diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index f5ac825eb8d..0674499a11c 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -113925,6 +113925,42 @@
      {}
     ]
    ],
+   "css/css-contain/contain-size-replaced-004.html": [
+    [
+     "css/css-contain/contain-size-replaced-004.html",
+     [
+      [
+       "/css/css-contain/contain-size-replaced-004-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-contain/contain-size-replaced-005.html": [
+    [
+     "css/css-contain/contain-size-replaced-005.html",
+     [
+      [
+       "/css/css-contain/contain-size-replaced-005-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-contain/contain-size-replaced-006.html": [
+    [
+     "css/css-contain/contain-size-replaced-006.html",
+     [
+      [
+       "/css/css-contain/contain-size-replaced-006-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-contain/contain-size-scrollbars-001.html": [
     [
      "css/css-contain/contain-size-scrollbars-001.html",
@@ -121725,6 +121761,18 @@
      {}
     ]
    ],
+   "css/css-flexbox/percentage-heights-006.html": [
+    [
+     "css/css-flexbox/percentage-heights-006.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-flexbox/percentage-size-subitems-001.html": [
     [
      "css/css-flexbox/percentage-size-subitems-001.html",
@@ -244230,6 +244278,15 @@
    "css/css-contain/contain-size-replaced-003-ref.html": [
     []
    ],
+   "css/css-contain/contain-size-replaced-004-ref.html": [
+    []
+   ],
+   "css/css-contain/contain-size-replaced-005-ref.html": [
+    []
+   ],
+   "css/css-contain/contain-size-replaced-006-ref.html": [
+    []
+   ],
    "css/css-contain/contain-style-counters-ref.html": [
     []
    ],
@@ -316067,18 +316124,6 @@
      {}
     ]
    ],
-   "css/css-lists/list-and-margin-collapse-003.html": [
-    [
-     "css/css-lists/list-and-margin-collapse-003.html",
-     {}
-    ]
-   ],
-   "css/css-lists/list-and-margin-collapse-004.html": [
-    [
-     "css/css-lists/list-and-margin-collapse-004.html",
-     {}
-    ]
-   ],
    "css/css-lists/list-and-writing-mode-001.html": [
     [
      "css/css-lists/list-and-writing-mode-001.html",
@@ -406349,6 +406394,12 @@
      {}
     ]
    ],
+   "webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html": [
+    [
+     "webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html",
+     {}
+    ]
+   ],
    "webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html": [
     [
      "webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html",
@@ -408335,9 +408386,9 @@
      {}
     ]
    ],
-   "webrtc/RTCPeerConnection-onicecandidateerror.html": [
+   "webrtc/RTCPeerConnection-onicecandidateerror.https.html": [
     [
-     "webrtc/RTCPeerConnection-onicecandidateerror.html",
+     "webrtc/RTCPeerConnection-onicecandidateerror.https.html",
      {}
     ]
    ],
@@ -540796,6 +540847,30 @@
    "8cb8a8f28a1ea5c9abc0fb0bbb5d7b5805aa3b87",
    "reftest"
   ],
+  "css/css-contain/contain-size-replaced-004-ref.html": [
+   "eba5e8cb9a81b14895af3e6a9b5b2f425e23d74a",
+   "support"
+  ],
+  "css/css-contain/contain-size-replaced-004.html": [
+   "511edadc4f8f1130802b2c179448bad6e7552593",
+   "reftest"
+  ],
+  "css/css-contain/contain-size-replaced-005-ref.html": [
+   "a5328c79ac60e24fc05f8c8027247ad9fb8d619c",
+   "support"
+  ],
+  "css/css-contain/contain-size-replaced-005.html": [
+   "e889dcc903cc47f4fc59cd65ab313912b8d6e72c",
+   "reftest"
+  ],
+  "css/css-contain/contain-size-replaced-006-ref.html": [
+   "2f638d7fe428efe8f326a1ba34337853243d6937",
+   "support"
+  ],
+  "css/css-contain/contain-size-replaced-006.html": [
+   "dccb799ea87433e0442539e11c3a5934e4b59e2e",
+   "reftest"
+  ],
   "css/css-contain/contain-size-scrollbars-001.html": [
