004.html
@@ -7,6 +7,7 @@
 <link rel="match" href="overflow-wrap-004-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The 'overflow-wrap' property set 'normal' overflows container">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-001.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-001.html
index 06237319a802..efa453ca66a5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-001.html
@@ -6,6 +6,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="sequences of nbsp characters that would cause overflow are expected to be broken when overflow-wrap is anywhere">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-004.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-004.html
index 9488ac83b0b6..3d5f44497749 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-004.html
@@ -6,6 +6,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: pre-wrap' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-005.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-005.html
index 57e14ac5b2ba..d125a0b5c85c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-anywhere-005.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: pre-wrap' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-001.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-001.html
index 7eaa8f31df1e..4d633d367d4a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-001.html
@@ -6,6 +6,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="sequences of nbsp characters that would cause overflow are expected to be broken when overflow-wrap is break-word">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-004.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-004.html
index 5f36410feba2..26ab3f2cac68 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-004.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: pre-wrap' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-005.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-005.html
index dd005a816f2f..721a1938e55f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-005.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: pre-wrap' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-006.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-006.html
index 806457ddb325..2159aa591ea0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-006.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: break-spaces' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-007.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-007.html
index e701f765da27..c114ccf7f93a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-007.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-break-word-001-ref.html">
 <meta name="assert" content="A Single leading white-space constitutes a soft breaking opportunity, honoring the 'white-space: pre-wrap' property, that must prevent the word to be broken.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-008.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-008.html
index d3c0f491ee78..8a0fb9959d69 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-break-word-008.html
@@ -11,6 +11,7 @@
 <meta name="assert" content="break-word + break-spaces do allow a break
 between the last character of a word and the first space of a sequence of preserved spaces
 if there are no other wrapping opportunities earlier in the line">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-min-content-size-003.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-min-content-size-003.html
index 43dc1767856f..397ed8c45092 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-min-content-size-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/overflow-wrap-min-content-size-003.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/overflow-wrap-min-content-size-003-ref.html">
 <meta name="assert" content="overflow-wrap:anywhere breaks at edge of inline elements.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   width: 0px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/reference/overflow-wrap-min-content-size-003-ref.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/reference/overflow-wrap-min-content-size-003-ref.html
index a71b3a34d692..cd9b069255b0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/reference/overflow-wrap-min-content-size-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/reference/overflow-wrap-min-content-size-003-ref.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org/">
 <link rel="author" title="Mozilla" href="https://www.mozilla.org/">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #wrapper {
   width: 0px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-001.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-001.html
index af326a6cdf2d..049a8fc057fe 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-001.html
@@ -7,6 +7,7 @@
 <link rel="match" href="overflow-wrap-001-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The 'word-wrap' property set 'break-word' breaks the word at an arbitrary point">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-002.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-002.html
index 24b39d6cacda..5cc7e6a45e4c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-002.html
@@ -8,6 +8,7 @@
 <link rel="match" href="overflow-wrap-002-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Test checks that the 'word-wrap' property has effect if and only if the 'white-space' allows wrapping">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #ref {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-004.html b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-004.html
index 773c4aef6cc1..5650da9a83ac 100644
--- a/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/overflow-wrap/word-wrap-004.html
@@ -7,6 +7,7 @@
 <link rel="match" href="overflow-wrap-004-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The 'word-wrap' property set 'normal' overflows container">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #test {
     border: 5px solid orange;
diff --git a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001-ref.html
index 9a66f5e5839d..8b574c694f31 100644
--- a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001-ref.html
@@ -3,6 +3,7 @@
 <head>
     <title>CSS Text Test: tab-size: length</title>
     <link rel="author" title="David Storey" href="mailto:david@openweb.io">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001.html b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001.html
index 4a19f51a48d0..2e466da02595 100644
--- a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-001.html
@@ -7,6 +7,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-text-3/#tab-size">
     <link rel="match" href="tab-size-length-001-ref.html">
     <meta name="assert" content="Tab should be rendered as 1em (20px)">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-002.html b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-002.html
index 1312a1d570e4..adccbd6bc882 100644
--- a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-length-002.html
@@ -7,6 +7,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-text-3/#tab-size">
     <link rel="match" href="tab-size-length-001-ref.html">
     <meta name="assert" content="Tab-size negative length values are not allowed">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-percent-001.html b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-percent-001.html
index 4bb790100a0a..875d3e98fe75 100644
--- a/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-percent-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/tab-size/tab-size-percent-001.html
@@ -7,6 +7,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-text-3/#tab-size">
     <link rel="match" href="tab-size-length-001-ref.html">
     <meta name="assert" content="Tab-size percentage values are not allowed">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         .container {
             position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-001.html
index 124a45f29bc8..e05ae3d7e34b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-001.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 300px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 24px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-002.html
index bb63bfeee30f..3581e9ef94f2 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-002.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 300px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 24px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-003.html
index 9761aeeffe61..38781c922e31 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-003.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 300px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 24px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-004.html
index d286072d6f6f..6650e06e48ed 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-004.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 300px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 24px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-005.html
index 7ea79a97e864..204243c9d169 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-005.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-006.html
index f4fe84f837e7..bdc4b16d89c1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-006.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-007.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-007.html
index a978a479ebd4..73c743058c27 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-007.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-008.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-008.html
index b7cf3273895a..0effded5a14d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-008.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-009.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-009.html
index 32b8623397e4..45a8c0b9e2dd 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-009.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=auto, RTL first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-010.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-010.html
index ccfa94c57f86..ea9cb27528bc 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-010.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, dir=auto, LTR first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-014.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-014.html
index b24116813875..bf9fe3935936 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-014.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, pre, dir=rtl inherited</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 48px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-015.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-015.html
index a3fa03d6557c..fc2695d9d8bf 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-015.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, pre, dir=ltr inherited</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 48px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-016.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-016.html
index eebdcf504efa..e661e80915e5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-016.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, pre, dir=auto</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 48px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-017.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-017.html
index 7289f149e028..15b37fbd246a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-017.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-end-ref-017.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: end, pre, dir=auto on surrounding block</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 48px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-001.html
index 647239ef20a0..0218b47f26c8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-001.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-002.html
index c74d32c64dd3..02e1f234cb54 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-002.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-003.html
index 38e31fc662b7..b869ef98103a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-003.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-004.html
index 171fa2fe9b5f..006bea1ce5a9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-004.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-005.html
index 9e2612ace169..3de1f09d066e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-005.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, dir=auto, RTL first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-006.html
index 48cc2c683745..05531186ba8a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justify-ref-006.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify, dir=auto, LTR first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-001.html
index 6c54f27e21a0..bf55ad2252e4 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-001.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-002.html
index 15d89b04ac4d..f595effb0eff 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-002.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-003.html
index 5af723039279..527ed23117bc 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-003.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-004.html
index 1c7f9c5b3b93..e9cdec5f8c41 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-004.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-005.html
index e61054f02648..1bdef57e0482 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-005.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, dir=auto, RTL first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-006.html
index b3a79eb9057d..4496c3866ee1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-justifyall-ref-006.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: justify-all, dir=auto, LTR first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 399px; color: orange; font: 24px/24px Ahem; }
 .ref { text-align: right; position: relative; height:72px;  }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-001.html
index 323ece1ed033..72e11fae2dd1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-001.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-002.html
index 9242c5793e86..a30dc620be14 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-002.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-003.html
index 363e20b67e73..8393996ff9c8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-003.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-004.html
index b4b24ef12cf6..4ec0fdeebef0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-004.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-005.html
index 9b7fbef74e7d..70a8d53da9a6 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-005.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, direction: rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-006.html
index 8c3708d44a6d..affc904e2127 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-006.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, direction: ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-007.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-007.html
index 7b00ff29f78f..de8d8790f438 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-007.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=rtl</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-008.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-008.html
index 5773192b8193..8c8160345e8f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-008.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=ltr</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-009.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-009.html
index 3177d019cbdc..f3c0cc74150d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-009.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=auto, RTL first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-010.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-010.html
index 4972f258b0b8..3014c053d515 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-010.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, dir=auto, LTR first strong</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-014.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-014.html
index 747c5e6bed0c..703ffe38b1da 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-014.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, pre, dir=rtl inherited</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-015.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-015.html
index abc8797e92c8..814c76f0482f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-015.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, pre, dir=ltr inherited</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-016.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-016.html
index fbeefd6fc5e0..8253f594305d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-016.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, pre, dir=auto</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-017.html b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-017.html
index f802d49c0933..e8ad0119bbac 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-017.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/reference/text-align-start-ref-017.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-align: start, pre, dir=auto on surrounding block</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-001.html
index b7baac89b7ce..14e666aca227 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-001.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-001.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-002.html
index e080879c916e..0d4f9ccc5d65 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-002.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-002.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-003.html
index 4402bf4ec1ea..a91e7031981a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-003.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-003.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-004.html
index cca16fe89685..cb0180c40ea6 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-004.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-004.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-005.html
index 9fe2dae42556..01acc95a8259 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-005.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-005.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-006.html
index 3ea9fdc6a59f..88df21753dde 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-006.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-006.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-007.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-007.html
index 403770f93bbd..7330c104a26e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-007.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-007.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-008.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-008.html
index 8c6e5aed7b04..c7e2e77537bf 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-008.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-008.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-009.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-009.html
index c67fe23d7de6..d7915197be28 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-009.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-009.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when direction is auto and first strong character is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-010.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-010.html
index abcb7c076294..7b5d9ed06493 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-010.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-010.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is auto and first strong character is ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-014.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-014.html
index aff33e24ec72..82db05a09095 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-014.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-014.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. left when base direction is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-015.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-015.html
index c5d633433707..287ce68a4a1c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-015.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-015.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when base  direction is  ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-016.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-016.html
index b64610219b6f..42495c7f3f64 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-016.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-016.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. right when direction is auto and first strong character is ltr, and left when first strong is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-017.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-017.html
index 9787c3e5533c..02eaa4c27193 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-017.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-end-017.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-end-ref-017.html'>
 <meta name="assert" content="text-align:end aligns inline-level content to the end edge of the line box – ie. since dir=auto is not inherited by pre, to right in ltr context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: end; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-001.html
index 619f5a0440b8..f2ba8cc23020 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-001.html
@@ -7,6 +7,7 @@
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the right.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-002.html
index 0b6b4ddb90c8..3f91b6d47898 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-002.html
@@ -7,6 +7,7 @@
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the left.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-003.html
index 3a0eeffff028..73d0b2fe69de 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-003.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-justify-ref-003.html'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the right.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-004.html
index 6389e162a1b0..f8621ee8a11f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-004.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-justify-ref-004.html'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the left.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-005.html
index e097796ae50f..5723776938f5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-005.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-justify-ref-005.html'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the right.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-006.html
index 79aee25302c2..2a9279210789 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-justify-006.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-justify-ref-006.html'>
 <meta name="assert" content="text-align:justify aligns text in order to exactly fill the line box. Unless otherwise specified by text-align-last, the last line before a forced break or the end of the block is start-aligned – in this case, to the left.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-001.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-001.html
index 40c6abaef484..43219cc248fc 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-001.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-001.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-002.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-002.html
index 5e2791d648ce..911a185ade6b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-002.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-002.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-003.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-003.html
index 2e1d6672761b..0ca38da0bec7 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-003.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-003.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-004.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-004.html
index 00146305a67c..739bd8811ff4 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-004.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-004.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-005.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-005.html
index 55fe5965fa1a..5dbe17de9b15 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-005.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-005.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: rtl; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-006.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-006.html
index fa9fcc6460c7..8557affeb770 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-006.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-006.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; direction: ltr; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-007.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-007.html
index 0774716b1e3e..1a56287c3557 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-007.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-007.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when direction is horizontal, rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-008.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-008.html
index ba5e78ccdec5..3885c4dba459 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-008.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-008.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is horizontal, ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-009.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-009.html
index 55753ada0e5e..044c896a02c4 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-009.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-009.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when direction is auto and first strong character is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-010.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-010.html
index 623b3ec77521..358fc373aad1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-010.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-010.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is auto and first strong character is ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-014.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-014.html
index ac451de9b82b..04a2bf562e55 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-014.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-014.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. right when base direction is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-015.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-015.html
index 0b2f9097d9e1..ba41e6142c9d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-015.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-015.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when base  direction is  ltr.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-016.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-016.html
index 3b8d858cc4c9..c45667b59f0d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-016.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-016.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. left when direction is auto and first strong character is ltr, and right when first strong is rtl.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-017.html b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-017.html
index 5733002baa6f..55273f897de0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-017.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-align/text-align-start-017.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-align-start-ref-017.html'>
 <meta name="assert" content="text-align:start aligns inline-level content to the start edge of the line box – ie. since dir=auto is not inherited by pre, to left in ltr context.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: start; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-indent/reference/text-indent-percentage-001-ref.xht b/tests/wpt/web-platform-tests/css/css-text/text-indent/reference/text-indent-percentage-001-ref.xht
index b8e8d62a08ac..5b065d1db7ac 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-indent/reference/text-indent-percentage-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-text/text-indent/reference/text-indent-percentage-001-ref.xht
@@ -4,6 +4,7 @@
 	<head>
 		<title>CSS Test: text-indent Percentage - basic cases</title>
 		<link rel="author" title="Makoto Kikuchi" href="mailto:kikuchi@est.co.jp" />
+		<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 		<style type="text/css"><![CDATA[
 			#parent
 			{
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-001.xht b/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-001.xht
index dd732c872151..6da26308b266 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-001.xht
@@ -8,6 +8,7 @@
 		<link rel="match" href="reference/text-indent-percentage-001-ref.xht"/>
 		<meta name="flags" content="ahem" />
 		<meta name="assert" content="Ensure that text-indent +50% adds 50% of its containing block's width in front of the text." />
+		<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 		<style type="text/css"><![CDATA[
 			#parent
 			{
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-004.html b/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-004.html
index 5a3c3f576a56..3323e2f40732 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-indent/text-indent-percentage-004.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/text-indent-percentage-002-ref.html">
 <meta name="assert" content="Percentages in text-indent refer to width of the element's content box, when used in a calc expression">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 body { background: white; }
 section { position: absolute; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-justify/reference/text-justify-ref-001.html b/tests/wpt/web-platform-tests/css/css-text/text-justify/reference/text-justify-ref-001.html
index 2a214057611f..976df7f4dcee 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-justify/reference/text-justify-ref-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-justify/reference/text-justify-ref-001.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <title>text-justify: none</title>
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test, .ref { border: 1px solid orange;  margin: 20px; width: 290px; color: orange; font: 24px/24px Ahem; }
 .ref { position: relative;  height: 72px; }
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-001.html b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-001.html
index 3e2a0d8bbbe3..4c1d46525da0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-001.html
@@ -7,6 +7,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <link rel='match' href='reference/text-justify-ref-001.html'>
 <meta name="assert" content="text-justify:none means justification is disabled: there are no justification opportunities within the text.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; text-justify: none; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-002.html b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-002.html
index ef16eaaf82a5..91b6381e7c07 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-002.html
@@ -6,6 +6,7 @@
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <meta name="assert" content="text-justify:inter-character means justification adjusts spacing between each pair of adjacent typographic character units.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; text-justify: inter-character; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-003.html b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-003.html
index 6d181fa02b20..41dfdf062214 100644
--- a/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/text-justify/text-justify-003.html
@@ -6,6 +6,7 @@
 <link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#text-align-property'>
 <meta name="assert" content="text-justify:distribute means justification adjusts spacing between each pair of adjacent typographic character units.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style type='text/css'>
 .test { text-align: justify; text-justify: distribute; }
 /* the CSS below is not part of the test */
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-001.html
index a1a498e11be5..f3b881afc107 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-break-spaces">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is wrapped when the white-space property is set to break-spaces.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-002.html
index dd9b9919fbb7..1fec090991bb 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-break-spaces">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="a single preserved white space at the end of the line is not wrapped when the white-space property is set to break-spaces.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-003.html
index c7a8693fef19..9ff9180625ef 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-003.html
@@ -11,6 +11,7 @@
 <meta name="assert" content="break-word + break-spaces do not allow a break
 between the last character of a word and the first space of a sequence of preserved spaces
 if there are other wrapping opportunities earlier in the line.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
    font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-004.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-004.html
index 75b9a0da4e67..8d7915fcccae 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-004.html
@@ -9,6 +9,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="The word is not broken if there are previous breaking opportunities, honoring the 'white-space: break-spaces' value.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 20px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-005.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-005.html
index 89bf9cbd97dd..01c760726d34 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-005.html
@@ -7,6 +7,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="If 'white-space' is set to 'break-spaces', collapsing preserved white-spaces' advance width is not allowed, so that they can be wrapped honoring the 'white-space' propery.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 10px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-006.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-006.html
index b8d12a18440c..c13a28e95fc8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-006.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="White spaces are preserved, honoring the 'white-space: break-spaces', but the words are broken, honring the 'word-beak: break-all' even though there are previous breaking opportunities in the white-spaces.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-007.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-007.html
index c7242c27e5ca..4b9df290426b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-007.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A single leading white-space should be used, honoring white-space: break-spaces, to avoid overflow; however, a single preserved white-space at the end of the line cannot be wrapped, hence it overflows when breaking after it to move the rest of the text to the next line.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-008.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-008.html
index 9fdcdb6d2d85..4612996c52cb 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-008.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="White spaces are preserved, honoring the 'white-space: break-spaces', which may lead to overfow. However, we can break before the las letter in the word honoring the 'break-all' value.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-009.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-009.html
index 128aeaf5ed15..58682d60448e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-009.html
@@ -11,6 +11,7 @@
 <meta name="assert" content="break-word + break-spaces do allow a break
 between the last character of a word and the first space of a sequence of preserved spaces
 if there are no other wrapping opportunities earlier in the line">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-010.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-010.html
index ec7904f50463..a72dc67aff31 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-010.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="assert" content="break-spaces only allows breaking after a white space, hence, a preserved white space may overflow.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-001.html
index e5221e155010..6fd97f39d03e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-001.html
@@ -7,6 +7,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists only after a preserved white space character.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-002.html
index c7c36889ce81..dbafa34816eb 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-002.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the overflow-wrap property, except when there are previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-003.html
index 5848f4e72a43..6eb32b57f3f3 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-003.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the overflow-wrap property, except when there are previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-004.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-004.html
index c14f5c15ea72..88c3727c6977 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-004.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists only after a preserved white space character, but it's possible to avoid the overflow honoring the 'word-break' property.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-005.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-005.html
index 2759c936901b..d4259a13d6f2 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-005.html
@@ -11,6 +11,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists only after a preserved white space character, but it's possible to avoid the overflow honoring the 'word-break' property, hence the overflow-wrap property is not applied.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-006.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-006.html
index aabc3baff9b2..367d95f9d15f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-006.html
@@ -11,6 +11,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists only after a preserved white space character, but it's possible to avoid the overflow honoring the 'word-break' property, hence the overflow-wrap property is not applied.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-007.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-007.html
index 0336fd47992a..4534cc96eac9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-007.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the 'line-break' property.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-008.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-008.html
index d93a56fb75bb..4e1e69325b67 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-008.html
@@ -11,6 +11,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the 'line-break' property, ignoring previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-009.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-009.html
index 11b623e7161d..bec4520b113b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-009.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-009.html
@@ -11,6 +11,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the 'line-break' property, ignoring previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-010.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-010.html
index 5012e98af002..4c44d054abd5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-010.html
@@ -11,6 +11,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the 'line-break' property, ignoring previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-011.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-011.html
index 3134b0364ad2..bc6b2965cb0f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-011.html
@@ -13,6 +13,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the 'line-break' property, ignoring previous breaking opportunities.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-012.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-012.html
index e811053b9a8b..52669c2221ec 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-012.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the overflow-wrap property.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-013.html b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-013.html
index 0d6e398c0a83..828058f53dd8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-013.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/break-spaces-before-first-char-013.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="A breaking opportunity exists before the first character of a sequence of preserved white spaces to avoid the line overflow, honoring the overflow-wrap property.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-float-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-float-001.html
index 4d9f8bba4d50..8dd08d80992e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-float-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-float-001.html
@@ -3,6 +3,7 @@
 <link rel="author" title="Koji Ishii" href="kojii@chromium.org">
 <link rel="match" href="reference/pre-float-001-ref.html">
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-property">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-001.html
index 31486f8f77c4..87ffad963105 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-002.html
index e42bd32f938e..e35c65f3000a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if word-break is break-all">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-003.html
index e5d0a59c0de6..6c4524d4d1c2 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if word-break is keep-all.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-004.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-004.html
index 3be7a7db3d16..cdaf900e3b22 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is loose.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-005.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-005.html
index 487defb91aff..8c91a11c5f45 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is normal.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-006.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-006.html
index d725a2dea6f3..8da292681968 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-006.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is strict.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-007.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-007.html
index de69880ed43c..32fe4f33547e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-007.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if overflow-wrap is break-word.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-008.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-008.html
index 7e4a24993f14..e2faf3671c20 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-008.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-008.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/white-space-break-spaces-005-ref.html">
 <meta name="assert" content="The word is not broken despite the 'word-break: break-word' if there are previous breaking opportunities, honoring the white-space: pre-wrap value.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
    font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-011.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-011.html
index 5f86cff5b388..9945e3ae2dda 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-011.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#overflow-wrap-property">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="When the white-space property is set to pre-wrap, preserved white space at the end of the line must hang or be collapsed, and must not cause preceeding content to be wrapped.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-012.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-012.html
index 03f9d98a5a53..f0eb17c4f975 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-012.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-012-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, spaces at the end of the line hang, so they do not have any effect when right-aligning.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-013.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-013.html
index 6e6fd4922dec..29333f5946e1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-013.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-013.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-013-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, spaces at the end of the line hang, so they do not have any effect when centering.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-014.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-014.html
index 04b5d9b8eab8..ac867771d58b 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-014.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/pre-wrap-014-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, spaces at the end of the line hang, so they do not have any effect when justifying.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-015.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-015.html
index d3f51bc429da..3d03260eb33a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-015.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="The text is broken at the end of the space between the two words, never before, so it hangs and cause an overflow">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 20px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-016.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-016.html
index 18dd834d813d..0590f669e918 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-016.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/pre-wrap-001-ref.html">
 <meta name="assert" content="The word is not broken if there are previous breaking opportunities, honoring the white-space: pre-wrap value.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
    font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-float-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-float-001.html
index 6ef0faa0cf8e..af29b0505e0e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-float-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/pre-wrap-float-001.html
@@ -3,6 +3,7 @@
 <link rel="author" title="Koji Ishii" href="kojii@chromium.org">
 <link rel="match" href="reference/pre-wrap-float-001-ref.html">
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-property">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-float-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-float-001-ref.html
index b05c008bed1f..9753cb37b641 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-float-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-float-001-ref.html
@@ -1,4 +1,5 @@
 <!DOCTYPE html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-001-ref.html
index 8a8b5132db19..c60a342a03b5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text level 3 Test reference file</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-012-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-012-ref.html
index 24c64bf6c19e..a0aee138b9e0 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-012-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-012-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text level 3 Test reference</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-013-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-013-ref.html
index f9382e529b6f..b91fc8b6c1a9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-013-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-013-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text level 3 Test reference</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-014-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-014-ref.html
index 8f825c54fdd4..87d51f6067d5 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-014-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-014-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Text level 3 Test reference</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 20px;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-float-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-float-001-ref.html
index 09ca86dd6991..e72b3c94ea45 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-float-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/pre-wrap-float-001-ref.html
@@ -1,4 +1,5 @@
 <!DOCTYPE html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/textarea-pre-wrap-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/textarea-pre-wrap-001-ref.html
index d09873a64634..31070ea92815 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/textarea-pre-wrap-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/textarea-pre-wrap-001-ref.html
@@ -6,6 +6,7 @@
 but since textarea is a form control that's not fully specified,
 using a separate reference just in case something is indeed different
 is safer. -->
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-001-ref.html
index cf59a70890ad..232360ba3870 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>test reference</title>
 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-002-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-002-ref.html
index 78ee28b61fd2..dfc269092307 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-002-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>test reference</title>
 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-003-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-003-ref.html
index 1d9ac7abc4ac..c551c608be11 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-003-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>test reference</title>
 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-004-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-004-ref.html
index 490d61be712d..0c31cb429967 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-004-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-intrinsic-size-004-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>test reference</title>
 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   color: transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-pre-wrap-trailing-spaces-003-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-pre-wrap-trailing-spaces-003-ref.html
index 736a2d5607b9..1b50b667c03a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-pre-wrap-trailing-spaces-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-pre-wrap-trailing-spaces-003-ref.html
@@ -3,6 +3,7 @@
 <title>CSS test Reference</title>
 <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-001.html
index b109f45913ca..ad81e99768f9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-001.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-break-spaces">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is wrapped when the white-space property is set to break-spaces in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-002.html
index f5fe98c1c2b0..f9c2f50b32e8 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-break-spaces-002.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-white-space-break-spaces">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="a single preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap and overflow-wrap is break-spaces in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-001.html
index 6c7f605e6e2b..19d87357902e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-001.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap in a textarea">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-002.html
index 340462bc280d..de16f5b95135 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-002.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if word-break is break-all in a textarea">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-003.html
index 655b1d42fe85..204f626a783c 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-003.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if word-break is keep-all in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-004.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-004.html
index 5e8d50542d16..82d53bc7be96 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-004.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is loose in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-005.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-005.html
index 2f4d54cb1df8..49797372c8ec 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-005.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-005.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is normal in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-006.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-006.html
index 78057403c0e2..8711a71de6ab 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-006.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-006.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if line-break is strict in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-007.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-007.html
index c7e506780fa0..5d6b57b14b19 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-007.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-007.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="preserved white space at the end of the line is not wrapped when the white-space property is set to pre-wrap, even if overflow-wrap is break-word in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-011.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-011.html
index d60348d8083c..ef4a84d3beca 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-011.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#overflow-wrap-property">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="When the white-space property is set to pre-wrap, preserved white space at the end of the line must hang or be collapsed, and must not cause preceeding content to be wrapped in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-012.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-012.html
index 3177a7b4df6f..04e07d6bcc81 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-012.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, only spaces that overflow the line get collapsed or hanged, the ones that fit have an effect when right-aligning in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-013.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-013.html
index 05afb0693810..853d2c33d140 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-013.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-013.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, only spaces that overflow the line get collapsed or hanged, the ones that fit have an effect when centering in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-014.html b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-014.html
index 5c4f33acd1e7..b6d62ce2bff3 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-014.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/textarea-pre-wrap-014.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-phase-2">
 <link rel="match" href="reference/textarea-pre-wrap-001-ref.html">
 <meta name="assert" content="When white-space is pre-wrap, only spaces that overflow the line get collapsed or hanged, the ones that fit have an effect when justifying in a textarea.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 textarea {
   word-wrap: initial; /*deprecated alias*/
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-before-br-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-before-br-001.html
index 2ecd4d3767ac..fcc2bdfa4363 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-before-br-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-before-br-001.html
@@ -3,6 +3,7 @@
 <link rel='help' href='https://drafts.csswg.org/css-text-3/#white-space-phase-2'>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container > div {
   display: inline-block;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-001.html
index 9974041c80ae..7736a6f35017 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-001.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-001.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/white-space-intrinsic-size-001-ref.html">
 <meta name="assert" content="When white-space is break-spaces, preserved spaces at the end of the line do affect the intrinsic min-content size. Overflow-wrap makes no difference.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 aside {
   float: left;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-002.html
index d105756d0baa..417e582dce3d 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-002.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-002.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/white-space-intrinsic-size-002-ref.html">
 <meta name="assert" content="If white-space is break-spaces, preserved spaces at the end of the line do affect the intrinsic max-content size. The value of overflow-wrap makes no difference.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 aside {
   float: left;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-003.html
index fca1ec39ed07..5aa5da55dd89 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-003.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/white-space-intrinsic-size-003-ref.html">
 <meta name="assert" content="Preserved spaces at the end of the line do not affect the intrinsic min-content size when white-space is pre-wrap. The value of overflow-wrap makes no difference.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 aside {
   float: left;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-004.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-004.html
index 42b94a72a5ce..cc2d73992d54 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-004.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-intrinsic-size-004.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/white-space-intrinsic-size-004-ref.html">
 <meta name="assert" content="Preserved spaces at the end of the line do affect the intrinsic max-content size when white-space is pre-wrap, as hanging does not prevent contributing to the max-content size. The value of overflow-wrap makes no difference.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 aside {
   float: left;
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-pre-wrap-trailing-spaces-003.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-pre-wrap-trailing-spaces-003.html
index 4b6df8e93e00..15e47a7adba3 100644
--- a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-pre-wrap-trailing-spaces-003.html
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-pre-wrap-trailing-spaces-003.html
@@ -6,6 +6,7 @@
 <link rel="match" href="reference/white-space-pre-wrap-trailing-spaces-003-ref.html">
 <meta name="assert" content="Preserved white space at the end of the line is hanged when white-space is pre-wrap, and therefore does not count when computing the (minimum) intrinsic size.">
 
