diff --git a/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
index 3605e8f3fc9..76b44d9e9cf 100644
--- a/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -4,7 +4,7 @@
     expected: TIMEOUT
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Fetching a blob URL immediately before revoking it works in an iframe.]
     expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
deleted file mode 100644
index f64b45fea6b..00000000000
--- a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
similarity index 67%
rename from tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
rename to tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
index 4bfb0c2053a..f29da48a2a0 100644
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-004.html]
+[hit-test-floats-003.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
new file mode 100644
index 00000000000..baa9f1a7541
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini b/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
index abdbbf53b50..9f04cf4e1d0 100644
--- a/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
@@ -28,4 +28,3 @@
 
   [.flexbox 9]
     expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini b/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini
new file mode 100644
index 00000000000..dedf23e4b8d
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini
@@ -0,0 +1,4 @@
+[flex-aspect-ratio-img-column-017.html]
+  [img 1]
+    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
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    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 00000000000..e181af5397f
--- /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 otherwise empty queries within the viewport]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/selectors/is-where-visited.html.ini b/tests/wpt/metadata-layout-2020/css/selectors/is-where-visited.html.ini
new file mode 100644
index 00000000000..c93af375fa1
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/selectors/is-where-visited.html.ini
@@ -0,0 +1,2 @@
+[is-where-visited.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index 8ae6da93e83..b5302807cb7 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
@@ -321,12 +321,15 @@
   [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
index 258fe374697..d2df9b78483 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
@@ -56,6 +56,3 @@
   [separate text/javascript x/x]
     expected: FAIL
 
-  [separate text/javascript ]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
index 58de838d890..369bf4d4fa4 100644
--- a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,6 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20%22nosniFF%22]
+  [Content-Type-Options%3A%20nosniff]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e670..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
deleted file mode 100644
index 75d75b4cda2..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_2.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
deleted file mode 100644
index 385376c7321..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_4.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
deleted file mode 100644
index 735a9a75a2a..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[cross-origin-objects-on-new-window.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 9a85a905394..8e2b6af33d8 100644
--- a/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,7 +1,8 @@
 [embedded-opener-remove-frame.html]
+  expected: TIMEOUT
   [opener of discarded nested browsing context]
     expected: FAIL
 
   [opener of discarded auxiliary browsing context]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini
new file mode 100644
index 00000000000..080d8d3fdaf
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
new file mode 100644
index 00000000000..e86dd669bb7
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini
new file mode 100644
index 00000000000..31f61f516de
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini
new file mode 100644
index 00000000000..080d8d3fdaf
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
new file mode 100644
index 00000000000..e86dd669bb7
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini
new file mode 100644
index 00000000000..232a20af8a3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.worker.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini
new file mode 100644
index 00000000000..d35e5af4e73
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.worker.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini
new file mode 100644
index 00000000000..31f61f516de
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini
new file mode 100644
index 00000000000..046e9030747
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.worker.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index d81ae5a4949..f45aaafe1c5 100644
--- a/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -1,17 +1,16 @@
 [supported-elements.html]
-  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: NOTRUN
+    expected: FAIL
 
   [Element with tabindex should support autofocus]
     expected: FAIL
 
   [Area element should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
   [Host element with delegatesFocus should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
index 5c3ac06f42a..09ae27d7480 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
@@ -171,3 +171,6 @@
   [XHTML img usemap="#hash-id"]
     expected: FAIL
 
+  [HTML (standards) IMG usemap="no-hash-name"]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index e63fe7c263e..c6f45be1eb2 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index ab43ed7acf4..338d283eb0e 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_escaping-3.html]
-  expected: CRASH
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 3080be9afc0..d913fcbb129 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_nonescaping-1.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index 0407f0cc2b7..9eb581fcf1f 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_nonescaping-2.html]
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit.html.ini
new file mode 100644
index 00000000000..b193c33c2b6
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit.html]
+  [default submit action should supersede onclick submit()]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
new file mode 100644
index 00000000000..6cf9d13975c
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
@@ -0,0 +1,4 @@
+[iframe_005.html]
+  [document.write external script into iframe write back into parent]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
deleted file mode 100644
index 59a54fe88e4..00000000000
--- a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-delayed.html]
-  [async document.write in a module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
deleted file mode 100644
index fca4d908c89..00000000000
--- a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-static-import-delayed.html]
-  [document.write in an imported module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
index 58c9d7f8c0c..57744023f73 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
@@ -1,5 +1,5 @@
 [ignore-opens-during-unload.window.html]
-  expected: TIMEOUT
+  expected: CRASH
   [document.open should bail out when ignore-opens-during-unload is greater than 0 during visibilitychange event (open(parent) while unloading parent and child)]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index 266ec7c72a4..9e155be8417 100644
--- a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -149,3 +149,9 @@
   [< [buffer-stitching-2\] 2 out of 3 assertions were failed.]
     expected: FAIL
 
