diff --git a/tests/wpt/include-layout-2020.ini b/tests/wpt/include-layout-2020.ini
index f689dde483b2..eb6b04d30807 100644
--- a/tests/wpt/include-layout-2020.ini
+++ b/tests/wpt/include-layout-2020.ini
@@ -3,6 +3,8 @@ skip: true
   skip: true
   [css]
     skip: false
+  [mozilla]
+    skip: false
 [css]
   skip: true
   [CSS2]
@@ -13,3 +15,5 @@ skip: true
       skip: false
   [css-backgrounds]
     skip: false
+  [cssom-view]
+    skip: false
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
new file mode 100644
index 000000000000..4c79907309ba
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
@@ -0,0 +1,4 @@
+[CaretPosition-001.html]
+  [Element at (400, 100)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/DOMRectList.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/DOMRectList.html.ini
new file mode 100644
index 000000000000..ddbb141c3f77
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/DOMRectList.html.ini
@@ -0,0 +1,7 @@
+[DOMRectList.html]
+  [Range getClientRects()]
+    expected: FAIL
+
+  [Element getClientRects()]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/GetBoundingRect.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/GetBoundingRect.html.ini
new file mode 100644
index 000000000000..668456deca03
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/GetBoundingRect.html.ini
@@ -0,0 +1,4 @@
+[GetBoundingRect.html]
+  [getBoundingClientRect]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/HTMLBody-ScrollArea_quirksmode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/HTMLBody-ScrollArea_quirksmode.html.ini
new file mode 100644
index 000000000000..4a680249460c
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/HTMLBody-ScrollArea_quirksmode.html.ini
@@ -0,0 +1,13 @@
+[HTMLBody-ScrollArea_quirksmode.html]
+  [document.scrollingElement should be body element in quirks.]
+    expected: FAIL
+
+  [scrollingElement in quirks should be null when body is potentially scrollable.]
+    expected: FAIL
+
+  [scrollingElement in quirks should be body if any of document and body has a visible overflow.]
+    expected: FAIL
+
+  [When body potentially scrollable, document.body.scrollHeight changes when changing the height of the body content in quirks.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini
new file mode 100644
index 000000000000..434378ac0a7b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini
@@ -0,0 +1,19 @@
+[MediaQueryList-addListener-handleEvent.html]
+  [throws if handleEvent is falsy and not callable]
+    expected: FAIL
+
+  [looks up handleEvent method on every event dispatch]
+    expected: FAIL
+
+  [calls handleEvent method of event listener]
+    expected: FAIL
+
+  [rethrows errors when getting handleEvent]
+    expected: FAIL
+
+  [doesn't look up handleEvent method on callable event listeners]
+    expected: FAIL
+
+  [throws if handleEvent is thruthy and not callable]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini
new file mode 100644
index 000000000000..f4b1d458a7f1
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini
@@ -0,0 +1,19 @@
+[MediaQueryList-addListener-removeListener.html]
+  [removing listener from one MQL doesn't remove it from all MQLs]
+    expected: FAIL
+
+  [listeners are called when <iframe> is resized]
+    expected: FAIL
+
+  [listeners are called in order they were added]
+    expected: FAIL
+
+  [listeners are called in order their MQLs were created]
+    expected: FAIL
+
+  [listener that was added twice is called only once]
+    expected: FAIL
+
+  [listeners are called correct number of times]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget-interop.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget-interop.html.ini
new file mode 100644
index 000000000000..b97dc0eb6133
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget-interop.html.ini
@@ -0,0 +1,16 @@
+[MediaQueryList-extends-EventTarget-interop.html]
+  [removeEventListener (capture) doesn't remove listener added with addListener]
+    expected: FAIL
+
+  [listener added with addListener and addEventListener (capture) is called twice]
+    expected: FAIL
+
+  [listener added with addListener and addEventListener is called once]
+    expected: FAIL
+
+  [removeListener doesn't remove listener added with addEventListener (capture)]
+    expected: FAIL
+
+  [capturing event listener fires before non-capturing listener at target]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget.html.ini
new file mode 100644
index 000000000000..283a5d6fbca2
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-extends-EventTarget.html.ini
@@ -0,0 +1,13 @@
+[MediaQueryList-extends-EventTarget.html]
+  [onchange removes listener]
+    expected: FAIL
+
+  [onchange adds listener]
+    expected: FAIL
+
+  [listeners for "change" type are called]
+    expected: FAIL
+
+  [addEventListener "once" option is respected]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryListEvent.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryListEvent.html.ini
new file mode 100644
index 000000000000..d332328ad761
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryListEvent.html.ini
@@ -0,0 +1,10 @@
+[MediaQueryListEvent.html]
+  [argument of onchange]
+    expected: FAIL
+
+  [constructor of "change" event]
+    expected: FAIL
+
+  [argument of addListener]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-002.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-002.html.ini
new file mode 100644
index 000000000000..b91f2ed318f9
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-002.html.ini
@@ -0,0 +1,4 @@
+[cssom-getBoundingClientRect-002.html]
+  [getBoundingClientRect on a newly-created Element not yet inserted into the DOM should return an all-zeroes DOMRect]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-vertical-rl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-vertical-rl.html.ini
new file mode 100644
index 000000000000..87cc807c4200
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoundingClientRect-vertical-rl.html.ini
@@ -0,0 +1,2 @@
+[cssom-getBoundingClientRect-vertical-rl.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoxQuads-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoxQuads-001.html.ini
new file mode 100644
index 000000000000..61e793df399b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getBoxQuads-001.html.ini
@@ -0,0 +1,4 @@
+[cssom-getBoxQuads-001.html]
+  [CSSOM View - getBoxQuads() returns proper border and margin boxes for block and flex]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getClientRects-002.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getClientRects-002.html.ini
new file mode 100644
index 000000000000..a0b522c15abd
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-getClientRects-002.html.ini
@@ -0,0 +1,4 @@
+[cssom-getClientRects-002.html]
+  [CSSOM View - GetClientRects().length is the same regardless source new lines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-view-img-attributes-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-view-img-attributes-001.html.ini
new file mode 100644
index 000000000000..e6a6d88df83e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/cssom-view-img-attributes-001.html.ini
@@ -0,0 +1,13 @@
+[cssom-view-img-attributes-001.html]
+  [test x with display true]
+    expected: FAIL
+
+  [test y with display true]
+    expected: FAIL
+
+  [test y with display false]
+    expected: FAIL
+
+  [test x with display false]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/dom-element-scroll.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/dom-element-scroll.html.ini
new file mode 100644
index 000000000000..827c877f0323
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/dom-element-scroll.html.ini
@@ -0,0 +1,7 @@
+[dom-element-scroll.html]
+  [Element test for having overflow]
+    expected: FAIL
+
+  [Element test for having scrolling box]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
new file mode 100644
index 000000000000..e38782d8c85a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-001.html]
+  [CSSOM View - 5 - extensions to the Document interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-002.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-002.html.ini
new file mode 100644
index 000000000000..32c1a2431f71
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-002.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-002.html]
+  [Checking whether dynamic changes to visibility interact correctly with\n  table anonymous boxes]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-003.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-003.html.ini
new file mode 100644
index 000000000000..5cf714570e57
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-003.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-003.html]
+  [Checking whether dynamic changes to visibility interact correctly with\n  table anonymous boxes]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-dynamic-anon-box.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-dynamic-anon-box.html.ini
new file mode 100644
index 000000000000..4596f046e93a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-dynamic-anon-box.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-dynamic-anon-box.html]
+  [Link should be clickable after hiding a scrollbox with an anonymous table inside]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-list-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-list-001.html.ini
new file mode 100644
index 000000000000..2000dec9a5e0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-list-001.html.ini
@@ -0,0 +1,31 @@
+[elementFromPoint-list-001.html]
+  [<li>Image Inside 2</li>]
+    expected: FAIL
+
+  [<li>Image Outside 2</li>]
+    expected: FAIL
+
+  [<li>Image Inside 1</li>]
+    expected: FAIL
+
+  [<li>Inside 1</li>]
+    expected: FAIL
+
+  [<li>Outside 2</li>]
+    expected: FAIL
+
+  [<li>Image Outside 1</li>]
+    expected: FAIL
+
+  [<li>Outside 3</li>]
+    expected: FAIL
+
+  [<li>Outside 1</li>]
+    expected: FAIL
+
+  [<li>Inside 2</li>]
+    expected: FAIL
+
+  [<li>Inside 3</li>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-mixed-font-sizes.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-mixed-font-sizes.html.ini
new file mode 100644
index 000000000000..07386cbb8724
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-mixed-font-sizes.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-mixed-font-sizes.html]
+  [document.elementFromPoint finds container SPAN in the empty region above a child SPAN with a smaller font size]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-subpixel.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-subpixel.html.ini
new file mode 100644
index 000000000000..776c208aa716
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-subpixel.html.ini
@@ -0,0 +1,13 @@
+[elementFromPoint-subpixel.html]
+  [Hit test top left corner of box]
+    expected: FAIL
+
+  [Hit test top right corner of box]
+    expected: FAIL
+
+  [Hit test lower left corner of box]
+    expected: FAIL
+
+  [Hit test bottom left corner of box]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint.html.ini
new file mode 100644
index 000000000000..b131edcd3b48
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint.html.ini
@@ -0,0 +1,16 @@
+[elementFromPoint.html]
+  [Fieldsets]
+    expected: FAIL
+
+  [SVG element at x,y]
+    expected: FAIL
+
+  [no hit target at x,y]
+    expected: FAIL
+
+  [transformed element at x,y]
+    expected: FAIL
+
+  [Image Maps]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
new file mode 100644
index 000000000000..c6c0c87a48d7
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
@@ -0,0 +1,22 @@
+[elementFromPosition.html]
+  [test some point of the element: right line]
+    expected: FAIL
+
+  [test some point of the element: bottom left corner]
+    expected: FAIL
+
+  [test some point of the element: bottom line]
+    expected: FAIL
+
+  [test some point of the element: top right corner]
+    expected: FAIL
+
+  [test some point of the element: top left corner]
+    expected: FAIL
+
+  [test some point of the element: bottom right corner]
+    expected: FAIL
+
+  [test the top of layer]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll-002.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll-002.html.ini
new file mode 100644
index 000000000000..8fff5d59532e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll-002.html.ini
@@ -0,0 +1,13 @@
+[elementScroll-002.html]
+  [simple scroll with style: 'padding' and 'overflow: hidden']
+    expected: FAIL
+
+  [simple scroll with style: 'margin' and 'overflow: hidden']
+    expected: FAIL
+
+  [simple scroll with style: 'margin' and 'overflow: scroll']