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-010.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-010.html
index 64800edf4ef4..5fdf7f3f9f22 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-010.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-010.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="The word is broken even if pre-wrap provides a former breaking opportunity in leading white-space.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-011.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-011.html
index 74ca60503f6e..384563195cf4 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-011.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-011.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="A single leading white-space should account as soft breaking opportunity, honoring the 'white-space: pre-wrap', on top to the ones provided by 'word-break: break-all'.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-012.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-012.html
index fd3b12efcd59..f6f0b13823e3 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-012.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-012.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="The word is broken even if white-space: break-spaces provides a former breaking opportunity in leading white-space.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-013.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-013.html
index 9eff25cf8807..caa15554c4d2 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-013.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-013.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="A single leading white-space should account as soft breaking opportunity, honoring the 'white-space: break-spaces', on top to the ones provided by 'word-break: break-all'.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-015.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-015.html
index 9602a1f2cf0b..8b109479097a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-015.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-015.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="ahem">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="The word is broken even if white-space: pre-wrap provides a former breaking opportunity in leading white-space.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
    position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-016.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-016.html
index 8917d428d0f3..134fa0eac558 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-016.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-016.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks between the last two letters, because breaking opportunities between the punctuaction characters are forbidden.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-017.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-017.html
index 88d7c6d0d595..e4cc3506da5f 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-017.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-017.html
@@ -11,6 +11,7 @@
 <meta name="assert" content="break-all + break-spaces do not allow a break
 between the last character of a word and the first space of a sequence of preserved spaces
 if there are other wrapping opportunities earlier in the line.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font: 25px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-018.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-018.html
index be092be8512e..1314e5976a34 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-018.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-018.html
@@ -6,6 +6,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="word-break: break-all' must honors line breaking behavior introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-019.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-019.html
index 66dba54f41df..a3242340fdc4 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-019.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-019.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks between the last two letters, because breaking opportunities between the punctuaction characters are forbidden.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-021.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-021.html
index 80f2dda836ac..ada6391920e9 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-021.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-021.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="word-break: break-all' must honor line breaking behavior introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-022.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-022.html
index 73e8503bb8ce..0c5286df11a6 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-022.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-022.html
@@ -8,6 +8,7 @@
 <link rel="help" href="https://drafts.csswg.org/css-text-3/#valdef-word-break-break-all">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="word-break: break-all' must honor line breaking behavior introduced by characters with the GL character class">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-023.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-023.html
index 3e9791f81138..c0c85097753e 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-023.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-023.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks before the first backslash character because UAX14 rules forbid to break after PR class.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-024.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-024.html
index 0f6bb5b73333..dc06a8221766 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-024.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-024.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks before the first backslash character because UAX14 rules forbid to break after PR class.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-025.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-025.html
index eedd49a59d0d..304ac23a4396 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-025.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-025.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks before the first backslash character following UAX14 rules about PR class symbols.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-026.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-026.html
index 001d83f3a01e..510c9044c00a 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-026.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-026.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks before the last letter before the slash, because UAX14 rules forbid to break before SY class symbols.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-027.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-027.html
index 4d3487295173..9194ffc2f3c1 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-027.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-027.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks before the last letter before the slash, because UAX14 rules forbid to break before SY class symbols.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-028.html b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-028.html
index dd0d2949ceb1..48f60a346115 100644
--- a/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-028.html
+++ b/tests/wpt/web-platform-tests/css/css-text/word-break/word-break-break-all-028.html
@@ -7,6 +7,7 @@
 <meta name="flags" content="">
 <link rel="match" href="reference/word-break-break-all-010-ref.html">
 <meta name="assert" content="break-all breaks after the slash, honoring the UAX14 rules that allow break after SY class symbols.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-008.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-008.html
index 6e8b128b2947..eca5b761de11 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-008.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'em' on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-016.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-016.html
index c5ce5ccc10c7..873f8a369042 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-016.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'em' in scientific numbers on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-024.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-024.html
index 2c599a69e489..00f1c0ed02a4 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-024.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-024.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'em' in scientific numbers with negative exponents on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-032.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-032.html
index ac535cedf508..ff6569417bbd 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-032.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-032.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with negative numbers in the relative length unit 'em' on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-040.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-040.html
index fcfa669c2bbc..13e542e0866e 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-040.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-040.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'em' in negative scientific numbers on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-048.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-048.html
index ae78500bfec9..001750f82dbd 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-048.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-048.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'em' in negative scientific numbers with negative exponents on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-002.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-002.html
index 8c8e59e7fb16..ed0f336d5890 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-002.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-002.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'ex' in scientific numbers on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-003.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-003.html
index 5f050a4d8cd5..5e9592d65b28 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-003.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-003.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'ex' in scientific numbers with negative exponents on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-004.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-004.html
index 005f940fa7ee..193048c2d279 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-004.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-004.html
@@ -9,6 +9,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-transforms-1/#svg-gradient-transform-pattern-transform">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with negative numbers in the relative length unit 'ex' on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-005.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-005.html
index 3f00747869df..01b5ed42e21b 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-005.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-005.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'ex' in negative scientific numbers on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-006.html b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-006.html
index e15655e5c6e5..96a9d0288092 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-006.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/gradientTransform/svg-gradientTransform-ex-unit-006.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-gradientTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The gradientTransform attribute must support functions with the relative length unit 'ex' in negative scientific numbers with negative exponents on translation-value arguments. The gradient in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-008.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-008.html
index d92eda8c3db5..72cc8449e8b6 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-008.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'em' on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-016.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-016.html
index 4b8c26d48b5b..67a57da945e0 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-016.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'em' in scientific numbers on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-024.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-024.html
index c05063a89949..cfc9a03139be 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-024.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-024.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'em' in scientific numbers with negative exponents on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-032.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-032.html
index 681fbd81a76e..5a65ec9f9f64 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-032.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-032.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with negative numbers in the relative length unit 'em' on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-040.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-040.html
index 2ea2f5725dfd..46a84b90ecd4 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-040.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-040.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'em' in negative scientific numbers on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-048.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-048.html
index bcefefe9c0c4..fae34ea1a1a4 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-048.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-048.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'em' in negative scientific numbers with negative exponents on translation-value arguments. The pattern in the test should be moved 25 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-001.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-001.html
index 852561d2eb8e..b3198dce299c 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-001.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-001.html
@@ -9,6 +9,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-transforms-1/#svg-gradient-transform-pattern-transform">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'ex' on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-002.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-002.html
index 10b4be1c9df6..9032f4a8aea1 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-002.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-002.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'ex' in scientific numbers on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-003.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-003.html
index 49efa23cfaaf..cc76d70467bc 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-003.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-003.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'ex' in scientific numbers with negative exponents on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-004.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-004.html
index 7dc4bf2d47ce..25b7540400c5 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-004.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-004.html
@@ -9,6 +9,7 @@
     <link rel="help" href="http://www.w3.org/TR/css-transforms-1/#svg-gradient-transform-pattern-transform">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with negative numbers in the relative length unit 'ex' on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-005.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-005.html
index 742a142f11f0..8e3fdc7d66fd 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-005.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-005.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'ex' in negative scientific numbers on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-006.html b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-006.html
index 137413d7d330..1fafce57606e 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-006.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/patternTransform/svg-patternTransform-ex-unit-006.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-patternTransform-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The patternTransform attribute must support functions with the relative length unit 'ex' in negative scientific numbers with negative exponents on translation-value arguments. The pattern in the test should be moved 40 pixels in the X direction resulting in a solid green rect.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 160px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/reference/transform-applies-to-002-ref.xht b/tests/wpt/web-platform-tests/css/css-transforms/reference/transform-applies-to-002-ref.xht
index b9ef17475b70..8c3838251605 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/reference/transform-applies-to-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-transforms/reference/transform-applies-to-002-ref.xht
@@ -3,6 +3,7 @@
  <head>
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Apple Inc." href="http://www.apple.com/"/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
     div {
       position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/transform-applies-to-002.xht b/tests/wpt/web-platform-tests/css/css-transforms/transform-applies-to-002.xht
index 186d0b74a3a5..e1f5c7892238 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/transform-applies-to-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-transforms/transform-applies-to-002.xht
@@ -7,6 +7,7 @@
   <link rel="match" href="reference/transform-applies-to-002-ref.xht"/>
   <meta name="flags" content="ahem" />
   <meta name="assert" content="The 'transform' property does not apply to non-replaced inline elements."/>
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
     div {
       position: relative;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/reference/svg-translate-ex-unit-ref.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/reference/svg-translate-ex-unit-ref.html
index 90541041ea7e..297187d7532b 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/reference/svg-translate-ex-unit-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/reference/svg-translate-ex-unit-ref.html
@@ -4,6 +4,7 @@
     <title>CSS Reftest Reference</title>
     <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
     <meta name="flags" content="svg ahem">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-008.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-008.html
index d44331aa03ff..e72b294446bb 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-008.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-016.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-016.html
index ed8be2315850..ef30edaabda7 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-016.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'em' in scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-024.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-024.html
index cd0b20e6b50f..df5c81a1cc00 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-024.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-024.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'em' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-032.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-032.html
index c883de9a92b9..176332b1f367 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-032.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-032.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support negative numbers in the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-040.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-040.html
index 010d945238de..916231712dea 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-040.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-040.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'em' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-048.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-048.html
index f016fa66d1e3..e1f981cbfe1b 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-048.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-048.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'em' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction and 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-001.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-001.html
index 9057882e7c43..a6b0972e051a 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-001.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-001.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-002.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-002.html
index b1553c0bf60e..de2cf9d0fc52 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-002.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-002.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'ex' in scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-003.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-003.html
index 734b15b06061..6371ab3d1305 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-003.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-003.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'ex' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-004.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-004.html
index 4eb106f54e8e..90bf1c9dcf19 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-004.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-004.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support negative numbers in the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-005.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-005.html
index a10c1574516b..3c6cd251d708 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-005.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-005.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'ex' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-006.html b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-006.html
index 5b5ec6570f4c..5f71830a52c4 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-006.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translate/svg-translate-ex-unit-006.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translate-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translate transform function must support the relative length unit 'ex' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction and 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/reference/svg-translatex-ex-unit-ref.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/reference/svg-translatex-ex-unit-ref.html
index c04039937c1d..d4d62c628630 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/reference/svg-translatex-ex-unit-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/reference/svg-translatex-ex-unit-ref.html
@@ -4,6 +4,7 @@
     <title>CSS Reftest Reference</title>
     <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
     <meta name="flags" content="svg ahem">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-008.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-008.html
index 7531fdaab0eb..78406b181f06 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-008.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-016.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-016.html
index bb1ee8559ed9..fca43b0c1ddf 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-016.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'em' in scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-024.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-024.html
index dd9e4edefbe8..9be6a5d131e5 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-024.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-024.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'em' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-032.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-032.html
index df9f7cac109f..11e720082f95 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-032.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-032.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support negative numbers in the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-040.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-040.html
index b0b6e78f2cf1..eb825e6da160 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-040.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-040.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'em' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-048.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-048.html
index f38ad46c9dad..5c3fbcbec9c4 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-048.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-048.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'em' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-001.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-001.html
index 4b0f845e5e49..76b330a3a5e8 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-001.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-001.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-002.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-002.html
index 4f2e21f6d81c..d00eab361f85 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-002.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-002.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'ex' in scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-003.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-003.html
index 40fa2d56ec16..2c6b52b53687 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-003.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-003.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'ex' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-004.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-004.html
index f171757ec749..42fa0b446b7e 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-004.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-004.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support negative numbers in the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-005.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-005.html
index ee3766e54ffe..0416979db366 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-005.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-005.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'ex' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-006.html b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-006.html
index f8ce8cd9c7d3..a972bcbbdaa8 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-006.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateX/svg-translatex-ex-unit-006.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatex-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateX transform function must support the relative length unit 'ex' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the X direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/reference/svg-translatey-ex-unit-ref.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/reference/svg-translatey-ex-unit-ref.html
index 7198284a54c6..5f1a9f312a67 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/reference/svg-translatey-ex-unit-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/reference/svg-translatey-ex-unit-ref.html
@@ -4,6 +4,7 @@
     <title>CSS Reftest Reference</title>
     <link rel="author" title="Rebecca Hauck" href="mailto:rhauck@adobe.com">
     <meta name="flags" content="svg ahem">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-008.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-008.html
index bc67ca73d574..939510f2bb53 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-008.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-008.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-016.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-016.html
index 402a09100332..671d7ded4cca 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-016.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-016.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'em' in scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-024.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-024.html
index 7dc021b79272..e07a210cf2de 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-024.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-024.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'em' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-032.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-032.html
index 18697e3f9814..a33442cdc38d 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-032.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-032.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support negative numbers in the relative length unit 'em' on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-040.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-040.html
index 18c01c1d1ea0..c3504b732fe6 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-040.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-040.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'em' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-048.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-048.html
index 4cdbd10a869a..16bf16a15d80 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-048.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-048.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'em' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 50 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-001.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-001.html
index 04276755f1aa..e4fb76f822af 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-001.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-001.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-002.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-002.html
index f210ae3abde2..3cfbe2505412 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-002.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-002.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'ex' in scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-003.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-003.html
index 23903138f165..ac71f7707c3a 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-003.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-003.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'ex' in scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-004.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-004.html
index fe2012441685..9ce9821222d1 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-004.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-004.html
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support negative numbers in the relative length unit 'ex' on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-005.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-005.html
index 821ceb9cd344..7bb960882350 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-005.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-005.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'ex' in negative scientific numbers on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-006.html b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-006.html
index 48d4f15ba50f..728c8d265a51 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-006.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/translateY/svg-translatey-ex-unit-006.html
@@ -10,6 +10,7 @@
     <link rel="match" href="reference/svg-translatey-ex-unit-ref.html">
     <meta name="flags" content="svg ahem">
     <meta name="assert" content="The translateY transform function must support the relative length unit 'ex' in negative scientific numbers with negative exponents on translation-value arguments. The rect in the test should be moved 40 pixels in the Y direction">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
     svg {
         width: 300px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/outline-004.html b/tests/wpt/web-platform-tests/css/css-ui/outline-004.html
index 7c4cc3ae62ef..35029598ca20 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/outline-004.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/outline-004.html
@@ -7,6 +7,7 @@
   <meta name=assert content="Each part of the outline should be fully connected rather than open on some sides">
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-ui-3/#outline-props">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 span {
   outline: solid green 10px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/outline-016.html b/tests/wpt/web-platform-tests/css/css-ui/outline-016.html
index e62959cc2070..e3ca388f7e95 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/outline-016.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/outline-016.html
@@ -7,6 +7,7 @@
   <meta name=assert content="Negative values on outline-offset should not cause the height and the width of outside of the shape drawn by the outline to become smaller than twice the computed value of the outline-width property, applying this constrain separately for each shape if there are several shapes.">
   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
   <link rel=help href="https://drafts.csswg.org/css-ui-3/#outline-props">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 span {
   outline: solid green 25px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-001-ref.html b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-001-ref.html
index 2a2e3a2ab1eb..9e9303106a82 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Basic User Interface Reference File</title>
 <link rel="author" title="Intel" href="http://www.intel.com/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-002-ref.html b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-002-ref.html
index 8343cc8c4f36..21bf0afd5426 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-002-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Basic User Interface Reference File</title>
 <link rel="author" title="Intel" href="http://www.intel.com/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-005-ref.html b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-005-ref.html
index c966cdbb532d..1ad5eabed778 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-005-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-005-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS-UI test reference</title>
 <link rel="author" title="Michael Howell" href="mailto:michael@notriddle.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>html{font-family:Ahem}</style>
 <div style="width:20em"><p style="text-overflow:ellipsis;overflow:hidden">XXXXXXXXXX</p></div>
 