+  [X SNR (43.82404088230102 dB) is not greater than or equal to 65.737. Got 43.82404088230102.]
+    expected: FAIL
+
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t5.0039952650265951e-13\t9.3139332532882690e-1\t9.3139332532832653e-1\t9.9999999999946276e-1\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532832653e-1 at index of 28696.\n\tMax RelError of 9.9999999999946276e-1 at index of 28696.\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
similarity index 100%
rename from tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini
rename to tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/018.html.ini
deleted file mode 100644
index 663a1f8fa30..00000000000
--- a/tests/wpt/metadata-layout-2020/webmessaging/without-ports/018.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[018.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, javascript:]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index faa00f45ecf..d4f62ed7113 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -7,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: TIMEOUT
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 934588eb290..8294f0aeb9a 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -137149,7 +137149,7 @@
       ]
      ],
      "align-items-007.html": [
-      "01e8f001a8a39c8726cf9a9453dfad07d0e1b83a",
+      "704c82fc6ad92410ff50ba4e5bbe02913ab33fe9",
       [
        null,
        [
@@ -139062,7 +139062,7 @@
       ]
      ],
      "flex-minimum-height-flex-items-007.xht": [
-      "e0e612627482d576acb6dd0857cc9f78f7cfa9e4",
+      "790ecb9141e40ecd583d0541cabb52939d5cfa37",
       [
        null,
        [
@@ -221351,8 +221351,21 @@
        {}
       ]
      ],
+     "is-where-visited.html": [
+      "5025b0a10a209092e54fd0e0ef9b07e296bb381a",
+      [
+       null,
+       [
+        [
+         "/css/selectors/is-where-visited-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "not-links.html": [
-      "d49a86fd0ea710d8fd36798e84034f3042e58e81",
+      "58cef1a282e8e5a2d7ce17d614e9c4b15ce1ccf6",
       [
        null,
        [
@@ -257842,7 +257855,47 @@
     "sec-ch-quotes.https.html.headers": [
      "1e99ac7203b350ea80c24f4737ede4363fa8efeb",
      []
-    ]
+    ],
+    "service-workers": {
+     "intercept-request.https.html.headers": [
+      "91ee40652f06508478bb776bf4068fd61277cef3",
+      []
+     ],
+     "new-request.https.html.headers": [
+      "91ee40652f06508478bb776bf4068fd61277cef3",
+      []
+     ],
+     "passthrough-request.https.html.headers": [
+      "91ee40652f06508478bb776bf4068fd61277cef3",
+      []
+     ],
+     "resources": {
+      "echo-hint-in-html.py": [
+       "c1d99cb5c5ed7638cdf8db104379295921a96f3f",
+       []
+      ],
+      "foo.html": [
+       "ba578e48b183662ddf9b38682cc52fb80066ce6d",
+       []
+      ],
+      "intercept-request.js": [
+       "b85e6e9c22800b855ed24f2f010c57a29a630ca5",
+       []
+      ],
+      "new-request.js": [
+       "395c77183e1925245b73c46e6f323c905d0b2370",
+       []
+      ],
+      "passthrough-request.js": [
+       "5541c5eb55673c2a07f826f4c575350b0ec0abc2",
+       []
+      ],
+      "util.js": [
+       "5692cd8918f9d3dac237f5b3c28d7d8baaf7ea08",
+       []
+      ]
+     }
+    }
    },
    "clipboard-apis": {
     "META.yml": [
@@ -325852,8 +325905,12 @@
       "3a17efedfbbaa0558ab73a16aef42ce626e27b7d",
       []
      ],
+     "is-where-visited-ref.html": [
+      "c8243ac73199435f3a7dc0da0bd839fed9a77a14",
+      []
+     ],
      "not-links-ref.html": [
-      "1efe5943f4e33eb0046fa89dfac8a97eeff3da85",
+      "1b2515a5cd1ec257fa8ebda2041699f5d4d09230",
       []
      ],
      "of-type-selectors-ref.xhtml": [
@@ -337492,7 +337549,7 @@
          []
         ],
         "drawing-text-to-the-canvas.yaml": [
-         "31e85a7ea98c55c767dbaccdeac03e7e33141734",
+         "a00caef1764fcced8f51673e08e4738d95df6a4f",
          []
         ],
         "fill-and-stroke-styles.yaml": [
@@ -337586,7 +337643,7 @@
          []
         ],
         "text.yaml": [
-         "7edd25e7cb04694a9c97d94ce6578724cd80b61c",
+         "280f4335ae2bae7bfa09ff1d87951f2bcfe3af53",
          []
         ],
         "the-canvas-state.yaml": [
@@ -348474,7 +348531,7 @@
      []
     ],
     "worklets.idl": [
-     "8f5154e8509e41ac4dbb761319555897aad8a8c8",
+     "9c12f6ff9251a67b46ad3050f04388ca3c3c2e61",
      []
     ],
     "xhr.idl": [
@@ -389737,7 +389794,30 @@
       null,
       {}
      ]
-    ]
+    ],
+    "service-workers": {
+     "intercept-request.https.html": [
+      "00e024b7b64ee312515da0f12bc7082be8d80617",
+      [
+       null,
+       {}
+      ]
+     ],
+     "new-request.https.html": [
+      "006ec24e8b54a53bbeb9e3a9db1a58a0a10a8d9a",
+      [
+       null,
+       {}
+      ]
+     ],
+     "passthrough-request.https.html": [
+      "8dca4240985b5cb7d221467860202445482e27e2",
+      [
+       null,
+       {}
+      ]
+     ]
+    }
    },
    "clipboard-apis": {
     "async-html-script-removal.https.html": [
@@ -400458,7 +400538,14 @@
       ]
      ],
      "flex-aspect-ratio-img-column-011.html": [
-      "66cb0e015f6618eb7cc3daee99f29ddbf7ed4729",
+      "6a0adb70dfd4886d25036104c1d72be90b564718",
+      [
+       null,
+       {}
+      ]
+     ],
+     "flex-aspect-ratio-img-column-017.html": [
+      "b2b97f0a31cfc7e67a67946b1cbad6ef0fbdbda8",
       [
        null,
        {}
@@ -425631,6 +425718,13 @@
        {}
       ]
      ],
+     "Element-setAttribute-crbug-1138487.html": [
+      "9aa9ed8139eedd1341950b4e986d16ab7d51437f",
+      [
+       null,
+       {}
+      ]
+     ],
      "Element-setAttribute.html": [
       "7609406815e5cab63a3fbb9f3a62ed386c80738a",
       [
@@ -450164,6 +450258,27 @@
          {}
         ]
        ],
+       "2d.text.drawing.style.fontKerning.html": [
+        "b422b311276e854f5b9f0633bfba52fc7bc967c2",
+        [
+         null,
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.fontKerning.with.uppercase.html": [
+        "db4adf73f09bf895e95b3e81b20962772ee7799e",
+        [
+         null,
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.spacing.html": [
+        "a4ec083311ba0cdb32babf9b4e3351111c29ade5",
+        [
+         null,
+         {}
+        ]
+       ],
        "2d.text.measure.actualBoundingBox.html": [
         "44cff25d1afa82ba5f960784548b81e50025e787",
         [
@@ -464563,6 +464678,48 @@
          {}
         ]
        ],
+       "2d.text.drawing.style.fontKerning.html": [
+        "88b56c7562d388762d837a00e0f8389b8709c0d8",
+        [
+         null,
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.fontKerning.with.uppercase.html": [
+        "5e394dba50a74da6c4ef07c40af1e4cbb7163df2",
+        [
+         null,
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.fontKerning.with.uppercase.worker.js": [
+        "df3cd661884c38058326dd2e61084a9312fb952c",
+        [
+         "html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.html",
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.fontKerning.worker.js": [
+        "d26bdec6ccf09e2153e393fadb594cf99e972fa7",
+        [
+         "html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.html",
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.spacing.html": [
+        "d3cf89ad7be91fda67b7f5e005533293b1581e0e",
+        [
+         null,
+         {}
+        ]
+       ],
+       "2d.text.drawing.style.spacing.worker.js": [
+        "0499b310b1eeaac3bd16b4c3dd957dcd7c0b5aad",
+        [
+         "html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.html",
+         {}
+        ]
+       ],
        "2d.text.font.default.html": [
         "0d355729a6bdc843915e4324f07ae26c11aca4f9",
         [
@@ -523989,6 +524146,13 @@
         {}
        ]
       ],
+      "SVGElement.className-01.svg": [
+       "38121356a6682f9c184c5b0ed50839211361c515",
+       [
+        null,
+        {}
+       ]
+      ],
       "SVGGeometryElement.getPointAtLength-01.svg": [
        "e268386b64e256383b606aa02ac1497e380d8f3f",
        [
@@ -524779,7 +524943,7 @@
      ]
     ],
     "trusted-types-reporting.tentative.html": [
-     "5d9cd8b04eabbe7cf237bc0c25d0f3417d491c2a",
+     "1e9d20d308f0027febaa96b0c9f952af7adb3555",
      [
       null,
       {
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
deleted file mode 100644
index f64b45fea6b..00000000000
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
similarity index 67%
rename from tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
rename to tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
index 4bfb0c2053a..f29da48a2a0 100644
--- a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-004.html]
+[hit-test-floats-003.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
new file mode 100644
index 00000000000..baa9f1a7541
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini b/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
index 79c106d17e7..0e3cdca50b5 100644
--- a/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
+++ b/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-011.html.ini
@@ -1,7 +1,4 @@
 [flex-aspect-ratio-img-column-011.html]
-  [.flexbox 10]
-    expected: FAIL
-
   [.flexbox 5]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini b/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini
new file mode 100644
index 00000000000..dedf23e4b8d
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/flex-aspect-ratio-img-column-017.html.ini
@@ -0,0 +1,4 @@
+[flex-aspect-ratio-img-column-017.html]
+  [img 1]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
new file mode 100644
index 00000000000..e181af5397f
--- /dev/null
+++ b/tests/wpt/metadata/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 otherwise empty queries within the viewport]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/selectors/is-where-visited.html.ini b/tests/wpt/metadata/css/selectors/is-where-visited.html.ini
new file mode 100644
index 00000000000..c93af375fa1
--- /dev/null
+++ b/tests/wpt/metadata/css/selectors/is-where-visited.html.ini
@@ -0,0 +1,2 @@
+[is-where-visited.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 7a6a05dd352..2be67e0d3c4 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -321,12 +321,15 @@
   [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index 258fe374697..d2df9b78483 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -56,6 +56,3 @@
   [separate text/javascript x/x]
     expected: FAIL
 