+    expected: FAIL
+
+  [simple scroll with style: 'padding' and 'overflow: scroll']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll.html.ini
new file mode 100644
index 000000000000..d25b39e24efa
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementScroll.html.ini
@@ -0,0 +1,25 @@
+[elementScroll.html]
+  [Element scrollTop/Left getter/setter test]
+    expected: FAIL
+
+  [Element scrollBy test (two arguments)]
+    expected: FAIL
+
+  [Element scrollTo test (two arguments)]
+    expected: FAIL
+
+  [Element scroll test (two arguments)]
+    expected: FAIL
+
+  [Element scroll maximum test]
+    expected: FAIL
+
+  [Element scrollTo test (one argument)]
+    expected: FAIL
+
+  [Element scrollBy test (one argument)]
+    expected: FAIL
+
+  [Element scroll test (one argument)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-iframes.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-iframes.html.ini
new file mode 100644
index 000000000000..743abf51b2a3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-iframes.html.ini
@@ -0,0 +1,7 @@
+[elementsFromPoint-iframes.html]
+  [elementsFromPoint on inner documents]
+    expected: FAIL
+
+  [elementsFromPoint on the root document for points in iframe elements]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-ltr.html.ini
new file mode 100644
index 000000000000..f1cbd4b053a2
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-ltr.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-htb-ltr.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-rtl.html.ini
new file mode 100644
index 000000000000..6bb65a029af9
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-htb-rtl.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-htb-rtl.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-ltr.html.ini
new file mode 100644
index 000000000000..5beea7124f08
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-ltr.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-vlr-ltr.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-rtl.html.ini
new file mode 100644
index 000000000000..55d2e532aa8b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vlr-rtl.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-vlr-rtl.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-ltr.html.ini
new file mode 100644
index 000000000000..ac303c371a03
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-ltr.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-vrl-ltr.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-rtl.html.ini
new file mode 100644
index 000000000000..267080e79ed4
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-inline-vrl-rtl.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-inline-vrl-rtl.html]
+  [elementsFromPoint should return all elements under a point]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
new file mode 100644
index 000000000000..23f053f4f4a2
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
@@ -0,0 +1,4 @@
+[elementsFromPoint-invalid-cases.html]
+  [The root element is the last element returned for valid queries]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-shadowroot.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-shadowroot.html.ini
new file mode 100644
index 000000000000..815ad5a126e0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-shadowroot.html.ini
@@ -0,0 +1,2 @@
+[elementsFromPoint-shadowroot.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-simple.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-simple.html.ini
new file mode 100644
index 000000000000..04934ea8cfce
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-simple.html.ini
@@ -0,0 +1,19 @@
+[elementsFromPoint-simple.html]
+  [elementsFromPoint for each corner of a simple div]
+    expected: FAIL
+
+  [elementsFromPoint for each corner of a div that is between another div and its pseudo-element]
+    expected: FAIL
+
+  [elementsFromPoint for each corner of a div with pointer-events:none]
+    expected: FAIL
+
+  [elementsFromPoint for each corner of a div that has a margin]
+    expected: FAIL
+
+  [elementsFromPoint for each corner of a div that has a pseudo-element]
+    expected: FAIL
+
+  [elementsFromPoint for each corner of a div with a 3d transform]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg-text.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg-text.html.ini
new file mode 100644
index 000000000000..f6d579f279bf
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg-text.html.ini
@@ -0,0 +1,13 @@
+[elementsFromPoint-svg-text.html]
+  [elementsFromPoint for a point inside a <textPath> nested in a <text> without content]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside a <tspan> nested in a <text> without content]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside a <text>]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside an overlapping <tspan> nested in a <text>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg.html.ini
new file mode 100644
index 000000000000..460926666450
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-svg.html.ini
@@ -0,0 +1,13 @@
+[elementsFromPoint-svg.html]
+  [elementsFromPoint for a point inside two rects that are inside a <g>]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside two rects]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside two images]
+    expected: FAIL
+
+  [elementsFromPoint for a point inside transformed rects and <g>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-table.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-table.html.ini
new file mode 100644
index 000000000000..c5a7156e8032
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-table.html.ini
@@ -0,0 +1,8 @@
+[elementsFromPoint-table.html]
+  expected: ERROR
+  [elementsFromPoint for points between table cells]
+    expected: FAIL
+
+  [elementsFromPoint for points inside table cells]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint.html.ini
new file mode 100644
index 000000000000..348f38ce59bc
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint.html.ini
@@ -0,0 +1,10 @@
+[elementsFromPoint.html]
+  [SVG element at x,y]
+    expected: FAIL
+
+  [no hit target at x,y]
+    expected: FAIL
+
+  [transformed element at x,y]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getBoundingClientRect-empty-inline.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getBoundingClientRect-empty-inline.html.ini
new file mode 100644
index 000000000000..780dc427ac77
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getBoundingClientRect-empty-inline.html.ini
@@ -0,0 +1,2 @@
+[getBoundingClientRect-empty-inline.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-ltr.html.ini
new file mode 100644
index 000000000000..d459985142ac
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-ltr.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-htb-ltr.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-rtl.html.ini
new file mode 100644
index 000000000000..dbac8c6d7ffa
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-htb-rtl.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-htb-rtl.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-ltr.html.ini
new file mode 100644
index 000000000000..68fddca93a37
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-ltr.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-vlr-ltr.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-rtl.html.ini
new file mode 100644
index 000000000000..b4c786f3329b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vlr-rtl.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-vlr-rtl.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-ltr.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-ltr.html.ini
new file mode 100644
index 000000000000..2142b35138d1
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-ltr.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-vrl-ltr.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-rtl.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-rtl.html.ini
new file mode 100644
index 000000000000..740b9ec9c315
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-br-vrl-rtl.html.ini
@@ -0,0 +1,4 @@
+[getClientRects-br-vrl-rtl.html]
+  [Position of the BR element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline-atomic-child.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline-atomic-child.html.ini
new file mode 100644
index 000000000000..9edff2020cfe
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline-atomic-child.html.ini
@@ -0,0 +1,10 @@
+[getClientRects-inline-atomic-child.html]
+  [getClientRects-inline-atomic-child]
+    expected: FAIL
+
+  [getClientRects-inline-atomic-child 2]
+    expected: FAIL
+
+  [getClientRects-inline-atomic-child 1]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline.html.ini
new file mode 100644
index 000000000000..68e4f8940237
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/getClientRects-inline.html.ini
@@ -0,0 +1,2 @@
+[getClientRects-inline.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/idlharness.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/idlharness.html.ini
new file mode 100644
index 000000000000..ace2c6931077
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/idlharness.html.ini
@@ -0,0 +1,289 @@
+[idlharness.html]
+  [Stringification of document.caretPositionFromPoint(5, 5)]
+    expected: FAIL
+
+  [Partial interface MouseEvent: member names are unique]
+    expected: FAIL
+
+  [CaretPosition interface: document.caretPositionFromPoint(5, 5) must inherit property "offsetNode" with the proper type]
+    expected: FAIL
+
+  [Text interface: operation getBoxQuads(BoxQuadOptions)]
+    expected: FAIL
+
+  [CaretPosition interface: attribute offsetNode]
+    expected: FAIL
+
+  [Document interface: document must inherit property "convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: document.createElement("div") must inherit property "convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling scrollIntoView([object Object\],[object Object\]) on document.createElement("div") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CaretPosition interface: existence and properties of interface object]
+    expected: FAIL
+
+  [Element interface: document.createElement("div") must inherit property "getBoxQuads(BoxQuadOptions)" with the proper type]
+    expected: FAIL
+
+  [Range interface: new Range() must inherit property "getBoundingClientRect()" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions) on document.createElementNS("x", "y") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: document must inherit property "caretPositionFromPoint(double, double)" with the proper type]
+    expected: FAIL
+
+  [Element interface: document.createElement("img") must inherit property "convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Window interface: window must inherit property "screenTop" with the proper type]
+    expected: FAIL
+
+  [Document interface: attribute scrollingElement]
+    expected: FAIL
+
+  [CSSPseudoElement interface: operation convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [HTMLImageElement interface: attribute x]
+    expected: FAIL
+
+  [HTMLImageElement interface: attribute y]
+    expected: FAIL
+
+  [CaretPosition interface object length]
+    expected: FAIL
+
+  [Element interface: calling scrollIntoView([object Object\],[object Object\]) on document.createElementNS("x", "y") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CaretPosition interface: attribute offset]
+    expected: FAIL
+
+  [Range interface: operation getBoundingClientRect()]
+    expected: FAIL
+
+  [Partial dictionary MouseEventInit: member names are unique]
+    expected: FAIL
+
+  [HTMLImageElement interface: document.createElement("img") must inherit property "x" with the proper type]
+    expected: FAIL
+
+  [Document interface: calling convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions) on document with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: calling convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions) on document.createElement("img") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: operation getBoxQuads(BoxQuadOptions)]
+    expected: FAIL
+
+  [Element interface: document.createElement("img") must inherit property "getBoxQuads(BoxQuadOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling getBoxQuads(BoxQuadOptions) on document.createElementNS("x", "y") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Text interface: operation convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Text interface: operation convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Document interface: calling caretPositionFromPoint(double, double) on document with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CaretPosition interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [Range interface: operation getClientRects()]