diff --git a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-008-ref.html b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-008-ref.html
index 4af20b783e69..e95924a96894 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-008-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-008-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>Reference File</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   font-size: 100px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-013-ref.html b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-013-ref.html
index 9f6cbd0a085c..4dd394e925a7 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-013-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/reference/text-overflow-013-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>Test reference</title>
 <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-001.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-001.html
index f0a769203d7f..375c5c1e3cf0 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-001.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-001.html
@@ -8,6 +8,7 @@
 <meta name="flags" content="">
 <meta name="assert" content="Test checks that the inline content that overflows will be clipped. Characters may be only partially rendered when
 text-overflow set clip">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-002.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-002.html
index cd795c01dad3..f90b2c97c4ee 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-002.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-002.html
@@ -7,6 +7,7 @@
 <link rel="match" href="reference/text-overflow-002-ref.html">
 <meta name="flags" content="">
 <meta name="assert" content="Test checks that an ellipsis (...) is shown instead of overflowing textual content">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font-size: 10px;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-003.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-003.html
index 76c05959d849..aaa95fd12fe5 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-003.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-003.html
@@ -7,6 +7,7 @@
 <link rel="match" href="reference/text-overflow-001-ref.html">
 <meta name="flags" content="">
 <meta name="assert" content="Test checks that text-overflow inherits the parent' clip value when text-overflow set inherit">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #container {
     text-overflow: clip;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-004.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-004.html
index 3ca6be51d639..5fe412b3a96d 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-004.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-004.html
@@ -7,6 +7,7 @@
 <link rel="match" href="reference/text-overflow-002-ref.html">
 <meta name="flags" content="">
 <meta name="assert" content="Test checks that text-overflow inherits the parent' ellipsis value when text-overflow set inherit">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   #container {
     text-overflow: ellipsis;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-005.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-005.html
index e50a80274a5e..b7ced3673dce 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-005.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-005.html
@@ -7,6 +7,7 @@
 <link rel="help" title="8.2. Overflow Ellipsis: the 'text-overflow' property" href="http://www.w3.org/TR/css3-ui/#text-overflow">
 <link rel="match" href="reference/text-overflow-005-ref.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>html{font-family:Ahem}</style>
 <div id=goat style="width:5em"><p style="text-overflow:ellipsis;overflow:hidden">XXXXXXXXXX</p></div>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-007.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-007.html
index f33cb7993a61..795dae40fa4a 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-007.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-007.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The ellipsis is placed immediately adjacent to the end edge of the remaining inline content, with no intervening gap.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   white-space: pre;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-008.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-008.html
index f22afc1d51f7..e4dbd761a05d 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-008.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-008.html
@@ -10,6 +10,7 @@
 	If the ellipsis character appears, it will be red (as it is styled after the block), and the test will fail.
 	If the first character is omitted rather than clipped, there will be no box at all, and the test will fail.
 -->
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   font: 100px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-010.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-010.html
index 4cbcb45b1739..aec768cb6979 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-010.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-010.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Implementations must hide atomic inlines and characters at the end of the line to make room for the ellipsis">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .green {
   position: absolute;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-011.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-011.html
index 60db1715c4cb..0fe96e65193b 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-011.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-011.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Implementations must hide at the *end* (not right) of the line to make room for the ellipsis">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   white-space: pre;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-013.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-013.html
index af56474d1d32..20c9a5c5ae10 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-013.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-013.html
@@ -6,6 +6,7 @@
 <link rel="match" href="reference/text-overflow-013-ref.html">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The ellipsis is be baseline aligned with the block, even if the thing it replaces isn't.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-014.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-014.html
index 380e5e4505c1..0fe5063a342f 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-014.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-014.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="The ellipsis' font family, font size, and color are styled according to the block.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-015.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-015.html
index 2269d5ea930f..3899fc6a1e2a 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-015.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-015.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Ellipsing occurs after relative positioning">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-017.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-017.html
index 05abb6125c01..561d4d0b6fe9 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-017.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-017.html
@@ -7,6 +7,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem interact dom">
 <meta name="assert" content="Ellipsing must not prevent dispatching of pointer events.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #test {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-020.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-020.html
index 6134921ec924..73f2b88e89d3 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-020.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-020.html
@@ -6,6 +6,7 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <meta name="flags" content="ahem">
 <meta name="assert" content="Nested paragraph won’t ellipse.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   overflow: hidden;
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-ref.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-ref.html
index a8795599ec3c..b471cf1c3163 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow-ref.html
@@ -1,6 +1,7 @@
 <!doctype html>
 <head>
 	<title>CSS Reftest Ellipsis Reference</title>
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style>
 		div { font-size:10px; }
 		span { font-family:Ahem; font-size:30px; }
diff --git a/tests/wpt/web-platform-tests/css/css-ui/text-overflow.html b/tests/wpt/web-platform-tests/css/css-ui/text-overflow.html
index 50af0313de5f..ba69ddc66ae1 100644
--- a/tests/wpt/web-platform-tests/css/css-ui/text-overflow.html
+++ b/tests/wpt/web-platform-tests/css/css-ui/text-overflow.html
@@ -8,6 +8,7 @@
     <link rel="match" href="text-overflow-ref.html">
     <meta name="flags" content="font ahem">
     <meta name="assert" content="'text-overflow:ellipsis' renders U+2026 when text is overflowing.">
+	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 	<style>
 	div {
 		font-size:10px;
diff --git a/tests/wpt/web-platform-tests/css/css-values/reference/ex-unit-001-ref.html b/tests/wpt/web-platform-tests/css/css-values/reference/ex-unit-001-ref.html
index 11a06e7210ce..daf375e43bf7 100644
--- a/tests/wpt/web-platform-tests/css/css-values/reference/ex-unit-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-values/reference/ex-unit-001-ref.html
@@ -3,6 +3,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   div {
     font-family: Arial, sans-serif;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-003.xht
index 7afdac589f09..75f84ff8e344 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-003.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-005.xht
index 250be9bf064e..3fb6af1adfe0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-005.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto', then set 'left' to the static position, the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-007.xht
index 28f4d7eabcd7..393e4d27ef09 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-007.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-009.xht
index 2a03c01871d5..19a28dc182cd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-009.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'bottom' to the static position, the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-011.xht
index 8486524b8c64..d4a910aa2db5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-011.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto', then set 'right' to the static position, the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-013.xht
index ce807a35f5bc..e5004c99b075 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-013.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'bottom' to the static position, the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-015.xht
index b9fcc33a27b6..c9ae65c856e6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-015.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' are 'auto' and bottom is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-017.xht
index 4cfec8610f00..262626b239a7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-017.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-019.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-019.xht
index bddfc31fbf74..0f17d375e0b7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-019.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-019.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-021.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-021.xht
index 276956a466b3..7372f0123f81 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-021.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-021.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-023.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-023.xht
index d8f92e7e5c40..fed2e6c4531b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-023.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-023.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-025.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-025.xht
index 598ed3a78205..6adfb0eaa8b6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-025.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-025.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' are 'auto' and bottom is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-027.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-027.xht
index a77af70246b7..0524fa9d5167 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-027.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-027.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-029.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-029.xht
index 92ea00ae9881..6c1628bef389 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-029.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-029.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-031.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-031.xht
index f6295cac80bb..1e85ef02797b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-031.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-031.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-033.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-033.xht
index ffae991131f1..e357af786039 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-033.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-033.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-035.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-035.xht
index 49f9d9f046e9..ddac802a414d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-035.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-035.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-037.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-037.xht
index 58feec54b035..5ac8d3472875 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-037.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-037.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-039.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-039.xht
index 0b5298e30129..3c978623d25a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-039.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-039.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-041.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-041.xht
index cbab2f8afdac..1ffcfad3c7e4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-041.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-041.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-043.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-043.xht
index aba77594bf09..f049cac796e5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-043.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-043.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-045.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-045.xht
index f06a919a0714..5844e94178ab 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-045.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-045.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-047.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-047.xht
index 5400d14a6512..41886d4dffa8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-047.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-047.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-049.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-049.xht
index 819f5bbcefc3..b4ed9e6dfe33 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-049.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-049.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-051.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-051.xht
index 05a66bebb6fe..2ccef67c82e3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-051.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-051.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-053.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-053.xht
index be724de9965c..a57d307b15ac 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-053.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-053.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-055.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-055.xht
index 0080a82563a5..79a23bf404ae 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-055.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-055.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-057.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-057.xht
index f929c3173744..86adfda202c3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-057.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-057.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-059.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-059.xht
index 51b4c6913647..4e09410600ba 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-059.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-059.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-061.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-061.xht
index 299723fe83b0..6ada389cf4a9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-061.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-061.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-063.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-063.xht
index ea95fab0d866..f4546d0b23c8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-063.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-063.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-065.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-065.xht
index 08318e135df9..88a6cf1b882a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-065.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-065.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' is 'auto', 'left' and 'right' are not 'auto', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-067.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-067.xht
index 580b55e8ae2d..84dcaf74ab2f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-067.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-067.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-069.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-069.xht
index c37fc3bb3bf3..db9b25b0d9c5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-069.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-069.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-071.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-071.xht
index ec2569a1e3c3..e180caf73465 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-071.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-071.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto', 'left' and 'right' are not 'auto', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-073.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-073.xht
index b4d1d31f9218..74e6bb131408 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-073.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-073.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-075.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-075.xht
index 4bb5a4c801b3..7349b31d8cd8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-075.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-075.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-077.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-077.xht
index c3f095d0a62f..9c8d339dd6b3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-077.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-077.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'left' and 'width' are not 'auto', then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-079.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-079.xht
index b3e881dc926f..a2a5aefc5348 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-079.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-079.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-081.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-081.xht
index aaba45cd6f1f..52775fd5ec6c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-081.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-081.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-083.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-083.xht
index 1bc63ff202d2..56cda7f053ae 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-083.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-083.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto', 'left' and 'width' are not 'auto', then solve for 'right'" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-085.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-085.xht
index 054b0d873857..d355fe8ba053 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-085.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-085.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-087.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-087.xht
index fb9e38eb638d..9cf55e038f39 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-087.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-087.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'bottom' and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-089.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-089.xht
index ab1386cd8895..00bc94aa6f1d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-089.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-089.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are not 'auto' (overconstrained), then ignore 'right' and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-091.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-091.xht
index 19e3fa58d353..a20317afea62 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-091.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-091.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'bottom' and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-093.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-093.xht
index d84dc9e52353..4a97488736e5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-093.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-093.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'top' and solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-095.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-095.xht
index 5f13ad4a578f..7441d402660c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-095.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-095.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are not 'auto' and if the values are overconstrained, then ignore 'left' and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-097.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-097.xht
index 5133275c3e58..3f6d8a8d4159 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-097.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-097.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'top' and solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-103.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-103.xht
index 76041d2a6e06..a2d79fcbcc8e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-103.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-103.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-105.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-105.xht
index febc1fe9ceca..733d1add670a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-105.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-105.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-107.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-107.xht
index 112b7f8b88e3..8e6072f99c23 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-107.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-107.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-109.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-109.xht
index 449b23cd9251..4d5ec4b5040e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-109.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-109.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-111.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-111.xht
index ed71a1b4ba0a..2c86adaf9877 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-111.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-111.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-113.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-113.xht
index 3c1f881a66bd..025997de7040 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-113.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-113.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-115.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-115.xht
index bbc4361d2419..a2534cc2b17d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-115.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-115.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-117.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-117.xht
index d7020a92b20b..b6a0419765b3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-117.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-117.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position, the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-119.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-119.xht
index 487bb0e6b9a2..8765b535a1e1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-119.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-119.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-121.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-121.xht
index 9c5846a6575c..b507666f9865 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-121.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-121.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-123.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-123.xht
index 248cbfe2fafd..65f3d46e9dfb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-123.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-123.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-125.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-125.xht
index 3dd84184853d..31760e3c60cf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-125.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-125.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-127.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-127.xht
index 0a8bd45dc2ee..fdaeed3226cc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-127.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-127.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-129.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-129.xht
index 421152dd2909..d8ad0a1a2c2d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-129.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-129.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-131.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-131.xht
index e6a185231091..a3e527e6e775 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-131.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-131.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-133.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-133.xht
index bddb8f05d84d..0fa5f304f7e1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-133.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-133.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-135.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-135.xht
index f4b04c8a5240..9f248c03571a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-135.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-135.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-137.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-137.xht
index a712e358b0ab..b88b5fc225ee 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-137.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-137.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to the static position and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-139.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-139.xht
index 1b4cd38fe069..bd19569e5d9d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-139.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-139.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-141.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-141.xht
index 7012e0ca4934..fbbef1728cc7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-141.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-141.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-143.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-143.xht
index 88c19bd408ca..091ad5803332 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-143.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-143.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-145.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-145.xht
index 8fd9f5501cb2..c8307154e6d2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-145.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-145.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to the static position and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-147.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-147.xht
index 98b4a07f27f2..3c0f2e8f5321 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-147.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-147.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-149.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-149.xht
index a531cef5cee4..6585da4888fd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-149.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-149.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-lr', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-151.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-151.xht
index efd08d3d4211..31f0d2213488 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-151.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-151.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-153.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-153.xht
index 04a86e25ff55..21def0e75e57 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-153.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-153.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-155.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-155.xht
index 373bc8d0495e..ecbbd7a80a33 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-155.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-155.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-157.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-157.xht
index 500e407ed76c..6163dbb68429 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-157.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-157.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-159.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-159.xht
index ac0c9897d8fa..da3fb332e6cb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-159.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-159.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-161.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-161.xht
index 5ed7172fc03a..31da2996c159 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-161.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-161.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto' and 'writing-mode' is 'vertical-lr', then then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-163.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-163.xht
index 798da69ee13d..ea522d771b16 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-163.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-163.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-165.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-165.xht
index fc237915642e..76fae7033857 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-165.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-165.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-lr', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-167.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-167.xht
index a024b2eb5104..ef7ebaf0af93 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-167.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-167.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-169.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-169.xht
index 92e289147100..a940c2034ab7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-169.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-169.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto', 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-171.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-171.xht
index 99188a0282a0..549af1dd9ce0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-171.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-171.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-173.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-173.xht
index 523b660abf50..3446610630bf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-173.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-173.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-175.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-175.xht
index 22020087d60d..e8ec19865726 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-175.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-175.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-177.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-177.xht
index eb970250e8e5..820ac35fff45 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-177.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-177.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto', 'height' and 'bottom' are not 'auto', then then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-179.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-179.xht
index 54226254803e..002f79adc94d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-179.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-179.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-181.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-181.xht
index 7103eb7d40e5..e986815fae48 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-181.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-181.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-183.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-183.xht
index adc53d743c8b..ce794b7b64d4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-183.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-183.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-185.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-185.xht
index 9eb688805d42..e3ebb4e0b5ce 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-185.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-185.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto', 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-187.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-187.xht
index d483e883bf02..689cbba9554d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-187.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-187.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-189.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-189.xht
index acba5da95b10..e3ec432a4c77 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-189.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-189.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-191.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-191.xht
index 559f1683199e..a43e27badd37 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-191.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-191.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-193.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-193.xht
index a3f1ec87be1f..55a763e619db 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-193.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-193.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto', 'top' and 'bottom' are not 'auto', then then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-195.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-195.xht
index 29f2a6f6c5f7..327e25710be6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-195.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-195.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-197.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-197.xht
index 79645a320601..1b1323d347e6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-197.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-197.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-199.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-199.xht
index 1db516d22ec2..3c92f25ee133 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-199.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-199.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
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     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-201.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-201.xht
index ebbf081d45ff..80a7a105190e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-201.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-201.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto', 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
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diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-203.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-203.xht
index bce73e6bbe8f..638c2831b4ad 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-203.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-203.xht
@@ -14,6 +14,7 @@
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   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
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   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-205.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-205.xht
index e53af96dc8c0..081fbb257549 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-205.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-205.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-207.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-207.xht
index b4bc771413d7..22d0577d1ce3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-207.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-207.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-209.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-209.xht
index 2c226d239576..3a3699546e79 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-209.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-209.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto', 'top' and 'height' are not 'auto', then then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-211.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-211.xht
index f72a10f434b8..7d7e07b2613b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-211.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-211.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-213.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-213.xht
index 05d3475b5d5e..2af581d865c2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-213.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-213.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-lr', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-215.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-215.xht
index 311510f3005d..584579ab78cd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-215.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-215.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-217.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-217.xht
index f4b3d5e08b88..fd2c29e2012e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-217.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-217.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'bottom' and 'height' are not 'auto' and if the values are over-constrained, then ignore the value for 'bottom' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-219.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-219.xht
index 2370d63d5390..ee779d438f81 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-219.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-219.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-221.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-221.xht
index 8525cadc1b39..2db8cbf058f3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-221.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-221.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-223.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-223.xht
index fbb65506a3d1..d458d4dc22b8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-223.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-223.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-225.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-225.xht
index 6f5e63ec1649..e859d2b4cdeb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-225.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-225.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'bottom' and 'height' are not 'auto' and if the values are over-constrained, then ignore the value for 'bottom' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-227.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-227.xht
index 806187bce675..215bc5ad98a8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-227.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-227.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-229.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-229.xht
index 75527d066888..a184b755a14e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-229.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vlr-229.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-lr' and if the values are over-constrained, then ignore the value for 'right' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-002.xht
index 53fc77378546..0fd85db8f82b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-002.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-004.xht
index a549f2f76441..56ef882754b9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-004.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto', then set 'left' to the static position, the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-006.xht
index 413e8ce868a2..a4ebdbdd7a55 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-006.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-008.xht
index 904a4c884e6a..4046dfacbc8e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-008.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'bottom' to the static position, the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-010.xht
index 81e0d316aed5..5e432a2ecf5b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-010.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto', then set 'right' to the static position, the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-012.xht
index 1555acbebfbe..6baf1f97cb45 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-012.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'bottom' to the static position, the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-014.xht
index c2463f9863cf..57541b5981ce 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-014.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-016.xht
index 0dc25a1f1937..ceeb90b0f1d9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-016.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-018.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-018.xht
index 28391d452ce9..6b3ba71eee18 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-018.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-018.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-020.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-020.xht
index a2e605a23420..4243443342b7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-020.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-020.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-022.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-022.xht
index 4703e99754fb..de39c12aca07 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-022.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-022.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width becomes shrink-to-fit and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-024.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-024.xht
index 8ea7f065cb35..3da1bbb49163 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-024.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-024.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on the content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-026.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-026.xht
index 79c8c610d56e..30d6dae93426 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-026.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-026.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-028.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-028.xht
index 0b66336be344..82fd5a8f1a4f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-028.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-028.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto', then set 'left' to the static position and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-030.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-030.xht
index c6109eede832..a55b68cb0248 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-030.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-030.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-032.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-032.xht
index 50f0a9d9d6e5..c060205edf77 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-032.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-032.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-034.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-034.xht
index 8bddcf59dc49..ab6c6331f436 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-034.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-034.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-036.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-036.xht
index 3a42619b0afe..9ed00d76cff0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-036.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-036.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to static position and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-038.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-038.xht
index d66ef8bff8f6..4137f3c6b78d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-038.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-038.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-040.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-040.xht
index 83010475ab36..658c8deaf570 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-040.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-040.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-042.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-042.xht
index 97ed0d644381..2dbe429fd575 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-042.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-042.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-044.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-044.xht
index 6f229a27c83e..fbe8af38f61a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-044.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-044.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-046.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-046.xht
index 8588dcf629ed..2b7e896453b3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-046.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-046.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto', then the width becomes shrink-to-fit and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-048.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-048.xht
index 29814f5f36b4..1daeaa3ad16a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-048.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-048.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-050.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-050.xht
index 06b1992abfc7..1220dcfa89d3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-050.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-050.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-052.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-052.xht
index daf2fa51f272..e78716a30218 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-052.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-052.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-054.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-054.xht
index e13d2ed2e1b8..91cbed69f7b4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-054.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-054.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-056.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-056.xht
index f39988bb5697..598d2ef13d94 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-056.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-056.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-058.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-058.xht
index 6c674fadeab8..90e9128cfe91 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-058.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-058.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto', 'width' and 'right' are not 'auto', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-060.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-060.xht
index 226b97d17f13..1344aca215b0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-060.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-060.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto' and 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-062.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-062.xht
index 68618c20103e..680b0a4e3b28 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-062.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-062.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-064.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-064.xht
index aff340a15656..139b9dce553d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-064.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-064.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' is 'auto', 'left' and 'right' are not 'auto', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-066.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-066.xht
index 173cf7981d4e..1d99ec1d6932 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-066.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-066.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-068.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-068.xht
index e92e021c9448..05166bfdd4d7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-068.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-068.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-070.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-070.xht
index 1f3ada5f19ce..371236028754 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-070.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-070.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto', 'left' and 'right' are not 'auto', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-072.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-072.xht
index b60722cdd3aa..e1fe004ba7d2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-072.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-072.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto' and 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-074.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-074.xht
index fbed106f94d2..06bc44d17213 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-074.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-074.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-076.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-076.xht
index d8c74ea630fb..08cb6f4d9acc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-076.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-076.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'left' and 'width' are not 'auto', then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-078.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-078.xht
index d907a6700d4b..ec97755e5246 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-078.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-078.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-080.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-080.xht
index b7dcd6cead78..6861dcdebfc0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-080.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-080.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-082.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-082.xht
index 8315acce4290..9644363e6b56 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-082.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-082.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto', 'left' and 'width' are not 'auto', then solve for 'right'" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-084.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-084.xht
index 9b2910ccc4fc..29a68a2d3b07 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-084.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-084.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto' and 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-086.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-086.xht
index 244b0f6ffe42..2c0bdb7b0999 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-086.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-086.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'bottom' and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-088.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-088.xht
index c23c9ed01583..7d3e7f78ea1e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-088.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-088.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are not 'auto' (overconstrained), then ignore 'right' and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-090.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-090.xht
index 17d5e316f958..65cb4cbaf54d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-090.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-090.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'bottom' and solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-092.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-092.xht
index fc95b11c11a7..764858f86fa9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-092.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-092.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'top' and solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-094.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-094.xht
index c4f8d61f3afe..da29ddbe1578 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-094.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-094.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are not 'auto' and if the values are overconstrained, then ignore 'left' and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-096.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-096.xht
index 21cad8204684..22f7e821a9df 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-096.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-096.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are not 'auto' and if the values are overconstrained, then ignore 'top' and solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-102.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-102.xht
index 8cffcc802117..c8a3ca9cb718 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-102.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-102.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-104.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-104.xht
index 8768dec1369a..6ae59ce46dd9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-104.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-104.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-106.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-106.xht
index a556501adb5a..75b5a3274f2c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-106.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-106.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-108.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-108.xht
index 45dd937e18df..654acb75a3e6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-108.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-108.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-110.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-110.xht
index 57f9faf0fe04..35c24bfbff99 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-110.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-110.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-112.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-112.xht
index c6093af64506..55da1d13960d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-112.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-112.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'height' and 'bottom' are 'auto', then set 'top' to the static position, the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-114.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-114.xht
index 338b869e26c4..a8a73094b709 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-114.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-114.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-116.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-116.xht
index 3d6d2929093c..ebf9e1e7d3b2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-116.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-116.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'width' and 'right' are 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position, the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-118.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-118.xht
index 20cde5298867..12f12e13bd0f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-118.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-118.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-120.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-120.xht
index a70a2ba498a6..13849646abb9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-120.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-120.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-122.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-122.xht
index 1471e00061f7..788faa3f71d5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-122.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-122.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-124.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-124.xht
index a7fb96547cc9..401b10906437 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-124.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-124.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-126.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-126.xht
index 321456aca05f..508a0955a0c2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-126.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-126.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-128.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-128.xht
index 7acb904568ef..dcae13096e2b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-128.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-128.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then the height is based on content and then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-130.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-130.xht
index 3f5bb53bd665..6610dbde3c04 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-130.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-130.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-132.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-132.xht
index 6c1aea27ea92..ba28a2bef880 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-132.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-132.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' and 'right' are 'auto' and 'left' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-134.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-134.xht
index 149c4c1e9024..acc2d46365ba 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-134.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-134.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-136.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-136.xht
index 8e244b412af8..b0cb071e6948 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-136.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-136.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to the static position and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-138.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-138.xht
index a2e625b5e601..787af262acf6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-138.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-138.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-140.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-140.xht
index ae8cf1ab25bf..b2b6462b9d49 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-140.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-140.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-142.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-142.xht
index e785c1cce9db..dbcd48310579 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-142.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-142.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-144.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-144.xht
index ed97ae4220a9..15e3d5002fd9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-144.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-144.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then set 'top' to the static position and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-146.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-146.xht
index cf8f56cdeb93..df2cc3688217 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-146.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-146.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-148.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-148.xht
index b453339a2f63..5b716fc21925 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-148.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-148.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'right' are 'auto' and 'width' is not 'auto' and 'writing-mode' is 'vertical-rl', then set 'right' to the static position and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-150.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-150.xht
index c4b75ca66c87..6a7a6324a036 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-150.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-150.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-152.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-152.xht
index 7e0d2dfc2e5f..491754583d35 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-152.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-152.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then the height is based on content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-154.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-154.xht
index a88f7c1272b9..d83c0a34b8cd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-154.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-154.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-156.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-156.xht
index c319d5926f14..b435096b502a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-156.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-156.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-158.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-158.xht
index 72894de05afa..701159f19d0e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-158.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-158.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-160.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-160.xht
index 40947fb2f01e..f6822d476038 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-160.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-160.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' and 'bottom' are 'auto' and 'top' is not 'auto' and 'writing-mode' is 'vertical-rl', then then the height is based on the content and then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-162.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-162.xht
index b70ffd29c239..32c2c9bd3d76 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-162.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-162.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-164.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-164.xht
index ac96abfd9d44..44c741c15e48 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-164.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-164.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' and 'width' are 'auto' and 'right' is not 'auto' and 'writing-mode' is 'vertical-rl', then the width is based on the content and then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-166.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-166.xht
index 8a606bcbb9b1..b01972baedb5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-166.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-166.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'right'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-168.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-168.xht
index 18e64cc322eb..a07b0ec64d73 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-168.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-168.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top' is 'auto', 'height' and 'bottom' are not 'auto', then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-170.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-170.xht
index 61fde01a92e9..ed82d648f503 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-170.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-170.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-172.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-172.xht
index ece68d65e97c..8c20f14bad46 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-172.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-172.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-174.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-174.xht
index 5cb3fc6d0ce6..0f8e3db0e494 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-174.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-174.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-176.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-176.xht
index ad7c1c4441f8..54f12dccd97c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-176.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-176.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top' is 'auto', 'height' and 'bottom' are not 'auto', then then solve for 'top'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-178.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-178.xht
index 6dd729f211d5..1a6d0b3a6869 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-178.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-178.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-180.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-180.xht
index 0995a2ba000e..319c43eea9c6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-180.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-180.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'right' is 'auto' and 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-182.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-182.xht
index 7f741fca4fa1..3c729e9ff431 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-182.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-182.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'right' is 'auto', 'width' and 'left' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-184.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-184.xht
index 44bad2bd3872..e63eee1f76e1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-184.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-184.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'height' is 'auto', 'top' and 'bottom' are not 'auto', then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-186.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-186.xht
index 9c928ff4cf72..98a6c4bf2539 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-186.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-186.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-188.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-188.xht
index 99cc2e171551..9915e1cb7baf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-188.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-188.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-190.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-190.xht
index 1f283aec2ef9..e4a398dff67d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-190.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-190.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-192.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-192.xht
index 6f68af7692f1..c38ba88164a3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-192.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-192.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'height' is 'auto', 'top' and 'bottom' are not 'auto', then then solve for 'height'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-194.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-194.xht
index 2a658d845795..5cdd83f80e90 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-194.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-194.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-196.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-196.xht
index 4cb22607e53c..54dbd4f599ff 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-196.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-196.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'width'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-198.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-198.xht
index b2b925063f5d..6b6ad67ff21b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-198.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-198.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-200.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-200.xht
index e2570e58272a..db7044e83122 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-200.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-200.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'bottom' is 'auto', 'top' and 'height' are not 'auto', then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-202.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-202.xht
index db76fefb71af..9aa73d7025df 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-202.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-202.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-204.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-204.xht
index 1e785c9816c4..4b436eff2e32 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-204.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-204.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-206.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-206.xht
index e6eeb3ecd267..40526469f4bc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-206.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-206.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-208.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-208.xht
index 09b80179204b..829623371e34 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-208.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-208.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'bottom' is 'auto', 'top' and 'height' are not 'auto', then then solve for 'bottom'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-210.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-210.xht
index bcde729f13a8..ddb3d59f022b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-210.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-210.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left' is 'auto' and 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-212.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-212.xht
index e9153294b2f4..a3e3e90a0ab5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-212.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-212.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'width' is 'auto' and 'left' and 'right' are not 'auto' and 'writing-mode' is 'vertical-rl', then solve for 'left'." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-214.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-214.xht
index 736e5fc4b1e3..2495432ed4a3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-214.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-214.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-216.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-216.xht
index 3eab7e5ae406..9c58d0c569e4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-216.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-216.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'top', 'bottom' and 'height' are not 'auto' and if the values are over-constrained, then ignore the value for 'bottom' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-218.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-218.xht
index 6d04174b1258..6a32fe3d36bc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-218.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-218.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-220.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-220.xht
index 27530fd35bc3..d95fda337fdb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-220.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-220.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'ltr' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-222.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-222.xht
index b0cd3e98aa88..8597326294f6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-222.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-222.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-224.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-224.xht
index 45eecf8d591a..02da28497d70 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-224.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-224.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'top', 'bottom' and 'height' are not 'auto' and if the values are over-constrained, then ignore the value for 'bottom' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-226.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-226.xht
index 1a1ffc21421c..a5a954839139 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-226.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-226.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-228.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-228.xht
index e2cb46aad96c..c7f8272873dd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-228.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-non-replaced-vrl-228.xht
@@ -14,6 +14,7 @@
   <meta name="flags" content="ahem image" />
   <meta name="assert" content="When 'direction' is 'rtl' and 'left', 'right' and 'width' are not 'auto' and 'writing-mode' is 'vertical-rl' and if the values are over-constrained, then ignore the value for 'left' and solve for that value." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-002.xht
index 20ff8c6a2165..617a412ffd2e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the baseline-alignment of an empty inline-block box in the line box with 'writing-mode' set to 'vertical-rl' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-003.xht
index 79aeb04794e6..959f501fd9aa 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the baseline-alignment of an empty inline-block box in the line box with 'writing-mode' set to 'vertical-rl' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-004.xht
index 32aca310a282..0282408f89d7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the baseline-alignment of a non-empty inline-block box in the line box with 'writing-mode' set to 'vertical-rl' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-005.xht
index a0bc226fa7b3..ce6097a24492 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-non-replaced-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the baseline-alignment of a non-empty inline-block box in the line box with 'writing-mode' set to 'vertical-rl' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-002.xht
index 7417651358c9..097f892fc25b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that the baseline-alignment of an image in the line box of a block with 'writing-mode' set to 'vertical-rl' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-003.xht
index 742c011d2c64..1459d171c802 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/baseline-inline-replaced-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that the baseline-alignment of an image in the line box of a block with 'writing-mode' set to 'vertical-lr' is 'central' and not 'alphabetic'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-001-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-001-ref.xht
index 980c655489ea..b3f4ef46f28a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-001-ref.xht
@@ -6,6 +6,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-002-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-002-ref.xht
index 0c0e31119428..f0074b3b0e35 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-002-ref.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-004.xht
index 5670da75fe90..9124d7d972b6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the default, initial value of writing-mode is 'horizontal-tb'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-043-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-043-ref.xht
index 6f7ea5e14988..4e886c5065a6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-043-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-043-ref.xht
@@ -10,6 +10,7 @@
 
