From e864d8823c362bc6bd68da91e196b9966ed95489 Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Thu, 10 Oct 2019 10:25:15 +0000
Subject: [PATCH] Update web-platform-tests to revision
 7c15d5b4e87b3a20ca2bc523b33303131510bc01

---
 .../FileAPI/url/url-with-fetch.any.js.ini     |   3 -
 tests/wpt/metadata/MANIFEST.json              | 147 ++++++++----------
 .../matchMedia-display-none-iframe.html.ini   |   2 +
 ...-of-scroller-with-wider-scrollbar.html.ini |   3 +
 .../morphology-mirrored.html.ini              |   2 +
 .../fetch/content-type/response.window.js.ini |  14 +-
 .../fetch/content-type/script.window.js.ini   |   3 -
 .../traverse_the_history_5.html.ini           |   4 +
 ...s-negative-innerwidth-innerheight.html.ini |  19 +++
 ...features-negative-screenx-screeny.html.ini |  19 +++
 .../open-features-negative-top-left.html.ini  |  19 +++
 ...en-features-negative-width-height.html.ini |  19 +++
 .../open-features-non-integer-height.html.ini |  34 ++--
 ...-features-non-integer-innerheight.html.ini |  28 ++--
 ...n-features-non-integer-innerwidth.html.ini |  28 ++--
 .../open-features-non-integer-left.html.ini   |  28 ++--
 ...open-features-non-integer-screenx.html.ini |  28 ++--
 ...open-features-non-integer-screeny.html.ini |  28 ++--
 .../open-features-non-integer-top.html.ini    |  28 ++--
 .../open-features-non-integer-width.html.ini  |  34 ++--
 .../embedded-opener-remove-frame.html.ini     |   1 -
 .../skip-document-with-fragment.html.ini      |   4 -
 .../non-active-document.html.ini              |  10 --
 .../execution-timing/077.html.ini             |   4 +
 ...nested-context-navigations-iframe.html.ini |   2 +-
 .../realtimeanalyser-fft-scaling.html.ini     |   1 +
 ...ssion_immersive_unsupported.https.html.ini |   4 -
 .../css/transition_calc_implicit.html.ini     |   2 -
 .../scroll-timeline-writing-modes.https.html  |  18 +--
 tests/wpt/web-platform-tests/beacon/META.yml  |   1 -
 tests/wpt/web-platform-tests/common/README.md |   2 -
 .../css/css-flexbox/scrollbars-auto-ref.html  |   6 +-
 .../css/css-flexbox/scrollbars-ref.html       |   6 +-
 .../position-sticky-writing-modes-ref.html    |   2 +-
 .../position-sticky-writing-modes.html        |   2 +-
 .../values/shape-margin-001.html              |  12 +-
 .../values/shape-outside-circle-004.html      |  11 +-
 .../values/shape-outside-circle-005.html      |   9 +-
 .../values/shape-outside-ellipse-004.html     |  11 +-
 .../values/shape-outside-ellipse-005.html     |  10 +-
 .../values/shape-outside-inset-003.html       |  11 +-
 .../values/shape-outside-polygon-004.html     |  11 +-
 .../shape-outside-shape-arguments-000.html    |  13 +-
 .../values/support/parsing-utils.js           |  58 +++----
 ...rollIntoView-vertical-rl-writing-mode.html |  14 --
 ...Left-of-scroller-with-wider-scrollbar.html |   4 +-
 .../filter-effects/morphology-mirrored.html   |  15 ++
 tests/wpt/web-platform-tests/hr-time/META.yml |   1 -
 .../the-style-element/style-error-01.html     |   2 +-
 .../the-style-element/support}/css-red.txt    |   0
 .../support}/entities.json                    |   0
 .../support/xhtml-mathml-dtd-entity.htm       |   2 +-
 .../testdriver/actions/__dir__.ini            |   2 -
 .../navigation-timing/META.yml                |   1 -
 .../page-visibility/META.yml                  |   1 -
 .../performance-timeline/META.yml             |   1 -
 .../resource-timing/META.yml                  |   1 -
 .../current-time-writing-modes.html           |  48 +++---
 .../timing-entrytypes-registry/META.yml       |   1 -
 .../tools/ci/manifest_build.py                |  50 +++---
 .../wptrunner/wptrunner/browsers/firefox.py   |  25 ++-
 .../wptrunner/browsers/firefox_android.py     |   3 +-
 .../tools/wptrunner/wptrunner/wpttest.py      |  12 ++
 .../web-platform-tests/user-timing/META.yml   |   1 -
 ...hare-sharePromise-internal-slot.https.html |  24 +--
 ...evice_supportsSession_immersive.https.html |  15 --
 ...tsSession_immersive_unsupported.https.html |  21 ---
 ...e_supportsSession_non_immersive.https.html |  18 ---
 .../canvas-resizing-with-pbo-bound.html.ini   |   1 -
 69 files changed, 561 insertions(+), 403 deletions(-)
 create mode 100644 tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
 create mode 100644 tests/wpt/metadata/css/filter-effects/morphology-mirrored.html.ini
 create mode 100644 tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
 create mode 100644 tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/077.html.ini
 delete mode 100644 tests/wpt/metadata/webxr/xrDevice_supportsSession_immersive_unsupported.https.html.ini
 delete mode 100644 tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
 create mode 100644 tests/wpt/web-platform-tests/css/filter-effects/morphology-mirrored.html
 rename tests/wpt/web-platform-tests/{common => html/semantics/document-metadata/the-style-element/support}/css-red.txt (100%)
 rename tests/wpt/web-platform-tests/{common => html/the-xhtml-syntax/parsing-xhtml-documents/support}/entities.json (100%)
 delete mode 100644 tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini
 delete mode 100644 tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive.https.html
 delete mode 100644 tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive_unsupported.https.html
 delete mode 100644 tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_non_immersive.https.html

diff --git a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
index 6a3af4e2ece..947e223fb28 100644
--- a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
@@ -14,9 +14,6 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
-  [Revoke blob URL after calling fetch, fetch should succeed]
-    expected: FAIL
-
 