    "26f0d81da8ceac6df92325bf33d15d01c0d3d432",
    "reftest"
@@ -546616,6 +546691,10 @@
    "5f3cfeec7e026ed3100c6af37ccc12ad9a5c5258",
    "reftest"
   ],
+  "css/css-flexbox/percentage-heights-006.html": [
+   "5633dba3bdb63188d5ce10112d22b69bb5eb21a3",
+   "reftest"
+  ],
   "css/css-flexbox/percentage-size-subitems-001.html": [
    "70f3953052a3a770c6cd15ee169607a00fc452b0",
    "reftest"
@@ -556669,7 +556748,7 @@
    "reftest"
   ],
   "css/css-grid/animation/grid-template-columns-interpolation.html": [
-   "e42a4243543dc43a876724ce1f74a2c1d496c077",
+   "5da3dea6cca6fba44717efc4dcafb4a258f97679",
    "testharness"
   ],
   "css/css-grid/animation/grid-template-rows-001-ref.html": [
@@ -556681,7 +556760,7 @@
    "reftest"
   ],
   "css/css-grid/animation/grid-template-rows-interpolation.html": [
-   "3c650395df082f0240b88f5868fc10ec04960d53",
+   "c1ff70c49ec1e77ba0e794c7537ae90cd503498e",
    "testharness"
   ],
   "css/css-grid/grid-definition/fr-unit-with-percentage.html": [
@@ -559024,14 +559103,6 @@
    "ef110ca17ce04b458100ca9c7b61f71cbc7b3b67",
    "testharness"
   ],
-  "css/css-lists/list-and-margin-collapse-003.html": [
-   "78dcbc6cd4503c2dac6122809f498fbd772c3bc1",
-   "testharness"
-  ],
-  "css/css-lists/list-and-margin-collapse-004.html": [
-   "4a92f8becf204f03e865218b9d82060f83a8cf7e",
-   "testharness"
-  ],
   "css/css-lists/list-and-writing-mode-001.html": [
    "df54e8fb0df8146f896c2abd136d63d930d92d1c",
    "testharness"
@@ -641397,7 +641468,7 @@
    "support"
   ],
   "interfaces/speech-api.idl": [
-   "563d64cd3b7c01b7ad237fd16d1db57657931cd6",
+   "2ed9c2ce8b81756091267843bbe55708c6ecc86c",
    "support"
   ],
   "interfaces/storage.idl": [
@@ -655329,7 +655400,7 @@
    "testharness"
   ],
   "pointerlock/movementX_Y_basic.html": [
-   "b09d896ecfb90eea17c294c77582ba53b07283da",
+   "a317130190ae46a59b89d63ac2c9717c12a8fbc5",
    "testharness"
   ],
   "pointerlock/movementX_Y_no-jumps-manual.html": [
@@ -682921,7 +682992,7 @@
    "support"
   ],
   "url/resources/setters_tests.json": [
-   "db23d9247328009772b3cdc9eb161f9787304857",
+   "0b4f6b67387c22879b1f2a03ed4d5d3c1d440d26",
    "support"
   ],
   "url/resources/toascii.json": [
@@ -685824,6 +685895,10 @@
    "bbda190f099e4e08c686bb7d2b063e753ba0f606",
    "support"
   ],
+  "webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html": [
+   "2ed076cccf758caaec1c381e89254b10ff7cd7d5",
+   "testharness"
+  ],
   "webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html": [
    "827aeeabd47962ca52ff187f770cce3deb58d077",
    "testharness"
@@ -688248,8 +688323,8 @@
    "2fd33ca541148ca6a7be5f5624e303795c7c458d",
    "testharness"
   ],
-  "webrtc/RTCPeerConnection-onicecandidateerror.html": [
-   "e06c219483eee479d3b4afe8c470c8d63953132c",
+  "webrtc/RTCPeerConnection-onicecandidateerror.https.html": [
+   "1bbb30bd575794ea5bb12bc192262a4127a6c308",
    "testharness"
   ],
   "webrtc/RTCPeerConnection-onnegotiationneeded.html": [
diff --git a/tests/wpt/metadata/css/css-flexbox/percentage-heights-006.html.ini b/tests/wpt/metadata/css/css-flexbox/percentage-heights-006.html.ini
new file mode 100644
index 00000000000..52dd6f54795
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/percentage-heights-006.html.ini
@@ -0,0 +1,2 @@
+[percentage-heights-006.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-transitions/properties-value-001.html.ini b/tests/wpt/metadata/css/css-transitions/properties-value-001.html.ini
index 130c0181e43..a426a9dffbc 100644
--- a/tests/wpt/metadata/css/css-transitions/properties-value-001.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/properties-value-001.html.ini
@@ -1079,3 +1079,9 @@
   [text-indent percentage(%) / values]
     expected: FAIL
 