-  [separate text/javascript ]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 58de838d890..369bf4d4fa4 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,6 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20%22nosniFF%22]
+  [Content-Type-Options%3A%20nosniff]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e670..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
deleted file mode 100644
index 75d75b4cda2..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_2.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
deleted file mode 100644
index 385376c7321..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_4.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
deleted file mode 100644
index 735a9a75a2a..00000000000
--- a/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[cross-origin-objects-on-new-window.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 442db3cb549..fd369192a02 100644
--- a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,4 +1,5 @@
 [embedded-opener-remove-frame.html]
+  expected: TIMEOUT
   [opener and "removed" embedded documents]
     expected: FAIL
 
@@ -6,5 +7,5 @@
     expected: FAIL
 
   [opener of discarded auxiliary browsing context]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini
new file mode 100644
index 00000000000..080d8d3fdaf
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
new file mode 100644
index 00000000000..e86dd669bb7
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini
new file mode 100644
index 00000000000..31f61f516de
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini
new file mode 100644
index 00000000000..080d8d3fdaf
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
new file mode 100644
index 00000000000..e86dd669bb7
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini
new file mode 100644
index 00000000000..232a20af8a3
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.with.uppercase.worker.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini
new file mode 100644
index 00000000000..d35e5af4e73
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.fontKerning.worker.html]
+  [Testing basic functionalities of fontKerning for canvas]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini
new file mode 100644
index 00000000000..31f61f516de
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini
new file mode 100644
index 00000000000..046e9030747
--- /dev/null
+++ b/tests/wpt/metadata/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js.ini
@@ -0,0 +1,4 @@
+[2d.text.drawing.style.spacing.worker.html]
+  [Testing baselines]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index dab21cae5d8..6b68e9094e4 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -1,5 +1,4 @@
 [supported-elements.html]
-  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
@@ -7,11 +6,11 @@
     expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: NOTRUN
+    expected: FAIL
 
   [Area element should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
   [Host element with delegatesFocus should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
index 1de3f8d68b2..98163335e40 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
@@ -172,3 +172,6 @@
   [XHTML img usemap="http://example.org/#garbage-before-hash-id"]
     expected: FAIL
 
+  [HTML (standards) IMG usemap="no-hash-name"]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index e63fe7c263e..c6f45be1eb2 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index b3bd9f4c289..f6a7aca3306 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_escaping-3.html]
   type: testharness
-  expected: CRASH
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 963d4cd20ef..9df1ac56f2a 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-1.html]
   type: testharness
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index d43f38b40cd..45d8be1c898 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit.html.ini
new file mode 100644
index 00000000000..b193c33c2b6
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit.html]
+  [default submit action should supersede onclick submit()]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
new file mode 100644
index 00000000000..6cf9d13975c
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
@@ -0,0 +1,4 @@
+[iframe_005.html]
+  [document.write external script into iframe write back into parent]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
deleted file mode 100644
index 59a54fe88e4..00000000000
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-delayed.html]
-  [async document.write in a module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
deleted file mode 100644
index fca4d908c89..00000000000
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-static-import-delayed.html]
-  [document.write in an imported module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
index 69bd952d756..910c88d3e81 100644
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
@@ -1,5 +1,5 @@
 [ignore-opens-during-unload.window.html]
-  expected: TIMEOUT
+  expected: CRASH
   [ignore-opens-during-unload]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index 66ddf09ab23..0a39bb3c63c 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -377,3 +377,9 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-2.1886497270315886e-3\t9.3139332532882690e-1\t9.3358197505585849e-1\t1.0023498662353618e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3358197505585849e-1 at index of 28696.\n\tMax RelError of 1.0023498662353618e+0 at index of 28696.\n]
     expected: FAIL
 