 [url-with-fetch.any.html]
   [Untitled]
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 92892d01c77..0d849f8bc85 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -178985,6 +178985,18 @@
      {}
     ]
    ],
+   "css/filter-effects/morphology-mirrored.html": [
+    [
+     "css/filter-effects/morphology-mirrored.html",
+     [
+      [
+       "/css/filter-effects/reference/green-100x100.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/filter-effects/svg-feflood-001.html": [
     [
      "css/filter-effects/svg-feflood-001.html",
@@ -213624,9 +213636,6 @@
    "common/canvas-tests.js.headers": [
     []
    ],
-   "common/css-red.txt": [
-    []
-   ],
    "common/domain-setter.sub.html": [
     []
    ],
@@ -213639,9 +213648,6 @@
    "common/echo.py": [
     []
    ],
-   "common/entities.json": [
-    []
-   ],
    "common/form-submission.py": [
     []
    ],
@@ -271419,6 +271425,9 @@
    "html/semantics/document-metadata/the-style-element/html_style_in_comment-ref.html": [
     []
    ],
+   "html/semantics/document-metadata/the-style-element/support/css-red.txt": [
+    []
+   ],
    "html/semantics/embedded-content/META.yml": [
     []
    ],
@@ -273129,6 +273138,9 @@
    "html/the-xhtml-syntax/parsing-xhtml-documents/data-xhtml-with-dtd-ref.html": [
     []
    ],
+   "html/the-xhtml-syntax/parsing-xhtml-documents/support/entities.json": [
+    []
+   ],
    "html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm": [
     []
    ],
@@ -273753,9 +273765,6 @@
    "infrastructure/metadata/infrastructure/server/wpt-server-websocket.sub.html.ini": [
     []
    ],
-   "infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini": [
-    []
-   ],
    "infrastructure/metadata/infrastructure/testdriver/actions/actionsWithKeyPressed.html.ini": [
     []
    ],
@@ -428439,24 +428448,6 @@
      {}
     ]
    ],
-   "webxr/xrDevice_supportsSession_immersive.https.html": [
-    [
-     "webxr/xrDevice_supportsSession_immersive.https.html",
-     {}
-    ]
-   ],
-   "webxr/xrDevice_supportsSession_immersive_unsupported.https.html": [
-    [
-     "webxr/xrDevice_supportsSession_immersive_unsupported.https.html",
-     {}
-    ]
-   ],
-   "webxr/xrDevice_supportsSession_non_immersive.https.html": [
-    [
-     "webxr/xrDevice_supportsSession_non_immersive.https.html",
-     {}
-    ]
-   ],
    "webxr/xrFrame_getPose.https.html": [
     [
      "webxr/xrFrame_getPose.https.html",
@@ -462390,7 +462381,7 @@
    "support"
   ],
   "animation-worklet/scroll-timeline-writing-modes.https.html": [
-   "189bb9f091665718c11be01779ad0390fe0f7437",
+   "eb8e6fdb948d0996e80ede3a206ee61abd47f0ea",
    "testharness"
   ],
   "animation-worklet/stateful-animator.https.html": [
@@ -464714,7 +464705,7 @@
    "support"
   ],
   "beacon/META.yml": [
-   "94fa75c5178a39d519807ddc2490900d41acae41",
+   "4bd94e32064c78553666424e1d0ee30bca4987fb",
    "support"
   ],
   "beacon/beacon-basic-blob.html": [
@@ -465942,7 +465933,7 @@
    "support"
   ],
   "common/README.md": [
-   "bbb651d4aff5689628a713e1ae904ee56c03a6e2",
+   "9aef19cb73fa10c2962c489f43a4517e7f215116",
    "support"
   ],
   "common/arrays.js": [
@@ -465993,10 +465984,6 @@
    "6805c323df5a975231648b830e33ce183c3cbbd3",
    "support"
   ],
-  "common/css-red.txt": [
-   "9ef04cbd12daf19dd8810cae8844bd22f3264926",
-   "support"
-  ],
   "common/domain-setter.sub.html": [
    "ad3b9f8b80847ff811aa8f3083dc9c5fcf221f05",
    "support"
@@ -466013,10 +466000,6 @@
    "2ee403645b1bb27cdb27bcea716e166729b81af8",
    "support"
   ],
-  "common/entities.json": [
-   "8a1f590a6abe4872d3b8b4c665d9b165d7dce84d",
-   "support"
-  ],
   "common/form-submission.py": [
    "467875453c9dc64aac51add3f4a617d941820972",
    "support"
@@ -562550,7 +562533,7 @@
    "support"
   ],
   "css/css-flexbox/scrollbars-auto-ref.html": [
-   "e83ba524eac185ef122e0e05a336d9a8c43089c5",
+   "590b533d8d25ac45dbeb1e7eab7cd02f3c1e8b5b",
    "support"
   ],
   "css/css-flexbox/scrollbars-auto.html": [
@@ -562558,7 +562541,7 @@
    "reftest"
   ],
   "css/css-flexbox/scrollbars-ref.html": [
-   "32bb6105f19009e11e95b7cee86659125917516f",
+   "911e7acba88333d4e2ddf0d0fec36fbcc4975825",
    "support"
   ],
   "css/css-flexbox/scrollbars.html": [
@@ -580922,11 +580905,11 @@
    "testharness"
   ],
   "css/css-position/position-sticky-writing-modes-ref.html": [
-   "39800866a18323a5bf89e7208889184f191571bd",
+   "b9771acf248e1cfaad4ff93c59f63811ee3f6abb",
    "support"
   ],
   "css/css-position/position-sticky-writing-modes.html": [
-   "ee2dbc05a9cfca121596f6694f74f6fc76f748a0",
+   "da27f50c7fba29d40d408240369da6947d0b9b0c",
    "reftest"
   ],
   "css/css-position/resources/sticky-util.js": [
@@ -585434,7 +585417,7 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-margin-001.html": [
-   "39dea7efe81eeeb728d8e14ad7557dcf40eb82df",
+   "28eca1a6bafc39408d1c623a0b2625cd4da1478b",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-margin-002.html": [
@@ -585474,11 +585457,11 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-circle-004.html": [
-   "01f3fc1bffe24359bca75121ebde97c7fd5d9376",
+   "289861ee1502f00a5afa8fb6aafd47c5dc9afd6a",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-circle-005.html": [
-   "7d90318ec7365a119ad639b936b4127843ae6203",
+   "46cae045c5d0c8f092d15a194b91e4384146a32e",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-circle-006.html": [
@@ -585530,11 +585513,11 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html": [
-   "7617a34bce0c7f90668141a480b487c534a96eed",
+   "1d4aa85a07c304c320ae44a3364d4e7248a3ea26",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html": [
-   "fe5af3b682c8cd60e3e10278af3aa53ed108d6ba",
+   "5acb994191258c4b8ec02d70309da76cbbc7fc52",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-ellipse-006.html": [
@@ -585578,7 +585561,7 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-inset-003.html": [
-   "9b420707fe2e292ddec8810f4c185aaa574b3b5b",
+   "3ffc2af981672a7ac018eefb20eb5b750644c609",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-inset-004.html": [
@@ -585622,7 +585605,7 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-polygon-004.html": [
-   "c9623a2e5bd4f218c1b43a4679cb817a647c77c4",
+   "e9ecf2df599b0258329d5af6a3c09ee8368f1222",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-polygon-005.html": [
@@ -585634,7 +585617,7 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html": [
-   "02d5bc78d9a509bec3d77a90b4736ad7376ddf12",
+   "08d5d471de6b93b4446673f9931a976bcbcf1ce8",
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/shape-outside-shape-arguments-001.html": [
@@ -585662,7 +585645,7 @@
    "testharness"
   ],
   "css/css-shapes/shape-outside/values/support/parsing-utils.js": [
-   "118a11453337731f380063b736380c2c8610ae81",
+   "abadbf7066695ad1f754540c9bac75b2809c8c4c",
    "support"
   ],
   "css/css-shapes/spec-examples/reference/shape-outside-001-ref.html": [
@@ -612990,11 +612973,11 @@
    "testharness"
   ],
   "css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html": [
-   "cec27f412c926ab087f2cd736e4c6a7d4efb4c99",
+   "dc5f3e2cdb2fa6c4b0c59ded80b7e19df2db274c",
    "testharness"
   ],
   "css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html": [
-   "062edaf8f2dbe99012483f5a10bbf9c2e98fccac",
+   "e308c7c004f8415a5bf1ee886b681fb84780717c",
    "testharness"
   ],
   "css/cssom-view/scrollLeftTop.html": [
@@ -614625,6 +614608,10 @@
    "acb811bfad154e5a0b18eaddb799fc5dc679b114",
    "testharness"
   ],
+  "css/filter-effects/morphology-mirrored.html": [
+   "f0338e180344f341db60ab0710bdcdb71e8853b7",
+   "reftest"
+  ],
   "css/filter-effects/parsing/backdrop-filter-computed.html": [
    "5e8ce6bae680c84ef49e882309a573113ffc7b1e",
    "testharness"
@@ -637030,7 +637017,7 @@
    "testharness"
   ],
   "hr-time/META.yml": [
-   "2be354920aa140a72bc62ea2273f5d975eab8d46",
+   "779d5b4af08428c45023fc9d519ab0830d866a87",
    "support"
   ],
   "hr-time/basic.any.js": [
@@ -647466,7 +647453,7 @@
    "reftest"
   ],
   "html/semantics/document-metadata/the-style-element/style-error-01.html": [
-   "87cb9fafd847f0f60571a85603c2772e152cc949",
+   "0bdef0e17588cf6d2f95a2a14784f2ac26ad1c43",
    "testharness"
   ],
   "html/semantics/document-metadata/the-style-element/style_disabled.html": [
@@ -647501,6 +647488,10 @@
    "a19b3c86d7542f3b65e81836a94914a8ae7cffa8",
    "testharness"
   ],
+  "html/semantics/document-metadata/the-style-element/support/css-red.txt": [
+   "9ef04cbd12daf19dd8810cae8844bd22f3264926",
+   "support"
+  ],
   "html/semantics/document-metadata/the-title-element/title.text-01.html": [
    "7f25400ea89ca7835b72fdb1eb21fcb220f2cd01",
    "testharness"
@@ -655509,8 +655500,12 @@
    "fd29905ea30ed987c8d634c7f6df2e9e5e517e96",
    "reftest"
   ],
+  "html/the-xhtml-syntax/parsing-xhtml-documents/support/entities.json": [
+   "8a1f590a6abe4872d3b8b4c665d9b165d7dce84d",
+   "support"
+  ],
   "html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm": [
-   "761655094599be5451e231b30c81241550bee3a5",
+   "af3fe90284f213961679d1996d17766ccfc30621",
    "support"
   ],
   "html/the-xhtml-syntax/parsing-xhtml-documents/xhtml-mathml-dtd-entity-1.htm": [
@@ -657729,10 +657724,6 @@
    "2cc364b610987ad5938c822287eb76079c2af2a3",
    "support"
   ],
-  "infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini": [
-   "2bac0b50db727ddc70b90ac3fb443954319723ef",
-   "support"
-  ],
   "infrastructure/metadata/infrastructure/testdriver/actions/actionsWithKeyPressed.html.ini": [
    "b9465c066c7657a1ea00e316dddf1b7aaa854ef3",
    "support"
@@ -664582,7 +664573,7 @@
    "support"
   ],
   "navigation-timing/META.yml": [
-   "c09a6e03fd19f5a405b391c2c4671df6ff04edf1",
+   "bfb0e0f1f67a9c6aa2e7e921b09e85f8d970b290",
    "support"
   ],
   "navigation-timing/buffered-flag.window.js": [
@@ -671690,7 +671681,7 @@
    "support"
   ],
   "page-visibility/META.yml": [
-   "509936c371b7de3e7e0e5f7e41d10cffba9f5d2a",
+   "9b9aea8e8b11bf98dd23c8e161e3a7d701da2aba",
    "support"
   ],
   "page-visibility/idlharness.window.js": [
@@ -672362,7 +672353,7 @@
    "manual"
   ],
   "performance-timeline/META.yml": [
-   "46f16ae5f31aa388cfd1f7ff759a5df44d17fd0a",
+   "89fae1db0d9b7afd202737e34754b4e893298d49",
    "support"
   ],
   "performance-timeline/buffered-flag-after-timeout.any.js": [
@@ -686326,7 +686317,7 @@
    "testharness"
   ],
   "resource-timing/META.yml": [
-   "76176970d4d93e6a66bf2bc62aec5dd62ccd12c1",
+   "662c42cb664219dee159fd248e1446c041a4bc93",
    "support"
   ],
   "resource-timing/SyntheticResponse.py": [
@@ -687558,7 +687549,7 @@
    "testharness"
   ],
   "scroll-animations/current-time-writing-modes.html": [
-   "89b78fcccfe4e18b79d1f0f63eac90606fc81703",
+   "083c4cf594d80bf331b6c4243b9e2e32af46f531",
    "testharness"
   ],
   "scroll-animations/current-time.html": [
@@ -697698,7 +697689,7 @@
    "support"
   ],
   "timing-entrytypes-registry/META.yml": [
-   "c09a6e03fd19f5a405b391c2c4671df6ff04edf1",
+   "bfb0e0f1f67a9c6aa2e7e921b09e85f8d970b290",
    "support"
   ],
   "timing-entrytypes-registry/registry.any.js": [
@@ -697862,7 +697853,7 @@
    "support"
   ],
   "tools/ci/manifest_build.py": [
-   "ade17d6be40d80751de12b0d462a8f531bbe9059",
+   "6400bfd5e4837f44599310127baf6d0905df3416",
    "support"
   ],
   "tools/ci/run_tc.py": [
@@ -703010,11 +703001,11 @@
    "support"
   ],
   "tools/wptrunner/wptrunner/browsers/firefox.py": [
-   "1763ff44b4e55c14c8f5d753defb3ba39e017262",
+   "781d7e31c43c01c0a33328e1dc921f4f536d5296",
    "support"
   ],
   "tools/wptrunner/wptrunner/browsers/firefox_android.py": [
-   "30e53a593cff7ec3fa026c2a4f2495402650c1dc",
+   "30d0825a8ca373d4cd902bbe54966b32be66f22f",
    "support"
   ],
   "tools/wptrunner/wptrunner/browsers/ie.py": [
@@ -703402,7 +703393,7 @@
    "support"
   ],
   "tools/wptrunner/wptrunner/wpttest.py": [
-   "2ce15a0d9c7f85339caadecc017f178ee0245d27",
+   "80db17a3c7284cd82145a3d20c3532a0e79c82a4",
    "support"
   ],
   "tools/wptserve/.gitignore": [
@@ -707474,7 +707465,7 @@
    "testharness"
   ],
   "user-timing/META.yml": [
-   "a97a31d766bd96f0030a047632c3342c70abf3d8",
+   "5cb2a789c09c89b7c1029551e646b3f240e80c2a",
    "support"
   ],
   "user-timing/buffered-flag.any.js": [
@@ -709766,7 +709757,7 @@
    "testharness"
   ],
   "web-share/share-sharePromise-internal-slot.https.html": [
-   "5a71eaa4abf359008d84d1f219083ec1a91a6458",
+   "1478158a0c4efe365ae4a471f905d82a7b1fff8d",
    "testharness"
   ],
   "web-share/share-simple-manual.https.html": [
@@ -717885,18 +717876,6 @@
    "9fa8c31d63aab6f74886b55596ff63911018f51e",
    "testharness"
   ],
-  "webxr/xrDevice_supportsSession_immersive.https.html": [
-   "fd0827a526ef01299eeccd94f93f131e4014cd7b",
-   "testharness"
-  ],
-  "webxr/xrDevice_supportsSession_immersive_unsupported.https.html": [
-   "1d63a2b1c3a254d999473bc507453095c4243a08",
-   "testharness"
-  ],
-  "webxr/xrDevice_supportsSession_non_immersive.https.html": [
-   "b376495d765106fcb1435c3e60c0fa6e167d9c71",
-   "testharness"
-  ],
   "webxr/xrFrame_getPose.https.html": [
    "71ca78abb48cf12cb41e8249289a06eddc7eae94",
    "testharness"
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
new file mode 100644
index 00000000000..e6e1f29e274
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
@@ -0,0 +1,2 @@
+[matchMedia-display-none-iframe.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini b/tests/wpt/metadata/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini
index f0e78fd684d..41a72caa20c 100644
--- a/tests/wpt/metadata/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html.ini
@@ -2,3 +2,6 @@
   [Test the maxium value of scrollLeft]
     expected: FAIL
 