+  [margin-right length(in) / values]
+    expected: FAIL
+
+  [margin-right length(cm) / values]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-001.html.ini b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-001.html.ini
index 5d20389c8e9..7f17425c4aa 100644
--- a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-001.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-001.html.ini
@@ -56,3 +56,6 @@
   [background-position length(px) / events]
     expected: FAIL
 
+  [font-size length(em) / events]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini b/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
deleted file mode 100644
index e6e1f29e274..00000000000
--- a/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[matchMedia-display-none-iframe.html]
-  expected: ERROR
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 5f4df6b4ebe..bb5d08a24ad 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -315,24 +315,27 @@
   [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: */* text/html]
     expected: FAIL
 
   [<iframe>: combined response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;x=" 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..279734168dc 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 +56,6 @@
   [separate text/javascript x/x]
     expected: FAIL
 
-  [separate text/javascript error]
+  [separate text/javascript;charset=windows-1252  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 d4ba399b762..536384f36e1 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%0C]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20'NosniFF']
+  [X-Content-Type-Options%3A%20%2Cnosniff]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
new file mode 100644
index 00000000000..51f8272a6de
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_3.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-innerwidth-innerheight.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-innerwidth-innerheight.html.ini
index bf50d59df41..e02f179ec25 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-innerwidth-innerheight.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-innerwidth-innerheight.html.ini
@@ -1,5 +1,24 @@
 [open-features-negative-innerwidth-innerheight.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: negative values for legacy `innerwidth`, `innerheight`]
     expected: FAIL
 
+  [features "innerheight=-404.5" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "innerwidth=-404.5" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "innerwidth=-404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "innerheight=-404e1" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "innerheight=-404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "innerwidth=-404e1" should NOT set "width=404"]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
index e150c9d848f..23eefb8eaf9 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-screenx-screeny.html.ini
@@ -1,5 +1,24 @@
 [open-features-negative-screenx-screeny.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: negative values for legacy `screenx`, `screeny`]
     expected: FAIL
 
+  [features "screenx=-204" should NOT set "left=204"]
+    expected: TIMEOUT
+
+  [features "screeny=-204" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "screeny=-204.5" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "screeny=-0" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "screenx=-0" should NOT set "left=204"]
+    expected: TIMEOUT
+
+  [features "screenx=-204.5" should NOT set "left=204"]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-top-left.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-top-left.html.ini
index ad8840fbb68..940516ddd33 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-top-left.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-top-left.html.ini
@@ -1,5 +1,24 @@
 [open-features-negative-top-left.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: negative values for `top`, `left`]
     expected: FAIL
 
+  [features "top=-204" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "top=-204.5" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "left=-204" should NOT set "left=204"]
+    expected: TIMEOUT
+
+  [features "top=-0" should NOT set "top=204"]
+    expected: TIMEOUT
+
+  [features "left=-204.5" should NOT set "left=204"]
+    expected: TIMEOUT
+
+  [features "left=-0" should NOT set "left=204"]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-width-height.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-width-height.html.ini
index d1ed9088b2b..9027336b453 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-width-height.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-negative-width-height.html.ini
@@ -1,5 +1,24 @@
 [open-features-negative-width-height.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: negative values for `width`, `height`]
     expected: FAIL
 
+  [features "height=-404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "height=-404e1" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "height=-404.5" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "width=-404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "width=-404e1" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "width=-404.5" should NOT set "width=404"]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-height.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-height.html.ini
index a70e9dbad4d..4e44584b123 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-height.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-height.html.ini
@@ -1,32 +1,48 @@
 [open-features-non-integer-height.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for feature `height`]
     expected: FAIL
 
   [features "height=405*3" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405.32" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405e1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405/5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405^4" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405.5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405e-1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405  " should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "height=405LLl" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "height=/404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [top=0,left=0,width=401,: absence of feature "height" should be treated same as "height=0"]
+    expected: TIMEOUT
+
+  [top=0,left=0: absence of feature "height" should be treated same as "height=0"]
+    expected: TIMEOUT
+
+  [features "height=_404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "height=L404" should NOT set "height=404"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerheight.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerheight.html.ini
index 779531b4a98..fcaeae5336d 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerheight.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerheight.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-innerheight.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for legacy feature `innerheight`]
     expected: FAIL
 
   [features "innerheight=405e-1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405LLl" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405^4" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405e1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405  " should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405/5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405.32" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405.5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerheight=405*3" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "innerheight=_404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "innerheight=L404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "innerheight=/404" should NOT set "height=404"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html.ini
index 7a1b258d52e..42327fedd27 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-innerwidth.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for legacy feature `innerwidth`]
     expected: FAIL
 
   [features "innerwidth=405e-1" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405*3" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405.5" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405e1" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405.32" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405  " should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405LLl" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405/5" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "innerwidth=405^4" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "innerwidth=/404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "innerwidth=_404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "innerwidth=L404" should NOT set "width=404"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-left.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-left.html.ini
index caba4124f0b..a8e4fe06618 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-left.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-left.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-left.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for feature `left`]
     expected: FAIL
 
   [features "left=105e1" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105  " should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105/5" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105e-1" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105^4" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105LLl" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105.32" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105*3" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "left=105.5" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "left=L104" should NOT set "left=104"]
+    expected: TIMEOUT
+
+  [features "left=/104" should NOT set "left=104"]
+    expected: TIMEOUT
+
+  [features "left=_104" should NOT set "left=104"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screenx.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screenx.html.ini
index 9ace8a4cbdb..64a08faf0e6 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screenx.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screenx.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-screenx.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for legacy feature `screenx`]
     expected: FAIL
 