+    expected: FAIL
+
+  [Element interface: document.createElementNS("x", "y") must inherit property "convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [CaretPosition interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [Element interface: operation convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: calling getBoxQuads(BoxQuadOptions) on document.createElement("img") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: document must inherit property "convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Document interface: document must inherit property "scrollingElement" with the proper type]
+    expected: FAIL
+
+  [CaretPosition interface object name]
+    expected: FAIL
+
+  [Window interface: attribute screenTop]
+    expected: FAIL
+
+  [Element interface: document.createElementNS("x", "y") must inherit property "convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Text interface: operation convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: calling convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions) on document.createElementNS("x", "y") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: document must inherit property "convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions) on document.createElement("div") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: calling getBoxQuads(BoxQuadOptions) on document with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: calling convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions) on document with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("x") must inherit property "getBoxQuads(BoxQuadOptions)" with the proper type]
+    expected: FAIL
+
+  [Text interface: calling convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions) on document.createTextNode("x") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CaretPosition interface: document.caretPositionFromPoint(5, 5) must inherit property "offset" with the proper type]
+    expected: FAIL
+
+  [CaretPosition interface: operation getClientRect()]
+    expected: FAIL
+
+  [CSSPseudoElement interface: operation convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [HTMLImageElement interface: document.createElement("img") must inherit property "y" with the proper type]
+    expected: FAIL
+
+  [Element interface: operation scrollIntoView([object Object\],[object Object\])]
+    expected: FAIL
+
+  [Element interface: document.createElement("img") must inherit property "convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [CSSPseudoElement interface: operation getBoxQuads(BoxQuadOptions)]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("x") must inherit property "convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling scrollIntoView([object Object\],[object Object\]) on document.createElement("img") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: document.createElementNS("x", "y") must inherit property "scrollIntoView([object Object\],[object Object\])" with the proper type]
+    expected: FAIL
+
+  [Document interface: document must inherit property "getBoxQuads(BoxQuadOptions)" with the proper type]
+    expected: FAIL
+
+  [Document interface: operation convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: calling getBoxQuads(BoxQuadOptions) on document.createElement("div") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Window interface: attribute screenLeft]
+    expected: FAIL
+
+  [Element interface: document.createElement("div") must inherit property "convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Document interface: operation convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: document.createElementNS("x", "y") must inherit property "getBoxQuads(BoxQuadOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: operation getBoxQuads(BoxQuadOptions)]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("x") must inherit property "convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [CaretPosition interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [CSSPseudoElement interface: operation convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: calling convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions) on document.createElement("img") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: document.createElement("img") must inherit property "scrollIntoView([object Object\],[object Object\])" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions) on document.createElement("img") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: operation convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Text interface: calling convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions) on document.createTextNode("x") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: calling convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions) on document with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: operation convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: calling convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions) on document.createElement("div") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Document interface: operation caretPositionFromPoint(double, double)]
+    expected: FAIL
+
+  [Element interface: calling convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions) on document.createElementNS("x", "y") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Text interface: calling convertRectFromNode(DOMRectReadOnly, GeometryNode, ConvertCoordinateOptions) on document.createTextNode("x") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Element interface: document.createElementNS("x", "y") must inherit property "convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Text interface: document.createTextNode("x") must inherit property "convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: calling convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions) on document.createElement("div") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Text interface: calling getBoxQuads(BoxQuadOptions) on document.createTextNode("x") with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [CaretPosition interface: document.caretPositionFromPoint(5, 5) must inherit property "getClientRect()" with the proper type]
+    expected: FAIL
+
+  [Element interface: document.createElement("div") must inherit property "convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Element interface: operation convertQuadFromNode(DOMQuadInit, GeometryNode, ConvertCoordinateOptions)]
+    expected: FAIL
+
+  [Element interface: document.createElement("img") must inherit property "convertPointFromNode(DOMPointInit, GeometryNode, ConvertCoordinateOptions)" with the proper type]
+    expected: FAIL
+
+  [Range interface: new Range() must inherit property "getClientRects()" with the proper type]
+    expected: FAIL
+
+  [Window interface: window must inherit property "screenLeft" with the proper type]
+    expected: FAIL
+
+  [CaretPosition must be primary interface of document.caretPositionFromPoint(5, 5)]
+    expected: FAIL
+
+  [Element interface: document.createElement("div") must inherit property "scrollIntoView([object Object\],[object Object\])" with the proper type]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/inheritance.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/inheritance.html.ini
new file mode 100644
index 000000000000..d7fcc9c1eb9f
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/inheritance.html.ini
@@ -0,0 +1,7 @@
+[inheritance.html]
+  [Property scroll-behavior has initial value auto]
+    expected: FAIL
+
+  [Property scroll-behavior does not inherit]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/long_scroll_composited.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/long_scroll_composited.html.ini
new file mode 100644
index 000000000000..78492fe90518
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/long_scroll_composited.html.ini
@@ -0,0 +1,2 @@
+[long_scroll_composited.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia.html.ini
new file mode 100644
index 000000000000..45ddf98665c3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia.html.ini
@@ -0,0 +1,10 @@
+[matchMedia.html]
+  [iframe.matchMedia("(min-aspect-ratio: 1/1)") matches]
+    expected: FAIL
+
+  [iframe.matchMedia("(width: 200px)") matches]
+    expected: FAIL
+
+  [iframe.matchMedia("(min-width: 150px)") matches]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/negativeMargins.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/negativeMargins.html.ini
new file mode 100644
index 000000000000..febf21daa0ee
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/negativeMargins.html.ini
@@ -0,0 +1,7 @@
+[negativeMargins.html]
+  [cssom-view - elementFromPoint and elementsFromPoint dealing with negative margins]
+    expected: FAIL
+
+  [cssom-view - elementFromPoint and elementsFromPoint dealing with negative margins 1]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/offsetParent_element_test.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetParent_element_test.html.ini
new file mode 100644
index 000000000000..e958548c7f11
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetParent_element_test.html.ini
@@ -0,0 +1,4 @@
+[offsetParent_element_test.html]
+  [Valid the algorithm rule of offsetParent check step 2]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini
new file mode 100644
index 000000000000..3bd0a5266ddc
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini
@@ -0,0 +1,85 @@
+[offsetTopLeft-border-box.html]
+  [container: 11]
+    expected: FAIL
+
+  [container: 10]
+    expected: FAIL
+
+  [container: 13]
+    expected: FAIL
+
+  [container: 12]
+    expected: FAIL
+
+  [container: 15]
+    expected: FAIL
+
+  [container: 14]
+    expected: FAIL
+
+  [container: 17]
+    expected: FAIL
+
+  [container: 16]
+    expected: FAIL
+
+  [container: 19]
+    expected: FAIL
+
+  [container: 18]
+    expected: FAIL
+
+  [container: 9]
+    expected: FAIL
+
+  [container: 8]
+    expected: FAIL
+
+  [container: 1]
+    expected: FAIL
+
+  [container: 0]
+    expected: FAIL
+
+  [container: 3]
+    expected: FAIL
+
+  [container: 2]
+    expected: FAIL
+
+  [container: 5]
+    expected: FAIL
+
+  [container: 4]
+    expected: FAIL
+
+  [container: 7]
+    expected: FAIL
+
+  [container: 6]
+    expected: FAIL
+
+  [container: 20]
+    expected: FAIL
+
+  [container: 21]
+    expected: FAIL
+
+  [container: 22]
+    expected: FAIL
+
+  [container: 23]
+    expected: FAIL
+
+  [container: 24]
+    expected: FAIL
+
+  [container: 25]
+    expected: FAIL
+
+  [container: 26]
+    expected: FAIL
+
+  [container: 27]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-inline.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-inline.html.ini
new file mode 100644
index 000000000000..285fcace1b1b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-inline.html.ini
@@ -0,0 +1,2 @@
+[offsetTopLeft-inline.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeftInScrollableParent.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeftInScrollableParent.html.ini
new file mode 100644
index 000000000000..b8429ccf8ba0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeftInScrollableParent.html.ini
@@ -0,0 +1,25 @@
+[offsetTopLeftInScrollableParent.html]
+  [Margins on child and parent, border on child]
+    expected: FAIL
+
+  [Margins on child and parent]
+    expected: FAIL
+
+  [Basic functionality]
+    expected: FAIL
+
+  [Margins on child and parent, border on child and parent, padding on child]
+    expected: FAIL
+
+  [Margins on child]
+    expected: FAIL
+
+  [Margins on child and parent, border on child and parent, padding on child and parent]
+    expected: FAIL
+
+  [Basic functionality in scrolled parent]
+    expected: FAIL
+
+  [Margins on child and parent, border on child and parent]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/outer-svg.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/outer-svg.html.ini
new file mode 100644
index 000000000000..2ff644b8ca7b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/outer-svg.html.ini
@@ -0,0 +1,7 @@
+[outer-svg.html]
+  [scrollWidth, scrollHeight, scrollTop and scrollLeft work on outer svg element]
+    expected: FAIL
+
+  [clientWidth, clientHeight, clientTop and clientLeft work on outer svg element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-computed.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-computed.html.ini
new file mode 100644
index 000000000000..bd8fc18d6ffb