+  [X SNR (43.82404088230102 dB) is not greater than or equal to 65.737. Got 43.82404088230102.]
+    expected: FAIL
+
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t5.0039952650265951e-13\t9.3139332532882690e-1\t9.3139332532832653e-1\t9.9999999999946276e-1\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532832653e-1 at index of 28696.\n\tMax RelError of 9.9999999999946276e-1 at index of 28696.\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
similarity index 100%
rename from tests/wpt/metadata/webmessaging/with-ports/017.html.ini
rename to tests/wpt/metadata/webmessaging/without-ports/017.html.ini
diff --git a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
deleted file mode 100644
index 663a1f8fa30..00000000000
--- a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[018.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, javascript:]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html b/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html
new file mode 100644
index 00000000000..00e024b7b64
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>Client Hint/Service Worker interaction</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script src="resources/util.js"></script>
+<script>
+promise_test((t) =>
+  ch_sw_test(t, 'resources/intercept-request.js', 'resources/foo.html', 'PASS'),
+  "Service workers succsefully receives hints from request");
+</script>
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html.headers b/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html.headers
new file mode 100644
index 00000000000..91ee40652f0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/intercept-request.https.html.headers
@@ -0,0 +1 @@
+Accept-CH: device-memory
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html b/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html
new file mode 100644
index 00000000000..006ec24e8b5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>Client Hint/Service Worker interaction</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script src="resources/util.js"></script>
+<script>
+promise_test((t) =>
+  ch_sw_test(t, 'resources/new-request.js', 'resources/foo.html', 'FAIL'),
+  "Service worker does NOT generate client hints in a new request");
+</script>
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html.headers b/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html.headers
new file mode 100644
index 00000000000..91ee40652f0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/new-request.https.html.headers
@@ -0,0 +1 @@
+Accept-CH: device-memory
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html b/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html
new file mode 100644
index 00000000000..8dca4240985
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>Client Hint/Service Worker interaction</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script src="resources/util.js"></script>
+<script>
+promise_test((t) =>
+  ch_sw_test(t, 'resources/passthrough-request.js', 'resources/echo-hint-in-html.py', 'PASS'),
+  "Service worker successfully passes hints through to new fetch");
+</script>
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html.headers b/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html.headers
new file mode 100644
index 00000000000..91ee40652f0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/passthrough-request.https.html.headers
@@ -0,0 +1 @@
+Accept-CH: device-memory
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/echo-hint-in-html.py b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/echo-hint-in-html.py
new file mode 100644
index 00000000000..c1d99cb5c5e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/echo-hint-in-html.py
@@ -0,0 +1,21 @@
+import sys
+
+def main(request, response):
+    """
+    Simple handler that sets a response header based on which client hint
+    request headers were received.
+    """
+
+    response.headers.append(b"Content-Type", b"text/html; charset=UTF-8")
+    response.headers.append(b"Access-Control-Allow-Origin", b"*")
+    response.headers.append(b"Access-Control-Allow-Headers", b"*")
+    response.headers.append(b"Access-Control-Expose-Headers", b"*")
+
+    response.headers.append(b"Cache-Control", b"no-store")
+
+    result = "FAIL"
+
+    if b"device-memory" in request.headers:
+      result = "PASS"
+
+    response.content = result
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/foo.html b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/foo.html
new file mode 100644
index 00000000000..ba578e48b18
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/foo.html
@@ -0,0 +1 @@
+BAR
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/intercept-request.js b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/intercept-request.js
new file mode 100644
index 00000000000..b85e6e9c228
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/intercept-request.js
@@ -0,0 +1,6 @@
+self.addEventListener('fetch', (event) => {
+  result="FAIL";
+  if(event.request.headers.has("device-memory"))
+    result="PASS";
+  event.respondWith(new Response(result));
+});
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/new-request.js b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/new-request.js
new file mode 100644
index 00000000000..395c77183e1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/new-request.js
@@ -0,0 +1,3 @@
+self.addEventListener('fetch', (event) => {
+    event.respondWith(fetch("/client-hints/service-workers/resources/echo-hint-in-html.py"))
+});
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/passthrough-request.js b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/passthrough-request.js
new file mode 100644
index 00000000000..5541c5eb556
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/passthrough-request.js
@@ -0,0 +1 @@
+self.addEventListener('fetch', (event) => fetch(event.request));
diff --git a/tests/wpt/web-platform-tests/client-hints/service-workers/resources/util.js b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/util.js
new file mode 100644
index 00000000000..5692cd8918f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/client-hints/service-workers/resources/util.js
@@ -0,0 +1,18 @@
+async function ch_sw_test(t, worker, url, response) {
+  r = await service_worker_unregister_and_register(t, worker, worker)
+  await wait_for_state(t, r.installing, 'activated')
+  var popup_window = window.open('about:blank');
+  assert_not_equals(popup_window, null, "Popup windows not allowed?");
+
+  t.add_cleanup(async _=>{
+    popup_window.close();
+    await r.unregister();
+  });
+
+  popup_window.addEventListener('load', (e) => {
+    t.step(()=>{assert_equals(popup_window.document.body.textContent, response)});
+    t.done();
+  });
+
+  popup_window.location = url;
+}
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-007.html b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-007.html
index 01e8f001a8a..704c82fc6ad 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/align-items-007.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/align-items-007.html
@@ -10,6 +10,6 @@
 <!-- This makes sure that we only see green if the flex items are sized correctly -->
 <div style="position: absolute; width: 100px; height: 100px; background: green;"></div>
 