+  [Test the maxmium value of scrollLeft]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/filter-effects/morphology-mirrored.html.ini b/tests/wpt/metadata/css/filter-effects/morphology-mirrored.html.ini
new file mode 100644
index 00000000000..ce8d2f23fba
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/morphology-mirrored.html.ini
@@ -0,0 +1,2 @@
+[morphology-mirrored.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index be8b14356e5..f525b07de12 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -315,12 +315,6 @@
   [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/plain */*]
     expected: FAIL
 
@@ -330,6 +324,12 @@
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+  [<iframe>: combined 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;x=" text/plain]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index 279734168dc..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;charset=windows-1252  text/javascript]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
new file mode 100644
index 00000000000..dc2e45516de
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_5.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/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/skip-document-with-fragment.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/skip-document-with-fragment.html.ini
index c5f8391a36b..c12c0f8ae48 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/skip-document-with-fragment.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/skip-document-with-fragment.html.ini
@@ -1,8 +1,4 @@
 [skip-document-with-fragment.html]
-  expected: TIMEOUT
-  [Autofocus elements in top-level browsing context's documents with URI fragments should be skipped.]
-    expected: TIMEOUT
-
   [Autofocus elements in iframed documents with URL fragments should be skipped.]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
deleted file mode 100644
index 8cc42056d34..00000000000
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[non-active-document.html]
-  [DOMParser]
-    expected: FAIL
-
-  [createHTMLDocument]
-    expected: FAIL
-
-  [<template>]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/077.html.ini b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/077.html.ini
new file mode 100644
index 00000000000..bcd2fd0eab8
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/077.html.ini
@@ -0,0 +1,4 @@
+[077.html]
+  [ adding several types of scripts through the DOM and removing some of them confuses scheduler ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini b/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
index 8594361ff44..ec371a1bf72 100644
--- a/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
+++ b/tests/wpt/metadata/resource-timing/nested-context-navigations-iframe.html.ini
@@ -1,5 +1,5 @@
 [nested-context-navigations-iframe.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Test that iframe navigations are not observable by the parent, even after history navigations by the parent]
     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/webxr/xrDevice_supportsSession_immersive_unsupported.https.html.ini b/tests/wpt/metadata/webxr/xrDevice_supportsSession_immersive_unsupported.https.html.ini
deleted file mode 100644
index 18693bd0c8d..00000000000
--- a/tests/wpt/metadata/webxr/xrDevice_supportsSession_immersive_unsupported.https.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[xrDevice_supportsSession_immersive_unsupported.https.html]
-  [supportsSession rejects when options not supported]
-    expected: FAIL
-
diff --git a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
deleted file mode 100644
index dbea4f293ad..00000000000
--- a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[transition_calc_implicit.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/web-platform-tests/animation-worklet/scroll-timeline-writing-modes.https.html b/tests/wpt/web-platform-tests/animation-worklet/scroll-timeline-writing-modes.https.html
index 189bb9f0916..eb8e6fdb948 100644
--- a/tests/wpt/web-platform-tests/animation-worklet/scroll-timeline-writing-modes.https.html
+++ b/tests/wpt/web-platform-tests/animation-worklet/scroll-timeline-writing-modes.https.html
@@ -108,11 +108,11 @@ function block_vertical_rl(t) {
   const elements = createTestDOM(true, 'vertical-rl', 'ltr');
   const animation = createAndPlayTestAnimation(elements, 'block');
 