   <meta name="flags" content="ahem" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-htb-001.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-htb-001.xht
index f6186b296eba..eb37aa9cafc7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-htb-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-htb-001.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that block-level boxes in a 'horizontal-tb' writing mode are laid out one after the other, vertically, with the first beginning at the top of a containing block; they are ordered from top to bottom meaning that the 1st block box is the topmost one, then the 2nd block is juxtaposed at its bottom, then the 3rd block is juxtaposed to the 2nd block at its bottom, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-003.xht
index fabe8f967819..720c9808ea56 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that block-level boxes in a block formating context with 'writing-mode' set to 'vertical-lr' are laid out one after the other with the first beginning at the left-hand side of its containing block; they are ordered from left to right meaning that the 1st block box is the leftmost one and, then the 2nd block is juxtaposed at the right-hand side of 1st block, then the 3rd block is juxtaposed at the 2nd block on its right-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-007.xht
index 5853d828c191..2e7545f694c8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that a right-floated box with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-008.xht
index 4a07092d43ef..614ea6bcb440 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that right-floated boxes with 'writing-mode' set to 'vertical-lr' establish block formating contexts with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-010.xht
index 5c0ed27ebf31..847fa0481af4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an absolutely positioned box with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-014.xht
index ea2f25c3bed1..ad49e098baf4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-014.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-015.xht
index da1b1af1bebe..fb8ef5302a13 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-015.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-016.xht
index d75986b9105d..cc57c23f7d08 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-016.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-020.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-020.xht
index 61392893c0f4..89fe29d53c31 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-020.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-020.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that a table-caption with its 'writing-mode' set to 'vertical-lr' establishes a block formating context with a left-to-right block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-022.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-022.xht
index 4e5774831b27..abdc5708e182 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-022.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-022.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that block-level boxes in a block formating context with 'writing-mode' set to 'vertical-lr' are laid out one after the other with the first beginning at the left-hand side of its containing block; they are ordered from left to right meaning that the 1st block box is the leftmost one and then the 2nd block is juxtaposed to the right-hand side of 1st block, the 3rd block is juxtaposed to the 2nd block on its right-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-023.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-023.xht
index 7ac79b94f3a5..7e1723b297f1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-023.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vlr-023.xht
@@ -17,6 +17,7 @@
   This test is a variation of block-flow-direction-003 test.
   -->
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-002.xht
index 134570f9a2f8..929db6850f59 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that block-level boxes in a block formating context with 'writing-mode' set to 'vertical-rl' are laid out one after the other with the first beginning at the right-hand side of its containing block; they are ordered from right to left meaning that the 1st block box is the rightmost one, then the 2nd block is juxtaposed at its left-hand side, then the 3rd block is juxtaposed at the 2nd block on its left-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-005.xht
index 49f843ee25f4..2a21d9cc5000 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that a left-floated box with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-006.xht
index 7affbc983803..5969dcb4f2c9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that left-floated boxes with 'writing-mode' set to 'vertical-rl' establish block formating contexts with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-009.xht
index 06382cf904a0..6e153c6f9828 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an absolutely positioned box with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-011.xht
index 5fb7da2e6716..eab8bbf1102e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-012.xht
index 23b29860d691..95ec13e451ac 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-013.xht
index b3c6489b6e4f..88b642752cd2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-013.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that an inline-block with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-019.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-019.xht
index 6f6b7abb165c..214496299076 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-019.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-019.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that a table-caption with its 'writing-mode' set to 'vertical-rl' establishes a block formating context with a right-to-left block flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-021.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-021.xht
index 139bacdf1dee..3204969564b2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-021.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-021.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that block-level boxes in a block formating context with 'writing-mode' set to 'vertical-rl' are laid out one after the other with the first beginning at the right-hand side of its containing block; they are ordered from right to left meaning that the 1st block box is the rightmost one and then the 2nd block is juxtaposed to its left-hand side, the 3rd block is juxtaposed to the 2nd block on its left-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-024.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-024.xht
index 4012889dee3d..76b9fe6459ca 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-024.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-024.xht
@@ -17,6 +17,7 @@
   This test is a variation of block-flow-direction-002 test.
   -->
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026-ref.xht
index 6bc3f7d2d301..763bec577cb1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026-ref.xht
@@ -5,6 +5,7 @@
 		<title>CSS Reftest Reference</title>
 		<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
 		<meta name="flags" content="ahem" />
+		<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 		<style type="text/css">
 				div
 				{
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026.xht
index e055db926ef3..1755ac5508e2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/block-flow-direction-vrl-026.xht
@@ -9,6 +9,7 @@
 		<link rel="match" href="block-flow-direction-vrl-026-ref.xht" />
 		<meta name="flags" content="ahem" />
 		<meta name="assert" content="This test checks 1.block flow direction, 2.inline direction when 'writing-mode' is set to 'vertical-rl'." />
+		<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 		<style type="text/css">
 				.view_ahem
 				{
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-003.xht
index 4f1cc5f977b8..533f14c159e9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-003.xht
@@ -14,6 +14,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that first value of 'border-spacing' represents, from top to bottom, a) spacing between logical table left padding (physical table top padding) and leftmost cells and b) inter-column spacing and c) spacing between rightmost cells and logical table right padding (physical table bottom padding)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-005.xht
index d3060c554941..37489b15dcfa 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vlr-005.xht
@@ -14,6 +14,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that second value of 'border-spacing' represents, from left to right, a) spacing between logical table top padding (physical table left padding) and topmost cells and b) inter-row spacing and c) spacing between bottommost cells and logical table bottom padding (physical table right padding)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-002.xht
index f0cd6266ec40..392d8610cae7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-002.xht
@@ -14,6 +14,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that first value of 'border-spacing' represents, from top to bottom, a) spacing between logical table right padding (physical table top padding) and rightmost cells and b) inter-column spacing and c) spacing between leftmost cells and logical table left padding (physical table bottom padding)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-004.xht
index 6fd139fb296d..ce76be1c209e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/border-spacing-vrl-004.xht
@@ -14,6 +14,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that second value of 'border-spacing' represents, from right to left, a) spacing between logical table top padding (physical table right padding) and topmost cells and b) inter-row spacing and c) between bottommost cells and logical table bottom padding (physical table left padding)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-003.xht
index fb7b9e16e5d0..94ed6a05f8ee 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when 'caption-side' is set to 'top' in a vertical-lr table, then the caption is placed at the block-start side of the table, which is on the lefthand side of such table." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   table#test-overlapping-green
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-005.xht
index cc8b56b9eb70..cff0c9bbdd80 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when 'caption-side' is set to 'bottom' in a vertical-lr table, then the caption is placed at the block-end side of the table, which is on the righthand side of such table." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#reference-overlapped-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-002.xht
index 90e90f1e2423..efce0af356cb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when 'caption-side' is set to 'top' in a vertical-rl table, then the caption is placed at the block-start side of the table, which is on the righthand side of such table." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#reference-overlapped-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-004.xht
index d83e8a64e39e..59d84cdf7834 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/caption-side-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when 'caption-side' is set to 'bottom' in a vertical-rl table, then the caption is placed at the block-end side of the table, which is on the lefthand side of such table." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#reference-overlapped-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-002.xht
index 2d8959db372c..4795a1b6a795 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-002.xht
@@ -13,6 +13,7 @@
   <meta content="This test checks that the central baseline is used as the dominant baseline when 'text-orientation' is 'upright' in vertical writing-mode." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#textorient-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-003.xht
index f63b4d355160..71eb26f0ba80 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/central-baseline-alignment-003.xht
@@ -13,6 +13,7 @@
   <meta content="This test checks that the central baseline is used as the dominant baseline when 'text-orientation' is 'upright' in vertical writing-mode." name="assert" />
   <meta content="ahem" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#textorient-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-002.xht
index 9b70f4cd374b..a1b5661e228d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-002.xht
@@ -18,6 +18,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a clearing element has a right margin (in a block formating context with 'writing-mode' set to 'vertical-rl') larger than the width of a floated element, then the right margin is collapsed with the margin-left of preceding in-flow sibling. The clearing element is then placed at the point of the resulting collapsed margin." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-004.xht
index 0d4918c73fea..0da708dddb47 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-004.xht
@@ -18,6 +18,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that if, after margin collapsing, the position of the clearing element is on the right of the float or would be hypothetically positioned within the layout position of the float, then the clearing element is positioned directly on the left of the floated element." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-006.xht
index 1c5adb03644d..16cf8367c5ea 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/clearance-calculations-vrl-006.xht
@@ -18,6 +18,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a clearing element (in a block formating context with 'writing-mode' set to 'vertical-rl') has a right margin larger than the width of a floated element, then the right margin is collapsed with the margin-left of preceding in-flow sibling. The clearing element is then placed at the point of the resulting collapsed margin." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-003.xht
index 86309b731706..6402f69e41bd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a block box has 'direction' set to 'rtl' in a vertical writing-mode, then inlines boxes are aligned from line-right to line-left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-005.xht
index 730bddaa9732..2ea23b7d3af8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a block box has 'direction' set to 'ltr' in a vertical writing-mode, then inlines boxes are aligned from line-left to line-right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-002.xht
index 1f1074a9245c..fecdf1a97b9b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a block box has 'direction' set to 'rtl' in a vertical writing-mode, then inlines boxes are aligned from line-right to line-left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-004.xht
index 7d0460022e50..16dd1c9eb349 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/direction-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that when a block box has 'direction' set to 'ltr' in a vertical writing-mode, then inlines boxes are aligned from line-left to line-right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-003.xht
index 3392e65cd7c1..aab281c3bb0d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-003.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-005.xht
index 6391d8bd1b76..3d021ddfbef8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vlr-005.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-002.xht
index ae7a939703c3..17537f168717 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-002.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-004.xht
index e550cb0d53f5..63c33dd0207e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-clear-vrl-004.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-011.xht
index 36c5003462dd..2858a4557253 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks the flow of contiguous left-floated boxes with 'writing-mode' set to 'vertical-lr'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#reference-overlapped-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-013.xht
index 4dee731ae2f8..6cc7ca6bc50b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vlr-013.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks the flow of contiguous right-floated boxes with 'writing-mode' set to 'vertical-lr'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   p
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-010.xht
index a650ce4af8c7..9d2cc968636b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks the flow of contiguous left-floated boxes with 'writing-mode' set to 'vertical-rl'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#reference-overlapped-red
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-012.xht
index 2936d4796f8b..4da4622586c4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-contiguous-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks the flow of contiguous right-floated boxes with 'writing-mode' set to 'vertical-rl'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   p
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-003.xht
index 0cacf8e7a731..1a0850ecbf42 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-005.xht
index 5955f23d7de3..11b4db627a66 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-007.xht
index 2416c16ddfca..09022f68ee11 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-009.xht
index 7c0e2df580e0..a8c51da66255 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vlr-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' applying on logical width must not reduce content but size to fit to its content. In this test, 'L' and 'R' glyphs must be rendered." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-002.xht
index bbf47f6b82a3..8aa1ff9ccb89 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-004.xht
index f2dde89a341c..3774c796a900 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-006.xht
index 3794dae6fe5d..be35de5ce759 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' width is applied on logical width (measure)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-008.xht
index 803863beff96..db39da1308ea 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' applying on logical width must not reduce content but size to fit to its content. In this test, 'L' and 'R' glyphs must be rendered." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#test-floated-left
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-vlr-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-vlr-016.xht
index 133556d1d874..3dfcd4716caa 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-vlr-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-shrink-to-fit-vrl-vlr-016.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that 'shrink-to-fit' rule (CSS2.1, §10.3.5) is applied onto logical width in vertical writing-modes. This test thoroughly checks systematically the 16 combinations of 'writing-mode: vertical-rl', 'writing-mode: vertical-lr', with 'float: left', with 'float: right' and with left and/or right border(s). Not tested here is 'padding-left' and 'padding-right'." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div.test
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-003.xht
index 9ca35074c0d6..cf65a52db8cf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated right box in a containing block with 'writing-mode' set to 'vertical-lr' will be floated at the line-right side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-005.xht
index 0426bf80f089..70bda18558ff 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated right box in a containing block with 'writing-mode' set to 'vertical-lr' will be floated at the line-right side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-007.xht
index 2f934c7be183..3207535fa09a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box in a containing block with 'writing-mode' set to 'vertical-lr' will be floated at the line-left side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-009.xht
index 99dd10dd4320..3efe0d065834 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box in a containing block with 'writing-mode' set to 'vertical-lr' will be floated at the line-left side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-011.xht
index 1f9a75eacafe..e452680c42b3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box and a floated right box in a containing block with 'writing-mode' set to 'vertical-lr' will be respectively floated at the line-left side of its line box and floated at line-right of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-013.xht
index 7a1550a416c4..e96bff66d47d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vlr-013.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box and a floated right box in a containing block with 'writing-mode' set to 'vertical-lr' will be respectively floated at the line-left side of its line box and floated at line-right of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-002.xht
index 1cb1d4512649..f15ab73efbee 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated right box in a containing block with 'writing-mode' set to 'vertical-rl' will be floated at the line-right side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-004.xht
index e1ae17fe089a..317adb48f18c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated right box in a containing block with 'writing-mode' set to 'vertical-rl' will be floated at the line-right side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-006.xht
index d998247e56f7..7a7d55a83839 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box in a containing block with 'writing-mode' set to 'vertical-rl' will be floated at the line-left side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-008.xht
index 7784a4a96217..fdfcd9c4b6e9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box in a containing block with 'writing-mode' set to 'vertical-rl' will be floated at the line-left side of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-010.xht
index 039556a98fe9..24ce2414e004 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box and a floated right box in a containing block with 'writing-mode' set to 'vertical-rl' will be respectively floated at the line-left side of its line box and floated at line-right of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-012.xht
index 3e24ad63da5a..8cf9c16ce4cf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/float-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that a floated left box and a floated right box in a containing block with 'writing-mode' set to 'vertical-rl' will be respectively floated at the line-left side of its line box and floated at line-right of its line box." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#wrapper
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vlr-003.xht
index 9594e306e6ab..6671d48ab847 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vlr-003.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that height and width declarations do not apply to inline non-replaced elements in vertical writing-modes." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vrl-002.xht
index 856d1c50b592..492cbf3545ec 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/height-width-inline-non-replaced-vrl-002.xht
@@ -15,6 +15,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that height and width declarations do not apply to inline non-replaced elements in vertical writing-modes." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-002.xht
index 7568c087d2ca..41141e3de4df 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-002.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-003.xht
index c8dc45625c31..b2a099175fd3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-003.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-003-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-004.xht
index d8020915125e..1ade276db75f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-004.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-005.xht
index 5ba563d2f26b..fb985a6d2866 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-005.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-003-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-006.xht
index 6b4459d5bb69..a3aad3ac175b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-006.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-006-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'sideways', then the alphabetical baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-007.xht
index 98736a5cdf7a..76d7f79ecb85 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-007.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-006-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-block baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'sideways', then the alphabetical baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-003.xht
index e3783cfdd06d..53e98c1e1b9d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-003.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-orthogonal-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' of the containing block of an inline-block in orthogonal flow is 'horizontal-tb', then the dominant baseline used is the alphabetical baseline. In this test, the inline-block should be 'sitting' on the alphabetical baseline, therefore creating a straight and unbroken bottom edge." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#horiz-tb
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-005.xht
index f47789046fa7..b9e3690a7e99 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vlr-005.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-orthogonal-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' of the containing block of an inline-block in orthogonal flow is 'horizontal-tb', then the dominant baseline used is the alphabetical baseline. In this test, the inline-block should be 'sitting' on the alphabetical baseline, therefore creating a straight and unbroken bottom edge." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#horiz-tb
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-002.xht
index c8e86dc9aa2d..a77c0cc3b01f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-002.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-orthogonal-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' of the containing block of an inline-block in orthogonal flow is 'horizontal-tb', then the dominant baseline used is the alphabetical baseline. In this test, the inline-block should be 'sitting' on the alphabetical baseline, therefore creating a straight and unbroken bottom edge." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#horiz-tb
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-004.xht
index ce87900ddc94..d26684f3a7ce 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-block-alignment-orthogonal-vrl-004.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-block-alignment-orthogonal-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' of the containing block of an inline-block in orthogonal flow is 'horizontal-tb', then the dominant baseline used is the alphabetical baseline. In this test, the inline-block should be 'sitting' on the alphabetical baseline, therefore creating a straight and unbroken bottom edge." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#horiz-tb
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vlr-005.xht
index 8c98e34a81a7..ad8950646e69 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that, while the content of inline replaced elements do not rotate in vertical writing mode, they are nevertheless laid out from top to bottom (inline base direction) in a line box and their baseline-alignment is central (not alphabetic) and then the following lines boxes (line box direction within a block container) are ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vrl-004.xht
index 5de456772248..47291491946d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-replaced-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that, while the content of inline replaced elements do not rotate in vertical writing mode, they are nevertheless laid out from top to bottom (inline base direction) in a line box and their baseline-alignment is central (not alphabetic) and then the following lines boxes (line box direction within a block container) are ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-002.xht
index 36c0252b553f..05544f1a365b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-002.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-table-alignment-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-table baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-003.xht
index 0d9bef7a1bf3..b0d2b322de2f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-003.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-table-alignment-003-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-table baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-004.xht
index c7b28a0ddd44..bcef77d53dff 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-004.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-table-alignment-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-table baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-005.xht
index 3c089210bbdc..2a5fe550ac1e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/inline-table-alignment-005.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="inline-table-alignment-003-ref.xht" />
     <meta name="assert" content="This test checks the generation of inline-table baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-htb-001.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-htb-001.xht
index 18555bc17778..38b78ef03f08 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-htb-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-htb-001.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes of a block box in a 'horizontal-tb' writing mode are laid out one after the other, vertically, with the first beginning at the top of the block box; they are ordered from top to bottom meaning that the 1st line box is the topmost one and then the 2nd block is juxtaposed to its bottom, the 3rd block is juxtaposed to the 2nd block on its left-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
   {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-003.xht
index b6d866dd119c..87f418d93290 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes in a block box with 'writing-mode' set to 'vertical-lr' are laid out one after the other with the first beginning at the left-hand side of the block box; they are ordered from left to right meaning that the 1st line box is the leftmost one and then the 2nd line box is juxtaposed to the right-hand side of 1st line box, the 3rd line box is juxtaposed to the 2nd line box on its right-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-007.xht
index 50dd3c57b975..109ba433af85 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the line boxes of a right-floated box with its 'writing-mode' set to 'vertical-lr' will be ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-008.xht
index 504e61e6ed95..cd4327839ea3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the line boxes of right-floated boxes with 'writing-mode' set to 'vertical-lr' will be ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-010.xht
index 6979913d1544..9e8bd2abcef8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes of an absolutely positioned box with its 'writing-mode' set to 'vertical-lr' will be ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-013.xht
index f1e6067cbbd6..fecb4f552b73 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-013.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that lines boxes of descendant block boxes of an inline-block with its 'writing-mode' set to 'vertical-lr' are ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-014.xht
index 03f7850f47f9..51d4fe91aa1e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-014.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that lines boxes of descendant block boxes of inline-blocks with 'writing-mode' set to 'vertical-lr' are ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-018.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-018.xht
index f539f926c8d7..24c7ed33a837 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-018.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-018.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the lines boxes of a table-caption with its 'writing-mode' set to 'vertical-lr' are ordered from left to right." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-020.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-020.xht
index e201d63afc07..f712eaac0420 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-020.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vlr-020.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes in a block box with 'writing-mode' set to 'vertical-lr' are laid out one after the other with the first beginning at the left-hand side of the block box; they are ordered from left to right meaning that the 1st line box is the leftmost one and then the 2nd line box is juxtaposed to the right-hand side of 1st line box, the 3rd line box is juxtaposed to the 2nd line box on its right-hand side, etc... " name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-002.xht
index 39ba7e447b3c..4ef23f642aa1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes of a block box in a 'vertical-rl' writing mode are laid out one after the other, leftwardedly, with the first beginning at the rightmost line of the block box; they are ordered from right to left meaning that the 1st line box is the rightmost one and then the 2nd line box is juxtaposed to its left-hand side, the 3rd block is juxtaposed to the 2nd line box on its left-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-005.xht
index 34d40e1da468..727abf084e26 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the line boxes of a left-floated box with its 'writing-mode' set to 'vertical-rl' will be ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-006.xht
index 414a98906ed5..230c537d701c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the line boxes of left-floated boxes with 'writing-mode' set to 'vertical-rl' will be ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-009.xht
index 2c3e1c70c9fa..051390d30530 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes of an absolutely positioned box with its 'writing-mode' set to 'vertical-rl' will be ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-011.xht
index 94b05b195bd5..5857e7437dc4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that lines boxes of descendant block boxes of an inline-block with its 'writing-mode' set to 'vertical-rl' are ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-012.xht
index 2f57f2983305..68187dec7c16 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that lines boxes of descendant block boxes of inline-blocks with 'writing-mode' set to 'vertical-rl' are ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-017.xht
index 0dd4442901de..2f1ef84d3045 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-017.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that the lines boxes of a table-caption with its 'writing-mode' set to 'vertical-rl' are ordered from right to left." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-019.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-019.xht
index f9e101551101..882d4d9ffc71 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-019.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/line-box-direction-vrl-019.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that line boxes of a block box in a 'vertical-rl' writing mode are laid out one after the other, leftwardedly, with the first beginning at the rightmost line of the block box; they are ordered from right to left meaning that the 1st line box is the rightmost one and then the 2nd line box is juxtaposed to its left-hand side, the 3rd block is juxtaposed to the 2nd line box on its left-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-003.xht
index d06226e9225c..f16716a87f8f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-003.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margin-end and margin-start of adjacent blocks collapse into its maximum in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-009.xht
index 53e5dc31b0dc..f71f2bddb95e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-009.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that adjoining margin-end and margin-start boxes generated by elements, that are not related by siblings or ancestors, collapse in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-011.xht
index 6129ee390439..73e562c9967b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-011.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margin-end of floated box does not collapse with the margin-start of a preceding block box in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-015.xht
index 7ad780cbee1b..b945de2e11d0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-015.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that elements with 'overflow' set to 'visible' collapse margin with in-flow children in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-017.xht
index 6170b394cf77..480f54eff73b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-017.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that elements with 'overflow' set to 'hidden' do not collapse margin with in-flow children in 'vertical-lr' writing-mode. In this test, we are testing and checking that 'margin-left' of div#overflow does not collapse with 'margin-left' of div#nested." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-023.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-023.xht
index d25df7fb50ba..d72e475af535 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-023.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-023.xht
@@ -25,6 +25,7 @@
   "
   -->
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-025.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-025.xht
index fa65708bfbab..e31c193205f2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-025.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-025.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margins can collapse through empty elements in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-031.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-031.xht
index 095950285a95..83169938d156 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-031.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-031.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that horizontal margins of boxes can collapse through a sibling box whose left and right margins collapse in 'vertical-lr' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-035.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-035.xht
index 0760bdc24b19..e3f14aecf01c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-035.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-035.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that, in a vertical-lr context, the left margin an in-flow block element collapses with its first in-flow block-level child's left margin if the element has no top border, no top padding, and the child has no clearance." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-037.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-037.xht
index b08cbcc9216f..db39c6442d0a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-037.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vlr-037.xht
@@ -19,6 +19,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that, in a vertical-lr context, the right margin an in-flow block box collapses with its last in-flow block-level child's right margin if the element has no right padding and no right border and the child's right margin does not collapse with a left margin that has clearance." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-002.xht
index 17520606bc06..7259dc75adc4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-002.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margin-end and margin-start of adjacent blocks collapse into its maximum in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-008.xht
index 60ab06cca505..42acc04319b3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-008.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that adjoining margin-end and margin-start boxes generated by elements, that are not related by siblings or ancestors, collapse in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-010.xht
index e5d9d3527502..6c86c76339f0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-010.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margin-start of floated box does not collapse with the margin-end of a preceding block box in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-014.xht
index f6068e04ba16..6c1135827efb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-014.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that elements with 'overflow' set to 'visible' collapse margin with in-flow children in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-016.xht
index 4b2c9488344e..85641e5e9a34 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-016.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that elements with 'overflow' set to 'hidden' do not collapse their horizontal margin with the horizontal margin in-flow children in 'vertical-rl' writing-mode. In this test, we are testing and checking that 'margin-right' of div#overflow does not collapse with 'margin-right' of div#nested." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-022.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-022.xht
index 97860554877d..05cce8bd953f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-022.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-022.xht
@@ -25,6 +25,7 @@
   "
   -->
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   p
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-024.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-024.xht
index 7685e489428e..89c2cfc90cbc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-024.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-024.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that margins can collapse through empty elements in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-030.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-030.xht
index c520f5a874f3..346d8bdf2c54 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-030.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-030.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that horizontal margins of boxes can collapse through a sibling box whose left and right margins collapse in 'vertical-rl' writing-mode." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-034.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-034.xht
index 40d0ce2dfa4c..bb80c17de788 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-034.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-034.xht
@@ -22,6 +22,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that, in a vertical-rl context, the right margin an in-flow block box collapses with its first in-flow block-level child's right margin if the element has no top border, no top padding, and the child has no clearance." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-036.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-036.xht
index eeb956fad453..e553f0cfaf98 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-036.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/margin-collapse-vrl-036.xht
@@ -19,6 +19,7 @@
   <meta content="ahem image" name="flags" />
   <meta name="assert" content="This test checks that, in a vertical-rl context, the left margin an in-flow block box collapses with its last in-flow block-level child's left margin if the element has no left padding and no left border and the child's left margin does not collapse with a right margin that has clearance." />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001.html
index 795bf6b7001b..a72def565939 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001a.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001a.html
index 6811313fb749..87ae82b08b5d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001a.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001a.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001b.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001b.html
index 97013917ef5e..1c79978ee1d0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001b.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001b.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001c.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001c.html
index 4a18f322d0ca..29a951573cf5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001c.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001c.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001d.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001d.html
index 95e714666f9a..4d8291f30a77 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001d.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001d.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001e.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001e.html
index 7347b676090e..bed139f23fad 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001e.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001e.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001f.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001f.html
index 35dbaca24c74..2201c354aa95 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001f.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001f.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001g.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001g.html
index b7730a649e7f..bdd7cf65699f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001g.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001g.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001h.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001h.html
index adca0e9165b9..8ec86ed004c3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001h.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001h.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001i.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001i.html
index 6fb680e35d3b..27c24b8790e1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001i.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001i.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001j.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001j.html
index a9a4a62e28cf..75a773470722 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001j.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001j.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001k.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001k.html
index 931cefc8a298..628e39b53631 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001k.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001k.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001l.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001l.html
index f3482a1e4274..820b48177ad3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001l.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001l.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001m.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001m.html
index e68683823a63..3b883fc5e8cd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001m.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001m.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001n.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001n.html
index 84ac18349074..05b1700a706c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001n.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001n.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001o.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001o.html
index 82599c9059c5..7fea260cc075 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001o.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001o.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001p.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001p.html
index 653dc374a898..598810c388cb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001p.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001p.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001q.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001q.html
index 070f08b6bc14..98e988949d5f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001q.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001q.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001r.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001r.html
index 86ffb3f79c56..0f42c9233853 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001r.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001r.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001s.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001s.html
index 24cf31e3f0eb..283776111a7d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001s.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001s.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001t.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001t.html
index c5c9ca38af93..85fe15065a51 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001t.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001t.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001u.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001u.html
index c49d1ef3d742..61232e835550 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001u.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001u.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001v.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001v.html
index 01bc8f8b3aaa..0c6207ff5cbb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001v.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001v.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001w.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001w.html
index 27b00d9611ae..9eaf4f871a32 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001w.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001w.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001x.html b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001x.html
index 0ec5d97a9b55..09dd171ed7a0 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001x.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/orthogonal-parent-shrink-to-fit-001x.html
@@ -8,6 +8,7 @@
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2015-12-23 -->
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
     border:thin solid;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-block-vrl-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-block-vrl-006.html
index eea39d14ffbc..14dcf916d8f3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-block-vrl-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-block-vrl-006.html
@@ -7,6 +7,7 @@
 <link rel="help" title="7.1. Principles of Layout in Vertical Writing Modes" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" />
 <link rel="help" title="18.4 Dynamic outlines: the 'outline' property" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/ui.html#dynamic-outlines" />
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vlr-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vlr-006.html
index 21a69a24e435..539f03bba5eb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vlr-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vlr-006.html
@@ -7,6 +7,7 @@
 <link rel="help" title="7.1. Principles of Layout in Vertical Writing Modes" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" />
 <link rel="help" title="18.4 Dynamic outlines: the 'outline' property" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/ui.html#dynamic-outlines" />
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vrl-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vrl-006.html
index 6d4417883d15..9004ec93f695 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vrl-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/outline-inline-vrl-006.html
@@ -7,6 +7,7 @@
 <link rel="help" title="7.1. Principles of Layout in Vertical Writing Modes" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layout" />
 <link rel="help" title="18.4 Dynamic outlines: the 'outline' property" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/ui.html#dynamic-outlines" />
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x1-notref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x1-notref.html
index b5fa95ceb8a6..6835d2f61de8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x1-notref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x1-notref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   font-size: 5em;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x3-notref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x3-notref.html
index 97e4ceecd714..6809703f3866 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x3-notref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x3-notref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   font-size: 5em;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x4-notref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x4-notref.html
index 098d9b0aa639..ab0a3907195e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x4-notref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x4-notref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   font-size: 5em;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x5-notref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x5-notref.html
index 99c61207a488..2f89435a0adf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x5-notref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/horizontal-ahem-1x5-notref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   font-size: 5em;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-block-vrl-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-block-vrl-006.html
index d907159230af..eb0e20ae092d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-block-vrl-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-block-vrl-006.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com" />
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2016-01-14 -->
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vlr-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vlr-006.html
index f16d84772d4a..e2988e01c07a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vlr-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vlr-006.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com" />
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2016-01-14 -->
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 div {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vrl-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vrl-006.html
index a2c6b50d452c..0fa6d9067703 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vrl-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/outline-inline-vrl-006.html
@@ -4,6 +4,7 @@
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com" />
 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2016-01-14 -->
 <meta content="ahem" name="flags" />
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   color:transparent;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-decorations-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-decorations-001.html
index 3d1cf765441b..6b35f7f2549b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-decorations-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-decorations-001.html
@@ -2,6 +2,7 @@
 <title>CSS Writing Modes Test: The resulting composition is treated as a signel glyph for decorations</title>
 <meta name="flags" content="ahem">
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
     font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-layout-rules-001-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-layout-rules-001-ref.html
index 31ea73eb93d0..4f79679fff58 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-layout-rules-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/text-combine-upright-layout-rules-001-ref.html
@@ -6,6 +6,7 @@
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x1-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x1-ref.html
index 02d0bce9e0fe..5fc65236301f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x1-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x1-ref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x3-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x3-ref.html
index 328448b3e48c..dcb15f76901a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x3-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x3-ref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x4-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x4-ref.html
index a4f3f4b43f2b..e8968d166ccf 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x4-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x4-ref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x5-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x5-ref.html
index df0203eb14f7..5aa1943995d9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x5-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/vertical-ahem-1x5-ref.html
@@ -5,6 +5,7 @@
 <title>CSS Test Reference</title>
 <link rel="author" title="Masataka Yakura" href="https://google.com/+MasatakaYakura">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-lr-002-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-lr-002-ref.xht
index 496c03d8416e..32e52383656b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-lr-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-lr-002-ref.xht
@@ -5,6 +5,7 @@
     <title>CSS Test: writing-mode - vertical-lr - basic case - reference</title>
     <link rel="author" title="Yoshifumi Kawai" href="mailto:kawai@est.co.jp" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-001-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-001-ref.xht
index ed0d5a6c9538..9a7e0250cb64 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-001-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-001-ref.xht
@@ -5,6 +5,7 @@
     <title>CSS Test: writing-mode - vertical-rl - basic case - reference</title>
     <link rel="author" title="Yoshifumi Kawai" href="mailto:kawai@est.co.jp" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-002-ref.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-002-ref.xht
index 5dccf5071e82..4c25f00f1a0a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-002-ref.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/reference/writing-mode-vertical-rl-002-ref.xht
@@ -5,6 +5,7 @@
     <title>CSS Test: writing-mode - vertical-rl - basic case - reference</title>
     <link rel="author" title="Yoshifumi Kawai" href="mailto:kawai@est.co.jp" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-003.xht
index b5028d28565d..c29ecc006a3c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rows of a table element with in a 'vertical-lr' writing mode are laid out one after the other, rightwardedly, with the first beginning at the leftmost side of the table box; table rows are ordered from left to right meaning that the 1st row is the leftmost one and then the 2nd row is juxtaposed to its right-hand side, the 3rd row is juxtaposed to the 2nd row on its right-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-005.xht
index c0e65fb335c2..6ea751c56f4b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that colspanned cells in a table are handled according to a top-to-bottom inline flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-007.xht
index 0ed4f07a442b..f9209bf79307 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rowspanned cells in a table are handled according to a left-to-right direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-009.xht
index 64ec1cda31c5..4703ea44f959 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vlr-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rows of a table element with in a 'vertical-lr' writing mode are laid out one after the other, rightwardedly, with the first beginning at the leftmost side of the table box; table rows are ordered from left to right meaning that the 1st row is the leftmost one and then the 2nd row is juxtaposed to its right-hand side, the 3rd row is juxtaposed to the 2nd row on its right-hand side, etc... Table cells in a table with writing-mode set to 'sideways-lr' are ordered according to inline flow direction, which is from bottom to top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-002.xht
index b01ca7abead4..66ca97cc2fca 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rows of a table element with in a 'vertical-rl' writing mode are laid out one after the other, leftwardedly, with the first beginning at the rightmost side of the table box; table rows are ordered from right to left meaning that the 1st row is the rightmost one and then the 2nd row is juxtaposed to its left-hand side, the 3rd row is juxtaposed to the 2nd row on its left-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-004.xht
index aff135262b94..16814f3d0829 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that colspanned cells in a table are handled according to a top-to-bottom inline flow direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-006.xht
index e9c5e7290b2d..9ee5fea77155 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rowspanned cells in a table are handled according to a right-to-left direction." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-008.xht
index c953e96e14d2..28681e7bb186 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/row-progression-vrl-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem" name="flags" />
   <meta content="This test checks that rows of a table element with in a 'vertical-rl' writing mode are laid out one after the other, leftwardedly, with the first beginning at the rightmost side of the table box; table rows are ordered from right to left meaning that the 1st row is the rightmost one and then the 2nd row is juxtaposed to its left-hand side, the 3rd row is juxtaposed to the 2nd row on its left-hand side, etc..." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   body
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001-ref.html
index d8edfb69df86..2fe36cb216c6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001.html
index d5a77cd23aec..af096e7248c3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-001.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-001-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that a verticalLR element inside an horizontal container computes properly its percentage margins against the container's inline size (the container's width in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002-ref.html
index 98e6d770ff0c..43379d61b72e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002.html
index 55e266fd9ffc..10bf16698098 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-002.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-002-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that a verticalRL element inside an horizontal container computes properly its percentage margins against the container's inline size (the container's width in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003-ref.html
index f035f59db16f..e0b0e2b6c0d5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003.html
index d722504a6992..1b779ab6b835 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-003.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-003-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that an horizontal element inside a verticalLR container computes properly its percentage margins against the container's inline size (the container's height in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-004.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-004.html
index 2cd59eb6d1fb..47e0ddfbb25a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-004.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-004.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-003-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that an horizontal element inside a verticalLR container computes properly its percentage margins against the container's inline size (the container's height in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005-ref.html
index 40e44125abab..076edc385601 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005.html
index 798014245653..076b0d33b2cb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-005.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-005-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that a verticalLR element inside an horizontal container computes properly its percentage margins against the container's inline size (the container's width in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006-ref.html
index 3b25252862d1..116258fad3e3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006.html
index f945dec8f641..09b2c4ca6566 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-006.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-006-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that a verticalRL element inside an horizontal container computes properly its percentage margins against the container's inline size (the container's width in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007-ref.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007-ref.html
index 02dfe07eb1c5..5c7bc196d2d2 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007-ref.html
@@ -2,6 +2,7 @@
 <meta charset="utf-8">
 <title>CSS Writing Modes Test: Orthogonal element sizing and percentage margins reference file</title>
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007.html
index 93f505334897..4e5bad9d23d7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-007.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-007-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that an horizontal element inside a verticalLR container computes properly its percentage margins against the container's inline size (the container's height in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-008.html b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-008.html
index 39bf4f5cf136..6a0bef02e426 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-008.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/sizing-orthogonal-percentage-margin-008.html
@@ -6,6 +6,7 @@
 <link rel="match" href="sizing-orthogonal-percentage-margin-007-ref.html">
 <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
 <meta name="assert" content="This test checks that an horizontal element inside a verticalLR container computes properly its percentage margins against the container's inline size (the container's height in this test), and the element is sized accordingly subtracting those margins from the available size.">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .container {
   background: cyan;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-003.xht
index ca54c29da529..795bf7ba2402 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-003.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-005.xht
index 4acad851b376..d53615e1132c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: left' aligns an inline box within a line box with respect to the line box's logical left side (line-left side). Here, 'direction: rtl' has no impact, no influence on such alignment." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-007.xht
index 01e883947c66..977e518fa447 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-007.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-009.xht
index 8ea17d68fd16..e53efd3ab1cb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-009.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-011.xht
index aa61d5ba387b..01fe0f2ae8d4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: center' centers an inline box within a line box with respect to the line box's logical left and right sides (line-left and line-right sides)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-013.xht
index 51dfe8ee25f4..f3e3a3417cd9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-013.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-015.xht
index 7efe49490479..c6ad449f0eff 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-015.xht
@@ -12,6 +12,7 @@
 