   [features "screenx=105.5" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105e1" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105  " should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105*3" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105e-1" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105^4" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105LLl" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105/5" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screenx=105.32" should set "left=105"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "screenx=_104" should NOT set "left=104"]
+    expected: TIMEOUT
+
+  [features "screenx=L104" should NOT set "left=104"]
+    expected: TIMEOUT
+
+  [features "screenx=/104" should NOT set "left=104"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screeny.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screeny.html.ini
index a82bd0f981a..4f22ef4ef29 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screeny.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-screeny.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-screeny.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for legacy feature `screeny`]
     expected: FAIL
 
   [features "screeny=405^4" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405e-1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405LLl" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405e1" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405  " should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405/5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405*3" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405.32" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "screeny=405.5" should set "height=405"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "screeny=_404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "screeny=L404" should NOT set "height=404"]
+    expected: TIMEOUT
+
+  [features "screeny=/404" should NOT set "height=404"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-top.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-top.html.ini
index 10f617db69e..8540f53d8d6 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-top.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-top.html.ini
@@ -1,32 +1,42 @@
 [open-features-non-integer-top.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for feature `top`]
     expected: FAIL
 
   [features "top=105/5" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105*3" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105LLl" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105e-1" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105.32" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105e1" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105  " should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105^4" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "top=105.5" should set "top=105"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [features "top=/104" should NOT set "top=104"]
+    expected: TIMEOUT
+
+  [features "top=_104" should NOT set "top=104"]
+    expected: TIMEOUT
+
+  [features "top=L104" should NOT set "top=104"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-width.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-width.html.ini
index 28f93ee71b5..9d841e61bc0 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-width.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-width.html.ini
@@ -1,32 +1,48 @@
 [open-features-non-integer-width.html]
   type: testharness
+  expected: TIMEOUT
   [HTML: window.open `features`: non-integer values for feature `width`]
     expected: FAIL
 
   [features "width=405^4" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405.5" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405e1" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405  " should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405.32" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405LLl" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405*3" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405e-1" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
 
   [features "width=405/5" should set "width=405"]
-    expected: FAIL
+    expected: TIMEOUT
+
+  [top=0,left=0: absence of feature "width" should be treated same as "width=0"]
+    expected: TIMEOUT
+
+  [features "width=_404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [top=0,left=0,height=401,: absence of feature "width" should be treated same as "width=0"]
+    expected: TIMEOUT
+
+  [features "width=/404" should NOT set "width=404"]
+    expected: TIMEOUT
+
+  [features "width=L404" should NOT set "width=404"]
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-submission-algorithm.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-submission-algorithm.html.ini
index 127392316de..702af61a3c4 100644
--- a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-submission-algorithm.html.ini
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-submission-algorithm.html.ini
@@ -1,7 +1,11 @@
 [form-submission-algorithm.html]
+  expected: TIMEOUT
   [If form's firing submission events is true, then return; 'submit' event]
     expected: FAIL
 
   [If form's firing submission events is true, then return; 'invalid' event]
     expected: FAIL
 
+  [Cannot navigate (after constructing the entry list)]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
new file mode 100644
index 00000000000..9e522297c94
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
@@ -0,0 +1,7 @@
+[toggleEvent.html]
+  [Calling open twice on 'details' fires only one toggle event]
+    expected: FAIL
+
+  [Setting open=true to opened 'details' element should not fire a toggle event at the 'details' element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/resource_TAO_origin.htm.ini b/tests/wpt/metadata/resource-timing/resource_TAO_origin.htm.ini
index 5a549d938b6..5c59982f790 100644
--- a/tests/wpt/metadata/resource-timing/resource_TAO_origin.htm.ini
+++ b/tests/wpt/metadata/resource-timing/resource_TAO_origin.htm.ini
@@ -11,3 +11,6 @@
   [The iframe should have one resource timing entry.]
     expected: FAIL
 
+  [responseEnd should not be 0 in timing-allow cross-origin request.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/resource_TAO_zero.htm.ini b/tests/wpt/metadata/resource-timing/resource_TAO_zero.htm.ini
index 494f0d4a752..aa36a14c6a6 100644
--- a/tests/wpt/metadata/resource-timing/resource_TAO_zero.htm.ini
+++ b/tests/wpt/metadata/resource-timing/resource_TAO_zero.htm.ini
@@ -20,3 +20,6 @@
   [domainLookupStart should be 0 in cross-origin request.]
     expected: FAIL
 