-  // Move the scroller to the 75% point. Since it is vertical-rl, this is
-  // equivalent to the 25% point for the ScrollTimeline.
+  // Move the scroller to the left 25% point, since it is vertical-rl,
+  // i.e leftwards overflow direction, scrollLeft is -25% point.
   const maxScroll =
       elements.scroller.scrollWidth - elements.scroller.clientWidth;
-  elements.scroller.scrollLeft = 0.75 * maxScroll;
+  elements.scroller.scrollLeft = -0.25 * maxScroll;
 
   waitForNotNullLocalTime(animation).then(t.step_func_done(() => {
     assert_equals(
@@ -124,11 +124,11 @@ function inline_horizontal_tb_rtl(t) {
   const elements = createTestDOM(true, 'horizontal-tb', 'rtl');
   const animation = createAndPlayTestAnimation(elements, 'inline');
 
-  // Move the scroller to the 75% point. Since it is direction: rtl, this is
-  // equivalent to the 25% point for the ScrollTimeline.
+  // Move the scroller to the left 25% point, since it is direction: rtl,
+  // i.e leftwards overflow direction, scrollLeft is -25% point.
   const maxScroll =
       elements.scroller.scrollWidth - elements.scroller.clientWidth;
-  elements.scroller.scrollLeft = 0.75 * maxScroll;
+  elements.scroller.scrollLeft = -0.25 * maxScroll;
 
   waitForNotNullLocalTime(animation).then(t.step_func_done(() => {
     assert_equals(
@@ -155,11 +155,11 @@ function inline_vertical_writing_mode_rtl(t) {
   const elements = createTestDOM(false, 'vertical-lr', 'rtl');
   const animation = createAndPlayTestAnimation(elements, 'inline');
 
-  // Move the scroller to the 75% point. Since this is a vertical writing mode
-  // and direction: rtl, this is 25% of the ScrollTimeline currentTime.
+  // Move the scroller to the top 25% point, since it is a vertical-lr writing mode
+  // and direction: rtl, i.e upwards overflow direction, scrollTop is -25% point.
   const maxScroll =
       elements.scroller.scrollHeight - elements.scroller.clientHeight;
-  elements.scroller.scrollTop = 0.75 * maxScroll;
+  elements.scroller.scrollTop = -0.25 * maxScroll;
 
   waitForNotNullLocalTime(animation).then(t.step_func_done(() => {
     assert_equals(
diff --git a/tests/wpt/web-platform-tests/beacon/META.yml b/tests/wpt/web-platform-tests/beacon/META.yml
index 94fa75c5178..4bd94e32064 100644
--- a/tests/wpt/web-platform-tests/beacon/META.yml
+++ b/tests/wpt/web-platform-tests/beacon/META.yml
@@ -1,4 +1,3 @@
 spec: https://w3c.github.io/beacon/
 suggested_reviewers:
-  - toddreifsteck
   - igrigorik
diff --git a/tests/wpt/web-platform-tests/common/README.md b/tests/wpt/web-platform-tests/common/README.md
index bbb651d4aff..9aef19cb73f 100644
--- a/tests/wpt/web-platform-tests/common/README.md
+++ b/tests/wpt/web-platform-tests/common/README.md
@@ -1,11 +1,9 @@
 The files in this directory are non-infrastructure support files that can be used by tests.
 
 * `blank.html` - An empty HTML document.
-* `css-red.txt` - A text/plain "CSS" document.
 * `domain-setter.sub.html` - An HTML document that sets `document.domain`.
 * `dummy.xhtml` - An XHTML document.
 * `dummy.xml` - An XML document.
-* `entities.json` - All named character references in HTML.
 * `text-plain.txt` - A text/plain document.
 * `*.js` - Utility scripts. These are documented in the source.
 * `*.py` - wptserve [Python Handlers](https://web-platform-tests.org/writing-tests/python-handlers/). These are documented in the source.
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-auto-ref.html b/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-auto-ref.html
index e83ba524eac..590b533d8d2 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-auto-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-auto-ref.html
@@ -166,8 +166,8 @@ for (var i = 0; i < nodes.length; i++) {
 }
 nodes = document.querySelectorAll(".rtl > .row-reverse");
 for (var i = 0; i < nodes.length; i++) {
-  nodes[i].scrollLeft = 0;
-  nodes[i].scrollTop = 0;
+  nodes[i].scrollLeft = -10000;
+  nodes[i].scrollTop = -10000;
 }
 nodes = document.querySelectorAll(".column-reverse");
 for (var i = 0; i < nodes.length; i++) {
@@ -176,7 +176,7 @@ for (var i = 0; i < nodes.length; i++) {
 }
 nodes = document.querySelectorAll(".flipped-blocks > .column-reverse");
 for (var i = 0; i < nodes.length; i++) {
-  nodes[i].scrollLeft = 0;
+  nodes[i].scrollLeft = -10000;
   nodes[i].scrollTop = 0;
 }
 </script>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-ref.html b/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-ref.html
index 32bb6105f19..911e7acba88 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/scrollbars-ref.html
@@ -166,8 +166,8 @@ for (var i = 0; i < nodes.length; i++) {
 }
 nodes = document.querySelectorAll(".rtl > .row-reverse");
 for (var i = 0; i < nodes.length; i++) {
-  nodes[i].scrollLeft = 0;
-  nodes[i].scrollTop = 0;
+  nodes[i].scrollLeft = -10000;
+  nodes[i].scrollTop = -10000;
 }
 nodes = document.querySelectorAll(".column-reverse");
 for (var i = 0; i < nodes.length; i++) {
@@ -176,7 +176,7 @@ for (var i = 0; i < nodes.length; i++) {
 }
 nodes = document.querySelectorAll(".flipped-blocks > .column-reverse");
 for (var i = 0; i < nodes.length; i++) {
-  nodes[i].scrollLeft = 0;
+  nodes[i].scrollLeft = -10000;
   nodes[i].scrollTop = 0;
 }
 </script>
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
index 39800866a18..b9771acf248 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes-ref.html
@@ -35,7 +35,7 @@ window.addEventListener('load', function() {
   document.getElementById('scroller1').scrollTop = 50;
   document.getElementById('scroller1').scrollLeft = 20;
   document.getElementById('scroller2').scrollTop = 50;
-  document.getElementById('scroller2').scrollLeft = 60;
+  document.getElementById('scroller2').scrollLeft = -25;
 });
 </script>
 
diff --git a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
index ee2dbc05a9c..da27f50c7fb 100644
--- a/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-position/position-sticky-writing-modes.html
@@ -44,7 +44,7 @@ window.addEventListener('load', function() {
   document.getElementById('scroller1').scrollTop = 50;
   document.getElementById('scroller1').scrollLeft = 20;
   document.getElementById('scroller2').scrollTop = 50;
-  document.getElementById('scroller2').scrollLeft = 60;
+  document.getElementById('scroller2').scrollLeft = -25;
 });
 </script>
 