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-computed.html.ini
@@ -0,0 +1,7 @@
+[scroll-behavior-computed.html]
+  [Property scroll-behavior value 'smooth']
+    expected: FAIL
+
+  [Property scroll-behavior value 'auto']
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-valid.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-valid.html.ini
new file mode 100644
index 000000000000..a5ec18536c7a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/parsing/scroll-behavior-valid.html.ini
@@ -0,0 +1,7 @@
+[scroll-behavior-valid.html]
+  [e.style['scroll-behavior'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-behavior'\] = "smooth" should set the property value]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/position-sticky-root-scroller-with-scroll-behavior.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/position-sticky-root-scroller-with-scroll-behavior.html.ini
new file mode 100644
index 000000000000..ee2e58e0f895
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/position-sticky-root-scroller-with-scroll-behavior.html.ini
@@ -0,0 +1,4 @@
+[position-sticky-root-scroller-with-scroll-behavior.html]
+  [Sticky elements work with the root (document) scroller]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/screenLeftTop.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/screenLeftTop.html.ini
new file mode 100644
index 000000000000..85c52d313027
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/screenLeftTop.html.ini
@@ -0,0 +1,7 @@
+[screenLeftTop.html]
+  [screenTop]
+    expected: FAIL
+
+  [screenLeft]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-default-css.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-default-css.html.ini
new file mode 100644
index 000000000000..5e1023ecdc19
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-default-css.html.ini
@@ -0,0 +1,2 @@
+[scroll-behavior-default-css.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-element.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-element.html.ini
new file mode 100644
index 000000000000..d14ec6993d23
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-element.html.ini
@@ -0,0 +1,2 @@
+[scroll-behavior-element.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-root.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-root.html.ini
new file mode 100644
index 000000000000..3b5eabacdb38
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-root.html.ini
@@ -0,0 +1,4 @@
+[scroll-behavior-main-frame-root.html]
+  [Page loaded]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-window.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-window.html.ini
new file mode 100644
index 000000000000..eff693d13c72
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-main-frame-window.html.ini
@@ -0,0 +1,4 @@
+[scroll-behavior-main-frame-window.html]
+  [Page loaded]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-scrollintoview-nested.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-scrollintoview-nested.html.ini
new file mode 100644
index 000000000000..0150811ae727
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-scrollintoview-nested.html.ini
@@ -0,0 +1,4 @@
+[scroll-behavior-scrollintoview-nested.html]
+  [scrollIntoView with nested elements with different scroll-behavior]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth-positions.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth-positions.html.ini
new file mode 100644
index 000000000000..7b7ea874fdee
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth-positions.html.ini
@@ -0,0 +1,67 @@
+[scroll-behavior-smooth-positions.html]
+  [Scroll positions when performing smooth scrolling from (0, 500) to (500, 250) using scrollIntoView() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 500) to (500, 250) using scrollIntoView() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 500) to (500, 250) using scrollBy() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 500) to (500, 250) using scroll() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 500) to (500, 250) using scroll() ]
+    expected: FAIL
+
+  [Scroll positions when aborting a smooth scrolling with an instant scrolling]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 0) to (500, 250) using scrollIntoView() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from 500 to 250 by setting scrollTop ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 0) to (500, 250) using scrollIntoView() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 500) to (500, 250) using scrollBy() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 0) to (500, 250) using scrollTo() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 0) to (500, 250) using scroll() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 0) to (500, 250) using scroll() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 0) to (500, 250) using scrollBy() ]
+    expected: FAIL
+
+  [Scroll positions when aborting a smooth scrolling with another smooth scrolling]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 500) to (500, 250) using scrollTo() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from 1000 to 500 by setting scrollLeft ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from 0 to 500 by setting scrollLeft ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (1000, 0) to (500, 250) using scrollTo() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 500) to (500, 250) using scrollTo() ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from 0 to 250 by setting scrollTop ]
+    expected: FAIL
+
+  [Scroll positions when performing smooth scrolling from (0, 0) to (500, 250) using scrollBy() ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth.html.ini
new file mode 100644
index 000000000000..48839ce2b8c3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-smooth.html.ini
@@ -0,0 +1,11 @@
+[scroll-behavior-smooth.html]
+  expected: ERROR
+  [Smooth scrolling while doing history navigation.]
+    expected: FAIL
+
+  [Instant scrolling while doing history navigation.]
+    expected: FAIL
+
+  [scroll-behavior: smooth on DIV element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-root.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-root.html.ini
new file mode 100644
index 000000000000..3cc6a9cebd6e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-root.html.ini
@@ -0,0 +1,5 @@
+[scroll-behavior-subframe-root.html]
+  expected: ERROR
+  [iframe loaded]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-window.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-window.html.ini
new file mode 100644
index 000000000000..9041673d25e3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scroll-behavior-subframe-window.html.ini
@@ -0,0 +1,5 @@
+[scroll-behavior-subframe-window.html]
+  expected: ERROR
+  [iframe loaded]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-partially-visible.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-partially-visible.html.ini
new file mode 100644
index 000000000000..c18aa2dc3e9e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-partially-visible.html.ini
@@ -0,0 +1,4 @@
+[scrollIntoView-horizontal-partially-visible.html]
+  [scrollIntoView scrolls partially-visible child in both axes]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode-and-rtl-direction.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode-and-rtl-direction.html.ini
new file mode 100644
index 000000000000..45087b59332c
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode-and-rtl-direction.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-horizontal-tb-writing-mode-and-rtl-direction.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode.html.ini
new file mode 100644
index 000000000000..33b162d7d1a3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-horizontal-tb-writing-mode.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-horizontal-tb-writing-mode.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollMargin.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollMargin.html.ini
new file mode 100644
index 000000000000..1a7e17115e04
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollMargin.html.ini
@@ -0,0 +1,10 @@
+[scrollIntoView-scrollMargin.html]
+  [scrollIntoView({block: "center", inline: "center"})]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"})]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollPadding.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollPadding.html.ini
new file mode 100644
index 000000000000..e545822bed1c
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-scrollPadding.html.ini
@@ -0,0 +1,10 @@
+[scrollIntoView-scrollPadding.html]
+  [scrollIntoView({block: "center", inline: "center"})]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"})]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-shadow.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-shadow.html.ini
new file mode 100644
index 000000000000..225f2e8d3377
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-shadow.html.ini
@@ -0,0 +1,4 @@
+[scrollIntoView-shadow.html]
+  [scrollIntoView should behave correctly if applies to shadow dom elements]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode-and-rtl-direction.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode-and-rtl-direction.html.ini
new file mode 100644
index 000000000000..acbd546ec280
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode-and-rtl-direction.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-sideways-lr-writing-mode-and-rtl-direction.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html.ini
new file mode 100644
index 000000000000..1d4b23856dee
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-sideways-lr-writing-mode.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html.ini
new file mode 100644
index 000000000000..3e57fd25f146
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-sideways-rl-writing-mode-and-rtl-direction.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode.html.ini
new file mode 100644
index 000000000000..7d80c9e423af
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-sideways-rl-writing-mode.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-sideways-rl-writing-mode.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-smooth.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-smooth.html.ini
new file mode 100644
index 000000000000..e2165a21880e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-smooth.html.ini
@@ -0,0 +1,13 @@
+[scrollIntoView-smooth.html]
+  [Smooth scrollIntoView should scroll the element to the 'center' position]
+    expected: FAIL
+
+  [Smooth scrollIntoView should scroll the element to the 'end' position]
+    expected: FAIL
+
+  [Smooth scrollIntoView should scroll the element to the 'nearest' position]
+    expected: FAIL
+
+  [Smooth scrollIntoView should scroll the element to the 'start' position]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-svg-shape.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-svg-shape.html.ini
new file mode 100644
index 000000000000..d4a6f6b40d1a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-svg-shape.html.ini
@@ -0,0 +1,10 @@
+[scrollIntoView-svg-shape.html]
+  [scrollIntoView on an SVG shape element, rotated]
+    expected: FAIL
+
+  [scrollIntoView on an SVG shape element, geometry]
+    expected: FAIL
+
+  [scrollIntoView on an SVG shape element, translated]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode-and-rtl-direction.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode-and-rtl-direction.html.ini
new file mode 100644
index 000000000000..2144f1801a64
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode-and-rtl-direction.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-vertical-lr-writing-mode-and-rtl-direction.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode.html.ini
new file mode 100644
index 000000000000..3a8911a2ff1d
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-lr-writing-mode.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-vertical-lr-writing-mode.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html.ini
new file mode 100644
index 000000000000..b0b21358b72a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html.ini
@@ -0,0 +1,28 @@
+[scrollIntoView-vertical-rl-writing-mode.html]
+  [scrollIntoView({"block":"center","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"start"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"center"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"end","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"start","inline":"end"})]
+    expected: FAIL
+
+  [scrollIntoView({"block":"center","inline":"end"})]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini
new file mode 100644
index 000000000000..57e34f458ccb