   <meta content="ahem image" name="flags" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-017.xht
index de95904cd77f..a25544c45598 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-017.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: right' aligns an inline box within a line box with respect to the line box's logical right side (line-right side). Here, 'direction: rtl' has no impact, no influence on such alignment." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-019.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-019.xht
index 2008fc67c140..02d7865d4e52 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-019.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vlr-019.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: right' aligns an inline box within a line box with respect to such line box's logical right side (line-right side)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-002.xht
index dd8a4524cbaa..b5bf39c57f9f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-002.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: left' aligns an inline box within a line box with respect to such line box's logical left side (line-left side)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-004.xht
index 5aa6824f8835..5f68b465530b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: left' aligns an inline box within a line box with respect to the line box's logical left side (line-left side). Here, 'direction: rtl' has no impact, no influence on such alignment." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-006.xht
index 0e34d77bfe3f..dccc71bf6b20 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: left' aligns an inline box within a line box with respect to such line box's logical left side (line-left side)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-008.xht
index f3186c782b22..97582148bb71 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: center' centers an inline box within a line box with respect to such line box's logical left and right sides (line-left and line-right sides)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-010.xht
index 4d58af9381ef..d493243df7ca 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: center' centers an inline box within a line box with respect to the line box's logical left and right sides (line-left and line-right sides)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-012.xht
index 4ffb4b1a7554..9abf3ee6c467 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: center' centers an inline box within a line box with respect to the line box's logical left and right sides (line-left and line-right sides)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-014.xht
index 3652da1e08f9..fe60871ba8da 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-014.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: right' aligns an inline box within a line box with respect to such line box's logical right side (line-right side)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-016.xht
index 85368d3155ed..ee37bdcd7b8f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-016.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: right' aligns an inline box within a line box with respect to the line box's logical right side (line-right side). Here, 'direction: rtl' has no impact, no influence on such alignment." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-018.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-018.xht
index ea951d1a5988..9c9640535f71 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-018.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-align-vrl-018.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-align: right' aligns an inline box within a line box with respect to such line box's logical right side (line-right side)." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-003.xht
index 82353c7e4781..9dfdb31a5838 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-003.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-005.xht
index d03b44abdcfc..f09f0e68f121 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-005.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-007.xht
index a4c9d42e2837..2fe5b0e5d273 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vlr-007.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-006-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-lr' and when 'text-orientation' is 'sideways', then the alphabetical baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-002.xht
index aac80485ae74..0696387f0af5 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-002.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'mixed', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-004.xht
index 815ed51e6c95..e55227d3bb44 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-004.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-002-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'upright', then the central baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-006.xht
index 3baf15ad6004..b676aee52de8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-baseline-vrl-006.xht
@@ -8,6 +8,7 @@
     <link rel="match" href="text-baseline-vrl-006-ref.xht" />
     <meta name="assert" content="This test checks the generation of text baseline. When 'writing-mode' is 'vertical-rl' and when 'text-orientation' is 'sideways', then the alphabetical baseline is used as the dominant baseline." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-decorations-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-decorations-001.html
index 3ba238cdf6ec..49a03934de00 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-decorations-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-decorations-001.html
@@ -5,6 +5,7 @@
 <meta name="assert" content="The resulting composition is treated as a signel glyph for decorations">
 <meta name="flags" content="ahem">
 <link rel="author" title="Koji Ishii" href="mailto:kojiishi@gmail.com">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
     font: 50px/1 Ahem;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-layout-rules-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-layout-rules-001.html
index 85251d775f3d..71c08171b2c8 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-layout-rules-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-layout-rules-001.html
@@ -9,6 +9,7 @@
 <link rel="match" href="reference/text-combine-upright-layout-rules-001-ref.html">
 <meta name="assert" content="Anything outside the 1em-composition does not affect layout.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 #container {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-002.html b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-002.html
index fd853111b126..14360bdb92bd 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-002.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-002.html
@@ -9,6 +9,7 @@
 <link rel="mismatch" href="reference/horizontal-ahem-1x1-notref.html">
 <meta name="assert" content="'text-combine-upright: all' combines all characters inside the element which the declaration applied horizontally.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-003.html b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-003.html
index 67495d07df05..2f0de9bd8f6f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-003.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-all-003.html
@@ -9,6 +9,7 @@
 <link rel="mismatch" href="reference/horizontal-ahem-1x1-notref.html">
 <meta name="assert" content="'text-combine-upright: all' combines all characters inside the element which the declaration applied horizontally.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-none-001.html b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-none-001.html
index 25070967884a..032e89a90cb4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-none-001.html
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-combine-upright-value-none-001.html
@@ -9,6 +9,7 @@
 <link rel="mismatch" href="reference/horizontal-ahem-1x3-notref.html">
 <meta name="assert" content="'text-combine-upright: none' does not combine any characters in any circumstance.">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .test {
   writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-003.xht
index f15044ec3d4f..dfae9913f17d 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-003.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: ltr' and with 'writing-mode: vertical-lr' starts at top toward the bottom and progress toward the bottom." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-005.xht
index 33744c503a6a..06e723c52f2f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-005.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-lr' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-007.xht
index 6258b1ca378c..a1e757a9d825 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-007.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-009.xht
index fed568d8d86d..b4c16483d447 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-009.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height. 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-lr' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-011.xht
index 3595b293989c..f28a4124e7fb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-011.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: ltr' and with 'writing-mode: vertical-lr' starts at top toward the bottom and progress toward the bottom." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-013.xht
index 57b87cb4a262..24cd43d1dcce 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-013.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-lr' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-015.xht
index 2f41cb450aca..3eebadc212be 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-015.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-017.xht
index 227b2140a992..5940955acce1 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vlr-017.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height. 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-lr' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-002.xht
index 5b6dd13d7f26..ec76b6c4e5bb 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-002.xht
@@ -14,6 +14,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: ltr' and with 'writing-mode: vertical-rl' starts at top toward the bottom and progress toward the bottom." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-004.xht
index 9e2c96ed90a0..736fd748212c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-004.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-rl' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-006.xht
index c1c5acb0443f..cfd7a6daee83 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-006.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-008.xht
index 675733564a1a..7e5eee802aca 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-008.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height. 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-rl' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div#containing-block
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-010.xht
index 744fa0de07c1..383ea8aeef42 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-010.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: ltr' and with 'writing-mode: vertical-rl' starts at top toward the bottom and progress toward the bottom." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-012.xht
index 95870012aa71..ba2878428818 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-012.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-rl' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-014.xht
index fe9c8175e5cf..ae62b759e6c4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-014.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-016.xht
index 9962744a12c5..b11df2824df3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-indent-vrl-016.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that 'text-indent' set with a percentage unit will be a percentage of the containing block height. 'text-indent' will indent the first line of text at line-start. Text of a line box in 'direction: rtl' and with 'writing-mode: vertical-rl' starts at bottom toward the top and progress toward the top." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   html
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/text-orientation-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/text-orientation-016.xht
index 13eeb5a32f1b..6248de6fa670 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/text-orientation-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/text-orientation-016.xht
@@ -13,6 +13,7 @@
   <meta content="ahem image" name="flags" />
   <meta content="This test checks that sideways-oriented latin text is baseline-aligned alphabetically within the line box and not baseline-aligned centrally. This test uses exclusively 'p' and 'É' glyphs to verify this." name="assert" />
 