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-margin-001.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-margin-001.html
index 39dea7efe81..28eca1a6baf 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-margin-001.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-margin-001.html
@@ -10,10 +10,12 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+        setup({explicit_done: true});
         var shape_margin_valid_unit_tests = [];
         ParsingUtils.validUnits.forEach(function(unit) {
             test = "10"+unit;
@@ -25,10 +27,16 @@
             testCase["expected_computed"] = test;
             shape_margin_valid_unit_tests.push(testCase);
         });
+
         generate_tests( ParsingUtils.testShapeMarginInlineStyle,
                         ParsingUtils.buildTestCases(shape_margin_valid_unit_tests, "inline"), true);
-        generate_tests( ParsingUtils.testShapeMarginComputedStyle,
-                        ParsingUtils.buildTestCases(shape_margin_valid_unit_tests, "computed"), true);
+        ParsingUtils.setupFonts();
+        document.fonts.ready.then(()=> {
+            generate_tests( ParsingUtils.testShapeMarginComputedStyle,
+                            ParsingUtils.buildTestCases(shape_margin_valid_unit_tests, "computed"), true);
+            ParsingUtils.restoreFonts();
+            done();
+        });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-004.html
index 01f3fc1bffe..289861ee150 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-004.html
@@ -13,14 +13,21 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+            setup({explicit_done: true});
             generate_tests( ParsingUtils.testInlineStyle,
                             ParsingUtils.buildPositionTests("circle", true, 'lengthUnit + inline', ParsingUtils.validUnits) );
-            generate_tests( ParsingUtils.testComputedStyle,
-                            ParsingUtils.buildPositionTests("circle", true, 'lengthUnit + computed', ParsingUtils.validUnits) );
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests( ParsingUtils.testComputedStyle,
+                                ParsingUtils.buildPositionTests("circle", true, 'lengthUnit + computed', ParsingUtils.validUnits) );
+                ParsingUtils.restoreFonts();
+                done();
+            });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-005.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-005.html
index 7d90318ec73..46cae045c5d 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-005.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-circle-005.html
@@ -12,12 +12,19 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+            setup({explicit_done: true});
             generate_tests(ParsingUtils.testInlineStyle, ParsingUtils.buildRadiiTests('circle', 'lengthUnit + inline', ParsingUtils.validUnits));
-            generate_tests(ParsingUtils.testComputedStyle, ParsingUtils.buildRadiiTests('circle', 'lengthUnit + computed', ParsingUtils.validUnits));
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests(ParsingUtils.testComputedStyle, ParsingUtils.buildRadiiTests('circle', 'lengthUnit + computed', ParsingUtils.validUnits));
+                ParsingUtils.restoreFonts();
+                done();
+            });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html
index 7617a34bce0..1d4aa85a07c 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html
@@ -13,14 +13,21 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+            setup({explicit_done: true});
             generate_tests( ParsingUtils.testInlineStyle,
                             ParsingUtils.buildPositionTests("ellipse", true, 'lengthUnit + inline', ParsingUtils.validUnits) );
-            generate_tests( ParsingUtils.testComputedStyle,
-                            ParsingUtils.buildPositionTests("ellipse", true, 'lengthUnit + computed', ParsingUtils.validUnits) );
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests( ParsingUtils.testComputedStyle,
+                                ParsingUtils.buildPositionTests("ellipse", true, 'lengthUnit + computed', ParsingUtils.validUnits) );
+                ParsingUtils.restoreFonts();
+                done();
+            });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html
index fe5af3b682c..5acb9941912 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html
@@ -12,12 +12,20 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+            setup({explicit_done: true});
             generate_tests(ParsingUtils.testInlineStyle, ParsingUtils.buildRadiiTests('ellipse', 'lengthUnit + inline', ParsingUtils.validUnits));
-            generate_tests(ParsingUtils.testComputedStyle, ParsingUtils.buildRadiiTests('ellipse', 'lengthUnit + computed', ParsingUtils.validUnits));
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests(ParsingUtils.testComputedStyle,
+                                ParsingUtils.buildRadiiTests('ellipse', 'lengthUnit + computed', ParsingUtils.validUnits));
+                ParsingUtils.restoreFonts();
+                done();
+            });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-inset-003.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-inset-003.html
index 9b420707fe2..3ffc2af9816 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-inset-003.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-inset-003.html
@@ -13,15 +13,22 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+           setup({explicit_done: true});
            ParsingUtils.validUnits.forEach(function(unit) {
                 generate_tests(ParsingUtils.testInlineStyle, ParsingUtils.generateInsetRoundCases(unit, 'inline'));
            });
-           ParsingUtils.validUnits.forEach(function(unit) {
-                generate_tests(ParsingUtils.testComputedStyle, ParsingUtils.generateInsetRoundCases(unit, 'computed'));
+           ParsingUtils.setupFonts();
+           document.fonts.ready.then(()=> {
+                ParsingUtils.validUnits.forEach(function(unit) {
+                    generate_tests(ParsingUtils.testComputedStyle, ParsingUtils.generateInsetRoundCases(unit, 'computed'));
+                });
+                ParsingUtils.restoreFonts();
+                done();
            });
         </script>
     </body>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-polygon-004.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-polygon-004.html
index c9623a2e5bd..e9ecf2df599 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-polygon-004.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-polygon-004.html
@@ -13,10 +13,12 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
         <script type="text/javascript">
+            setup({explicit_done: true});
             var arg_length_units_tests = [
                ['%', 'px', 'px'],
                ['px', '%', 'px'],
@@ -31,8 +33,13 @@
             ];
             generate_tests( ParsingUtils.testInlineStyle,
                             ParsingUtils.buildPolygonTests(arg_length_units_tests, 'inline') );
-            generate_tests( ParsingUtils.testComputedStyle,
-                            ParsingUtils.buildPolygonTests(arg_length_units_tests, 'computed') );
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests( ParsingUtils.testComputedStyle,
+                                ParsingUtils.buildPolygonTests(arg_length_units_tests, 'computed') );
+                ParsingUtils.restoreFonts();
+                done();
+            });
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html
index 02d5bc78d9a..08d5d471de6 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html
@@ -13,6 +13,7 @@
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
         <script src="support/parsing-utils.js"></script>
+        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     </head>
     <body>
         <div id="log"></div>
@@ -21,6 +22,7 @@
             // fixed units: cm, mm, in, px, pt, pc
             // percentage unit: %
             // zero length: 0
+            setup({explicit_done: true});
             var basic_shape_args_tests = [
                 {
                   "name": "0-valued",
@@ -53,10 +55,17 @@
                   "expected_computed": "polygon(1% 2%)"
                 }
             ];
+
             generate_tests( ParsingUtils.testInlineStyle,
                             ParsingUtils.buildTestCases(basic_shape_args_tests, "inline") );
-            generate_tests( ParsingUtils.testComputedStyle,
-                            ParsingUtils.buildTestCases(basic_shape_args_tests, "computed") );
+            ParsingUtils.setupFonts();
+            document.fonts.ready.then(()=> {
+                generate_tests( ParsingUtils.testComputedStyle,
+                                ParsingUtils.buildTestCases(basic_shape_args_tests, "computed") );
+                ParsingUtils.restoreFonts();
+                done();
+            });
+
         </script>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/support/parsing-utils.js b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/support/parsing-utils.js
index 118a1145333..abadbf70666 100644
--- a/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/support/parsing-utils.js
+++ b/tests/wpt/web-platform-tests/css/css-shapes/shape-outside/values/support/parsing-utils.js
@@ -446,31 +446,32 @@ function each(object, func) {
     }
 }
 
-function setupFonts(func) {
-    return function () {
-        var fontProperties = {
-            'font-family': 'Ahem',
-            'font-size': '16px',
-            'line-height': '1'
-        };
-        var savedValues = { };
-        each(fontProperties, function (key, value) {
-            savedValues[key] = document.body.style.getPropertyValue(key);
-            document.body.style.setProperty(key, value);
-        });
-        try {
-            func.apply(this, arguments);
-        } finally {
-            each(savedValues, function (key, value) {
-                if (value) {
-                    document.body.style.setProperty(key, value);
-                }
-                else {
-                    document.body.style.removeProperty(key);
-                }
-            });
-        }
+/// For saving and restoring font properties
+var savedFontValues = { };
+
+function setupFonts() {
+    var fontProperties = {
+        'font-family': 'Ahem',
+        'font-size': '16px',
+        'line-height': '1'
     };
+    savedFontValues = { };
+    each(fontProperties, function (key, value) {
+        savedFontValues[key] = document.body.style.getPropertyValue(key);
+        document.body.style.setProperty(key, value);
+    });
+}
+
+function restoreFonts() {
+    each(savedFontValues, function (key, value) {
+        if (value) {
+            document.body.style.setProperty(key, value);
+        }
+        else {
+            document.body.style.removeProperty(key);
+        }
+    });
+    savedFontValues = { };
 }
 
 var validUnits = [
@@ -819,11 +820,11 @@ var calcTestValues = [
 
 return {
     testInlineStyle: testInlineStyle,
-    testComputedStyle: setupFonts(testComputedStyle),
+    testComputedStyle: testComputedStyle,
     testShapeMarginInlineStyle: testShapeMarginInlineStyle,
-    testShapeMarginComputedStyle: setupFonts(testShapeMarginComputedStyle),
+    testShapeMarginComputedStyle: testShapeMarginComputedStyle,
     testShapeThresholdInlineStyle: testShapeThresholdInlineStyle,
-    testShapeThresholdComputedStyle: setupFonts(testShapeThresholdComputedStyle),
+    testShapeThresholdComputedStyle: testShapeThresholdComputedStyle,
     buildTestCases: buildTestCases,
     buildRadiiTests: buildRadiiTests,
     buildPositionTests: buildPositionTests,
@@ -834,6 +835,7 @@ return {
     validUnits: validUnits,
     calcTestValues: calcTestValues,
     roundResultStr: roundResultStr,
-    setupFonts: setupFonts
+    setupFonts: setupFonts,
+    restoreFonts: restoreFonts,
 }
 })();
diff --git a/tests/wpt/web-platform-tests/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html b/tests/wpt/web-platform-tests/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html
index cec27f412c9..dc5f3e2cdb2 100644
--- a/tests/wpt/web-platform-tests/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html
+++ b/tests/wpt/web-platform-tests/css/cssom-view/scrollIntoView-vertical-rl-writing-mode.html
@@ -92,20 +92,6 @@ var expectedY = {
   inlineEnd: ((2*box_height) - scroller_height) + scrollbar_width,
 };
 
