diff --git a/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index 7248ba77bd5..00000000000
--- a/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
similarity index 67%
rename from tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
rename to tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
index f29da48a2a0..4bfb0c2053a 100644
--- a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-003.html]
+[hit-test-floats-004.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
deleted file mode 100644
index 4c79907309b..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    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/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index c1ceffdd3bd..09278680524 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
@@ -312,12 +312,6 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
@@ -333,3 +327,12 @@
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+    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 b2ffc8abf78..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 error]
-    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 70efd28ddfc..3f0c77d1871 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 +11,9 @@
   [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%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
+  [X-Content-Type-Options%3A%20%22nosniFF%22]
+    expected: FAIL
+
+  [X-Content-Type-Options%3A%20%2Cnosniff]
     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/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
new file mode 100644
index 00000000000..735a9a75a2a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
@@ -0,0 +1,2 @@
+[cross-origin-objects-on-new-window.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
index 16fa2c5cfc1..dec4c579137 100644
--- a/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
@@ -1,4 +1,5 @@
 [creating_browsing_context_test_01.html]
+  expected: TIMEOUT
   [first argument: absolute url]
-    expected: FAIL
+    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 8e2a63e3b7f..9a85a905394 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
@@ -1,5 +1,4 @@
 [embedded-opener-remove-frame.html]
-  expected: CRASH
   [opener of discarded nested browsing context]
     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 c9d963b55d2..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
@@ -1,20 +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: NOTRUN
-
-  [Non-HTMLElement should not support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
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 338d283eb0e..295031c1812 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
@@ -1,4 +1,5 @@
 [iframe_sandbox_popups_escaping-3.html]
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index f4f994c5d6f..7a36937927c 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-3.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 00000000000..a9677391662
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,4 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-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/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index dbec6f2c2ff..450c88bd32b 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -3,3 +3,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
index 5ddb9bfeff6..a1effd5f801 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
@@ -1,10 +1,9 @@
 [promise-job-entry.html]
-  expected: TIMEOUT
   [Fulfillment handler on fulfilled promise]
     expected: FAIL
 
   [Rejection handler on pending-then-rejected promise]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Sanity check: this all works as expected with no promises involved]
     expected: FAIL
@@ -16,5 +15,5 @@
     expected: FAIL
 
   [Fulfillment handler on pending-then-fulfilled promise]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
@@ -0,0 +1,5 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT
+
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
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/018.html.ini
@@ -0,0 +1,5 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 00000000000..80f9a4f15b8
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index 7248ba77bd5..00000000000
--- a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 9774a7b98a0..ddf99ea885c 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -308178,11 +308178,11 @@
       []
      ],
      "range-percent-intrinsic-size-2-ref.html": [
-      "9a6e9287d96089912d00684166494e5dcb902b40",
+      "d98c8220164bcb92ada82f9799ba4da0e6425ea7",
       []
      ],
      "range-percent-intrinsic-size-2a-ref.html": [
-      "9aab2aede09aaaea2acb3fd5e3e98a6e70286fb3",
+      "11afa34a654ec071c00971b11a2261ff95397904",
       []
      ],
      "slice-intrinsic-size-ref.html": [
@@ -360345,6 +360345,12 @@
      ]
     }
    },
+   "webcodecs": {
+    "pattern.png": [
+     "85676f29ff5806a32ac6713e601fdcb71dd03777",
+     []
+    ]
+   },
    "webdriver": {
     "META.yml": [
      "a397b497c32234d3889c738f51b96a3ba3b2a96f",
@@ -476796,6 +476802,15 @@
        "testdriver": true
       }
      ]
+    ],
+    "select-event-drag-remove.html": [
+     "f5c2e702e5783e3f9067c7735ab02f905d3de69b",
+     [
+      null,
+      {
+       "testdriver": true
+      }
+     ]
     ]
    },
    "installedapp": {
@@ -478383,7 +478398,7 @@
        ]
       ],
       "mpadded-002.html": [
-       "d376bd3da1f60d3f4c7e7b9294095e35598f853a",
+       "a5f77523e15ae745b57c1a355274554802dfc8cb",
        [
         null,
         {}
@@ -510079,7 +510094,7 @@
       ]
      ],
      "bad-underlying-sinks.any.js": [
-      "cf04e01b0c0c4daa0b193e46fee6583c0ed7cba1",
+      "0bfc036246a8709bd14117b252c1d186b8d8df0d",
       [
        null,
        {
@@ -524300,6 +524315,13 @@
     ]
    },
    "webcodecs": {
+    "video-encoder.html": [
+     "ce03f058f78ec551afc8024203f633e64cb1a29f",
+     [
+      null,
+      {}
+     ]
+    ],
     "video-track-reader.html": [
      "087e0bb935b6033876c9b7eed10274bab02d8910",
      [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
similarity index 67%
rename from tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
rename to tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
index f29da48a2a0..4bfb0c2053a 100644
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-003.html]
+[hit-test-floats-004.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
deleted file mode 100644
index 4c79907309b..00000000000
--- a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    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/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 0153e7e48ff..9b3ae5fc67c 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,12 +312,6 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
@@ -333,3 +327,12 @@
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+    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 b2ffc8abf78..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 error]
-    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 70efd28ddfc..3f0c77d1871 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 +11,9 @@
   [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%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
+  [X-Content-Type-Options%3A%20%22nosniFF%22]
+    expected: FAIL
+
+  [X-Content-Type-Options%3A%20%2Cnosniff]
     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/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
new file mode 100644
index 00000000000..735a9a75a2a
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
@@ -0,0 +1,2 @@
+[cross-origin-objects-on-new-window.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
index 16fa2c5cfc1..dec4c579137 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
@@ -1,4 +1,5 @@
 [creating_browsing_context_test_01.html]
+  expected: TIMEOUT
   [first argument: absolute url]
-    expected: FAIL
+    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 2532dceabac..442db3cb549 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
@@ -1,5 +1,4 @@
 [embedded-opener-remove-frame.html]
-  expected: CRASH
   [opener and "removed" embedded documents]
     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 f1aa94c7ced..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
 