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css"><![CDATA[
   div
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-002.xht
index 5ac266ecb6b4..70b6af18c88b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-002.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'vertical-align' is 'top', the physical right (logical top) edge of an inline non-replaced box is aligned with the physical right (logical top) edge of its line box." />
     <link rel="match" href="vertical-alignment-002-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-003.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-003.xht
index ccd1b7461135..80ca678d261f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-003.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-003.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'vertical-align' is 'top', the physical right (logical top) edge of an inline non-replaced box is aligned with the physical right (logical top) edge of its line box." />
     <link rel="match" href="vertical-alignment-002-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-004.xht
index 221dadc5260b..b03203e4023b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-004.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of an inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'vertical-align' is 'text-top', the physical right (logical top) edge of an inline non-replaced box is aligned with the right side (logical top) of parent's content area." />
     <link rel="match" href="vertical-alignment-004-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-005.xht
index e6cdf695355f..d511b6c1cd2c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-005.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of an inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'vertical-align' is 'text-top', the physical right (logical top) edge of an inline non-replaced box is aligned with the right side (logical top) of parent's content area." />
     <link rel="match" href="vertical-alignment-004-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-006.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-006.xht
index 08b6f7bfd132..da22c5b9fd16 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-006.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-006.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of an inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'vertical-align' is 'text-bottom', the physical left (logical bottom) edge of an inline non-replaced box is aligned with the left side (logical bottom) of parent's content area." />
     <link rel="match" href="vertical-alignment-006-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-007.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-007.xht
index 216fd509abae..998436483580 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-007.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of an inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'vertical-align' is 'text-bottom', the physical left (logical bottom) edge of an inline non-replaced box is aligned with the left side (logical bottom) of parent's content area." />
     <link rel="match" href="vertical-alignment-006-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-008.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-008.xht
index f4aabdb5a660..510b06fb9ab3 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-008.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-008.xht
@@ -9,6 +9,7 @@
    <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'vertical-align' is 'bottom', the physical left (logical bottom) edge of an inline non-replaced box is aligned with the physical left (logical bottom) edge of its line box." />
     <link rel="match" href="vertical-alignment-008-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-009.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-009.xht
index 67b8ebb9a297..32299721458e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-009.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-009.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'vertical-align' is 'bottom', the physical left (logical bottom) edge of an inline non-replaced box is aligned with the physical left (logical bottom) edge of its line box." />
     <link rel="match" href="vertical-alignment-008-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-011.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-011.xht
index 19943bee9e8b..010dd63aa3c9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-011.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-011.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'mixed', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-013.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-013.xht
index c53e3d7faac7..0c104c147700 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-013.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-013.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'upright', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-015.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-015.xht
index 5722bbf2df90..b6c6e4ed729a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-015.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-015.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'sideways', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-017.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-017.xht
index 428a1a044517..304ce1dbef9e 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-017.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-017.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'mixed', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-019.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-019.xht
index 8fe90f4c26c9..a99301a3ba6c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-019.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-019.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'upright', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-021.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-021.xht
index 84434fd107c8..e2229b183e48 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-021.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-021.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'sideways', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-023.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-023.xht
index 0fea95350aeb..6a6b62e338f4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-023.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-023.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'upright', 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the central baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-022-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-025.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-025.xht
index f2bff48591c5..03d0f671d079 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-025.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-025.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'mixed', 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the central baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-022-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-027.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-027.xht
index 1e160d0296e0..9c4c13e429e4 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-027.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vlr-027.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'sideways', 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the alphabetic baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-026-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#lr-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-010.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-010.xht
index 6adaddcb460f..94e0d331de5b 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-010.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-010.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'mixed', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-012.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-012.xht
index c9cd9ed1f11a..7c91b9109cdc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-012.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-012.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'upright', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-014.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-014.xht
index f443a5f5d8f6..30d15b2163b7 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-014.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-014.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'sideways', 'vertical-align' is 'super', the baseline of the box is shifted to the right." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-016.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-016.xht
index da78abcc3af6..9e1ae86f969f 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-016.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-016.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'mixed', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-018.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-018.xht
index fada9675cc86..fa664b0ec216 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-018.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-018.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'upright', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-020.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-020.xht
index 528363363c8f..0f9494810cdc 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-020.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-020.xht
@@ -8,6 +8,7 @@
     <link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'sideways', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-022.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-022.xht
index a9b507722116..6d74d25efda9 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-022.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-022.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'upright', 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the central baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-022-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-upright
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-024.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-024.xht
index 72a718084160..cf382cecb934 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-024.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-024.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'mixed', 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the central baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-022-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-mixed
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-026.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-026.xht
index e2e9df4c3e33..35560e940b3a 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-026.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/vertical-alignment-vrl-026.xht
@@ -9,6 +9,7 @@
     <meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-rl', 'text-orientation' is 'sideways, 'vertical-align' is 'middle', the vertical midpoint of the box is aligned with the alphabetic baseline of the parent box plus half the x-height of the parent." />
     <link rel="match" href="vertical-alignment-vrl-026-ref.xht" />
     <meta name="flags" content="ahem" />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
     div#rl-sideways
     {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-lr-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-lr-002.xht
index 291dff96d39c..7e03cefd3c92 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-lr-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-lr-002.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/writing-mode-vertical-lr-002-ref.xht"/>
     <meta name="flags" content="ahem" />
     <meta content="This tests the block flow direction. The writing mode is vertical, and the block flow is left to right." />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-001.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-001.xht
index 5a5c7bf2a4eb..976bcd91252c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-001.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-001.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/writing-mode-vertical-rl-001-ref.xht"/>
     <meta name="flags" content="ahem" />
     <meta content="This tests the block flow direction. The writing mode is vertical, and the block flow is right to left." />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-002.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-002.xht
index ac77d439d75d..7fcfca7081d6 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-002.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-002.xht
@@ -9,6 +9,7 @@
     <link rel="match" href="reference/writing-mode-vertical-rl-002-ref.xht"/>
     <meta name="flags" content="ahem" />
     <meta content="This tests the block flow direction. The writing mode is vertical, and the block flow is right to left." />
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css"><![CDATA[
         div
         {
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003-ref.htm b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003-ref.htm
index 1251280d0078..19c334329711 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003-ref.htm
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003-ref.htm
@@ -4,6 +4,7 @@
     <title>CSS Reftest Reference</title>
     <link rel="author" title="KISAKA Toshihiro" href="mailto:toshihiro@kisaka.jp">
     <meta name="flags" content="ahem">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         div {
             writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003.htm b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003.htm
index cd844132decf..615ba667cd3c 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003.htm
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/writing-mode-vertical-rl-003.htm
@@ -10,6 +10,7 @@
     <link rel="match" href="writing-mode-vertical-rl-003-ref.htm">
     <meta name="flags" content="ahem">
     <meta name="assert" content="when child block has its own writing-mode, child block's writing-mode overwrites parent block's writing-mode.">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style type="text/css">
         div {
             writing-mode: vertical-rl;
diff --git a/tests/wpt/web-platform-tests/css/cssom/font-shorthand-serialization.html b/tests/wpt/web-platform-tests/css/cssom/font-shorthand-serialization.html
index a56c204876f1..6f6834a7509d 100644
--- a/tests/wpt/web-platform-tests/css/cssom/font-shorthand-serialization.html
+++ b/tests/wpt/web-platform-tests/css/cssom/font-shorthand-serialization.html
@@ -5,6 +5,7 @@
 <link rel="help" href="https://drafts.csswg.org/cssom-1/#serialize-a-css-declaration-block">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <div id="target" style="font: 10px/1 Ahem;"></div>
 <script>
     test(function() {
diff --git a/tests/wpt/web-platform-tests/css/reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html b/tests/wpt/web-platform-tests/css/reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html
index 57719bba9b40..4657b84a0cb6 100644
--- a/tests/wpt/web-platform-tests/css/reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html
+++ b/tests/wpt/web-platform-tests/css/reference/black_box_ends_when_blue_box_ends_6_boxes_ahem.html
@@ -3,6 +3,7 @@
 <head>
    <title>Reference rendering - black box ends when blue box ends, 6 black boxes (ahem)</title>
    <link rel="author" title="Opera" href="https://www.opera.com/">
+   <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
    <style type="text/css">
       #black {
          font: 16px/1 "Ahem";
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001-ref.html
index 1528298dd06a..5419833c5c3a 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001-ref.html
@@ -13,6 +13,7 @@
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001.html
index 25b87367d0dd..2d5b1124fd56 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001.html
@@ -18,6 +18,7 @@
   <link rel="match" href="flexbox-baseline-align-self-baseline-vert-001-ref.html">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001-ref.html
index fc574143e186..8642391fa8dd 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001-ref.html
@@ -11,6 +11,7 @@
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       font: 20px Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001a.html
index aaf8bb3e50ff..fc6898881b02 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001a.html
@@ -21,6 +21,7 @@
   <link rel="match" href="flexbox-baseline-empty-001-ref.html">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       font: 20px Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001b.html
index 74f13fbba052..aea906e0484a 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-empty-001b.html
@@ -21,6 +21,7 @@
   <link rel="match" href="flexbox-baseline-empty-001-ref.html">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       font: 20px Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001-ref.html
index 203d1fcaa767..04e916ce777b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001-ref.html
@@ -13,6 +13,7 @@
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001a.html
index 55fab78e9a41..507166da35da 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001a.html
@@ -19,6 +19,7 @@
   <link rel="match" href="flexbox-baseline-multi-item-vert-001-ref.html">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001b.html
index 841613d09828..3c0f984a12fb 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001b.html
@@ -19,6 +19,7 @@
   <link rel="match" href="flexbox-baseline-multi-item-vert-001-ref.html">
   <meta charset="utf-8">
   <link rel="stylesheet" type="text/css" href="support/ahem.css" />
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001-ref.html
index b5377110201d..a3416a379355 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001a.html
index 4227f68ff171..259b8c2b5d8a 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001a.html
@@ -13,6 +13,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis">
   <link rel="match" href="flexbox-flex-basis-content-001-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001b.html
index 489ce65d8f90..52aae36eaea0 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-001b.html
@@ -14,6 +14,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis">
   <link rel="match" href="flexbox-flex-basis-content-001-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002-ref.html
index a7d1bcf77b99..bb845e35e26c 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002a.html
index 481a3f22905b..4281959a3d89 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002a.html
@@ -13,6 +13,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis">
   <link rel="match" href="flexbox-flex-basis-content-002-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002b.html
index 694e67242eb0..a76f24681a73 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-flex-basis-content-002b.html
@@ -14,6 +14,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis">
   <link rel="match" href="flexbox-flex-basis-content-002-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010-ref.html
index 72765c57b4f9..0301e838d289 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010.html
index 565a4e4f291d..b7c44b26bab5 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-010.html
@@ -15,6 +15,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-010-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011-ref.html
index ad241c3e8e7e..d1e0018a276c 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011.html
index 223be9651830..9e7d2a9b4592 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-011.html
@@ -15,6 +15,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-011-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012-ref.html
index a9bc4abf699b..93623410577b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012.html
index fe9052a55762..ecbbe6a5f7d7 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-012.html
@@ -16,6 +16,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-012-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013-ref.html
index 591f7646a6ca..dd7fe4588332 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013.html
index a1c7101bc660..22deeb285d94 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-013.html
@@ -15,6 +15,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-013-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014-ref.html
index df61c52d3984..c1959c3678f3 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014.html
index e28394f72f5f..e1559faf5e6b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-014.html
@@ -15,6 +15,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-014-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015-ref.html
index eb35f9eac35c..ca116669b1d6 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015-ref.html
@@ -9,6 +9,7 @@
   <meta charset="utf-8">
   <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: block;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015.html
index 6a6de33e2252..69c16f15dfc4 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-writing-mode-015.html
@@ -16,6 +16,7 @@
   <link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#propdef-writing-mode">
   <link rel="match" href="flexbox-writing-mode-015-ref.html">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
   .container {
     display: flex;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-circle-056.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-circle-056.html
index ad9806dea6b5..57323a42444e 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-circle-056.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-circle-056.html
@@ -16,6 +16,7 @@
                                      shape-outside: circle element is offset from
                                      its containing block.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     @font-face {
         font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-ellipse-052.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-ellipse-052.html
index 5441493a0a2b..ee95f59dd5cd 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-ellipse-052.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-ellipse-052.html
@@ -14,6 +14,7 @@
                                      Additionally, the shape-outside: ellipse element
                                      is offset from its containing block.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
     @font-face {
         font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-polygon-032.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-polygon-032.html
index 7f059a580156..7649a98cdc6b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-polygon-032.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1/shape-outside-polygon-032.html
@@ -15,6 +15,7 @@
                                      Additionally, the shape-outside: polygon element is
                                      offset from its containing block.">
     </head>
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
         @font-face {
             font-family: Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1-ref.html
index 0c0b7878e157..ae170ffd9a25 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1-ref.html
@@ -5,6 +5,7 @@
   <link rel="author" title="Boris Chiou" href="mailto:boris.chiou@gmail.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <meta name="flags" content="ahem">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1a.html
index 6c2db625b301..74314e525691 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1a.html
@@ -9,6 +9,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1b.html
index 812133f79432..ab510fab9305 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/block-size-with-min-or-max-content-1b.html
@@ -9,6 +9,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
index 13cd19ba4a4f..6d56cca0462d 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
@@ -8,6 +8,7 @@
   <link rel="author" title="Boris Chiou" href="mailto:boris.chiou@gmail.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <meta name="flags" content="ahem">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html, body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
index ac7e9b397aee..57a165d317cb 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html, body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
index fe914059b1d5..0e2e449bfb7d 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
@@ -8,6 +8,7 @@
   <link rel="author" title="Boris Chiou" href="mailto:boris.chiou@gmail.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <meta name="flags" content="ahem">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
index d28d918dd429..232753c70984 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
index 47ff4137861e..5ee74f981147 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/hori-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
index b61f5ae9fcfe..647fccc8e22f 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1-ref.html
@@ -8,6 +8,7 @@
   <link rel="author" title="Boris Chiou" href="mailto:boris.chiou@gmail.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <meta name="flags" content="ahem">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
index 6b955a6371b9..741c03992d71 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-1.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
index decf143e7518..55d6965adfc1 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2-ref.html
@@ -8,6 +8,7 @@
   <link rel="author" title="Boris Chiou" href="mailto:boris.chiou@gmail.com">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <meta name="flags" content="ahem">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
index 5c4097fa95e2..0b97a41f488a 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2a.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
index 3619cf236407..32826ee1654c 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/sizing/vert-block-size-small-or-larger-than-container-with-min-or-max-content-2b.html
@@ -11,6 +11,7 @@
   <meta name="flags" content="ahem">
   <link rel="stylesheet" type="text/css" href="support/ahem.css">
   <link rel="stylesheet" type="text/css" href="support/min-content-max-content.css">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style>
     html,body {
       margin: 0;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-15-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-15-ref.html
index d8a43eb644e6..f8e3d9137201 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-15-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-15-ref.html
@@ -7,6 +7,7 @@
 <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
 <link rel="stylesheet" href="support/ahem.css" type="text/css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 p {
   font-family: Ahem, sans-serif;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-16-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-16-ref.html
index d8a43eb644e6..f8e3d9137201 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-16-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-16-ref.html
@@ -7,6 +7,7 @@
 <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
 <link rel="stylesheet" href="support/ahem.css" type="text/css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 p {
   font-family: Ahem, sans-serif;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-17-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-17-ref.html
index bac59fcb8106..ce24112a6a0a 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-17-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-17-ref.html
@@ -7,6 +7,7 @@
 <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
 <link rel="stylesheet" href="support/ahem.css" type="text/css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 p {
   font-family: SomeUnknownFont, Ahem;
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-18-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-18-ref.html
index d8a43eb644e6..f8e3d9137201 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-18-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/variables/variable-declaration-18-ref.html
@@ -7,6 +7,7 @@
 <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
 <link rel="stylesheet" href="support/ahem.css" type="text/css">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 p {
   font-family: Ahem, sans-serif;
diff --git a/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element-ref.html b/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element-ref.html
index f167ea7196a8..bedb6d62e843 100644
--- a/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element-ref.html
+++ b/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element-ref.html
@@ -3,6 +3,7 @@
 <title>The wbr element</title>
 <link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   p {font:15px/1 Ahem;}
 </style>
diff --git a/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element.html b/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element.html
index 63f271615ed2..aa3912028eb3 100644
--- a/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element.html
+++ b/tests/wpt/web-platform-tests/html/semantics/text-level-semantics/the-wbr-element/wbr-element.html
@@ -5,6 +5,7 @@
 <link rel=help href="https://html.spec.whatwg.org/multipage/#rendering">
 <link rel="match" href="wbr-element-ref.html">
 <meta name="flags" content="ahem">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   p {max-width: 300px; font:15px/1 Ahem;}
 </style>
diff --git a/tests/wpt/web-platform-tests/interfaces/web-animations.idl b/tests/wpt/web-platform-tests/interfaces/web-animations.idl
index b6ae4e8d6597..0fc5b47a976d 100644
--- a/tests/wpt/web-platform-tests/interfaces/web-animations.idl
+++ b/tests/wpt/web-platform-tests/interfaces/web-animations.idl
@@ -13,13 +13,13 @@ dictionary DocumentTimelineOptions {
 };
 
 [Exposed=Window,
- Constructor (optional DocumentTimelineOptions options)]
+ Constructor(optional DocumentTimelineOptions options)]
 interface DocumentTimeline : AnimationTimeline {
 };
 
 [Exposed=Window,
- Constructor (optional AnimationEffect? effect = null,
-              optional AnimationTimeline? timeline)]
+ Constructor(optional AnimationEffect? effect = null,
+             optional AnimationTimeline? timeline)]
 interface Animation : EventTarget {
              attribute DOMString                id;
              attribute AnimationEffect?         effect;
@@ -35,14 +35,14 @@ interface Animation : EventTarget {
              attribute EventHandler             onfinish;
              attribute EventHandler             oncancel;
              attribute EventHandler             onremove;
-    void cancel ();
-    void finish ();
-    void play ();
-    void pause ();
-    void updatePlaybackRate (double playbackRate);
-    void reverse ();
-    void persist ();
-    void commitStyles ();
+    void cancel();
+    void finish();
+    void play();
+    void pause();
+    void updatePlaybackRate(double playbackRate);
+    void reverse();
+    void persist();
+    void commitStyles();
 };
 
 enum AnimationPlayState { "idle", "running", "paused", "finished" };
@@ -91,16 +91,16 @@ dictionary ComputedEffectTiming : EffectTiming {
 };
 
 [Exposed=Window,
- Constructor ((Element or CSSPseudoElement)? target,
-              object? keyframes,
-              optional (unrestricted double or KeyframeEffectOptions) options),
- Constructor (KeyframeEffect source)]
+ Constructor((Element or CSSPseudoElement)? target,
+             object? keyframes,
+             optional (unrestricted double or KeyframeEffectOptions) options),
+ Constructor(KeyframeEffect source)]
 interface KeyframeEffect : AnimationEffect {
     attribute (Element or CSSPseudoElement)? target;
     attribute IterationCompositeOperation    iterationComposite;
     attribute CompositeOperation             composite;
-    sequence<object> getKeyframes ();
-    void             setKeyframes (object? keyframes);
+    sequence<object> getKeyframes();
+    void             setKeyframes(object? keyframes);
 };
 
 dictionary BaseComputedKeyframe {
@@ -127,23 +127,31 @@ dictionary KeyframeEffectOptions : EffectTiming {
     CompositeOperation          composite = "replace";
 };
 