-<div style="display: flex; flex-direction: column; width: 100px; height: 100px; line-height: 20px; align-items: center; background: green;">
+<div style="display: flex; flex-direction: column; width: 100px; height: 100px; line-height: 20px; align-items: center;">
   <img src="../support/red-rect.svg">
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-011.html b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-011.html
index 66cb0e015f6..6a0adb70dfd 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-011.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-011.html
@@ -71,7 +71,7 @@
 </div>
 
 <div class="flexbox column" style="height: 10px;" data-expected-height="10">
-    <!-- should use min(transferred, content height) = 10px as minimum height,
-         which the image will shrink to due to default flex-shrink. -->
-    <img src="support/10x10-green.png" style="width: 100px;" data-expected-height="10">
+    <!-- should use min(transferred (100), content height (100)) = 100px as
+         minimum height, which will be final height of the image -->
+    <img src="support/10x10-green.png" style="width: 100px;" data-expected-height="100">
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-017.html b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-017.html
new file mode 100644
index 00000000000..b2b97f0a31c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-017.html
@@ -0,0 +1,34 @@
+<!doctype html>
+<title>Non aspect-ratio svg flex item</title>
+<link rel="author" title="David Grogan" href="mailto:dgrogan@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#min-size-auto">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes">
+<meta name="assert" content="Specified height on an svg image with no aspect ratio or intrinsic height is not the automatic minimum size." />
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+
+<div id=log></div>
+
+<pre>
+Specified size suggestion = 200px
+Content size suggestion = 150px [1]
+Automatic minimum height = min(150px, 200px)
+
+[1] fallback size from last bullet point in https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes :
+
+For boxes without a preferred aspect ratio:
+ * If the available space is definite in the appropriate dimension, use the stretch fit into that size in that dimension.
+ * Otherwise, if the box has a <length> as its computed minimum size (min-width/min-height) in that dimension, use that size.
+ * Otherwise, use 300px for the width and/or 150px for the height as needed.
+
+</pre>
+Pass condition: there is a 150x150 green square.
+<div style="display: flex; flex-direction: column; height: 0px; width: 150px;">
+  <img src='data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" />' style="height: 200px; background: green;" data-expected-height=150>
+</div>
+
+<script>
+checkLayout('img');
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-007.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-007.xht
index e0e61262748..790ecb9141e 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-007.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-007.xht
@@ -29,6 +29,9 @@
     </head>
     <body>
         <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+        <!-- flex base size = 100 due to part B. For automatic minimum size:
+             transferred size suggestion = 100, content size suggestion = 100.
+        -->
 