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini
@@ -0,0 +1,4 @@
+[scrollLeft-of-scroller-with-wider-scrollbar.html]
+  [Test the maxmium value of scrollLeft]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeight.xht.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeight.xht.ini
new file mode 100644
index 000000000000..ca8c98c06101
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeight.xht.ini
@@ -0,0 +1,34 @@
+[scrollWidthHeight.xht]
+  [elemSimple.clientWidth is the width of the padding edge]
+    expected: FAIL
+
+  [elemSimple.scrollWidth is its clientWidth]
+    expected: FAIL
+
+  [elemNestedOverflow.scrollWidth is the width of its scrolled contents (ignoring padding, since we overflowed)]
+    expected: FAIL
+
+  [elemNestedOverflow.clientWidth is the height of the padding edge]
+    expected: FAIL
+
+  [elemOverflow.clientWidth is the width of the padding edge]
+    expected: FAIL
+
+  [elemSimple.clientHeight is the height of the padding edge]
+    expected: FAIL
+
+  [elemOverflow.clientHeight is the height of the padding edge]
+    expected: FAIL
+
+  [elemNestedOverflow.clientHeight is the height of the padding edge]
+    expected: FAIL
+
+  [elemSimple.scrollHeight is its clientHeight]
+    expected: FAIL
+
+  [elemNestedOverflow.scrollHeight is the height of its scrolled contents (ignoring padding, since we overflowed)]
+    expected: FAIL
+
+  [elemOverflow.scrollHeight is the width of its scrolled contents (ignoring padding, since we overflowed)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht.ini
new file mode 100644
index 000000000000..676434c78c02
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht.ini
@@ -0,0 +1,20 @@
+[scrollWidthHeightWhenNotScrollable.xht]
+  expected: ERROR
+  [elemSimple.clientWidth is the width of the padding edge]
+    expected: FAIL
+
+  [elemSimple.scrollWidth is its clientWidth]
+    expected: FAIL
+
+  [elemSimple.clientHeight is the height of the padding edge]
+    expected: FAIL
+
+  [elemOverflow.clientHeight is the height of the padding edge]
+    expected: FAIL
+
+  [elemSimple.scrollHeight is its clientHeight]
+    expected: FAIL
+
+  [elemOverflow.scrollHeight is the height of its scrolled contents (ignoring padding, since we overflowed)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrolling-quirks-vs-nonquirks.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrolling-quirks-vs-nonquirks.html.ini
new file mode 100644
index 000000000000..c366ff10d494
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrolling-quirks-vs-nonquirks.html.ini
@@ -0,0 +1,67 @@
+[scrolling-quirks-vs-nonquirks.html]
+  [clientWidth/clientHeight on the root element in quirks mode]
+    expected: FAIL
+
+  [scrollLeft/scrollTop on the HTML body element in quirks mode]
+    expected: FAIL
+
+  [scrollBy() on the HTML body element in quirks mode]
+    expected: FAIL
+
+  [scrollingElement in non-quirks mode]
+    expected: FAIL
+
+  [clientWidth/clientHeight on the HTML body element in quirks mode]
+    expected: FAIL
+
+  [scrollBy() on the root element in non-quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight of the content in non-quirks mode]
+    expected: FAIL
+
+  [scrollLeft/scrollRight of the content in quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight of the content in quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight on the root element in non-quirks mode]
+    expected: FAIL
+
+  [clientWidth/clientHeight of the content in non-quirks mode]
+    expected: FAIL
+
+  [scroll() on the HTML body element in quirks mode]
+    expected: FAIL
+
+  [clientWidth/clientHeight of the content in quirks mode]
+    expected: FAIL
+
+  [scrollingElement in quirks mode]
+    expected: FAIL
+
+  [clientWidth/clientHeight on the HTML body element in non-quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight on the HTML body element in non-quirks mode]
+    expected: FAIL
+
+  [clientWidth/clientHeight on the root element in non-quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight on the root element in quirks mode]
+    expected: FAIL
+
+  [scrollLeft/scrollRight of the content in non-quirks mode]
+    expected: FAIL
+
+  [scroll() on the root element in non-quirks mode]
+    expected: FAIL
+
+  [scrollLeft/scrollTop on the root element in non-quirks mode]
+    expected: FAIL
+
+  [scrollWidth/scrollHeight on the HTML body element in quirks mode]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollingElement.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollingElement.html.ini
new file mode 100644
index 000000000000..59a11df4bc7b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollingElement.html.ini
@@ -0,0 +1,7 @@
+[scrollingElement.html]
+  [scrollingElement in quirks mode]
+    expected: FAIL
+
+  [scrollingElement in no-quirks mode]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/scrollintoview.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollintoview.html.ini
new file mode 100644
index 000000000000..a74833286251
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/scrollintoview.html.ini
@@ -0,0 +1,121 @@
+[scrollintoview.html]
+  [scrollIntoView(null) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"}) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "nearest", inline: "nearest"}) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView(false) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"}) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView() starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView(undefined) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView(false) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView({}) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"}) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView() starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "nearest", inline: "nearest"}) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView(undefined) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView(true) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"}) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "center", inline: "center"}) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"}) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView(true) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "center", inline: "center"}) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView(true) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "nearest", inline: "nearest"}) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView(false) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView({}) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "center", inline: "center"}) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView(false) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView() starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView(undefined) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({}) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "end", inline: "end"}) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView(null) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView(null) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"}) starting at right,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "center", inline: "center"}) starting at left,top]
+    expected: FAIL
+
+  [scrollIntoView({block: "nearest", inline: "nearest"}) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView(null) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView({block: "start", inline: "start"}) starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView(true) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView(undefined) starting at right,top]
+    expected: FAIL
+
+  [scrollIntoView() starting at left,bottom]
+    expected: FAIL
+
+  [scrollIntoView({}) starting at left,bottom]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/table-client-props.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/table-client-props.html.ini
new file mode 100644
index 000000000000..bebd79238782
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/table-client-props.html.ini
@@ -0,0 +1,37 @@
+[table-client-props.html]
+  [Caption with margin]
+    expected: FAIL
+
+  [Basic table]
+    expected: FAIL
+
+  [Table with padding and content-box sizing]
+    expected: FAIL
+
+  [Table with separated border]
+    expected: FAIL
+
+  [Bottom caption]
+    expected: FAIL
+
+  [Table with padding]
+    expected: FAIL
+
+  [Basic caption]
+    expected: FAIL
+
+  [Table with collapsed border]
+    expected: FAIL
+
+  [Table and wider caption]
+    expected: FAIL
+
+  [Table and narrower caption]
+    expected: FAIL
+
+  [Caption with padding]
+    expected: FAIL
+
+  [Caption with border]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/table-offset-props.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/table-offset-props.html.ini
new file mode 100644
index 000000000000..2bba3a9ac32e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/table-offset-props.html.ini
@@ -0,0 +1,37 @@
+[table-offset-props.html]
+  [Caption with margin]
+    expected: FAIL
+
+  [Basic table]
+    expected: FAIL
+
+  [Table with padding and content-box sizing]
+    expected: FAIL
+
+  [Table with separated border]
+    expected: FAIL
+
+  [Bottom caption]
+    expected: FAIL
+
+  [Table with padding]
+    expected: FAIL
+
+  [Basic caption]
+    expected: FAIL
+
+  [Table with collapsed border]
+    expected: FAIL
+
+  [Table and wider caption]
+    expected: FAIL
+
+  [Table and narrower caption]
+    expected: FAIL
+
+  [Caption with padding]
+    expected: FAIL
+
+  [Caption with border]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/table-scroll-props.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/table-scroll-props.html.ini
new file mode 100644
index 000000000000..61c3a4a9126d
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/table-scroll-props.html.ini
@@ -0,0 +1,37 @@
+[table-scroll-props.html]
+  [Caption with margin]
+    expected: FAIL
+
+  [Basic table]
+    expected: FAIL
+
+  [Table with padding and content-box sizing]
+    expected: FAIL
+
+  [Table with separated border]
+    expected: FAIL
+
+  [Bottom caption]
+    expected: FAIL
+
+  [Table with padding]
+    expected: FAIL
+
+  [Basic caption]
+    expected: FAIL
+
+  [Table with collapsed border]
+    expected: FAIL
+
+  [Table and wider caption]
+    expected: FAIL
+
+  [Table and narrower caption]
+    expected: FAIL
+
+  [Caption with padding]
+    expected: FAIL
+
+  [Caption with border]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/ttwf-js-cssomview-getclientrects-length.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/ttwf-js-cssomview-getclientrects-length.html.ini
new file mode 100644
index 000000000000..24c140ac6e9d
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/ttwf-js-cssomview-getclientrects-length.html.ini
@@ -0,0 +1,10 @@
+[ttwf-js-cssomview-getclientrects-length.html]
+  [assert_length_of_getClientRects_from_Link]
+    expected: FAIL
+
+  [assert_length_of_getClientRects_from_Parent]
+    expected: FAIL
+
+  [assert_length_of_getClientRects_from_Button]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/blob_url_upload.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/blob_url_upload.html.ini
new file mode 100644
index 000000000000..ab122a2101ca
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/blob_url_upload.html.ini
@@ -0,0 +1,2 @@
+[blob_url_upload.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-select.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-select.html.ini
new file mode 100644
index 000000000000..8084a2b31616
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-select.html.ini
@@ -0,0 +1,4 @@
+[file-select.html]
+  [Select a file]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-upload.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-upload.html.ini
new file mode 100644
index 000000000000..02eea6675527
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/FileAPI/file-upload.html.ini
@@ -0,0 +1,4 @@
+[file-upload.html]
+  [form submission of uploaded file]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/activation.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/activation.html.ini
new file mode 100644
index 000000000000..d887d8342d94
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/activation.html.ini
@@ -0,0 +1,16 @@
+[activation.html]
+  [Activate input]
+    expected: FAIL
+
+  [Activate button]
+    expected: FAIL
+
+  [Activation invalid for span]
+    expected: FAIL
+
+  [Activate label]
+    expected: FAIL
+
+  [Activate anchor]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/adopted_node_is_same_origin_domain.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/adopted_node_is_same_origin_domain.html.ini