-enum IterationCompositeOperation {"replace", "accumulate"};
+enum IterationCompositeOperation { "replace", "accumulate" };
 
-enum CompositeOperation {"replace", "add", "accumulate"};
+enum CompositeOperation { "replace", "add", "accumulate" };
 
-enum CompositeOperationOrAuto {"replace", "add", "accumulate", "auto"};
+enum CompositeOperationOrAuto { "replace", "add", "accumulate", "auto" };
 
 interface mixin Animatable {
-    Animation           animate (object? keyframes,
-                                 optional (unrestricted double or KeyframeAnimationOptions) options);
-    sequence<Animation> getAnimations ();
+    Animation           animate(object? keyframes,
+                                optional (unrestricted double or KeyframeAnimationOptions) options);
+    sequence<Animation> getAnimations(optional GetAnimationsOptions options);
 };
+
 dictionary KeyframeAnimationOptions : KeyframeEffectOptions {
     DOMString id = "";
 };
 
+dictionary GetAnimationsOptions {
+    boolean subtree = false;
+};
+
 partial interface Document {
     readonly attribute DocumentTimeline timeline;
+};
+
+partial interface mixin DocumentOrShadowRoot {
     sequence<Animation> getAnimations();
 };
 
@@ -152,7 +160,7 @@ Element includes Animatable;
 CSSPseudoElement includes Animatable;
 
 [Exposed=Window,
- Constructor (DOMString type, optional AnimationPlaybackEventInit eventInitDict)]
+ Constructor(DOMString type, optional AnimationPlaybackEventInit eventInitDict)]
 interface AnimationPlaybackEvent : Event {
     readonly attribute double? currentTime;
     readonly attribute double? timelineTime;
diff --git a/tests/wpt/web-platform-tests/lint.whitelist b/tests/wpt/web-platform-tests/lint.whitelist
index c788ddd5fd61..583d6b29735d 100644
--- a/tests/wpt/web-platform-tests/lint.whitelist
+++ b/tests/wpt/web-platform-tests/lint.whitelist
@@ -392,6 +392,7 @@ SUPPORT-WRONG-DIR: css/vendor-imports/mozilla/mozilla-central-reftests/sync-test
 SUPPORT-WRONG-DIR: css/vendor-imports/mozilla/mozilla-central-reftests/masking/blank.html
 SUPPORT-WRONG-DIR: css/WOFF2/testcaseindex.xht
 NON-EXISTENT-REF: css/css-masking/clip-path-svg-content/clip-path-clip-rule-008.svg
+NON-EXISTENT-REF: css/CSS2/normal-flow/blocks-017.xht
 
 
 ## Whitespace rules that we can't enforce yet
diff --git a/tests/wpt/web-platform-tests/media-source/mediasource-endofstream.html b/tests/wpt/web-platform-tests/media-source/mediasource-endofstream.html
index 5b6114fa716a..3af190ea3eb5 100644
--- a/tests/wpt/web-platform-tests/media-source/mediasource-endofstream.html
+++ b/tests/wpt/web-platform-tests/media-source/mediasource-endofstream.html
@@ -33,11 +33,6 @@
         });
     }, 'MediaSource.endOfStream(): media element notified that it now has all of the media data');
 
-    function threeDecimalPlaces(number)
-    {
-        return Number(number.toFixed(3));
-    }
-
     mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
     {
         sourceBuffer.appendBuffer(mediaData);
@@ -52,7 +47,7 @@
             // Note that segmentInfo.duration is expected to also be the
             // highest track buffer range end time. Therefore, endOfStream() should
             // not change duration with this media.
-            assert_equals(threeDecimalPlaces(segmentInfo.duration), threeDecimalPlaces(mediaSource.duration),
+            assert_approx_equals(segmentInfo.duration, mediaSource.duration, 0.001,
                 'SegmentInfo duration should initially roughly match mediaSource duration');
             assert_less_than_equal(highestEndTime, mediaSource.duration,
                 'Media duration may be slightly longer than intersected track buffered ranges');
@@ -65,7 +60,7 @@
             assert_equals(sourceBuffer.buffered.length, 1,
               'Media data properly buffered after endOfStream');
 
-            assert_equals(threeDecimalPlaces(segmentInfo.duration), threeDecimalPlaces(mediaSource.duration),
+            assert_approx_equals(segmentInfo.duration, mediaSource.duration, 0.001,
                 'SegmentInfo duration should still roughly match mediaSource duration');
             assert_less_than_equal(highestEndTime, mediaSource.duration,
                 'Media duration may be slightly longer than intersected track buffered ranges');
diff --git a/tests/wpt/web-platform-tests/media-source/mediasource-sequencemode-append-buffer.html b/tests/wpt/web-platform-tests/media-source/mediasource-sequencemode-append-buffer.html
index 92a01abcc0ef..46008eeb258f 100644
--- a/tests/wpt/web-platform-tests/media-source/mediasource-sequencemode-append-buffer.html
+++ b/tests/wpt/web-platform-tests/media-source/mediasource-sequencemode-append-buffer.html
@@ -42,11 +42,6 @@
               test.waitForExpectedEvents(callback);
           }
 
-          function threeDecimalPlaces(number)
-          {
-              return Number(number.toFixed(3));
-          }
-
           // Verifies expected times to 3 decimal places before and after mediaSource.endOfStream(),
           // and calls |callback| on success.
           function verify_offset_and_buffered(test, mediaSource, sourceBuffer,
@@ -54,19 +49,21 @@
                                               expectedBufferedRangeMaxEndTimeBeforeEOS,
                                               expectedBufferedRangeEndTimeAfterEOS,
                                               callback) {
-              assert_equals(threeDecimalPlaces(sourceBuffer.timestampOffset),
-                            threeDecimalPlaces(expectedTimestampOffset),
-                            "expectedTimestampOffset");
+              assert_approx_equals(sourceBuffer.timestampOffset,
+                                   expectedTimestampOffset,
+                                   0.001,
+                                   "expectedTimestampOffset");
 
               // Prior to EOS, the buffered range end time may not have fully reached the next media
               // segment's timecode (adjusted by any timestampOffset). It should not exceed it though.
               // Therefore, an exact assertBufferedEquals() will not work here.
               assert_greater_than(sourceBuffer.buffered.length, 0, "sourceBuffer.buffered has at least 1 range before EOS");
-              assert_equals(threeDecimalPlaces(sourceBuffer.buffered.start(0)),
-                            threeDecimalPlaces(expectedBufferedRangeStartTime),
-                            "sourceBuffer.buffered range begins where expected before EOS");
-              assert_less_than_equal(threeDecimalPlaces(sourceBuffer.buffered.end(0)),
-                                     threeDecimalPlaces(expectedBufferedRangeMaxEndTimeBeforeEOS),
+              assert_approx_equals(sourceBuffer.buffered.start(0),
+                                   expectedBufferedRangeStartTime,
+                                   0.001,
+                                   "sourceBuffer.buffered range begins where expected before EOS");
+              assert_less_than_equal(sourceBuffer.buffered.end(0),
+                                     expectedBufferedRangeMaxEndTimeBeforeEOS + 0.001,
                                      "sourceBuffer.buffered range ends at or before expected upper bound before EOS");
 
               test.expectEvent(mediaSource, "sourceended", "mediaSource endOfStream");
diff --git a/tests/wpt/web-platform-tests/payment-request/payment-is-showing.https.html b/tests/wpt/web-platform-tests/payment-request/payment-is-showing.https.html
index 650b76d61f72..cb5b2e16dd25 100644
--- a/tests/wpt/web-platform-tests/payment-request/payment-is-showing.https.html
+++ b/tests/wpt/web-platform-tests/payment-request/payment-is-showing.https.html
@@ -10,24 +10,24 @@
 <script src="/resources/testdriver.js"></script>
 <body>
   <script>
-    "use strict";
+    'use strict';
     const applePayMethod = {
-      supportedMethods: "https://apple.com/apple-pay",
+      supportedMethods: 'https://apple.com/apple-pay',
       data: {
         version: 3,
-        merchantIdentifier: "merchant.com.example",
-        countryCode: "US",
-        merchantCapabilities: ["supports3DS"],
-        supportedNetworks: ["visa"],
+        merchantIdentifier: 'merchant.com.example',
+        countryCode: 'US',
+        merchantCapabilities: ['supports3DS'],
+        supportedNetworks: ['visa'],
       },
     };
-    const methods = [{ supportedMethods: "basic-card" }, applePayMethod];
+    const methods = [{supportedMethods: 'basic-card'}, applePayMethod];
     const details = {
       total: {
-        label: "Total",
+        label: 'Total',
         amount: {
-          currency: "USD",
-          value: "1.00",
+          currency: 'USD',
+          value: '1.00',
         },
       },
     };
@@ -38,29 +38,27 @@
      * @param {String} src Optional resource URL to load.
      * @returns {Promise} Resolves when the src loads.
      */
-    async function attachIframe(src = "blank.html") {
-      const iframe = document.createElement("iframe");
+    async function attachIframe(src = 'blank.html') {
+      const iframe = document.createElement('iframe');
       iframe.allowPaymentRequest = true;
       iframe.src = src;
       document.body.appendChild(iframe);
       await new Promise(resolve => {
-        iframe.addEventListener("load", resolve, { once: true });
+        iframe.addEventListener('load', resolve, {once: true});
       });
       return iframe;
     }
 
     /**
-     * Creates a popup window
+     * Creates a popup window. The caller must be triggered with a user gesture.
      *
      * @param {String} src Optional resource URL to load.
      * @returns {Promise} Resolves when the src loads.
      */
-    async function loadPopup(src = "blank.html") {
-      const popupWindow = await test_driver.bless("a popup window", () =>
-        window.open(src, "", "width=400,height=400")
-      );
+    async function loadPopupInsideUserGesture(src = 'blank.html') {
+      const popupWindow = window.open(src, '', 'width=400,height=400');
       await new Promise(resolve => {
-        popupWindow.addEventListener("load", resolve, { once: true });
+        popupWindow.addEventListener('load', resolve, {once: true});
       });
       popupWindow.focus();
       return popupWindow;
@@ -70,49 +68,47 @@
       const request1 = new PaymentRequest(methods, details);
       const request2 = new PaymentRequest(methods, details);
 
-      // Sets the "payment-relevant browsing context's payment request is showing boolean" to true.
-      const showPromise1 = test_driver.bless("show payment request", () =>
-        request1.show()
-      );
-
-      // Try to show a second payment sheet in the same window, which should reject.
-      const showPromise2 = test_driver.bless("show payment request", () =>
-        // Sets the request's state to "closed", and rejects with AbortError.
-        // See: https://github.com/w3c/payment-request/pull/821
-        request2.show()
+      // Sets the "payment-relevant browsing context's payment request is
+      // showing boolean" to true and then try to show a second payment sheet in
+      // the same window. The second show() should reject.
+      const [showPromise1, showPromise2] = await test_driver.bless(
+        'testing one payment sheet per window',
+        () => {
+          return [request1.show(), request2.show()];
+        },
       );
-
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         showPromise2,
-        "Attempting to show a second payment request must reject."
+        'Attempting to show a second payment request must reject.',
       );
-      await request1.abort();
 
+      await request1.abort();
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         showPromise1,
-        "request1 was aborted via .abort()"
+        'request1 was aborted via .abort()',
       );
+
       // Finally, request2 should have been "closed", so trying to show
       // it will again result in promise rejected with an InvalidStateError.
       // See: https://github.com/w3c/payment-request/pull/821
       const rejectedPromise = request2.show();
       await promise_rejects(
         t,
-        "InvalidStateError",
+        'InvalidStateError',
         rejectedPromise,
-        "Attempting to show a second payment request must reject."
+        'Attempting to show a second payment request must reject.',
       );
       // Finally, we confirm that request2's returned promises are unique.
       assert_not_equals(
         showPromise2,
         rejectedPromise,
-        "Returned Promises be unique"
+        'Returned Promises be unique',
       );
-    }, "The top browsing context can only show one payment sheet at a time.");
+    }, 'The top browsing context can only show one payment sheet at a time.');
 
     promise_test(async t => {
       const iframe = await attachIframe();
@@ -123,18 +119,21 @@
       const windowRequest = new window.PaymentRequest(methods, details);
 
       // Let's get some blessed showPromises
-      const showPromise = test_driver.bless("show payment request", () => {
-        // iframe sets "is showing boolean", ignore the returned promise.
-        iframeRequest.show();
-        // The top level window now tries to show() the payment request.
-        return windowRequest.show();
-      });
+      const [showPromise] = await test_driver.bless(
+        'testing top window show() blocked by payment sheet in iframe',
+        () => {
+          // iframe sets "is showing boolean", ignore the returned promise.
+          iframeRequest.show();
+          // The top level window now tries to show() the payment request.
+          return [windowRequest.show()];
+        },
+      );
 
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         showPromise,
-        "iframe is already showing a payment request."
+        'iframe is already showing a payment request.',
       );
 
       // Cleanup
@@ -150,89 +149,116 @@
       const iframeRequest = new iframeWindow.PaymentRequest(methods, details);
       const windowRequest = new window.PaymentRequest(methods, details);
 
-      // We show a payment request via the the top level browsing context,
-      // windowRequest.show() sets "is showing boolean" to true.
-      // We don't care about the returned promise.
-      test_driver.bless("show payment request", () => windowRequest.show());
-
-      // calling iframeRequest.show() must return a rejected promise.
-      const iframeShowPromise = test_driver.bless("show payment request", () =>
-        iframeRequest.show()
+      // We first show a payment request via the the top level browsing context,
+      // windowRequest.show() sets "is showing boolean" to true. Then we try to
+      // show a payment request in the iframe, which should reject.
+      const [iframeShowPromise] = await test_driver.bless(
+        'testing iframe show() blocked by payment sheet in top window',
+        () => {
+          windowRequest.show();
+          return [iframeRequest.show()];
+        },
       );
 
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         iframeShowPromise,
-        "The top window is already showing a payment request."
+        'The top window is already showing a payment request.',
       );
 
       // Cleanup
       await windowRequest.abort();
       iframe.remove();
-    }, "An iframe cannot show a payment request if the top-level window is already showing one.");
+    }, 'An iframe cannot show a payment request if the top-level window is already showing one.');
 
     promise_test(async t => {
-      const popupWindow = await loadPopup();
-
-      // Create requests
-      const popupRequest = new popupWindow.PaymentRequest(methods, details);
+      // Create a PaymentReuqest in top-level window.
       const windowRequest = new window.PaymentRequest(methods, details);
 
-      // show the Popup's payment request.
-      const popupShowPromise = test_driver.bless(
-        "show popup's payment request",
-        () =>
-          // popupRequest.show(), but via the window.PaymentRequest.prototype
-          window.PaymentRequest.prototype.show.call(popupRequest)
-      );
-      const showPromise = test_driver.bless("show window payment request", () =>
-        windowRequest.show()
+      // Use a single user gesture to open a popup window with a PaymentRequest.
+      // Then trigger show() first on |popupRequest| then on |windowRequest|.
+      // The latter should reject.
+      const [
+        popupWindow,
+        popupRequest,
+        popupShowPromise,
+        windowShowPromise,
+      ] = await test_driver.bless(
+        'testing top-level show() blocked by payment sheet in popup',
+        async () => {
+          const popupWindow = await loadPopupInsideUserGesture();
+          const popupRequest = new popupWindow.PaymentRequest(methods, details);
+          const popupShowPromise = popupRequest.show();
+          const windowShowPromise = windowRequest.show();
+          return [
+            popupWindow,
+            popupRequest,
+            popupShowPromise,
+            windowShowPromise,
+          ];
+        },
       );
+      await popupRequest.abort();
+      popupWindow.close();
+
       await promise_rejects(
         t,
-        "AbortError",
-        showPromise,
-        "Expected window's showPromise to reject, request is already showing"
+        'AbortError',
+        windowShowPromise,
+        "Expected window's showPromise to reject, request is already showing",
       );
-      popupWindow.close();
-    }, "Using a popup window prevents the top-browsing context from showing a payment request");
+    }, 'Using a popup window prevents the top-browsing context from showing a payment request');
 
     promise_test(async t => {
       const iframe = await attachIframe();
       const iframeWindow = iframe.contentWindow;
-      const popupWindow = await loadPopup();
 
       // Create requests
       const windowRequest = new window.PaymentRequest(methods, details);
-      const popupRequest = new popupWindow.PaymentRequest(methods, details);
       const iframeRequest = new iframeWindow.PaymentRequest(methods, details);
-      // Get the showPromise for each browsing context
+
+      // Open a popup window
+      const [popupWindow, popupRequest] =
+      await test_driver.bless(
+        'open popup to test multiple context and window calls show() first',
+        async () => {
+          const popupWindow = await loadPopupInsideUserGesture();
+          const popupRequest = new popupWindow.PaymentRequest(methods, details);
+          return [popupWindow, popupRequest];
+        },
+      );
+
+      // Get the showPromise for each browsing context. Doing this in a separate
+      // test_driver.bless() is important because the user gesture brings
+      // |window| to the foreground, so that the payment sheet can show.
       const [
         windowShowPromise,
         popupShowPromise,
         iframeShowPromise,
-      ] = await test_driver.bless("show payment request", () => {
-        return [
-          windowRequest.show(),
-          popupRequest.show(),
-          iframeRequest.show(),
-        ];
-      });
-
+      ] = await test_driver.bless(
+        'test multiple nested browsing context',
+        () => {
+          return [
+            windowRequest.show(),
+            popupRequest.show(),
+            iframeRequest.show(),
+          ];
+        },
+      );
       // popupRequest and iframeRequest will both reject
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         popupShowPromise,
-        "Expected popupShowPromise to reject, request is already showing."
+        'Expected popupShowPromise to reject, request is already showing.',
       );
 
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         iframeShowPromise,
-        "Expected iframeShowPromise to reject, request is already showing."
+        'Expected iframeShowPromise to reject, request is already showing.',
       );
 
       await windowRequest.abort();
@@ -243,39 +269,46 @@
     promise_test(async t => {
       const iframe = await attachIframe();
       const iframeWindow = iframe.contentWindow;
-      const popupWindow = await loadPopup();
 
       // Create requests
       const windowRequest = new window.PaymentRequest(methods, details);
-      const popupRequest = new popupWindow.PaymentRequest(methods, details);
       const iframeRequest = new iframeWindow.PaymentRequest(methods, details);
 
-      // Get the showPromise for each browsing context
+      // Open a popup window
       const [
+        popupWindow,
+        popupRequest,
         popupShowPromise,
         windowShowPromise,
-        iframeShowPromise,
-      ] = await test_driver.bless("show payment request", () => {
-        return [
-          popupRequest.show(),
-          windowRequest.show(),
-          iframeRequest.show(),
-        ];
+        iframeShowPromise
+      ] = await test_driver.bless(
+        'test multiple browsing context and iframe calls show() first',
+        async () => {
+          const popupWindow = await loadPopupInsideUserGesture();
+          const popupRequest = new popupWindow.PaymentRequest(methods, details);
+          const popupShowPromise = popupRequest.show();
+          const windowShowPromise = windowRequest.show();
+          const iframeShowPromise = iframeRequest.show();
+          return [popupWindow,
+                  popupRequest,
+                  popupShowPromise,
+                  windowShowPromise,
+                  iframeShowPromise];
       });
 
       // windowShowPromise and iframeRequest will both reject
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         windowShowPromise,
-        "Expected windowShowPromise to reject, the popup is showing a payment request."
+        'Expected windowShowPromise to reject, the popup is showing a payment request.',
       );
 
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         iframeShowPromise,
-        "Expected iframeShowPromise to reject, the popup is showing a payment request."
+        'Expected iframeShowPromise to reject, the popup is showing a payment request.',
       );
 
       await popupRequest.abort();
@@ -286,39 +319,51 @@
     promise_test(async t => {
       const iframe = await attachIframe();
       const iframeWindow = iframe.contentWindow;
-      const popupWindow = await loadPopup();
 
       // Create requests
       const windowRequest = new window.PaymentRequest(methods, details);
-      const popupRequest = new popupWindow.PaymentRequest(methods, details);
       const iframeRequest = new iframeWindow.PaymentRequest(methods, details);
 
-      // Get the showPromise for each browsing context
+      const [popupWindow, popupRequest] = await test_driver.bless(
+        'open popup to test multiple context and iframe calls show() first',
+        async () => {
+          const w = await loadPopupInsideUserGesture();
+          const r = new w.PaymentRequest(methods, details);
+          return [w, r];
+        },
+      );
+
+      // Get the showPromise for each browsing context. Doing this in a separate
+      // test_driver.bless() is important because the user gesture brings
+      // |window| to the foreground, so that the payment sheet can show.
       const [
         iframeShowPromise,
         popupShowPromise,
         windowShowPromise,
-      ] = await test_driver.bless("show payment request", () => {
-        return [
-          iframeRequest.show(),
-          popupRequest.show(),
-          windowRequest.show(),
-        ];
-      });
+      ] = await test_driver.bless(
+        'test multiple browsing context and iframe calls show() first',
+        async () => {
+          return [
+            iframeRequest.show(),
+            popupRequest.show(),
+            windowRequest.show(),
+          ];
+        },
+      );
 
       // windowShowPromise and iframeRequest will both reject
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         windowShowPromise,
-        "Expected windowShowPromise to reject, the popup is showing a payment request."
+        'Expected windowShowPromise to reject, the popup is showing a payment request.',
       );
 
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         popupShowPromise,
-        "Expected popupShowPromise to reject, the popup is showing a payment request."
+        'Expected popupShowPromise to reject, the popup is showing a payment request.',
       );
 
       await iframeRequest.abort();
@@ -330,49 +375,53 @@
       const iframe = await attachIframe();
       const iframeWindow = iframe.contentWindow;
       const iframeRequest = new iframeWindow.PaymentRequest(methods, details);
-      const iframeShowPromise = test_driver.bless("show payment request", () =>
-        iframeRequest.show()
+      const iframeShowPromise = test_driver.bless(
+        'test navigating iframe after show()',
+        () => iframeRequest.show(),
       );
 
       // We navigate away, causing the payment sheet to close
       // and the request is showing boolean to become false.
-      iframe.src = "blank.html?abc=123";
+      iframe.src = 'blank.html?abc=123';
       await new Promise(resolve => (iframe.onload = resolve));
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         iframeShowPromise,
-        "Navigating iframe away must cause the iframeShowPromise to reject."
+        'Navigating iframe away must cause the iframeShowPromise to reject.',
       );
       iframe.remove();
 
       // Now we should be ok to spin up a new payment request
-      const request = new window.PaymentRequest(method, details);
+      const request = new window.PaymentRequest(methods, details);
       const showPromise = request.show();
       await request.abort();
     }, "Navigating an iframe as a nested browsing context sets 'payment request is showing boolean' to false.");
 
     promise_test(async t => {
-      const popupWindow = await loadPopup();
-      const popupRequest = new popupWindow.PaymentRequest(methods, details);
-      const showPromise = test_driver.bless("show payment request", () =>
-        popupRequest.show()
+      const [popupWindow, popupRequest, showPromise] = await test_driver.bless(
+        'test navigating popup after show()',
+        async () => {
+          const popupWindow = await loadPopupInsideUserGesture();
+          const popupRequest = new popupWindow.PaymentRequest(methods, details);
+          return [popupWindow, popupRequest, popupRequest.show()];
+        },
       );
 