         <div id="reference-overlapped-red"></div>
         <div id="constrained-flex">
diff --git a/tests/wpt/web-platform-tests/css/selectors/is-where-visited-ref.html b/tests/wpt/web-platform-tests/css/selectors/is-where-visited-ref.html
new file mode 100644
index 00000000000..c8243ac7319
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/is-where-visited-ref.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<title>:is/:where combined with :visited/:link</title>
+<link rel="help" href="https://drafts.csswg.org/selectors-4/#matches">
+<style>
+  :visited, :link {
+    color: black;
+  }
+
+  #parent1 .a, #parent1 .b, #parent1 .c {
+    color: green;
+  }
+  #parent1 .d, #parent1 .f {
+    color: magenta;
+  }
+
+  #parent2 .b, #parent2 .e {
+    color: tomato;
+  }
+
+  #parent3 .c, #parent3 .f {
+    color: skyblue;
+  }
+
+  #parent4 .c, #parent4 .f {
+    color: blue;
+  }
+
+  #parent3 .b, #parent3 .e, #parent4 .b, #parent4 .e {
+    color: maroon;
+  }
+</style>
+<main>
+  <div id=parent1>
+    <a class=a href="">a</a>
+    <a class=b href="">b</a>
+    <a class=c href="">c</a>
+    <a class=d href="unvisited">d</a>
+    <a class=e href="unvisited">e</a>
+    <a class=f href="unvisited">f</a>
+  </div>
+  <div id=parent2>
+    <a class=a href="">a</a>
+    <a class=b href="">b</a>
+    <a class=c href="">c</a>
+    <a class=d href="unvisited">d</a>
+    <a class=e href="unvisited">e</a>
+    <a class=f href="unvisited">f</a>
+  </div>
+  <a id=parent3 href="">
+    <span class=a>a</span>
+    <span class=b>b</span>
+    <span class=c>c</span>
+    <span class=d>d</span>
+    <span class=e>e</span>
+    <span class=f>f</span>
+  </a>
+  <br>
+  <a id=parent4 href="unvisited">
+    <span class=a>a</span>
+    <span class=b>b</span>
+    <span class=c>c</span>
+    <span class=d>d</span>
+    <span class=e>e</span>
+    <span class=f>f</span>
+  </a>
+</main>
diff --git a/tests/wpt/web-platform-tests/css/selectors/is-where-visited.html b/tests/wpt/web-platform-tests/css/selectors/is-where-visited.html
new file mode 100644
index 00000000000..5025b0a10a2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/is-where-visited.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<title>:is/:where combined with :visited/:link</title>
+<link rel="help" href="https://drafts.csswg.org/selectors-4/#matches">
+<link rel="match" href="is-where-visited-ref.html">
+<style>
+  :visited, :link {
+    color: black;
+  }
+
+  #parent1 :is(:visited) {
+    color: green;
+  }
+  #parent1 :is(:link):nth-child(even) {
+    color: magenta;
+  }
+
+  :is(#parent2 .a + :visited, #parent2 .e:link) {
+    color: tomato;
+  }
+
+  main :is(a:visited > :where(.a + span + span, .f)) {
+    color: skyblue;
+  }
+
+  main :is(a:link > :where(.a + span + span, .f)) {
+    color: blue;
+  }
+
+  main :is(a:is(:link, :visited) > :where(.b, .e)) {
+    color: maroon;
+  }
+</style>
+<main>
+  <div id=parent1>
+    <a class=a href="">a</a>
+    <a class=b href="">b</a>
+    <a class=c href="">c</a>
+    <a class=d href="unvisited">d</a>
+    <a class=e href="unvisited">e</a>
+    <a class=f href="unvisited">f</a>
+  </div>
+  <div id=parent2>
+    <a class=a href="">a</a>
+    <a class=b href="">b</a>
+    <a class=c href="">c</a>
+    <a class=d href="unvisited">d</a>
+    <a class=e href="unvisited">e</a>
+    <a class=f href="unvisited">f</a>
+  </div>
+  <a id=parent3 href="">
+    <span class=a>a</span>
+    <span class=b>b</span>
+    <span class=c>c</span>
+    <span class=d>d</span>
+    <span class=e>e</span>
+    <span class=f>f</span>
+  </a>
+  <br>
+  <a id=parent4 href="unvisited">
+    <span class=a>a</span>
+    <span class=b>b</span>
+    <span class=c>c</span>
+    <span class=d>d</span>
+    <span class=e>e</span>
+    <span class=f>f</span>
+  </a>
+</main>
diff --git a/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html b/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html
index 1efe5943f4e..1b2515a5cd1 100644
--- a/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html
+++ b/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html
@@ -1,10 +1,17 @@
 <!DOCTYPE html>
 <title>Test that *:not(:link):not(:visited) does not match links</title>
+<style>
+  span {
+    background-color: green;
+  }
+</style>
 <body>
-  <a href="#">Unvisited</a>
-  <a href="">Visited</a>
-  <span style="background-color: green">Green</span>
+  <div>
+    <a href="#">Unvisited (<span>Green</span>)</a>
+    <a href="#">Visited (<span>Green</span>)</a>
+    <span>Green</span>
+  </div>
   <p>
-    Only "Green" should have a green background.
+    Only "Green" should have green backgrounds.
   </p>
 </body>
diff --git a/tests/wpt/web-platform-tests/css/selectors/not-links.html b/tests/wpt/web-platform-tests/css/selectors/not-links.html
index d49a86fd0ea..58cef1a282e 100644
--- a/tests/wpt/web-platform-tests/css/selectors/not-links.html
+++ b/tests/wpt/web-platform-tests/css/selectors/not-links.html
@@ -3,15 +3,23 @@
 <link rel="match" href="not-links-ref.html">
 <link rel="help" href="https://drafts.csswg.org/selectors-4/#negation">
 <style>
-  body > *:not(:link):not(:visited) {
+  * {
+    /* Browsers typically ignore the :visited alpha and use the unvisited
+       alpha instead, which by default is 0, in which case a failure would
+       not be detected. */
+    background-color: white;
+  }
+  div *:not(:link):not(:visited) {
     background-color: green;
   }
 </style>
 <body>
-  <a href="#">Unvisited</a>
-  <a href="">Visited</a>
-  <span>Green</span>
-  <p style="background-color: initial">
-    Only "Green" should have a green background.
+  <div>
+    <a href="#">Unvisited (<span>Green</span>)</a>
+    <a href="#">Visited (<span>Green</span>)</a>
+    <span>Green</span>
+  </div>
+  <p>
+    Only "Green" should have green backgrounds.
   </p>
 </body>
diff --git a/tests/wpt/web-platform-tests/dom/nodes/Element-setAttribute-crbug-1138487.html b/tests/wpt/web-platform-tests/dom/nodes/Element-setAttribute-crbug-1138487.html
new file mode 100644
index 00000000000..9aa9ed8139e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/dom/nodes/Element-setAttribute-crbug-1138487.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+// Regression test for crbug.com/1138487.
+//
+// It was possible for a non-ASCII-lowercase string to be used when inserting
+// into the attribute collection if a hashtable encountered it during probing
+// while looking for the ASCII-lowercase equivalent.
+//
+// This caused such a string to be illegally used as an attribute name, thus
+// causing inconsistent behavior in future attribute lookup.
+test(() => {
+  const el = document.createElement('div');
+  el.setAttribute('labelXQL', 'abc');
+  el.setAttribute('_valueXQL', 'def');
+  assert_equals(el.getAttribute('labelXQL'), 'abc');
+  assert_equals(el.getAttribute('labelxql'), 'abc');
+  assert_equals(el.getAttribute('_valueXQL'), 'def');
+  assert_equals(el.getAttribute('_valuexql'), 'def');
+}, "Attributes first seen in mixed ASCII case should not be corrupted.");
+</script>
diff --git a/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html
new file mode 100644
index 00000000000..b422b311276
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.text.drawing.style.fontKerning</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.text.drawing.style.fontKerning</h1>
+<p class="desc">Testing basic functionalities of fontKerning for canvas</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+_addTest(function(canvas, ctx) {
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+width_normal = ctx.measureText("TAWATAVA").width;
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+width_none = ctx.measureText("TAWATAVA").width;
+_assert(width_normal < width_none, "width_normal < width_none");
+
+
+});
+</script>
+
diff --git a/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html
new file mode 100644
index 00000000000..db4adf73f09
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.fontKerning.with.uppercase.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.text.drawing.style.fontKerning.with.uppercase</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.text.drawing.style.fontKerning.with.uppercase</h1>
+<p class="desc">Testing basic functionalities of fontKerning for canvas</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+_addTest(function(canvas, ctx) {
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "noRmal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NoRMal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NORMAL";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "none";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nOne";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nonE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NONE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+
+
+});
+</script>
+
diff --git a/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html
new file mode 100644
index 00000000000..a4ec083311b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/2d.text.drawing.style.spacing.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.text.drawing.style.spacing</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.text.drawing.style.spacing</h1>
+<p class="desc">Testing baselines</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("Testing baselines");
+_addTest(function(canvas, ctx) {
+
+_assertSame(ctx.textLetterSpacing, 0, "ctx.textLetterSpacing", "0");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textLetterSpacing = 3;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textWordSpacing = 5;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 5, "ctx.textWordSpacing", "5");
+
+ctx.textLetterSpacing = -1;
+ctx.textWordSpacing = -1;
+_assertSame(ctx.textLetterSpacing, -1, "ctx.textLetterSpacing", "-1");
+_assertSame(ctx.textWordSpacing, -1, "ctx.textWordSpacing", "-1");
+
+
+});
+</script>
+
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html
new file mode 100644
index 00000000000..88b56c7562d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.text.drawing.style.fontKerning</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.text.drawing.style.fontKerning</h1>
+<p class="desc">Testing basic functionalities of fontKerning for canvas</p>
+
+
+<script>
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+width_normal = ctx.measureText("TAWATAVA").width;
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+width_none = ctx.measureText("TAWATAVA").width;
+_assert(width_normal < width_none, "width_normal < width_none");
+t.done();
+
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html
new file mode 100644
index 00000000000..5e394dba50a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.text.drawing.style.fontKerning.with.uppercase</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.text.drawing.style.fontKerning.with.uppercase</h1>
+<p class="desc">Testing basic functionalities of fontKerning for canvas</p>
+
+
+<script>
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "noRmal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NoRMal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NORMAL";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "none";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nOne";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nonE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NONE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+t.done();
+
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js
new file mode 100644
index 00000000000..df3cd661884
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.with.uppercase.worker.js
@@ -0,0 +1,52 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.text.drawing.style.fontKerning.with.uppercase
+// Description:Testing basic functionalities of fontKerning for canvas
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "noRmal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NoRMal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NORMAL";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "none";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nOne";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "nonE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+ctx.fontKerning = "Auto";
+ctx.fontKerning = "NONE";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+t.done();
+
+});
+done();
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js
new file mode 100644
index 00000000000..d26bdec6ccf
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.fontKerning.worker.js
@@ -0,0 +1,30 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.text.drawing.style.fontKerning
+// Description:Testing basic functionalities of fontKerning for canvas
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Testing basic functionalities of fontKerning for canvas");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.fontKerning, "Auto", "ctx.fontKerning", "\"Auto\"");
+ctx.fontKerning = "Normal";
+_assertSame(ctx.fontKerning, "Normal", "ctx.fontKerning", "\"Normal\"");
+width_normal = ctx.measureText("TAWATAVA").width;
+ctx.fontKerning = "None";
+_assertSame(ctx.fontKerning, "None", "ctx.fontKerning", "\"None\"");
+width_none = ctx.measureText("TAWATAVA").width;
+_assert(width_normal < width_none, "width_normal < width_none");
+t.done();
+
+});
+done();
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html
new file mode 100644
index 00000000000..d3cf89ad7be
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>OffscreenCanvas test: 2d.text.drawing.style.spacing</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+
+<h1>2d.text.drawing.style.spacing</h1>
+<p class="desc">Testing baselines</p>
+
+
+<script>
+var t = async_test("Testing baselines");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.textLetterSpacing, 0, "ctx.textLetterSpacing", "0");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textLetterSpacing = 3;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textWordSpacing = 5;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 5, "ctx.textWordSpacing", "5");
+
+ctx.textLetterSpacing = -1;
+ctx.textWordSpacing = -1;
+_assertSame(ctx.textLetterSpacing, -1, "ctx.textLetterSpacing", "-1");
+_assertSame(ctx.textWordSpacing, -1, "ctx.textWordSpacing", "-1");
+t.done();
+
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js
new file mode 100644
index 00000000000..0499b310b1e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/canvas/offscreen/text/2d.text.drawing.style.spacing.worker.js
@@ -0,0 +1,37 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.text.drawing.style.spacing
+// Description:Testing baselines
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Testing baselines");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+_assertSame(ctx.textLetterSpacing, 0, "ctx.textLetterSpacing", "0");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textLetterSpacing = 3;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 0, "ctx.textWordSpacing", "0");
+
+ctx.textWordSpacing = 5;
+_assertSame(ctx.textLetterSpacing, 3, "ctx.textLetterSpacing", "3");
+_assertSame(ctx.textWordSpacing, 5, "ctx.textWordSpacing", "5");
+
+ctx.textLetterSpacing = -1;
+ctx.textWordSpacing = -1;
+_assertSame(ctx.textLetterSpacing, -1, "ctx.textLetterSpacing", "-1");
+_assertSame(ctx.textWordSpacing, -1, "ctx.textWordSpacing", "-1");
+t.done();
+
+});
+done();
diff --git a/tests/wpt/web-platform-tests/html/canvas/tools/yaml/element/drawing-text-to-the-canvas.yaml b/tests/wpt/web-platform-tests/html/canvas/tools/yaml/element/drawing-text-to-the-canvas.yaml
index 31e85a7ea98..a00caef1764 100644
--- a/tests/wpt/web-platform-tests/html/canvas/tools/yaml/element/drawing-text-to-the-canvas.yaml
+++ b/tests/wpt/web-platform-tests/html/canvas/tools/yaml/element/drawing-text-to-the-canvas.yaml
@@ -738,4 +738,75 @@
         }), 500);
     });
 