@@ -7,14 +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: NOTRUN
-
-  [Non-HTMLElement should not support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
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 f6a7aca3306..5f60c78e73c 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
@@ -1,5 +1,6 @@
 [iframe_sandbox_popups_escaping-3.html]
   type: testharness
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index e440b1e38c6..dc856a3d5a3 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 00000000000..a9677391662
--- /dev/null
+++ b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,4 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/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/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index 0cef5158fae..01f7b72cbe7 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -4,3 +4,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini b/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
index 5ddb9bfeff6..a1effd5f801 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html.ini
@@ -1,10 +1,9 @@
 [promise-job-entry.html]
-  expected: TIMEOUT
   [Fulfillment handler on fulfilled promise]
     expected: FAIL
 
   [Rejection handler on pending-then-rejected promise]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Sanity check: this all works as expected with no promises involved]
     expected: FAIL
@@ -16,5 +15,5 @@
     expected: FAIL
 
   [Fulfillment handler on pending-then-fulfilled promise]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/webmessaging/without-ports/017.html.ini b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
@@ -0,0 +1,5 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
@@ -0,0 +1,5 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 00000000000..80f9a4f15b8
--- /dev/null
+++ b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2-ref.html b/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2-ref.html
index 9a6e9287d96..d98c8220164 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2-ref.html
@@ -56,7 +56,7 @@ input[orient="vertical"] {
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
@@ -78,7 +78,7 @@ input[orient="vertical"] {
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
@@ -103,7 +103,7 @@ input[orient="vertical"] {
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
@@ -125,7 +125,7 @@ input[orient="vertical"] {
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2a-ref.html b/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2a-ref.html
index 9aab2aede09..11afa34a654 100644
--- a/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2a-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-sizing/range-percent-intrinsic-size-2a-ref.html
@@ -47,7 +47,7 @@ div {
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
@@ -67,7 +67,7 @@ div {
   <input type="range" class="mb" orient="vertical">
 </div></div>
 