-// As browsers differ in the meaning of scrollLeft when
-// in a right-to-left mode, we adjust the expectation
-// to match the semantics of scrollLeft.
-// In vertical-rl mode, the scroll x coordinate should be nonpositive per the the spec.
-// But some browsers is nonnegative, so we adjust the expectation.
-scroller.scrollLeft = -1000;
-if(scroller.scrollLeft === 0) {
-  expectedX = {
-    blockStart: ((2*box_width) - scroller_width) + scrollbar_width,
-    blockCenter: ((3*box_width - scroller_width)/2) + (scrollbar_width/2),
-    blockEnd: box_width,
-  };
-}
-
 [
   [{block: "start", inline: "start"}, expectedX.blockStart, expectedY.inlineStart],
   [{block: "start", inline: "center"}, expectedX.blockStart, expectedY.inlineCenter],
diff --git a/tests/wpt/web-platform-tests/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html b/tests/wpt/web-platform-tests/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html
index 062edaf8f2d..e308c7c004f 100644
--- a/tests/wpt/web-platform-tests/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html
+++ b/tests/wpt/web-platform-tests/css/cssom-view/scrollLeft-of-scroller-with-wider-scrollbar.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<title>The maximum value of scrollLeft shouldn't be affected by scrollbar when it's wider than scroller</title>
+<title>The maximum value of scrollLeft shouldn't be affected by scrollbar even if it's wider than scroller</title>
 <meta charset="utf-8">
 <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollleft">
 
@@ -12,5 +12,5 @@
     test(function() {
         scroller.scrollLeft = 1000;
         assert_equals(scroller.scrollLeft, 100);
-    }, "Test the maxium value of scrollLeft");
+    }, "Test the maxmium value of scrollLeft");
 </script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/morphology-mirrored.html b/tests/wpt/web-platform-tests/css/filter-effects/morphology-mirrored.html
new file mode 100644
index 00000000000..f0338e18034
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/morphology-mirrored.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<title>feMorphology filter on mirrored content</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#feMorphologyElement">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <filter id="dilate" filterUnits="userSpaceOnUse"
+          color-interpolation-filters="sRGB">
+    <feMorphology operator="dilate" radius="10"/>
+  </filter>
+  <rect width="100" height="100" fill="red"/>
+  <rect x="10" y="10" width="80" height="30" fill="green" filter="url(#dilate)"
+        transform="translate(0, 50) scale(1, -1)"/>
+  <rect x="10" y="60" width="80" height="30" fill="green" filter="url(#dilate)"
+        transform="translate(100, 0) scale(-1, 1)"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/hr-time/META.yml b/tests/wpt/web-platform-tests/hr-time/META.yml
index 2be354920aa..779d5b4af08 100644
--- a/tests/wpt/web-platform-tests/hr-time/META.yml
+++ b/tests/wpt/web-platform-tests/hr-time/META.yml
@@ -2,4 +2,3 @@ spec: https://w3c.github.io/hr-time/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
diff --git a/tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/style-error-01.html b/tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/style-error-01.html
index 87cb9fafd84..0bdef0e1758 100644
--- a/tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/style-error-01.html
+++ b/tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/style-error-01.html
@@ -26,7 +26,7 @@ tText.step(function() {
     tText.done()
   })
   elt.appendChild(
-    document.createTextNode('@import "../../../../common/css-red.txt";'));
+    document.createTextNode('@import "support/css-red.txt";'));
   document.getElementsByTagName("head")[0].appendChild(elt);
 })
 </script>
diff --git a/tests/wpt/web-platform-tests/common/css-red.txt b/tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/support/css-red.txt
similarity index 100%
rename from tests/wpt/web-platform-tests/common/css-red.txt
rename to tests/wpt/web-platform-tests/html/semantics/document-metadata/the-style-element/support/css-red.txt
diff --git a/tests/wpt/web-platform-tests/common/entities.json b/tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/entities.json
similarity index 100%
rename from tests/wpt/web-platform-tests/common/entities.json
rename to tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/entities.json
diff --git a/tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm b/tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm
index 76165509459..af3fe90284f 100644
--- a/tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm
+++ b/tests/wpt/web-platform-tests/html/the-xhtml-syntax/parsing-xhtml-documents/support/xhtml-mathml-dtd-entity.htm
@@ -38,7 +38,7 @@
 
   function run(row) {
     var xhr = new XMLHttpRequest();
-    xhr.open("GET", "/common/entities.json");
+    xhr.open("GET", "entities.json");
     xhr.onload = function () {
       var entitiesJSON = JSON.parse(xhr.response);
       setupTests(entitiesJSON, row[1], row[2], row[0], row[3]);
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini
deleted file mode 100644
index 2bac0b50db7..00000000000
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/__dir__.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-disabled:
-  if product == "chrome" and os == "mac": https://bugs.chromium.org/p/chromedriver/issues/detail?id=3114
diff --git a/tests/wpt/web-platform-tests/navigation-timing/META.yml b/tests/wpt/web-platform-tests/navigation-timing/META.yml
index c09a6e03fd1..bfb0e0f1f67 100644
--- a/tests/wpt/web-platform-tests/navigation-timing/META.yml
+++ b/tests/wpt/web-platform-tests/navigation-timing/META.yml
@@ -2,5 +2,4 @@ spec: https://w3c.github.io/navigation-timing/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
   - yoavweiss
diff --git a/tests/wpt/web-platform-tests/page-visibility/META.yml b/tests/wpt/web-platform-tests/page-visibility/META.yml
index 509936c371b..9b9aea8e8b1 100644
--- a/tests/wpt/web-platform-tests/page-visibility/META.yml
+++ b/tests/wpt/web-platform-tests/page-visibility/META.yml
@@ -2,4 +2,3 @@ spec: https://w3c.github.io/page-visibility/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
diff --git a/tests/wpt/web-platform-tests/performance-timeline/META.yml b/tests/wpt/web-platform-tests/performance-timeline/META.yml
index 46f16ae5f31..89fae1db0d9 100644
--- a/tests/wpt/web-platform-tests/performance-timeline/META.yml
+++ b/tests/wpt/web-platform-tests/performance-timeline/META.yml
@@ -2,4 +2,3 @@ spec: https://w3c.github.io/performance-timeline/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
diff --git a/tests/wpt/web-platform-tests/resource-timing/META.yml b/tests/wpt/web-platform-tests/resource-timing/META.yml
index 76176970d4d..662c42cb664 100644
--- a/tests/wpt/web-platform-tests/resource-timing/META.yml
+++ b/tests/wpt/web-platform-tests/resource-timing/META.yml
@@ -3,5 +3,4 @@ suggested_reviewers:
   - plehegar
   - zqzhang
   - igrigorik
-  - toddreifsteck
   - yoavweiss
diff --git a/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html b/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
index 89b78fcccfe..083c4cf594d 100644
--- a/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
+++ b/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
@@ -51,7 +51,7 @@ test(function() {
   // The offset in the inline/horizontal direction should be inverted. The
   // block/vertical direction should be unaffected.
   scroller.scrollTop = 50;
-  scroller.scrollLeft = 75;
+  scroller.scrollLeft = 75 - scrollerSize;
 
   assert_equals(blockScrollTimeline.currentTime, 50, 'Scrolled block timeline');
   assert_equals(
@@ -105,7 +105,7 @@ test(function() {
   // horizontal/vertical cases, horizontal starts on the right-hand-side and
   // vertical is normal.
   scroller.scrollTop = 50;
-  scroller.scrollLeft = 75;
+  scroller.scrollLeft = 75 - scrollerSize;
 
   assert_equals(
       blockScrollTimeline.currentTime, scrollerSize - 75,
@@ -207,36 +207,36 @@ test(function() {
   assert_equals(
       calcScrollTimeline.currentTime, null, 'Unscrolled calc-based timeline');
 
-  // With direction rtl offsets are inverted, such that scrollLeft ==
-  // scrollerSize is the 'zero' point for currentTime. However the
+  // With direction rtl offsets are inverted, such that scrollLeft == 0
+  // is the 'zero' point for currentTime. However the
   // startScrollOffset is an absolute distance along the offset, so doesn't
   // need adjusting.
 