-# TODO: shadows, alpha, composite, clip
+- name: 2d.text.drawing.style.spacing
+  desc: Testing baselines
+  testing:
+  - 2d.text.drawing.style.spacing
+  code: |
+    @assert ctx.textLetterSpacing === 0;
+    @assert ctx.textWordSpacing === 0;
+
+    ctx.textLetterSpacing = 3;
+    @assert ctx.textLetterSpacing === 3;
+    @assert ctx.textWordSpacing === 0;
+
+    ctx.textWordSpacing = 5;
+    @assert ctx.textLetterSpacing === 3;
+    @assert ctx.textWordSpacing === 5;
+
+    ctx.textLetterSpacing = -1;
+    ctx.textWordSpacing = -1;
+    @assert ctx.textLetterSpacing === -1;
+    @assert ctx.textWordSpacing === -1;
+
+- name: 2d.text.drawing.style.fontKerning
+  desc: Testing basic functionalities of fontKerning for canvas
+  testing:
+  - 2d.text.drawing.style.fontKerning
+  code: |
+    @assert ctx.fontKerning === "Auto";
+    ctx.fontKerning = "Normal";
+    @assert ctx.fontKerning === "Normal";
+    width_normal = ctx.measureText("TAWATAVA").width;
+    ctx.fontKerning = "None";
+    @assert ctx.fontKerning === "None";
+    width_none = ctx.measureText("TAWATAVA").width;
+    @assert width_normal < width_none;
+
+- name: 2d.text.drawing.style.fontKerning.with.uppercase
+  desc: Testing basic functionalities of fontKerning for canvas
+  testing:
+  - 2d.text.drawing.style.fontKerning
+  code: |
+    @assert ctx.fontKerning === "Auto";
+    ctx.fontKerning = "Normal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "normal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "noRmal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NoRMal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NORMAL";
+    @assert ctx.fontKerning === "Normal";
+
+    ctx.fontKerning = "None";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "none";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "nOne";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "nonE";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NONE";
+    @assert ctx.fontKerning === "None";
+
+# TODO: shadows, alpha, composite, clip
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/html/canvas/tools/yaml/offscreen/text.yaml b/tests/wpt/web-platform-tests/html/canvas/tools/yaml/offscreen/text.yaml
index 7edd25e7cb0..280f4335ae2 100644
--- a/tests/wpt/web-platform-tests/html/canvas/tools/yaml/offscreen/text.yaml
+++ b/tests/wpt/web-platform-tests/html/canvas/tools/yaml/offscreen/text.yaml
@@ -1210,6 +1210,7 @@
         @assert ctx.measureText('ABCD').emHeightDescent === 12.5;
         @assert ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent === 50;
     }).then(t_pass, t_fail);
+
 - name: 2d.text.measure.baselines
   desc: Testing baselines for OffscreenCanvas
   testing:
@@ -1233,4 +1234,79 @@
        @assert ctx.measureText('ABCD').getBaselines().ideographic === -39;
        @assert ctx.measureText('ABCD').getBaselines().hanging === 68;
     }).then(t_pass, t_fail);
-# TODO: shadows, alpha, composite, clip
+
+- name: 2d.text.drawing.style.spacing
+  desc: Testing baselines
+  testing:
+  - 2d.text.drawing.style.spacing
+  code: |
+    @assert ctx.textLetterSpacing === 0;
+    @assert ctx.textWordSpacing === 0;
+
+    ctx.textLetterSpacing = 3;
+    @assert ctx.textLetterSpacing === 3;
+    @assert ctx.textWordSpacing === 0;
+
+    ctx.textWordSpacing = 5;
+    @assert ctx.textLetterSpacing === 3;
+    @assert ctx.textWordSpacing === 5;
+
+    ctx.textLetterSpacing = -1;
+    ctx.textWordSpacing = -1;
+    @assert ctx.textLetterSpacing === -1;
+    @assert ctx.textWordSpacing === -1;
+    t.done();
+
+- name: 2d.text.drawing.style.fontKerning
+  desc: Testing basic functionalities of fontKerning for canvas
+  testing:
+  - 2d.text.drawing.style.fontKerning
+  code: |
+    @assert ctx.fontKerning === "Auto";
+    ctx.fontKerning = "Normal";
+    @assert ctx.fontKerning === "Normal";
+    width_normal = ctx.measureText("TAWATAVA").width;
+    ctx.fontKerning = "None";
+    @assert ctx.fontKerning === "None";
+    width_none = ctx.measureText("TAWATAVA").width;
+    @assert width_normal < width_none;
+    t.done();
+
+- name: 2d.text.drawing.style.fontKerning.with.uppercase
+  desc: Testing basic functionalities of fontKerning for canvas
+  testing:
+  - 2d.text.drawing.style.fontKerning
+  code: |
+    @assert ctx.fontKerning === "Auto";
+    ctx.fontKerning = "Normal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "normal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "noRmal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NoRMal";
+    @assert ctx.fontKerning === "Normal";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NORMAL";
+    @assert ctx.fontKerning === "Normal";
+
+    ctx.fontKerning = "None";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "none";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "nOne";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "nonE";
+    @assert ctx.fontKerning === "None";
+    ctx.fontKerning = "Auto";
+    ctx.fontKerning = "NONE";
+    @assert ctx.fontKerning === "None";
+    t.done();
+
+# TODO: shadows, alpha, composite, clip
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/interfaces/worklets.idl b/tests/wpt/web-platform-tests/interfaces/worklets.idl
index 8f5154e8509..9c12f6ff925 100644
--- a/tests/wpt/web-platform-tests/interfaces/worklets.idl
+++ b/tests/wpt/web-platform-tests/interfaces/worklets.idl
@@ -1,17 +1,16 @@
 // GENERATED CONTENT - DO NOT EDIT
 // Content was automatically extracted by Reffy into webref
 // (https://github.com/w3c/webref)
-// Source: Worklets Level 1 (https://drafts.css-houdini.org/worklets/)
+// Source: HTML Standard (https://html.spec.whatwg.org/multipage/worklets.html)
 