-<div class="grid" style="grid: min-content / auto">
+<div class="grid" style="grid: minmax(min-content,30px) / auto">
   <input type="range" class="b" orient="vertical" style="height:50%; grid-area:1/1">
   <input type="range" class="b" orient="vertical" style="visibility:hidden; grid-area:1/1">
 </div>
diff --git a/tests/wpt/web-platform-tests/input-events/select-event-drag-remove.html b/tests/wpt/web-platform-tests/input-events/select-event-drag-remove.html
new file mode 100644
index 00000000000..f5c2e702e57
--- /dev/null
+++ b/tests/wpt/web-platform-tests/input-events/select-event-drag-remove.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Drag select triggers the right event, and doesn't crash if it removes the target while at it</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1386418">
+<style>
+  input {
+    border: 0;
+    padding: 0;
+    font: 16px/1 monospace;
+  }
+</style>
+<input type="text" value="Drag select to crash">
+<script>
+async_test(t => {
+  let input = document.querySelector("input");
+  input.addEventListener("select", t.step_func(function() {
+    input.remove();
+    requestAnimationFrame(() => requestAnimationFrame(() => t.done()));
+  }));
+  new test_driver.Actions()
+      .pointerMove(0, 0, { origin: input })
+      .pointerDown()
+      .pointerMove(40, 0, { origin: input })
+      .pointerUp()
+      .send();
+}, "Drag and remove from the select event doesn't crash");
+</script>
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/mpadded/mpadded-002.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/mpadded/mpadded-002.html
index d376bd3da1f..a5f77523e15 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/mpadded/mpadded-002.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/mpadded/mpadded-002.html
@@ -48,8 +48,8 @@
 
     test(function() {
       var mpadded = getBox("percentages");
-      assert_equals(mpadded.width, contentWidth / 2, "width");
-      assert_approx_equals(getBox("baseline").bottom - mpadded.top, contentHeight / 3, epsilon, "height");
+      assert_equals(mpadded.width, contentWidth, "width");
+      assert_approx_equals(getBox("baseline").bottom - mpadded.top, contentHeight, epsilon, "height");
       assert_approx_equals(mpadded.bottom - getBox("baseline").bottom, contentDepth, epsilon, "depth");
     }, "Percentage calculation for width, height and depth");
 
@@ -133,7 +133,7 @@ div.shrink-wrap {
       <mpadded id="height0" height="25px"><mspace width="100px" depth="125px" height="150px" style="background: black; opacity: .5"/></mpadded>
       <mpadded id="height1" height="50px"><mspace width="100px" depth="125px" height="150px" style="background: black; opacity: .5"/></mpadded>
       <mpadded id="height2" height="75px"><mspace width="100px" depth="125px" height="150px" style="background: black; opacity: .5"/></mpadded>
-      <mpadded id="percentages" width="50%" height="33%" depth="100%"><mspace width="100px" depth="125px" height="150px" style="background: black; opacity: .5"/></mpadded>
+      <mpadded id="percentages" width="50%" height="33%" depth="10%"><mspace width="100px" depth="125px" height="150px" style="background: black; opacity: .5"/></mpadded>
     </math>
   </p>
   <p>
diff --git a/tests/wpt/web-platform-tests/streams/writable-streams/bad-underlying-sinks.any.js b/tests/wpt/web-platform-tests/streams/writable-streams/bad-underlying-sinks.any.js
index cf04e01b0c0..0bfc036246a 100644
--- a/tests/wpt/web-platform-tests/streams/writable-streams/bad-underlying-sinks.any.js
+++ b/tests/wpt/web-platform-tests/streams/writable-streams/bad-underlying-sinks.any.js
@@ -157,6 +157,24 @@ promise_test(t => {
 
 }, 'write: returning a rejected promise (second write) should cause writer write() and ready to reject');
 