new file mode 100644
index 000000000000..177fd50d0ee4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/adopted_node_is_same_origin_domain.html.ini
@@ -0,0 +1,4 @@
+[adopted_node_is_same_origin_domain.html]
+  [Adopting a node should make it same-origin-domain.]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/animation-removed-node.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/animation-removed-node.html.ini
new file mode 100644
index 000000000000..1b6cf2262674
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/animation-removed-node.html.ini
@@ -0,0 +1,4 @@
+[animation-removed-node.html]
+  [Animations are no longer active when a node can't be animated.]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/binding_keyword.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/binding_keyword.html.ini
new file mode 100644
index 000000000000..561c9fd54fee
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/binding_keyword.html.ini
@@ -0,0 +1,4 @@
+[binding_keyword.html]
+  [Conversion of dictionary elements with rust keywords, and null non-required nullable properties works]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/calc.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/calc.html.ini
new file mode 100644
index 000000000000..c565a10cee2b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/calc.html.ini
@@ -0,0 +1,121 @@
+[calc.html]
+  [calc for column-gap]
+    expected: FAIL
+
+  [calc for word-spacing]
+    expected: FAIL
+
+  [calc for z-index]
+    expected: FAIL
+
+  [calc(5 * (20px / 2 + 7 * (3em + 12px/4 + (8 - 2) * 2rem)))]
+    expected: FAIL
+
+  [calc()]
+    expected: FAIL
+
+  [calc for column-count]
+    expected: FAIL
+
+  [calc for outline-width]
+    expected: FAIL
+
+  [calc(10px + 10em)]
+    expected: FAIL
+
+  [calc(10px + 10px)]
+    expected: FAIL
+
+  [calc for border-top-width]
+    expected: FAIL
+
+  [calc(5px+5px)]
+    expected: FAIL
+
+  [calc for transition-duration]
+    expected: FAIL
+
+  [calc((2 - 1) * 10px)]
+    expected: FAIL
+
+  [calc for border-bottom-width]
+    expected: FAIL
+
+  [calc for text-indent]
+    expected: FAIL
+
+  [calc(10px - 5px)]
+    expected: FAIL
+
+  [calc for perspective]
+    expected: FAIL
+
+  [calc(((3 - 1) * (8 + 4)) * 10px)]
+    expected: FAIL
+
+  [calc for counter-increment]
+    expected: FAIL
+
+  [calc for transform-origin]
+    expected: FAIL
+
+  [calc for order]
+    expected: FAIL
+
+  [calc for opacity]
+    expected: FAIL
+
+  [calc(10px*2)]
+    expected: FAIL
+
+  [calc for transition-delay]
+    expected: FAIL
+
+  [calc for letter-spacing]
+    expected: FAIL
+
+  [calc for vertical-align]
+    expected: FAIL
+
+  [calc(20px/2)]
+    expected: FAIL
+
+  [calc for border-spacing]
+    expected: FAIL
+
+  [calc for perspective-origin]
+    expected: FAIL
+
+  [calc(10px / 2)]
+    expected: FAIL
+
+  [calc(10px)]
+    expected: FAIL
+
+  [calc(2 * 10px)]
+    expected: FAIL
+
+  [calc for border-right-width]
+    expected: FAIL
+
+  [calc for column-width]
+    expected: FAIL
+
+  [calc(96px + 72pt + 6pc + 1in + 2.54cm + 25.4mm)]
+    expected: FAIL
+
+  [calc for border-left-width]
+    expected: FAIL
+
+  [calc for outline-offset]
+    expected: FAIL
+
+  [calc(0ch + 0px + 0pt + 0pc + 0in + 0cm + 0mm + 0rem + 0em + 0ex + 0% + 0vw + 0vh + 0vmin + 0vmax)]
+    expected: FAIL
+
+  [calc(10px-10px)]
+    expected: FAIL
+
+  [calc(10px + 10em - 10px)]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/canvas.initial.reset.2dstate.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/canvas.initial.reset.2dstate.html.ini
new file mode 100644
index 000000000000..0c8863906d91
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/canvas.initial.reset.2dstate.html.ini
@@ -0,0 +1,5 @@
+[canvas.initial.reset.2dstate.html]
+  expected: ERROR
+  [Resetting the canvas state resets 2D state variables]
+    expected: NOTRUN
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/client-top-left-height-width.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/client-top-left-height-width.html.ini
new file mode 100644
index 000000000000..5e6a532d15ee
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/client-top-left-height-width.html.ini
@@ -0,0 +1,19 @@
+[client-top-left-height-width.html]
+  [Block without border and padding]
+    expected: FAIL
+
+  [Rotated block]
+    expected: FAIL
+
+  [Absolutely positioned block]
+    expected: FAIL
+
+  [Block without border]
+    expected: FAIL
+
+  [Block with border]
+    expected: FAIL
+
+  [Inline block]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/codegen_unions.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/codegen_unions.html.ini
new file mode 100644
index 000000000000..d848216a0fe0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/codegen_unions.html.ini
@@ -0,0 +1,4 @@
+[codegen_unions.html]
+  [(DOMString or object) conversion is performed correctly]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/custom_auto_rooter.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/custom_auto_rooter.html.ini
new file mode 100644
index 000000000000..624f909974c3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/custom_auto_rooter.html.ini
@@ -0,0 +1,4 @@
+[custom_auto_rooter.html]
+  [sequence<any> conversion did not lose any values]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/details_ui_closed.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/details_ui_closed.html.ini
new file mode 100644
index 000000000000..5a07787f3f99
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/details_ui_closed.html.ini
@@ -0,0 +1,2 @@
+[details_ui_closed.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_long.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_long.html.ini
new file mode 100644
index 000000000000..ad446dd28370
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_long.html.ini
@@ -0,0 +1,4 @@
+[document_characterSet_long.html]
+  [document_characterSet_long]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_short.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_short.html.ini
new file mode 100644
index 000000000000..382275bcb7e5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/document_characterSet_short.html.ini
@@ -0,0 +1,4 @@
+[document_characterSet_short.html]
+  [document_characterSet_short]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/element_getcomputedstyle.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/element_getcomputedstyle.html.ini
new file mode 100644
index 000000000000..76213c462627
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/element_getcomputedstyle.html.ini
@@ -0,0 +1,4 @@
+[element_getcomputedstyle.html]
+  [getComputedStyle should work on non-HTML elements]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/element_parentOffset.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/element_parentOffset.html.ini
new file mode 100644
index 000000000000..7c5f1ba51079
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/element_parentOffset.html.ini
@@ -0,0 +1,4 @@
+[element_parentOffset.html]
+  [element_parentOffset]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/empty_clientrect.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/empty_clientrect.html.ini
new file mode 100644
index 000000000000..8f7281833fb7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/empty_clientrect.html.ini
@@ -0,0 +1,4 @@
+[empty_clientrect.html]
+  [empty_clientrect]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/enabled_disabled_selectors.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/enabled_disabled_selectors.html.ini
new file mode 100644
index 000000000000..5031ff4181d1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/enabled_disabled_selectors.html.ini
@@ -0,0 +1,4 @@
+[enabled_disabled_selectors.html]
+  [menuitem initial state]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/fetch_cannot_overwhelm_system.window.js.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/fetch_cannot_overwhelm_system.window.js.ini
new file mode 100644
index 000000000000..8a90539b5cf9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/fetch_cannot_overwhelm_system.window.js.ini
@@ -0,0 +1,2 @@
+[fetch_cannot_overwhelm_system.window.html]
+  expected: CRASH
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/fullscreen/reftests/fullscreen-hides-others.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/fullscreen/reftests/fullscreen-hides-others.html.ini
new file mode 100644
index 000000000000..406eee396b26
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/fullscreen/reftests/fullscreen-hides-others.html.ini
@@ -0,0 +1,2 @@
+[fullscreen-hides-others.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/getBoundingClientRect.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/getBoundingClientRect.html.ini
new file mode 100644
index 000000000000..543f61cd5ae4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/getBoundingClientRect.html.ini
@@ -0,0 +1,7 @@
+[getBoundingClientRect.html]
+  [getBoundingClientRect 1]
+    expected: FAIL
+
+  [getBoundingClientRect]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/getComputedStyle.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/getComputedStyle.html.ini
new file mode 100644
index 000000000000..b83a0d8b803d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/getComputedStyle.html.ini
@@ -0,0 +1,10 @@
+[getComputedStyle.html]
+  [Element's resolved values]
+    expected: FAIL
+
+  [Existing :before pseudoelement]
+    expected: FAIL
+
+  [getComputedStyle work for elements not in a document]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/getPropertyPriority.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/getPropertyPriority.html.ini
new file mode 100644
index 000000000000..f55fddc02344
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/getPropertyPriority.html.ini
@@ -0,0 +1,4 @@
+[getPropertyPriority.html]
+  [getPropertyPriority]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.html.ini
new file mode 100644
index 000000000000..e367082db642
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.html.ini
@@ -0,0 +1,7 @@
+[entry.html]
+  [Incumbent global]
+    expected: FAIL
+
+  [Entry global]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.worker.js.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.worker.js.ini
new file mode 100644
index 000000000000..f4ad971fbde6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/globals/entry.worker.js.ini
@@ -0,0 +1,4 @@
+[entry.worker.html]
+  [entry]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/hit_test_pos_fixed.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/hit_test_pos_fixed.html.ini
new file mode 100644
index 000000000000..9f5b10bd6af8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/hit_test_pos_fixed.html.ini
@@ -0,0 +1,4 @@
+[hit_test_pos_fixed.html]
+  [Hit-test of an element with position: fixed should discard scroll offset]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/htmllabel-activation.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/htmllabel-activation.html.ini
new file mode 100644
index 000000000000..a5186543e80b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/htmllabel-activation.html.ini
@@ -0,0 +1,4 @@
+[htmllabel-activation.html]
+  [If label's 1st child (submit) is disabled, click should have no impact]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache-xhr.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache-xhr.html.ini
new file mode 100644
index 000000000000..a2d2e2f1a0b9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache-xhr.html.ini
@@ -0,0 +1,5 @@
+[http-cache-xhr.html]
+  expected: TIMEOUT
+  [The response from an aborted XHR request should not be cached]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache.html.ini
new file mode 100644
index 000000000000..99ae19e5904e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/http-cache.html.ini
@@ -0,0 +1,40 @@
+[http-cache.html]
+  [HTTP cache, when disabled, does not cache a 400 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 410 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 503 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 599 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 203 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 500 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 504 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 404 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 502 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 200 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 204 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 499 response.]