       // We navigate away, causing the payment sheet to close
       // and the request is showing boolean to become false.
-      popupWindow.location = "blank.html?abc=123";
+      popupWindow.location = 'blank.html?abc=123';
       await new Promise(resolve => (popupWindow.onload = resolve));
       await promise_rejects(
         t,
-        "AbortError",
+        'AbortError',
         showPromise,
-        "Navigating away must cause the showPromise to reject with an AbortError"
+        'Navigating away must cause the showPromise to reject with an AbortError',
       );
       popupWindow.close();
 
       // Now we should be ok to spin up a new payment request.
-      const request = new window.PaymentRequest(method, details);
+      const request = new window.PaymentRequest(methods, details);
       request.show();
       await request.abort();
     }, "Navigating a popup as a nested browsing context sets 'payment request is showing boolean' to false.");
diff --git a/tests/wpt/web-platform-tests/svg/types/scripted/SVGLength-px-with-context.html b/tests/wpt/web-platform-tests/svg/types/scripted/SVGLength-px-with-context.html
index c92ec7c0d023..067948d5454d 100644
--- a/tests/wpt/web-platform-tests/svg/types/scripted/SVGLength-px-with-context.html
+++ b/tests/wpt/web-platform-tests/svg/types/scripted/SVGLength-px-with-context.html
@@ -2,6 +2,7 @@
 <title>SVGLength, converting from 'px' to other units (attached)</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <p></p>
 <script>
 var cssPixelsPerInch = 96;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up-ref.html
index f73008f702a1..4be9d6a5c1ca 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, repositioning (up) when 2 cues overlap completely</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up.html
index 72e904f5e309..aca503f4b672 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_completely_move_up.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, repositioning (up) when 2 cues overlap completely</title>
 <link rel="match" href="2_cues_overlapping_completely_move_up-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down-ref.html
index 18ae4b1770f2..8262b9e598c4 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, repositioning (down) when 2 cues overlap partially</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down.html
index c39ce963c432..962045678031 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_down.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, repositioning (down) when 2 cues overlap partially</title>
 <link rel="match" href="2_cues_overlapping_partially_move_down-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up-ref.html
index b1a8b3b8e486..d6117b325714 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, repositioning (down) when 2 cues overlap partially</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up.html
index b0c96c7a8c9e..2dedb8ee120d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/2_cues_overlapping_partially_move_up.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, repositioning (down) when 2 cues overlap partially</title>
 <link rel="match" href="2_cues_overlapping_partially_move_up-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center-ref.html
index 3663d925d958..90f011dc576b 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center.html
index 9a339a64bad7..c7ab0dee17d6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center</title>
 <link rel="match" href="align_center-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50-ref.html
index 65c7dee75aa0..ed5e3a5e8e10 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center, position:50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50.html
index 40cc8c4bbe10..38df5e1bb214 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_50.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center, position:50%</title>
 <link rel="match" href="align_center_position_50-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50-ref.html
index b8d30a73801b..9f79bf8e3bf6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center, position greater than 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50.html
index 05167743c0f6..ec0460f1b736 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_gt_50.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center, position greater than 50%</title>
 <link rel="match" href="align_center_position_gt_50-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50-ref.html
index 37217da49721..cc52e2db7332 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center, position less than 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50.html
index 32b3e3a6c4de..160435c62e36 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center, position less than 50%</title>
 <link rel="match" href="align_center_position_lt_50-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size-ref.html
index 7241376f825d..02a7ae458494 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center, position less than 50%, size greater than maximum size</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size.html
index 2f62c4500ed9..04d0be47d903 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_position_lt_50_size_gt_maximum_size.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center, position less than 50%, size greater than maximum size</title>
 <link rel="match" href="align_center_position_lt_50_size_gt_maximum_size-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped-ref.html
index a9e583d66f0c..d67f0a8c04ae 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:center with long cues</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped.html
index 9292a8cc3014..3773593f0f0c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_center_wrapped.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:center with long cues</title>
 <link rel="match" href="align_center_wrapped-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end-ref.html
index e16f4afa0aa5..23c7c71affc1 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:end</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end.html
index 9da66bf4a763..c413579b2327 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:end</title>
 <link rel="match" href="align_end-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped-ref.html
index ad69c500916f..70b32cfc9bad 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:end with long cues</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped.html
index 5c85a55082d3..97e9ef7bf2d6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_end_wrapped.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:end with long cues</title>
 <link rel="match" href="align_end_wrapped-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start-ref.html
index 6c1120ca11d7..b1bae4af0b78 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:start</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start.html
index 4b87e523b013..955b231b0283 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:start</title>
 <link rel="match" href="align_start-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped-ref.html
index 866ddb153bcd..d3c28fc36194 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, align:start with long cues</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped.html
index c8bbb9969702..0664f38e63c6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/align_start_wrapped.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, align:start with long cues</title>
 <link rel="match" href="align_start_wrapped-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/audio_has_no_subtitles.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/audio_has_no_subtitles.html
index c29cf1fd7e27..65f559f90144 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/audio_has_no_subtitles.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/audio_has_no_subtitles.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, &lt;audio&gt; should not have subtitles</title>
 <link rel="match" href="audio_has_no_subtitles-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 audio {
     width: 320px;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long-ref.html
index 05f12413bcaf..1848cdf67f66 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, size:50%, cue too long - should be cut</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long.html
index b6ded24e9e87..7f020bcd96d9 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/cue_too_long.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, size:50%, cue too long - should be cut</title>
 <link rel="match" href="cue_too_long-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities-ref.html
index b51698e6c999..d12188cfa43b 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, decoding of escaped entities</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities.html
index 0f3145591c03..c5061f5f393a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/decode_escaped_entities.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>Reference for WebVTT rendering, decoding of escaped entities</title>
 <link rel="match" href="decode_escaped_entities-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition-ref.html
index eb9ba0ac9562..874cef1fa0e7 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, cue reposition after enabling controls</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition.html
index f01f4c27912d..43c0acef742a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/disable_controls_reposition.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, cue reposition after disabling controls</title>
 <link rel="match" href="disable_controls_reposition-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 video {
   outline: solid;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size-ref.html
index 483352b93251..dd4897051646 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, a cue's align, position, line and size properties is possible to override using the DOM APIs</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size.html
index e4890faaecce..4134b46153ba 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, a cue's align, position, line and size properties is possible to override using the DOM APIs</title>
 <link rel="match" href="dom_override_cue_align_position_line_size-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused-ref.html
index 51afb9b441a5..fccabb9bbafa 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, a cue's align, position, line and size properties should be rerendered when overriding them using the DOM APIs while paused</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused.html
index e0a0194dcc60..7fc81bb2eafa 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_align_position_line_size_while_paused.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, a cue's align, position, line and size properties should be rerendered when overriding them using the DOM APIs while paused</title>
 <link rel="match" href="dom_override_cue_align_position_line_size_while_paused-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line-ref.html
index d4384913c29f..7569d28e4d86 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, it is possible to override cue line with the DOM APIs</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line.html
index 189090ed1445..f133708a8fd3 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_line.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, it is possible to override cue line with the DOM APIs</title>
 <link rel="match" href="dom_override_cue_line-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text-ref.html
index 94d88c40dd9e..e00d422ff708 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, it is possible to override cue text with the DOM APIs</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text.html
index aca244c5fa45..d2e29e5d7d04 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, it is possible to override cue text with the DOM APIs</title>
 <link rel="match" href="dom_override_cue_text-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused-ref.html
index a5f68cea3d3f..ef2edc968f8a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, cue text should be rerendered when overriding them using the DOM APIs while paused</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused.html
index b6dc07e2e225..728b8bab19bf 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_cue_text_while_paused.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, cue text should be rerendered when overriding them using the DOM APIs while paused</title>
 <link rel="match" href="dom_override_cue_text_while_paused-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_remove_cue_while_paused.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_remove_cue_while_paused.html
index 9233df874cf4..459ceabbf8d5 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_remove_cue_while_paused.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/dom_override_remove_cue_while_paused.html
@@ -3,6 +3,7 @@
 <title>WebVTT rendering, cue text should be removed when removing them using the DOM APIs while paused</title>
 <link rel="match" href="dom_override_remove_cue_while_paused-ref.html">
 <script src="/common/reftest-wait.js"></script>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow: hidden }
 body { margin: 0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition-ref.html
index 07f9dc12db8e..f150531bbda8 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, cue reposition after enabling controls</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition.html
index 192595c44e9b..7bfb8d9ff56e 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/enable_controls_reposition.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, cue reposition after enabling controls</title>
 <link rel="match" href="enable_controls_reposition-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 video {
   outline: solid;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely-ref.html
index 58fcb89e0990..5eb5d7325648 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, repositioning of 9 cues that overlap completely</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely.html
index 8c8728a4864e..606ded5095e1 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely.html
@@ -3,6 +3,7 @@
 <title>WebVTT rendering, repositioning of 9 cues that overlap completely</title>
 <meta name="timeout" content="long">
 <link rel="match" href="9_cues_overlapping_completely-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp-ref.html
index fa69db1d9df8..22095bf68585 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, repositioning of 9 cues that overlap completely and all cues have the same timestamp</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp.html
index a730c27b2a00..00d4eccfd99a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/9_cues_overlapping_completely_all_cues_have_same_timestamp.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, repositioning of 9 cues that overlap completely and all cues have the same timestamp</title>
 <link rel="match" href="9_cues_overlapping_completely_all_cues_have_same_timestamp-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_404_omit_subtitles.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_404_omit_subtitles.html
index e216ce079738..7e29894caeff 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_404_omit_subtitles.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_404_omit_subtitles.html
@@ -2,6 +2,7 @@
 <!-- no reftest-wait -->
 <title>WebVTT rendering, when media cannot be played (404 error), subtitles are not displayed</title>
 <link rel="match" href="media_404_omit_subtitles-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19-ref.html
index e6dcfcee363a..2b7a1ed2bf60 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, when media height is 19 or less, font size should be smaller than when it is 20 and above</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19.html
index b3eeed2421cc..fb7662b66caf 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/media_height_19.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, when media height is 19 or less, font size should be smaller than when it is 20 and above</title>
 <link rel="match" href="media_height_19-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/single_quote.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/single_quote.html
index 8870e943b319..b01206350188 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/single_quote.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/single_quote.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, single quote should not be levitated</title>
 <link rel="match" href="single_quote-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90-ref.html
index 4eb2bdc693b3..de39a8b7adcc 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, size:90% == size:100% when text does not need to wrap</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90.html
index d5a6a3aea647..b535168c5ddf 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_90.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, size:99% == size:100% when text does not need to wrap</title>
 <link rel="match" href="size_90-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99-ref.html
index 99bc90b5b272..7a6755a08d47 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, size:99% == size:100% when text does not need to wrap</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99.html
index b3466e9ec1ff..60e65bbfa434 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/evil/size_99.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, size:99% == size:100% when text does not need to wrap</title>
 <link rel="match" href="size_99-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards-ref.html
index b7332d1549e7..b3819320bf76 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line:-2, size:50%, wrapped cue should grow upwards</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards.html
index 6da6cc5e1b19..85d7d6f81eb0 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_-2_wrapped_cue_grow_upwards.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line:-2, size:50%, wrapped cue should grow upwards</title>
 <link rel="match" href="line_-2_wrapped_cue_grow_upwards-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards-ref.html
index 6630675e09d0..44f2c3178598 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line:1, size:50%, wrapped cue should grow downwards</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards.html
index b92b3dcbdd02..0b1c25e6b132 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_1_wrapped_cue_grow_downwards.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line:1, size:50%, wrapped cue should grow downwards</title>
 <link rel="match" href="line_1_wrapped_cue_grow_downwards-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent-ref.html
index fde1b488dbf3..098679f7be71 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line:50% should be vertically centered</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent.html
index d4abdcc81b18..b433708ae3df 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line:50% should be vertically centered</title>
 <link rel="match" href="line_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap-ref.html
index 05f908572b83..cb39fde53e58 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line integer and percent mixed with overlap</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap.html
index fe8dc2063890..3106f2013d51 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line integer and percent mixed with overlap</title>
 <link rel="match" href="line_integer_and_percent_mixed_overlap-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up-ref.html
index d29b18c0ab9d..13247ea8bbd6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line integer and percent mixed with overlap move up</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up.html
index 97d283f08d42..1f9792f6e0b3 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_integer_and_percent_mixed_overlap_move_up.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line integer and percent mixed with overlap move up</title>
 <link rel="match" href="line_integer_and_percent_mixed_overlap_move_up-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap-ref.html
index babbd03b3284..6f96ab986e17 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line percent and integer mixed with overlap</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap.html
index bd61881bf726..059a7ccd606d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line percent and integer mixed with overlap</title>
 <link rel="match" href="line_percent_and_integer_mixed_overlap-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up-ref.html
index 3eb6ec9a0a1c..8f14e15e92c8 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, line percent and integer mixed with overlap move up</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up.html
index e12bcd574b04..08016057f478 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/line_percent_and_integer_mixed_overlap_move_up.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, line percent and integer mixed with overlap move up</title>
 <link rel="match" href="line_percent_and_integer_mixed_overlap_move_up-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls-ref.html
index 088cea5a47e8..ed5b3f88264c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <title>Reference for WebVTT rendering, the subtitles is not covered by or covering the controls</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls.html
index b864eec79798..349a121d9b59 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_height400_with_controls.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, the subtitles is not covered by or covering the controls</title>
 <link rel="match" href="media_height400_with_controls-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls-ref.html
index d12de278a749..58b32dd6597c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html class="reftest-wait">
 <title>Reference for WebVTT rendering, the subtitles are moved up to correct position when controls are visible</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls.html
index aab664fef791..dda72d16a6ee 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/media_with_controls.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, the subtitles are moved up to correct position when controls are visible</title>
 <link rel="match" href="media_with_controls-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-1.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-1.html
index d9589b0359a4..0139f0c83395 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-1.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-1.html
@@ -1,6 +1,7 @@
 <!doctype html>
 <html>
 <title>WebVTT rendering, cue position after navigation</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 video {
   outline: solid;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-ref-1.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-ref-1.html
index 019ada8e52ec..fb954a423027 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-ref-1.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/navigate_cue_position-ref-1.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, cue position after navigation</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 .video {
     display: inline-block;
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue-ref.html
index 0773783e77ce..47bb32d8c7c5 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, one line cue and cue that wraps - both should be fully visible</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue.html
index 68c44beaefb4..4f95ebfa7ca2 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/one_line_cue_plus_wrapped_cue.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, one line cue and cue that wraps - both should be fully visible</title>
 <link rel="match" href="one_line_cue_plus_wrapped_cue-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic-ref.html
index ff90d4829c4d..e73018cb9e21 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, default</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic.html
index d799c8fa88a7..54a3f8bbf830 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/basic.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, default</title>
 <link rel="match" href="basic-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent-ref.html
index 251a04687f9e..8e87920daa1c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, regionanchor x 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent.html
index 7a1c0711624c..41fa9b377463 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_x_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, regionanchor x 50%</title>
 <link rel="match" href="regionanchor_x_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_y_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_y_50_percent.html
index 98b5fc540c63..c1c08a7ea8d4 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_y_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/regionanchor_y_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, regionanchor y 50%</title>
 <link rel="match" href="regionanchor_y_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up-ref.html
index 6a68c722e4db..378df3d2ab2e 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, scroll up</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up.html
index 93fa0e0ec039..16af1bc51678 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/scroll_up.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, scroll up</title>
 <link rel="match" href="scroll_up-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left-ref.html
index a183448cb1b3..8dea283bc901 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, single line top left</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left.html
index 3ed340b4bf40..873416cd0e77 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/single_line_top_left.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, single line top left</title>
 <link rel="match" href="single_line_top_left-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent-ref.html
index c216838a6948..79f8e089caa4 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, viewportanchor x 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent.html
index 69e71bf83c0b..01f37fbf0d94 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_x_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, viewportanchor x 50%</title>
 <link rel="match" href="viewportanchor_x_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent-ref.html
index f432047c5a6b..238b4af7995f 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, viewportanchor y 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent.html
index 58f1362892d1..504f4a99d0fd 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/viewportanchor_y_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, viewportanchor y 50%</title>
 <link rel="match" href="viewportanchor_y_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent-ref.html
index fd69b643f569..d27d698f79d9 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering regions, width 50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent.html
index 2d23d1641afa..ba550344f10a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/regions/width_50_percent.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering regions, width 50%</title>
 <link rel="match" href="width_50_percent-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties-ref.html
index c6e28a61ad01..669342072a0c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue-region, font properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties.html
index ba8f8bb82b80..7ba2796aa9d6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region/font_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue-region, font properties</title>
 <link rel="match" href="font_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties-ref.html
index e84a3f4c81e6..6c027c28a23c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue-region(), font properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties.html
index 226b26473c8b..dd01d7460269 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue-region_function/font_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue-region(), font properties</title>
 <link rel="match" href="font_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties-ref.html
index addbb46f7985..c38d513a42be 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, background properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties.html
index 9830c7ad12ca..7c1757dd0f61 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, background properties</title>
 <link rel="match" href="background_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand-ref.html
index 9dc3306550e3..b6e8692dc925 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, background shorthand</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand.html
index f3e866738751..d8c15b1982d4 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, background shorthand</title>
 <link rel="match" href="background_shorthand-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url-ref.html
index 62f6872406a9..f630d7caad5d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, background shorthand, background image URL with relative path from CSS file</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url.html
index f7edc2cb0676..2397fec00528 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/background_shorthand_css_relative_url.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, background shorthand, background image URL with relative path from CSS file</title>
 <link rel="match" href="background_shorthand_css_relative_url-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex-ref.html
index 351dfd7bd6c6..7e37d8f78764 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, color: #60ff60</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex.html
index 0c30919621e4..a759e718f8d2 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hex.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, color: #60ff60</title>
 <link rel="match" href="color_hex-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla-ref.html
index 9cf828fe3bdc..377a8ebe82a8 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, color: hsla()</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla.html
index b97d2f6fd978..2287c703ef38 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_hsla.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, color: hsla()</title>
 <link rel="match" href="color_hsla-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba-ref.html
index 8d25f4c282db..461e743da56c 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, color: rgba()</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba.html
index c3ca5dc924e6..6848b8d75b88 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/color_rgba.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, color: rgba()</title>
 <link rel="match" href="color_rgba-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties-ref.html
index cabf34c47565..c436b0a72f50 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, outline properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties.html
index 763723baa242..f4d4eed5f84f 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, outline properties</title>
 <link rel="match" href="outline_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand-ref.html
index c29f841d0f83..5ec6727ea2f0 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue, outline shorthand</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand.html
index 60759c955219..e16c083e119a 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/outline_shorthand.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue, outline shorthand</title>
 <link rel="match" href="outline_shorthand-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position-ref.html
index 53405cf1c0a7..8e33ca41a472 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, bidi ruby</title>
  <meta charset="UTF-8">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position.html
index 371a296aaeb7..2a5944089317 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_ruby-position.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, vertical cue with ruby position left</title>
 <link rel="match" href="vertical_ruby-position-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright-ref.html
index 270bb790f952..9283f049c2a6 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, bidi ruby</title>
  <meta charset="UTF-8">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright.html
index 5aebd035e99c..56899c5a1070 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue/vertical_text-combine-upright.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, vertical cue with text-combine-upright digits</title>
 <link rel="match" href="vertical_text-combine-upright-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties-ref.html
index cf5136611adb..e85da9c268af 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), background properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties.html
index 41c51641432e..5c0dae4d4187 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), background properties</title>
 <link rel="match" href="background_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand-ref.html
index 709c1a626537..85a65c96365b 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), background shorthand</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand.html
index a45f8894becc..da6e5c554167 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), background shorthand</title>
 <link rel="match" href="background_shorthand-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url-ref.html
index 9e06fbae9065..9f203dfe85eb 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), background shorthand, background image URL with relative path from CSS file</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url.html
index 18718f52c600..10777f0e3268 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/background_shorthand_css_relative_url.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), background shorthand, background image URL with relative path from CSS file</title>
 <link rel="match" href="background_shorthand_css_relative_url-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright-ref.html
index 09491271679e..8bbd791136c1 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright-ref.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, bidi ruby</title>
  <meta charset="UTF-8">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright.html
index bf99691c2e50..fe0d22843d90 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_vertical_text-combine-upright.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, vertical cue with class to apply text-combine-upright all</title>
 <link rel="match" href="class_vertical_text-combine-upright-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex-ref.html
index d4b80bf95261..9b1d412d5a52 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), color: #60ff60</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex.html
index d22fce30358f..08f77c7b42d2 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hex.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), color: #60ff60</title>
 <link rel="match" href="color_hex-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla-ref.html
index 8d1ca416d00d..0ad35cd63bac 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), color: hsla()</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla.html
index b003c4bda92f..eb3f29b65071 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_hsla.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), color: hsla()</title>
 <link rel="match" href="color_hsla-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba-ref.html
index 078d1e3487b5..15cc158bc81d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), color: rgba()</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba.html
index a6f4c6c25892..1045626b4c52 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/color_rgba.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), color: rgba()</title>
 <link rel="match" href="color_rgba-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color-ref.html
index c719ec8f6c53..fce51702f745 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, cue with ID, ::cue(#foo) selector</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color.html
index 00697922a8d8..0371fe1c2432 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/id_color.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, cue with ID, ::cue(#foo) selector</title>
 <link rel="match" href="id_color-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties-ref.html
index e329fb7c2624..a4cf1518d18d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), outline properties</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties.html
index 32fa70e111a9..8510ab41dd75 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_properties.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), outline properties</title>
 <link rel="match" href="outline_properties-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand-ref.html
index 0f79e9220500..c808acba76af 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(), outline shorthand</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand.html
index 579bfea3937c..88f7a4bdb74b 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/outline_shorthand.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(), outline shorthand</title>
 <link rel="match" href="outline_shorthand-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace-ref.html
index 75b73fceddf2..28602829d269 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(|*) should match the root</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace.html
index 8706b17a718d..0829a2be8195 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/root_namespace.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(|*) should match the root</title>
 <link rel="match" href="root_namespace-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace-ref.html
index b9be8d1ae85a..421789935cf0 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, ::cue(|v) should match</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace.html
index d9e1521f37cb..d379b52272ac 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/voice_object/voice_namespace.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, ::cue(|v) should match</title>
 <link rel="match" href="voice_namespace-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50-ref.html
index a192ccffa7c5..24ac13d9dc08 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, size:50%</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50.html
index 95e14dea70ff..6dc019754d52 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/size_50.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, size:50%</title>
 <link rel="match" href="size_50-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues-ref.html
index bb6c0a403b95..24d4be38a304 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, too many cues - cues that cannot fit should not be shown</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues.html
index e249327605cd..77ed76522791 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, too many cues - cues that cannot fit should not be shown</title>
 <link rel="match" href="too_many_cues-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped-ref.html
index 113e69ef75b2..a84de5cae412 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped-ref.html
@@ -1,5 +1,6 @@
 <!DOCTYPE html>
 <title>Reference for WebVTT rendering, too many cues (wrapped) - cues that cannot fit should not be shown</title>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped.html
index ebe1f6e90fbe..f2dfad87f82d 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/too_many_cues_wrapped.html
@@ -2,6 +2,7 @@
 <html class="reftest-wait">
 <title>WebVTT rendering, too many cues (wrapped) - cues that cannot fit should not be shown</title>
 <link rel="match" href="too_many_cues_wrapped-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
 html { overflow:hidden }
 body { margin:0 }