+  [responseEnd should be greater than 0 in cross-origin request.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/url/url-setters.html.ini b/tests/wpt/metadata/url/url-setters.html.ini
index b33b1118516..0e3dd0c62f9 100644
--- a/tests/wpt/metadata/url/url-setters.html.ini
+++ b/tests/wpt/metadata/url/url-setters.html.ini
@@ -1047,3 +1047,9 @@
   [<a>: Setting <a://example.net>.protocol = 'bé' Non-ASCII is rejected]
     expected: FAIL
 
+  [<area>: Setting <data:text/plain,Stuff>.host = 'example.net' Cannot-be-a-base means no host]
+    expected: FAIL
+
+  [<area>: Setting <data:text/plain,Stuff>.hostname = 'example.net' Cannot-be-a-base means no host]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
index 66bd350083b..a56bad443a2 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
@@ -1,4 +1,5 @@
 [realtimeanalyser-fft-scaling.html]
+  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/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 5babc864bfd..ee9c504145a 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
@@ -170,3 +170,6 @@
   [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[30\]\t9.4836157560348511e-1\t9.5236867666244507e-1\t4.0071010589599609e-3\t4.2075103446311962e-3\t3.8985999999999999e-3\n\t[31\]\t9.2646563053131104e-1\t9.3139332532882690e-1\t4.9276947975158691e-3\t5.2906700783754857e-3\t3.8985999999999999e-3\n\t[32\]\t9.0087991952896118e-1\t9.0675884485244751e-1\t5.8789253234863281e-3\t6.4834496590358351e-3\t3.8985999999999999e-3\n\t[33\]\t8.7170630693435669e-1\t8.7856203317642212e-1\t6.8557262420654297e-3\t7.8033490899654511e-3\t3.8985999999999999e-3\n\t[34\]\t8.3906102180480957e-1\t8.4691369533538818e-1\t7.8526735305786133e-3\t9.2721059699818163e-3\t3.8985999999999999e-3\n\t...and 31037 more errors.\n\tMax AbsError of 8.8099737698276448e+8 at index of 39267.\n\t[39267\]\t8.8099737600000000e+8\t-9.8276454210281372e-1\t8.8099737698276448e+8\t8.9644806994939113e+8\t3.8985999999999999e-3\n\tMax RelError of 1.7257971997243075e+9 at index of 20238.\n\t[20238\]\t8.2104729600000000e+8\t-4.7574958205223083e-1\t8.2104729647574961e+8\t1.7257971997243075e+9\t3.8985999999999999e-3\n]
     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[30\]\t9.4836157560348511e-1\t9.5236867666244507e-1\t4.0071010589599609e-3\t4.2075103446311962e-3\t3.8985999999999999e-3\n\t[31\]\t9.2646563053131104e-1\t9.3139332532882690e-1\t4.9276947975158691e-3\t5.2906700783754857e-3\t3.8985999999999999e-3\n\t[32\]\t9.0087991952896118e-1\t9.0675884485244751e-1\t5.8789253234863281e-3\t6.4834496590358351e-3\t3.8985999999999999e-3\n\t[33\]\t8.7170630693435669e-1\t8.7856203317642212e-1\t6.8557262420654297e-3\t7.8033490899654511e-3\t3.8985999999999999e-3\n\t[34\]\t8.3906102180480957e-1\t8.4691369533538818e-1\t7.8526735305786133e-3\t9.2721059699818163e-3\t3.8985999999999999e-3\n\t...and 31037 more errors.\n\tMax AbsError of 9.8276454210281350e-1 at index of 39267.\n\t[39267\]\t-2.5252847366376632e-16\t-9.8276454210281372e-1\t9.8276454210281350e-1\t9.9999999999999978e-1\t3.8985999999999999e-3\n\tMax RelError of 3.3137802965303198e+0 at index of 1253.\n\t[1253\]\t-4.3022233992815018e-2\t-9.9732093513011932e-3\t3.3049024641513824e-2\t3.3137802965303198e+0\t3.8985999999999999e-3\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html.ini
new file mode 100644
index 00000000000..f6f20255f49
--- /dev/null
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html.ini
@@ -0,0 +1,5 @@
+[set-target-conv.html]
+  expected: ERROR
+  [X src = new ConstantSourceNode(context) incorrectly threw ReferenceError: "ConstantSourceNode is not defined".]
+    expected: FAIL
+
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-contain/contain-size-replaced-004-ref.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-004-ref.html
new file mode 100644
index 00000000000..eba5e8cb9a8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-004-ref.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Reference: Size containment replaced elements intrinsic size</title>
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    width: 0px;
+    height: 0px;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-004.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-004.html
new file mode 100644
index 00000000000..511edadc4f8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-004.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Size containment replaced elements intrinsic size</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
+<link rel="match" href="contain-size-replaced-004-ref.html">
+<meta name=assert content="This test checks that intrinsic size of replaced elements with 'contain: size' is zero.">
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    width: min-content;
+    height: min-content;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005-ref.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005-ref.html
new file mode 100644
index 00000000000..a5328c79ac6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005-ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Reference: Size containment replaced elements intrinsic size</title>
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    position: absolute;
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    width: 0px;
+    height: 0px;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005.html
new file mode 100644
index 00000000000..e889dcc903c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-005.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Size containment replaced elements intrinsic size</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
+<link rel="match" href="contain-size-replaced-005-ref.html">
+<meta name=assert content="This test checks that intrinsic size of out-of-flow replaced elements with 'contain: size' is zero.">
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    position: absolute;
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    width: min-content;
+    height: min-content;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006-ref.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006-ref.html
new file mode 100644
index 00000000000..2f638d7fe42
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006-ref.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Reference: Size containment replaced elements intrinsic size</title>
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    width: 25px;
+    height: 35px;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006.html
new file mode 100644
index 00000000000..dccb799ea87
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-replaced-006.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Size containment replaced elements intrinsic size</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
+<link rel="match" href="contain-size-replaced-006-ref.html">
+<meta name=assert content="This test checks that min-width/min-height of replaced elements with 'contain: size' works.">
+<style>
+  body > div, video, audio, img, canvas, svg, iframe {
+    border: 3px solid orange;
+    contain: size;
+    margin-bottom: 15px;
+    min-width: 25px;
+    min-height: 35px;
+    width: min-content;
+    height: min-content;
+    float: left;
+    clear: both;
+  }
+</style>
+<div>abc</div>
+<video></video><br>
+<video controls></video><br>
+<img src="../support/60x60-green.png"><br>
+<picture>
+<source srcset="../support/60x60-green.png">
+    <img>
+</picture><br>
+<canvas></canvas><br>
+<svg></svg><br>
+<iframe></iframe>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/percentage-heights-006.html b/tests/wpt/web-platform-tests/css/css-flexbox/percentage-heights-006.html
new file mode 100644
index 00000000000..5633dba3bdb
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/percentage-heights-006.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<title>Definite cross sizes</title>
+<link rel="author" title="David Grogan" href="mailto:dgrogan@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#definite-sizes">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
+<meta name="flags" content="" />
+<meta name="assert" content="In a column flexbox, the height of a fully inflexible item with fixed flex-basis is definite, and percent children resolve against the flex basis, not the specified height." />
+
+<style>
+x-flexbox {
+  display: flex;
+  flex-direction: column;
+}
+
+x-item {
+  height: 0px;
+  flex: 0 0 100px;
+}
+
+x-item>div {
+  width: 100px;
+  height: 100%;
+  background: green;
+}
+
+#reference-overlapped-red {
+  position: absolute;
+  background-color: red;
+  width: 100px;
+  height: 100px;
+  z-index: -1;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+
+<div id="reference-overlapped-red"></div>
+
+<x-flexbox>
+  <x-item>
+    <div></div>
+  </x-item>
+</x-flexbox>
diff --git a/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-columns-interpolation.html b/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-columns-interpolation.html
index e42a4243543..5da3dea6cca 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-columns-interpolation.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-columns-interpolation.html
@@ -118,6 +118,7 @@
       ]);
 