+    expected: FAIL
+
+  [HTTP cache, when disabled, does not cache a 299 response.]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/iframe/resize_after_load.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/iframe/resize_after_load.html.ini
new file mode 100644
index 000000000000..98894dcb4050
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/iframe/resize_after_load.html.ini
@@ -0,0 +1,2 @@
+[resize_after_load.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/img_find_non_sibling_map.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/img_find_non_sibling_map.html.ini
new file mode 100644
index 000000000000..696b1205191e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/img_find_non_sibling_map.html.ini
@@ -0,0 +1,2 @@
+[img_find_non_sibling_map.html]
+  expected: CRASH
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/img_width_height.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/img_width_height.html.ini
new file mode 100644
index 000000000000..395f6667235c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/img_width_height.html.ini
@@ -0,0 +1,4 @@
+[img_width_height.html]
+  [img_width_height]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/interface_member_exposed.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/interface_member_exposed.html.ini
new file mode 100644
index 000000000000..306079ef8154
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/interface_member_exposed.html.ini
@@ -0,0 +1,62 @@
+[interface_member_exposed.html]
+  expected: ERROR
+  [Disabled preference hides member controlled by that preference: funcControlledStaticMethodDisabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: prefControlledAttributeDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: prefControlledMethodEnabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: prefControlledConstEnabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: funcControlledAttributeEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: prefControlledStaticAttributeDisabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: funcControlledMethodDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: prefControlledStaticMethodEnabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: prefControlledStaticAttributeEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: prefControlledStaticMethodDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: prefControlledAttributeEnabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: funcControlledStaticMethodEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: funcControlledConstDisabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: prefControlledConstDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: funcControlledMethodEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: funcControlledAttributeDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: funcControlledStaticAttributeEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: funcControlledStaticAttributeDisabled]
+    expected: FAIL
+
+  [Enabled preference shows member controlled by that preference: funcControlledConstEnabled]
+    expected: FAIL
+
+  [Disabled preference hides member controlled by that preference: prefControlledMethodDisabled]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/iterable.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/iterable.html.ini
new file mode 100644
index 000000000000..9f574153df07
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/iterable.html.ini
@@ -0,0 +1,19 @@
+[iterable.html]
+  [Iterable iterators are iterators]
+    expected: FAIL
+
+  [Pair iterable iterators are iterators]
+    expected: FAIL
+
+  [Empty value iterator]
+    expected: FAIL
+
+  [Empty pair iterator]
+    expected: FAIL
+
+  [Iterators iterate over values]
+    expected: FAIL
+
+  [Pair iterators iterate over key/value pairs]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/dup_prop_type_test.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/dup_prop_type_test.html.ini
new file mode 100644
index 000000000000..63ea8276bece
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/dup_prop_type_test.html.ini
@@ -0,0 +1,4 @@
+[dup_prop_type_test.html]
+  [Duplicate ItemProperty and ItemType test]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/extra_space_test.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/extra_space_test.html.ini
new file mode 100644
index 000000000000..5cd42d53932c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/extra_space_test.html.ini
@@ -0,0 +1,4 @@
+[extra_space_test.html]
+  [Extra Space ItemProperty and ItemType test]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/none_check.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/none_check.html.ini
new file mode 100644
index 000000000000..e15e0db82e69
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/none_check.html.ini
@@ -0,0 +1,4 @@
+[none_check.html]
+  [None check test]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/regular_prop_type_test.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/regular_prop_type_test.html.ini
new file mode 100644
index 000000000000..9c3a33a095f9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/regular_prop_type_test.html.ini
@@ -0,0 +1,4 @@
+[regular_prop_type_test.html]
+  [Regular ItemProperty and ItemType test]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/single_prop_type_test.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/single_prop_type_test.html.ini
new file mode 100644
index 000000000000..295374a90733
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/microdata/single_prop_type_test.html.ini
@@ -0,0 +1,4 @@
+[single_prop_type_test.html]
+  [Single ItemProperty and ItemType test]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/mime_sniffing_font_context.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/mime_sniffing_font_context.html.ini
new file mode 100644
index 000000000000..3921d030cd03
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/mime_sniffing_font_context.html.ini
@@ -0,0 +1,11 @@
+[mime_sniffing_font_context.html]
+  expected: TIMEOUT
+  [Sniffed font with xml is not loaded]
+    expected: TIMEOUT
+
+  [Sniffed font with xhtml+xml is not loaded]
+    expected: TIMEOUT
+
+  [Sniffed font is loaded and applied]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/mql_borrow.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/mql_borrow.html.ini
new file mode 100644
index 000000000000..50d133e48e4e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/mql_borrow.html.ini
@@ -0,0 +1,5 @@
+[mql_borrow.html]
+  expected: TIMEOUT
+  [Using matchMedia inside of a MediaQueryList callback does not panic]
+    expected: NOTRUN
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/navigator.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/navigator.html.ini
new file mode 100644
index 000000000000..8645291bc8b4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/navigator.html.ini
@@ -0,0 +1,4 @@
+[navigator.html]
+  [navigator.platform mac]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads-and-imports.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads-and-imports.html.ini
new file mode 100644
index 000000000000..10d31e2f2b5a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads-and-imports.html.ini
@@ -0,0 +1,4 @@
+[out-of-order-stylesheet-loads-and-imports.html]
+  [out-of-order stylesheet loads for the same element happen correctly, even with imports]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads.html.ini
new file mode 100644
index 000000000000..35034f228597
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/out-of-order-stylesheet-loads.html.ini
@@ -0,0 +1,4 @@
+[out-of-order-stylesheet-loads.html]
+  [out-of-order stylesheet loads for the same element happen correctly]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom.html.ini
new file mode 100644
index 000000000000..084e7d4000aa
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom.html.ini
@@ -0,0 +1,4 @@
+[partial_shadow_dom.html]
+  [partial_shadow_dom]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom_layout_style.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom_layout_style.html.ini
new file mode 100644
index 000000000000..41cb9e4f9b0d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/partial_shadow_dom_layout_style.html.ini
@@ -0,0 +1,2 @@
+[partial_shadow_dom_layout_style.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/preferences.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/preferences.html.ini
new file mode 100644
index 000000000000..8d8c8b947e11
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/preferences.html.ini
@@ -0,0 +1,4 @@
+[preferences.html]
+  [prefs]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/promise.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/promise.html.ini
new file mode 100644
index 000000000000..4d00217e3436
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/promise.html.ini
@@ -0,0 +1,19 @@
+[promise.html]
+  [Resolve callback gets argument]
+    expected: FAIL
+
+  [Native promise from async callback can be resolved]
+    expected: FAIL
+
+  [Native reject callback gets argument]
+    expected: FAIL
+
+  [Native code rejects with exception]
+    expected: FAIL
+
+  [Reject callback gets argument]
+    expected: FAIL
+
+  [Native resolve callback gets argument]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/scrollBy.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/scrollBy.html.ini
new file mode 100644
index 000000000000..1b7b0a08129f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/scrollBy.html.ini
@@ -0,0 +1,4 @@
+[scrollBy.html]
+  [Ensure that the window.scrollBy function affects scroll position as expected]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/sequence-hole.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/sequence-hole.html.ini
new file mode 100644
index 000000000000..9c8ef1f49af1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/sequence-hole.html.ini
@@ -0,0 +1,7 @@
+[sequence-hole.html]
+  [Sequences with holes and a getter on the prototype are correctly handled]
+    expected: FAIL
+
+  [Sequences with holes are correctly handled]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/service-workers/service-worker-registration.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/service-workers/service-worker-registration.html.ini
new file mode 100644
index 000000000000..c1810295a290
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/service-workers/service-worker-registration.html.ini