-[Exposed=Worklet]
-interface WorkletGlobalScope {
-};
+[Exposed=Worklet, SecureContext]
+interface WorkletGlobalScope {};
 
-[Exposed=Window]
+[Exposed=Window, SecureContext]
 interface Worklet {
-    [NewObject] Promise<undefined> addModule(USVString moduleURL, optional WorkletOptions options = {});
+  [NewObject] Promise<undefined> addModule(USVString moduleURL, optional WorkletOptions options = {});
 };
 
 dictionary WorkletOptions {
-    RequestCredentials credentials = "same-origin";
+  RequestCredentials credentials = "same-origin";
 };
diff --git a/tests/wpt/web-platform-tests/svg/types/scripted/SVGElement.className-01.svg b/tests/wpt/web-platform-tests/svg/types/scripted/SVGElement.className-01.svg
new file mode 100644
index 00000000000..38121356a66
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/types/scripted/SVGElement.className-01.svg
@@ -0,0 +1,15 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml">
+  <title>SVGElement.prototype.className: Reflects to .classList</title>
+  <h:link rel="help" href="https://svgwg.org/svg2-draft/types.html#__svg__SVGElement__className"/>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <script>
+    test(() => {
+      const element = document.createElementNS('http://www.w3.org/2000/svg', 'g');
+
+      assert_false(element.classList.contains('one'), "classList is initially empty");
+      element.className.baseVal = 'one';
+      assert_true(element.classList.contains('one'), "className should reflect to classList");
+    });
+</script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.html
index 5d9cd8b04ea..1e9d20d308f 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.html
@@ -258,6 +258,17 @@
     }, "Trusted Type violation report: sample for custom element assignment");
   }
 
+  promise_test(t => {
+    let p = Promise.resolve()
+        .then(promise_violation("require-trusted-types-for 'script'"))
+        .then(expect_blocked_uri("trusted-types-sink"))
+        .then(expect_sample("Worker constructor|"))
+        .then(promise_flush());
+    expect_throws(_ => new Worker("blabla"));
+    flush();
+    return p;
+  }, "Trusted Type violation report: Worker constructor");
+
   </script>
 
   <!-- Some elements for the tests to act on. -->