       // Exercise <track-list> (with <track-repeat>)
+      // https://drafts.csswg.org/css-grid/#repeat-interpolation
       test_no_interpolation({
         property: 'grid-template-columns',
         from: "1fr repeat(2, 2fr 30px) 1fr",
@@ -130,18 +131,11 @@
         to: "2fr repeat(3, 3fr 40px) 2fr"
       });
 
-      test_interpolation({
+      test_no_interpolation({
         property: 'grid-template-columns',
         from: "repeat(2, 2fr 30px)",
         to: "repeat(4, 40px)"
-      }, [
-        {at: -1, expect: "2fr 20px 2fr 20px"},
-        {at: 0, expect: "repeat(2, 2fr 30px)"},
-        {at: 0.4, expect: "2fr 34px 2fr 34px"},
-        {at: 0.6, expect: "40px 36px 40px 36px"},
-        {at: 1, expect: "repeat(4, 40px)"},
-        {at: 2, expect: "40px 50px 40px 50px"}
-      ]);
+      });
 
       test_interpolation({
         property: 'grid-template-columns',
diff --git a/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-rows-interpolation.html b/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-rows-interpolation.html
index 3c650395df0..c1ff70c49ec 100644
--- a/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-rows-interpolation.html
+++ b/tests/wpt/web-platform-tests/css/css-grid/animation/grid-template-rows-interpolation.html
@@ -118,6 +118,7 @@
       ]);
 
       // Exercise <track-list> (with <track-repeat>)
+      // https://drafts.csswg.org/css-grid/#repeat-interpolation
       test_no_interpolation({
         property: 'grid-template-rows',
         from: "1fr repeat(2, 2fr 30px) 1fr",
@@ -130,18 +131,12 @@
         to: "2fr repeat(3, 3fr 40px) 2fr"
       });
 