@@ -0,0 +1,22 @@
+[service-worker-registration.html]
+  [Test: Throws Error when Invalid Scope]
+    expected: FAIL
+
+  [Test: Asserts ServiceWorkerContainer in Navigator]
+    expected: FAIL
+
+  [Test: Throws Error when Invalid Url Path]
+    expected: FAIL
+
+  [Test: Service Worker Registration property scope Url when no scope]
+    expected: FAIL
+
+  [Test: Service Worker Registration property scope when provided a scope]
+    expected: FAIL
+
+  [Test: Asserts Active Service Worker and its Registration]
+    expected: FAIL
+
+  [Test: Active Service Worker ScriptURL property]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/sigsegv.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/sigsegv.html.ini
new file mode 100644
index 000000000000..07474151a491
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/sigsegv.html.ini
@@ -0,0 +1,2 @@
+[sigsegv.html]
+  expected: ERROR
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/simple_scroll_to_fragment.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/simple_scroll_to_fragment.html.ini
new file mode 100644
index 000000000000..1fb12157a341
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/simple_scroll_to_fragment.html.ini
@@ -0,0 +1,2 @@
+[simple_scroll_to_fragment.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/style_no_trailing_space.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/style_no_trailing_space.html.ini
new file mode 100644
index 000000000000..03ef037af121
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/style_no_trailing_space.html.ini
@@ -0,0 +1,4 @@
+[style_no_trailing_space.html]
+  [style_no_trailing_space]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_bottom.html.ini
new file mode 100644
index 000000000000..e710373d9f14
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_bottom.html.ini
@@ -0,0 +1,2 @@
+[table_valign_bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_middle.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_middle.html.ini
new file mode 100644
index 000000000000..8052f2cda14b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_middle.html.ini
@@ -0,0 +1,2 @@
+[table_valign_middle.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_uneven_height.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_uneven_height.html.ini
new file mode 100644
index 000000000000..608b489badb5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/table_valign_uneven_height.html.ini
@@ -0,0 +1,2 @@
+[table_valign_uneven_height.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/text-overflow-ellipsis-stacking-context.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/text-overflow-ellipsis-stacking-context.html.ini
new file mode 100644
index 000000000000..8b78bc91e37d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/text-overflow-ellipsis-stacking-context.html.ini
@@ -0,0 +1,2 @@
+[text-overflow-ellipsis-stacking-context.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/textarea_placeholder.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/textarea_placeholder.html.ini
new file mode 100644
index 000000000000..83e7aac96c90
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/textarea_placeholder.html.ini
@@ -0,0 +1,2 @@
+[textarea_placeholder.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/upstream/css_variables_setProperty_recompute.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/upstream/css_variables_setProperty_recompute.html.ini
new file mode 100644
index 000000000000..996be713cd4a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/upstream/css_variables_setProperty_recompute.html.ini
@@ -0,0 +1,4 @@
+[css_variables_setProperty_recompute.html]
+  [Calling setProperty on a custom property should recompute its value inherited by children]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/variadic-interface.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/variadic-interface.html.ini
new file mode 100644
index 000000000000..3b0a6b985ad8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/variadic-interface.html.ini
@@ -0,0 +1,7 @@
+[variadic-interface.html]
+  [Default values and variadic arguments work together.]
+    expected: FAIL
+
+  [Variadic interface arguments work.]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/video_poster_frame.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/video_poster_frame.html.ini
new file mode 100644
index 000000000000..a8b5c2da0c5e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/video_poster_frame.html.ini
@@ -0,0 +1,2 @@
+[video_poster_frame.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/weakref.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/weakref.html.ini
new file mode 100644
index 000000000000..f0fc027e0231
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/weakref.html.ini
@@ -0,0 +1,4 @@
+[weakref.html]
+  [Weak references work]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/clearcolor.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/clearcolor.html.ini
new file mode 100644
index 000000000000..0af2f792e3fa
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/clearcolor.html.ini
@@ -0,0 +1,2 @@
+[clearcolor.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/context_creation_error.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/context_creation_error.html.ini
new file mode 100644
index 000000000000..d4f1e2f62b82
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/context_creation_error.html.ini
@@ -0,0 +1,4 @@
+[context_creation_error.html]
+  [WebGLContextEvent "webglcontextcreationerror" event]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/draw_arrays_simple.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/draw_arrays_simple.html.ini
new file mode 100644
index 000000000000..3c62e9e6d4d1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/draw_arrays_simple.html.ini
@@ -0,0 +1,2 @@
+[draw_arrays_simple.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_abv.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_abv.html.ini
new file mode 100644
index 000000000000..2182851af6b1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_abv.html.ini
@@ -0,0 +1,2 @@
+[tex_image_2d_abv.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas.html.ini
new file mode 100644
index 000000000000..dc950fa7b634
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas.html.ini
@@ -0,0 +1,2 @@
+[tex_image_2d_canvas.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas2d.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas2d.html.ini
new file mode 100644
index 000000000000..439a3324829a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_canvas2d.html.ini
@@ -0,0 +1,2 @@
+[tex_image_2d_canvas2d.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_mipmap.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_mipmap.html.ini
new file mode 100644
index 000000000000..da08a2c6a225
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_mipmap.html.ini
@@ -0,0 +1,2 @@
+[tex_image_2d_mipmap.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_simple.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_simple.html.ini
new file mode 100644
index 000000000000..7abe554c4325
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/webgl/tex_image_2d_simple.html.ini
@@ -0,0 +1,2 @@
+[tex_image_2d_simple.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/window_performance_topLevelDomComplete.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/window_performance_topLevelDomComplete.html.ini
new file mode 100644
index 000000000000..b2d0caf00e8e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/window_performance_topLevelDomComplete.html.ini
@@ -0,0 +1,4 @@
+[window_performance_topLevelDomComplete.html]
+  [top level dom complete]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet.html.ini
new file mode 100644
index 000000000000..d7f24b68e198
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet.html.ini
@@ -0,0 +1,2 @@
+[test_paint_worklet.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_loading.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_loading.html.ini
new file mode 100644
index 000000000000..9129af1e4767
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_loading.html.ini
@@ -0,0 +1,40 @@
+[test_paint_worklet_loading.html]
+  [Loading a nonexistent paint worklet.]
+    expected: FAIL
+
+  [Loading a cross-origin paint worklet.]
+    expected: FAIL
+
+  [Loading a paint worklet which isn't a constructor function.]
+    expected: FAIL
+
+  [Loading an exception-throwing paint worklet.]
+    expected: FAIL
+
+  [Loading a paint worklet with an empty name.]
+    expected: FAIL
+
+  [Loading a paint worklet whose inputArguments throws an exception.]
+    expected: FAIL
+
+  [Loading a syntactically incorrect paint worklet.]
+    expected: FAIL
+
+  [Loading a paint worklet whose alpha throws an exception.]
+    expected: FAIL
+
+  [Loading a paint worklet with no paint.]
+    expected: FAIL
+
+  [Loading a paint worklet.]
+    expected: FAIL
+
+  [Loading a paint worklet again.]
+    expected: FAIL
+
+  [Loading a paint worklet whose inputProperties throws an exception.]
+    expected: FAIL
+
+  [Loading a paint worklet with a paint that is not callable.]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_size.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_size.html.ini
new file mode 100644
index 000000000000..15cdec72c53a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_size.html.ini
@@ -0,0 +1,2 @@
+[test_paint_worklet_size.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_timeout.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_timeout.html.ini
new file mode 100644
index 000000000000..858537ade376
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_paint_worklet_timeout.html.ini
@@ -0,0 +1,2 @@
+[test_paint_worklet_timeout.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_worklet.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_worklet.html.ini
new file mode 100644
index 000000000000..d5f4d31b9add
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/worklets/test_worklet.html.ini
@@ -0,0 +1,2 @@
+[test_worklet.html]
+  expected: ERROR
diff --git a/tests/wpt/mozilla/meta-layout-2020/mozilla/xmlhttprequest_url.html.ini b/tests/wpt/mozilla/meta-layout-2020/mozilla/xmlhttprequest_url.html.ini
new file mode 100644
index 000000000000..f1ebb2bf40e0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/mozilla/xmlhttprequest_url.html.ini
@@ -0,0 +1,4 @@
+[xmlhttprequest_url.html]
+  [Performance entries should contain the URL where the XMLHttpRequest originated]
+    expected: FAIL
+