+test(() => {
+  assert_throws_js(TypeError, () => new WritableStream({
+    start: 'test'
+  }), 'constructor should throw');
+}, 'start: non-function start method');
+
+test(() => {
+  assert_throws_js(TypeError, () => new WritableStream({
+    write: 'test'
+  }), 'constructor should throw');
+}, 'write: non-function write method');
+
+test(() => {
+  assert_throws_js(TypeError, () => new WritableStream({
+    close: 'test'
+  }), 'constructor should throw');
+}, 'close: non-function close method');
+
 test(() => {
   assert_throws_js(TypeError, () => new WritableStream({
     abort: { apply() {} }
diff --git a/tests/wpt/web-platform-tests/webcodecs/pattern.png b/tests/wpt/web-platform-tests/webcodecs/pattern.png
new file mode 100644
index 00000000000..85676f29ff5
Binary files /dev/null and b/tests/wpt/web-platform-tests/webcodecs/pattern.png differ
diff --git a/tests/wpt/web-platform-tests/webcodecs/video-encoder.html b/tests/wpt/web-platform-tests/webcodecs/video-encoder.html
new file mode 100644
index 00000000000..ce03f058f78
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webcodecs/video-encoder.html
@@ -0,0 +1,139 @@
+<!DOCTYPE html>
+<html>
+<title>Test the VideoTrackReader API.</title>
+<body>
+  <img id='frame_image' src="pattern.png">
+</body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/media.js"></script>
+<script>
+
+async function generateBitmap(width, height) {
+  return createImageBitmap(document.getElementById('frame_image'),
+                                  { resizeWidth: width,
+                                    resizeHeight: height });
+}
+
+async function createVideoFrame(width, height, timestamp) {
+  let bitmap = await generateBitmap(width, height);
+  return new VideoFrame(bitmap, { timestamp: timestamp });
+}
+
+// Calls done after giving async output/error callbacks a final chance to run.
+async function asyncDone(test) {
+  test.step_timeout(test.done.bind(test), 0);
+}
+
+async_test(async (t) => {
+  // VideoEncoderInit lacks required fields.
+  assert_throws_js(TypeError, () => { new VideoEncoder({}); });
+
+  // VideoEncoderInit has required fields.
+  let encoder = new VideoEncoder({
+    output(chunk) { assert_unreached("Unexpected output");  },
+    error(error) { assert_unreached("Unexpected error:" + error); },
+  });
+  encoder.close();
+
+  asyncDone(t);
+}, 'Test VideoEncoder construction');
+
+async_test(async (t) => {
+  let encoder = new VideoEncoder({
+    output(chunk) { assert_unreached("Unexpected output");  },
+    error(error) { assert_unreached("Unexpected error:" + error); },
+  });
+
+  const requiredConfigPairs = {
+    codec: 'vp8',
+    framerate: 25,
+    width: 640,
+    height: 480
+  };
+  let incrementalConfig = {};
+
+  for (let key in requiredConfigPairs) {
+    // Configure  should fail while required keys are missing.
+    assert_throws_js(TypeError, () => { encoder.configure(incrementalConfig); });
+    incrementalConfig[key] = requiredConfigPairs[key];
+  }
+
+  // Configure should pass once incrementalConfig meets all requirements.
+  encoder.configure(incrementalConfig);
+
+  encoder.configure(incrementalConfig);
+
+  encoder.close();
+
+  asyncDone(t);
+}, 'Test VideoEncoder.configure()');
+
+async_test(async (t) => {
+  let encoder = new VideoEncoder({
+    output(chunk) { assert_unreached("Unexpected output"); },
+    error(error) { assert_unreached("Unexpected error:" + error); },
+  });
+
+  let videoFrame = await createVideoFrame(640, 480, 0);
+
+  assert_throws_dom('InvalidStateError',
+                    () => { encoder.encode(videoFrame); },
+                    'first encode');
+
+  // Once more for good measure.
+  assert_throws_dom('InvalidStateError',
+                    () => { encoder.encode(videoFrame); },
+                    'second encode');
+
+  encoder.close();
+
+  asyncDone(t);
+}, 'Test encode() before configure() throws InvalidStateError.');
+
+async_test(async (t) => {
+  let output_chunks = [];
+  let encoder = new VideoEncoder({
+    output(chunk) { output_chunks.push(chunk); },
+    error(error) { assert_unreached("Unexpected error:" + error); },
+  });
+
+  // No encodes yet.
+  assert_equals(encoder.encodeQueueSize, 0);
+
+  const config = {
+    codec: 'vp8',
+    framerate: 25,
+    width: 640,
+    height: 480
+  };
+  encoder.configure(config);
+
+  // Still no encodes.
+  assert_equals(encoder.encodeQueueSize, 0);
+
+  let frame1 = await createVideoFrame(640, 480, 0);
+  let frame2 = await createVideoFrame(640, 480, 33333);
+
+  encoder.encode(frame1);
+  encoder.encode(frame2);
+
+  // Could be 0, 1, or 2. We can't guarantee this check runs before the UA has
+  // processed the encodes.
+  assert_true(encoder.encodeQueueSize >= 0 && encoder.encodeQueueSize <= 2)
+
+  await encoder.flush();
+
+  // We can guarantee that all encodes are processed after a flush.
+  assert_equals(encoder.encodeQueueSize, 0);
+
+  assert_equals(output_chunks.length, 2);
+  assert_equals(output_chunks[0].timestamp, frame1.timestamp);
+  assert_equals(output_chunks[1].timestamp, frame2.timestamp);
+
+  encoder.close();
+
+  asyncDone(t);
+}, 'Test successful configure(), encode(), and flush()');
+</script>
+</html>