-      test_interpolation({
+      // See https://github.com/w3c/csswg-drafts/issues/3503
+      test_no_interpolation({
         property: 'grid-template-rows',
         from: "repeat(2, 2fr 30px)",
         to: "repeat(4, 40px)"
-      }, [
-        {at: -1, expect: "2fr 20px 2fr 20px"},
-        {at: 0, expect: "repeat(2, 2fr 30px)"},
-        {at: 0.4, expect: "2fr 34px 2fr 34px"},
-        {at: 0.6, expect: "40px 36px 40px 36px"},
-        {at: 1, expect: "repeat(4, 40px)"},
-        {at: 2, expect: "40px 50px 40px 50px"}
-      ]);
+      });
 
       test_interpolation({
         property: 'grid-template-rows',
diff --git a/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-003.html b/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-003.html
deleted file mode 100644
index 78dcbc6cd45..00000000000
--- a/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-003.html
+++ /dev/null
@@ -1,39 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>CSS Lists: test the margin collapse of marker</title>
-<link rel=help href="https://www.w3.org/TR/CSS22/generate.html#lists">
-<link rel="help" href="http://crbug.com/969741">
-
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-
-<style type="text/css">
-.checkbox{
-  -moz-appearance: checkbox;
-  -webkit-appearance: checkbox;
-  height: 0px;
-}
-</style>
-
-<div id="log"></div>
-
-<div id="target_with_marker" style="overflow:hidden; width:100px;">
-  <div style="margin-bottom:100px;"></div>
-  <div style="display:list-item; margin-left:100px; height:0px;"><div class="checkbox"></div></div>
-  <div style="margin-top:100px;"></div>
-</div>
-
-<div id="target_without_marker" style="overflow:hidden; width:100px;">
-  <div style="margin-bottom:100px;"></div>
-  <div style="display:list-item; margin-left:100px; list-style:none;"><div class="checkbox"></div></div>
-  <div style="margin-top:100px;"></div>
-</div>
-
-<script>
-test(function() {
-  var height_with_marker = document.getElementById("target_with_marker").clientHeight;
-  assert_equals(height_with_marker, 200, "Should not allow margin-collapsing through if list is with marker.");
-  var height_without_marker = document.getElementById("target_without_marker").clientHeight;
-  assert_equals(height_without_marker, 100, "Should allow margin-collapsing through if list is without marker.");
-}, "list and margin collapse");
-</script>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-004.html b/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-004.html
deleted file mode 100644
index 4a92f8becf2..00000000000
--- a/tests/wpt/web-platform-tests/css/css-lists/list-and-margin-collapse-004.html
+++ /dev/null
@@ -1,23 +0,0 @@
-<!DOCTYPE html>
-<title>Test if it doesn't crash when resolving BFC block-offset abort</title>
-<link rel=help href="https://www.w3.org/TR/CSS22/generate.html#lists">
-<link rel="help" href="http://crbug.com/969741">
-
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<style type="text/css">
-#checkbox{
-  -moz-appearance: checkbox;
-  -webkit-appearance: checkbox;
-  height: 0px;
-}
-</style>
-<body>
-  <div style="float: left; width: 100px; height: 100px;"></div>
-  <div style="display: list-item;">
-    <div id="checkbox"></div>
-  </div>
-<script>
-test(() => {}, "Layout should not crash");
-</script>
-</body>
diff --git a/tests/wpt/web-platform-tests/interfaces/speech-api.idl b/tests/wpt/web-platform-tests/interfaces/speech-api.idl
index 563d64cd3b7..2ed9c2ce8b8 100644
--- a/tests/wpt/web-platform-tests/interfaces/speech-api.idl
+++ b/tests/wpt/web-platform-tests/interfaces/speech-api.idl
@@ -90,7 +90,7 @@ dictionary SpeechRecognitionEventInit : EventInit {
 };
 
 // The object representing a speech grammar
-[Exposed=Window, Constructor]
+[Exposed=Window]
 interface SpeechGrammar {
     attribute DOMString src;
     attribute float weight;
diff --git a/tests/wpt/web-platform-tests/pointerlock/movementX_Y_basic.html b/tests/wpt/web-platform-tests/pointerlock/movementX_Y_basic.html
index b09d896ecfb..a317130190a 100644
--- a/tests/wpt/web-platform-tests/pointerlock/movementX_Y_basic.html
+++ b/tests/wpt/web-platform-tests/pointerlock/movementX_Y_basic.html
@@ -128,8 +128,8 @@
         }
 