   // Check the length-based ScrollTimeline.
-  scroller.scrollLeft = scrollerSize;
+  scroller.scrollLeft = 0;
   assert_equals(
       lengthScrollTimeline.currentTime, null,
       'Length-based timeline before the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - 20;
+  scroller.scrollLeft = -20;
   assert_equals(
       lengthScrollTimeline.currentTime, 0,
       'Length-based timeline at the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - 50;
+  scroller.scrollLeft = -50;
   assert_equals(
       lengthScrollTimeline.currentTime,
       calculateCurrentTime(50, 20, scrollerSize, scrollerSize),
       'Length-based timeline after the startScrollOffset point');
 
   // Check the percentage-based ScrollTimeline.
-  scroller.scrollLeft = scrollerSize - (0.19 * scrollerSize);
+  scroller.scrollLeft = -(0.19 * scrollerSize);
   assert_equals(
       percentageScrollTimeline.currentTime, null,
       'Percentage-based timeline before the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - (0.20 * scrollerSize);
+  scroller.scrollLeft = -(0.20 * scrollerSize);
   assert_equals(
       percentageScrollTimeline.currentTime, 0,
       'Percentage-based timeline at the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - (0.4 * scrollerSize);
+  scroller.scrollLeft = -(0.4 * scrollerSize);
   assert_equals(
       percentageScrollTimeline.currentTime,
       calculateCurrentTime(
@@ -244,15 +244,15 @@ test(function() {
       'Percentage-based timeline after the startScrollOffset point');
 
   // Check the calc-based ScrollTimeline.
-  scroller.scrollLeft = scrollerSize - (0.2 * scrollerSize - 10);
+  scroller.scrollLeft = -(0.2 * scrollerSize - 10);
   assert_equals(
       calcScrollTimeline.currentTime, null,
       'Calc-based timeline before the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - (0.2 * scrollerSize - 5);
+  scroller.scrollLeft = -(0.2 * scrollerSize - 5);
   assert_equals(
       calcScrollTimeline.currentTime, 0,
       'Calc-based timeline at the startScrollOffset point');
-  scroller.scrollLeft = scrollerSize - (0.2 * scrollerSize);
+  scroller.scrollLeft = -(0.2 * scrollerSize);
   assert_equals(
       calcScrollTimeline.currentTime,
       calculateCurrentTime(
@@ -288,21 +288,21 @@ test(function() {
     endScrollOffset: 'calc(80% + 5px)'
   });
 
-  // With direction rtl offsets are inverted, such that scrollLeft ==
-  // scrollerSize is the 'zero' point for currentTime. However the
+  // With direction rtl offsets are inverted, such that scrollLeft == 0
+  // is the 'zero' point for currentTime. However the
   // endScrollOffset is an absolute distance along the offset, so doesn't need
   // adjusting.
 
   // Check the length-based ScrollTimeline.
-  scroller.scrollLeft = 0;
+  scroller.scrollLeft = -scrollerSize;
   assert_equals(
       lengthScrollTimeline.currentTime, null,
       'Length-based timeline after the endScrollOffset point');
-  scroller.scrollLeft = 20;
+  scroller.scrollLeft = 20 - scrollerSize;
   assert_equals(
       lengthScrollTimeline.currentTime, null,
       'Length-based timeline at the endScrollOffset point');
-  scroller.scrollLeft = 50;
+  scroller.scrollLeft = 50 - scrollerSize;
   assert_equals(
       lengthScrollTimeline.currentTime,
       calculateCurrentTime(
@@ -310,15 +310,15 @@ test(function() {
       'Length-based timeline before the endScrollOffset point');
 
   // Check the percentage-based ScrollTimeline.
-  scroller.scrollLeft = 0.19 * scrollerSize;
+  scroller.scrollLeft = 0.19 * scrollerSize - scrollerSize;
   assert_equals(
       percentageScrollTimeline.currentTime, null,
       'Percentage-based timeline after the endScrollOffset point');
-  scroller.scrollLeft = 0.20 * scrollerSize;
+  scroller.scrollLeft = 0.20 * scrollerSize - scrollerSize;
   assert_equals(
       percentageScrollTimeline.currentTime, null,
       'Percentage-based timeline at the endScrollOffset point');
-  scroller.scrollLeft = 0.4 * scrollerSize;
+  scroller.scrollLeft = 0.4 * scrollerSize - scrollerSize;
   assert_equals(
       percentageScrollTimeline.currentTime,
       calculateCurrentTime(
@@ -326,15 +326,15 @@ test(function() {
       'Percentage-based timeline before the endScrollOffset point');
 
   // Check the calc-based ScrollTimeline. 80% + 5px
-  scroller.scrollLeft = 0.2 * scrollerSize - 10;
+  scroller.scrollLeft = -0.8 * scrollerSize - 10;
   assert_equals(
       calcScrollTimeline.currentTime, null,
       'Calc-based timeline after the endScrollOffset point');
-  scroller.scrollLeft = 0.2 * scrollerSize - 5;
+  scroller.scrollLeft = -0.8 * scrollerSize - 5;
   assert_equals(
       calcScrollTimeline.currentTime, null,
       'Calc-based timeline at the endScrollOffset point');
-  scroller.scrollLeft = 0.2 * scrollerSize;
+  scroller.scrollLeft = -0.8 * scrollerSize;
   assert_equals(
       calcScrollTimeline.currentTime,
       calculateCurrentTime(
diff --git a/tests/wpt/web-platform-tests/timing-entrytypes-registry/META.yml b/tests/wpt/web-platform-tests/timing-entrytypes-registry/META.yml
index c09a6e03fd1..bfb0e0f1f67 100644
--- a/tests/wpt/web-platform-tests/timing-entrytypes-registry/META.yml
+++ b/tests/wpt/web-platform-tests/timing-entrytypes-registry/META.yml
@@ -2,5 +2,4 @@ spec: https://w3c.github.io/navigation-timing/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
   - yoavweiss
diff --git a/tests/wpt/web-platform-tests/tools/ci/manifest_build.py b/tests/wpt/web-platform-tests/tools/ci/manifest_build.py
index ade17d6be40..6400bfd5e48 100644
--- a/tests/wpt/web-platform-tests/tools/ci/manifest_build.py
+++ b/tests/wpt/web-platform-tests/tools/ci/manifest_build.py
@@ -43,7 +43,7 @@ def compress_manifest(path):
         run(args + [path])
 
 
-def request(url, desc, data=None, json_data=None, params=None, headers=None):
+def request(url, desc, method=None, data=None, json_data=None, params=None, headers=None):
     github_token = os.environ.get("GITHUB_TOKEN")
     default_headers = {
         "Authorization": "token %s" % github_token,
@@ -57,12 +57,13 @@ def request(url, desc, data=None, json_data=None, params=None, headers=None):
     kwargs = {"params": params,
               "headers": _headers}
     try:
-        logger.info("Loading URL %s" % url)
+        logger.info("Requesting URL %s" % url)
         if json_data is not None or data is not None:
-            method = requests.post
+            if method is None:
+                method = requests.post
             kwargs["json"] = json_data
             kwargs["data"] = data
-        else:
+        elif method is None:
             method = requests.get
 
         resp = method(url, **kwargs)
@@ -105,32 +106,19 @@ def get_pr(owner, repo, sha):
     return pr["number"]
 
 
-def tag(owner, repo, sha, tag):
-    data = {"ref": "refs/tags/%s" % tag,
-            "sha": sha}
-    url = "https://api.github.com/repos/%s/%s/git/refs" % (owner, repo)
-
-    resp_data = request(url, "Tag creation", json_data=data)
-    if not resp_data:
-        return False
-
-    logger.info("Tagged %s as %s" % (sha, tag))
-    return True
-
-
 def create_release(manifest_path, owner, repo, sha, tag, body):
     create_url = "https://api.github.com/repos/%s/%s/releases" % (owner, repo)
     create_data = {"tag_name": tag,
+                   "target_commitish": sha,
                    "name": tag,
-                   "body": body}
-    create_data = request(create_url, "Release creation", json_data=create_data)
-    if not create_data:
+                   "body": body,
+                   "draft": True}
+    create_resp = request(create_url, "Release creation", json_data=create_data)
+    if not create_resp:
         return False
 
     # Upload URL contains '{?name,label}' at the end which we want to remove
-    upload_url = create_data["upload_url"].split("{", 1)[0]
-
-    success = True
+    upload_url = create_resp["upload_url"].split("{", 1)[0]
 
     upload_exts = [".gz", ".bz2", ".zst"]
     for upload_ext in upload_exts:
@@ -146,9 +134,17 @@ def create_release(manifest_path, owner, repo, sha, tag, body):
         upload_resp = request(upload_url, "Manifest upload", data=upload_data, params=params,
                               headers={'Content-Type': 'application/octet-stream'})
         if not upload_resp:
-            success = False
+            return False
 
-    return success
+    release_id = create_resp["id"]
+    edit_url = "https://api.github.com/repos/%s/%s/releases/%s" % (owner, repo, release_id)
+    edit_data = {"draft": False}
+    edit_resp = request(edit_url, "Release publishing", method=requests.patch, json_data=edit_data)
+    if not edit_resp:
+        return False
+
+    logger.info("Released %s" % edit_resp["html_url"])
+    return True
 
 
 def should_dry_run():
@@ -190,10 +186,6 @@ def main():
         return Status.FAIL
     tag_name = "merge_pr_%s" % pr
 
