diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 2d3beb57b272..2af64324bfb8 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -316689,9 +316689,15 @@
      {}
     ]
    ],
-   "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html": [
+   "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html": [
     [
-     "/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html",
+     "/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html",
+     {}
+    ]
+   ],
+   "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html": [
+    [
+     "/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html",
      {}
     ]
    ],
@@ -521944,8 +521950,12 @@
    "e19ec7ede86d52ecf29a142607de481facabcfb2",
    "testharness"
   ],
-  "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html": [
-   "e2d56515f3580649fc9cc8188b39056beb030036",
+  "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html": [
+   "9abf1e98ec0291f305c274e24f34b15b8c334e72",
+   "testharness"
+  ],
+  "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html": [
+   "a59472a3897ef37e3978f803f6a36d7a893e1f95",
    "testharness"
   ],
   "css/css-typed-om/stylevalue-subclasses/numeric-objects/cssnumericvalue-multiply-two-types.tentative.html": [
diff --git a/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini b/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini
new file mode 100644
index 000000000000..26435e28b090
--- /dev/null
+++ b/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini
@@ -0,0 +1,2 @@
+[vh_not_refreshing_on_chrome.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/canvas/rapid-resizing.html.ini b/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/canvas/rapid-resizing.html.ini
new file mode 100644
index 000000000000..1e2567027d8a
--- /dev/null
+++ b/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/canvas/rapid-resizing.html.ini
@@ -0,0 +1,5 @@
+[rapid-resizing.html]
+  expected: TIMEOUT
+  [Overall test]
+    expected: NOTRUN
+
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html b/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html
new file mode 100644
index 000000000000..4dff735e9713
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue-value.html
@@ -0,0 +1,19 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>CSSUnitValue.value</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#cssunitvalue">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+test(() => {
+  const result = new CSSUnitValue(-3.14, 'px');
+  result.value = 3.14;
+  assert_equals(result.value, 3.14, 'value reflects new value');
+  assert_equals(result.unit, 'px', 'unit does not change');
+}, 'CSSUnitValue.value can be updated to a different value');
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html b/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html
new file mode 100644
index 000000000000..411b36fe1ed7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>CSSUnitValue Constructor</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-cssunitvalue-cssunitvalue">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+test(() => {
+  assert_throws(new TypeError(), () => new CSSUnitValue(0, 'lemon'));
+}, 'Constructing CSSUnitValue with an unknown unit throws a TypeError');
+
+test(() => {
+  assert_throws(new TypeError(), () => new CSSUnitValue(0, ''));
+}, 'Constructing CSSUnitValue with a empty string unit throws a TypeError');
+
+for (const unit of gValidUnits) {
+  test(() => {
+    const result = new CSSUnitValue(-3.14, unit);
+    assert_not_equals(result, null, 'a CSSUnitValue is created');
+    assert_equals(result.value, -3.14,
+                  'value is same as given by constructor');
+    assert_equals(result.unit, unit.toLowerCase(),
+                  'unit is same as given by constructor');
+  }, 'CSSUnitValue can be constructed with ' + unit);
+}
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html b/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html
deleted file mode 100644
index e1278b20b6ba..000000000000
--- a/tests/wpt/web-platform-tests/css/css-typed-om/stylevalue-subclasses/numeric-objects/cssUnitValue.tentative.html
+++ /dev/null
@@ -1,30 +0,0 @@
-<!doctype html>
-<meta charset="utf-8">
-<title>CSSUnitValue tests</title>
-<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#simple-numeric">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="../../resources/testhelper.js"></script>
-<script>
-'use strict';
-
-const gInvalidTestUnits = [
-  { unit: '', desc: 'an empty string' },
-  { unit: 'lemon', desc: 'an invalid unit' },
-];
-
-for (const {unit, desc} of gInvalidTestUnits) {
-  test(() => {
-    assert_throws(new TypeError(), () => new CSSUnitValue(0, unit));
-  }, 'Constructing CSSUnitValue with ' + desc + ' as the unit throws a TypeError');
-}
-
-for (const unit of gValidUnits) {
-  test(() => {
-    const result = new CSSUnitValue(-3.14, unit);
-    assert_equals(result.value, -3.14);
-    assert_equals(result.unit, unit.toLowerCase());
-  }, 'CSSUnitValue can be constructed with ' + unit);
-}
-
-</script>