         function run_test() {
-            x = window.innerWidth / 2;
-            y = window.innerHeight / 2;
+            x = Math.round(window.innerWidth / 2);
+            y = Math.round(window.innerHeight / 2);
             var actions = new test_driver.Actions();
             actions.pointerMove(x, y)
               .pointerDown()
diff --git a/tests/wpt/web-platform-tests/url/resources/setters_tests.json b/tests/wpt/web-platform-tests/url/resources/setters_tests.json
index db23d924732..0b4f6b67387 100644
--- a/tests/wpt/web-platform-tests/url/resources/setters_tests.json
+++ b/tests/wpt/web-platform-tests/url/resources/setters_tests.json
@@ -597,7 +597,7 @@
             }
         },
         {
-            "comment": "Cannot-be-a-base means no password",
+            "comment": "Cannot-be-a-base means no host",
             "href": "data:text/plain,Stuff",
             "new_value": "example.net",
             "expected": {
@@ -1074,7 +1074,7 @@
             }
         },
         {
-            "comment": "Cannot-be-a-base means no password",
+            "comment": "Cannot-be-a-base means no host",
             "href": "data:text/plain,Stuff",
             "new_value": "example.net",
             "expected": {
diff --git a/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html
new file mode 100644
index 00000000000..2ed076cccf7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html
@@ -0,0 +1,93 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+  <head>
+    <title>Test convergence of setTargetAtTime</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+    <script src='/webaudio/resources/audio-param.js'></script>
+  </head>
+
+  <body>
+    <script>
+      let audit = Audit.createTaskRunner();
+
+      audit.define(
+          {task: 'setTargetAtTime', label: 'convergence handled correctly'},
+          (task, should) => {
+            // Two channels:
+            //  0 - actual result
+            //  1 - expected result
+            const context = new OfflineAudioContext(
+                {numberOfChannels: 2, sampleRate: 8000, length: 8000});
+
+            const merger = new ChannelMergerNode(
+                context, {numberOfChannels: context.destination.channelCount});
+            merger.connect(context.destination);
+
+            // Construct test source that will have tha AudioParams being tested
+            // to verify that the AudioParams are working correctly.
+            let src;
+
+            should(
+                () => src = new ConstantSourceNode(context),
+                'src = new ConstantSourceNode(context)')
+                .notThrow();
+
+            src.connect(merger, 0, 0);
+            src.offset.setValueAtTime(1, 0);
+
+            const timeConstant = 0.01;
+
+            // testTime must be at least 10*timeConstant. Also, this must not
+            // lie on a render boundary.
+            const testTime = 0.15;
+            const rampEnd = testTime + 0.001;
+
+            should(
+                () => src.offset.setTargetAtTime(0.5, 0.01, timeConstant),
+                `src.offset.setTargetAtTime(0.5, 0.01, ${timeConstant})`)
+                .notThrow();
+            should(
+                () => src.offset.setValueAtTime(0.5, testTime),
+                `src.offset.setValueAtTime(0.5, ${testTime})`)
+                .notThrow();
+            should(
+                () => src.offset.linearRampToValueAtTime(1, rampEnd),
+                `src.offset.linearRampToValueAtTime(1, ${rampEnd})`)
+                .notThrow();
+
+            // The reference node that will generate the expected output.  We do
+            // the same automations, except we don't apply the setTarget
+            // automation.
+            const refSrc = new ConstantSourceNode(context);
+            refSrc.connect(merger, 0, 1);
+
+            refSrc.offset.setValueAtTime(0.5, 0);
+            refSrc.offset.setValueAtTime(0.5, testTime);
+            refSrc.offset.linearRampToValueAtTime(1, rampEnd);
+
+            src.start();
+            refSrc.start();
+
+            context.startRendering()
+                .then(audio => {
+                  const actual = audio.getChannelData(0);
+                  const expected = audio.getChannelData(1);
+
+                  // Just verify that the actual output matches the expected
+                  // starting a little bit before testTime.
+                  let testFrame =
+                      Math.floor(testTime * context.sampleRate) - 128;
+                  should(actual.slice(testFrame), `output[${testFrame}:]`)
+                      .beCloseToArray(
+                          expected.slice(testFrame),
+                          {relativeThreshold: 4.1724e-6});
+                })
+                .then(() => task.done());
+          });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.html b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.https.html
similarity index 83%
rename from tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.html
rename to tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.https.html
index e06c219483e..1bbb30bd575 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-onicecandidateerror.https.html
@@ -23,8 +23,11 @@ promise_test(async t => {
     assert_true(event.hostCandidate.includes(":"), "hostCandidate");
     assert_true(event.url.includes("123"), "url");
   });
-  const offerOptions = {offerToReceiveAudio: 1};
-  await pc.setLocalDescription(await pc.createOffer(offerOptions));
+  const stream = await getNoiseStream({audio:true});
+  t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
+  pc.addTrack(stream.getAudioTracks()[0], stream);
+
+  await pc.setLocalDescription(await pc.createOffer());
   await onErrorPromise;
 }, 'Surfacing onicecandidateerror');