-    tagged = tag(owner, repo, head_rev, tag_name)
-    if not tagged:
-        return Status.FAIL
-
     if not create_release(manifest_path, owner, repo, head_rev, tag_name, body):
         return Status.FAIL
 
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox.py
index 1763ff44b4e..781d7e31c43 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox.py
@@ -153,18 +153,35 @@ def env_options():
 
 def run_info_extras(**kwargs):
 
-    def get_bool_pref(pref):
+    def get_bool_pref_if_exists(pref):
         for key, value in kwargs.get('extra_prefs', []):
             if pref == key:
                 return value.lower() in ('true', '1')
-        return False
+        return None
+
+    def get_bool_pref(pref):
+        pref_value = get_bool_pref_if_exists(pref)
+        return pref_value if pref_value is not None else False
 
     rv = {"e10s": kwargs["gecko_e10s"],
           "wasm": kwargs.get("wasm", True),
           "verify": kwargs["verify"],
           "headless": kwargs.get("headless", False) or "MOZ_HEADLESS" in os.environ,
-          "fission": get_bool_pref("fission.autostart"),
-          "sw-e10s": get_bool_pref("dom.serviceWorkers.parent_intercept")}
+          "fission": get_bool_pref("fission.autostart")}
+
+    # The value of `sw-e10s` defaults to whether the "parent_intercept"
+    # implementation is enabled for the current build. This value, however,
+    # can be overridden by explicitly setting the pref with the `--setpref` CLI
+    # flag, which is checked here. If not supplied, the default value of
+    # `sw-e10s` will be filled in in `RunInfo`'s constructor.
+    #
+    # We can't capture the default value right now because (currently), it
+    # defaults to the value of `nightly_build`, which isn't known until
+    # `RunInfo`'s constructor.
+    sw_e10s_override = get_bool_pref_if_exists("dom.serviceWorkers.parent_intercept")
+    if sw_e10s_override is not None:
+        rv["sw-e10s"] = sw_e10s_override
+
     rv.update(run_info_browser_version(kwargs["binary"]))
     return rv
 
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox_android.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox_android.py
index 30e53a593cf..30d0825a8ca 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox_android.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/firefox_android.py
@@ -67,8 +67,7 @@ def env_extras(**kwargs):
 def run_info_extras(**kwargs):
     package = kwargs["package_name"]
     rv = {"e10s": True if package is not None and "geckoview" in package else False,
-          "headless": False,
-          "sw-e10s": False}
+          "headless": False}
     rv.update(run_info_browser_version(kwargs["binary"]))
     return rv
 
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wpttest.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wpttest.py
index 2ce15a0d9c7..80db17a3c72 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wpttest.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wpttest.py
@@ -112,6 +112,18 @@ class RunInfo(dict):
         if extras is not None:
             self.update(extras)
 
+        # Until the test harness can understand default pref values,
+        # (https://bugzilla.mozilla.org/show_bug.cgi?id=1577912) this value
+        # should by synchronized with the default pref value indicated in
+        # StaticPrefList.yaml.
+        #
+        # Currently for automation, the pref (and `sw-e10s`) defaults to true in
+        # nightly builds and false otherwise but can be overridden with
+        # `--setpref`. If overridden, the value would be initialized in
+        # `run_info_extras` and be supplied in the `extras` parameter.
+        if "sw-e10s" not in self:
+            self["sw-e10s"] = self.get("nightly_build", False)
+
         self["headless"] = extras.get("headless", False)
         self["webrender"] = enable_webrender
 
diff --git a/tests/wpt/web-platform-tests/user-timing/META.yml b/tests/wpt/web-platform-tests/user-timing/META.yml
index a97a31d766b..5cb2a789c09 100644
--- a/tests/wpt/web-platform-tests/user-timing/META.yml
+++ b/tests/wpt/web-platform-tests/user-timing/META.yml
@@ -2,4 +2,3 @@ spec: https://w3c.github.io/user-timing/
 suggested_reviewers:
   - plehegar
   - igrigorik
-  - toddreifsteck
diff --git a/tests/wpt/web-platform-tests/web-share/share-sharePromise-internal-slot.https.html b/tests/wpt/web-platform-tests/web-share/share-sharePromise-internal-slot.https.html
index 5a71eaa4abf..1478158a0c4 100644
--- a/tests/wpt/web-platform-tests/web-share/share-sharePromise-internal-slot.https.html
+++ b/tests/wpt/web-platform-tests/web-share/share-sharePromise-internal-slot.https.html
@@ -10,21 +10,27 @@
     <script src="/resources/testdriver-vendor.js"></script>
   </head>
   <body>
+    <button>
     <script>
+      setup({ allow_uncaught_exception:true });
       promise_test(async t => {
-        const [, promise2, promise3] = await test_driver.bless(
-          "share needs user activation",
-          () => {
-            return [
+        const button = document.querySelector("button");
+        const p = new Promise(r => {
+          button.onclick = () => {
+            const promises = [];
+            promises.push(
               navigator.share({ title: "should be pending" }),
               navigator.share({ title: "should reject" }),
-              navigator.share({ title: "should also reject" }),
-            ];
-          }
-        );
+              navigator.share({ title: "should also reject" })
+            );
+            r(promises);
+          };
+        });
+        test_driver.click(button);
+        const [, promise2, promise3] = await p;
         await Promise.all([
           promise_rejects(t, "InvalidStateError", promise2),
-          promise_rejects(t, "InvalidStateError", promise3),
+          promise_rejects(t, "InvalidStateError", promise3)
         ]);
       }, "Only allow one share call at a time, which is controlled by the [[sharePromise]] internal slot.");
     </script>
diff --git a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive.https.html b/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive.https.html
deleted file mode 100644
index fd0827a526e..00000000000
--- a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive.https.html
+++ /dev/null
@@ -1,15 +0,0 @@
-<!DOCTYPE html>
-<body>
-  <script src=/resources/testharness.js></script>
-  <script src=/resources/testharnessreport.js></script>
-  <script src="resources/webxr_util.js"></script>
-  <script src="resources/webxr_test_constants.js"></script>
-  <script>
-    xr_promise_test(
-      "supportsSession resolves when immersive options supported",
-      () => {
-        return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
-          .then( (controller) => navigator.xr.supportsSession('immersive-vr'));
-      });
-  </script>
-</body>
diff --git a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive_unsupported.https.html b/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive_unsupported.https.html
deleted file mode 100644
index 1d63a2b1c3a..00000000000
--- a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_immersive_unsupported.https.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<!DOCTYPE html>
-<body>
-  <script src=/resources/testharness.js></script>
-  <script src=/resources/testharnessreport.js></script>
-  <script src="resources/webxr_util.js"></script>
-  <script src="resources/webxr_test_constants.js"></script>
-  <script>
-    xr_promise_test(
-      "supportsSession rejects when options not supported",
-      (t) => {
-      return navigator.xr.test.simulateDeviceConnection(VALID_NON_IMMERSIVE_DEVICE)
-        .then( (controller) => {
-          return promise_rejects(
-            t,
-            "NotSupportedError",
-            navigator.xr.supportsSession('immersive-vr')
-          );
-        });
-    });
-  </script>
-</body>
diff --git a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_non_immersive.https.html b/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_non_immersive.https.html
deleted file mode 100644
index b376495d765..00000000000
--- a/tests/wpt/web-platform-tests/webxr/xrDevice_supportsSession_non_immersive.https.html
+++ /dev/null
@@ -1,18 +0,0 @@
-<!DOCTYPE html>
-<body>
-  <script src=/resources/testharness.js></script>
-  <script src=/resources/testharnessreport.js></script>
-  <script src="resources/webxr_util.js"></script>
-  <script src="resources/webxr_test_constants.js"></script>
-  <script>
-    xr_promise_test(
-      "supportsSession resolves when inline options supported",
-      (t) => {
-      return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
-        .then( (controller) => {
-          // Inline sessions should be supported.
-          return navigator.xr.supportsSession('inline');
-        });
-    });
-  </script>
-</body>
diff --git a/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini b/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
index 436b6e96fe7..0e7c48f1481 100644
--- a/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
+++ b/tests/wpt/webgl/meta/conformance2/rendering/canvas-resizing-with-pbo-bound.html.ini
@@ -1,5 +1,4 @@
 [canvas-resizing-with-pbo-bound.html]
-  expected: TIMEOUT
   [WebGL test #0: Unable to fetch WebGL rendering context for Canvas]
     expected: FAIL