diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index d4f62ed7113..faa00f45ecf 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -7,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: TIMEOUT
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 01967ff0a5c..7bd994ff6e9 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -23366,7 +23366,7 @@
    },
    "web-nfc": {
     "NDEFReader-document-hidden-manual.https.html": [
-     "9cf42e83bf306b5272fd753461fb78c3c9a4992f",
+     "10ce53e4a4f40bd0dfae074bf854f3491ea964a6",
      [
       null,
       {}
@@ -24335,6 +24335,19 @@
     ]
    },
    "content-dpr": {
+    "content-dpr-various-elements.html": [
+     "728ef264e9db2231f74459101be07490473fa021",
+     [
+      null,
+      [
+       [
+        "/content-dpr/content-dpr-various-elements-ref.html",
+        "=="
+       ]
+      ],
+      {}
+     ]
+    ],
     "image-pseudo-element-content-dpr.html": [
      "7770df39997206261036029734b2304e6be331b2",
      [
@@ -203162,6 +203175,19 @@
        ]
       ]
      },
+     "not-links.html": [
+      "d49a86fd0ea710d8fd36798e84034f3042e58e81",
+      [
+       null,
+       [
+        [
+         "/css/selectors/not-links-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "of-type-selectors.xhtml": [
       "73ec208b8f219d8d3b74984d65c8e72a997c8470",
       [
@@ -231108,6 +231134,123 @@
       ]
      ],
      "reftests": {
+      "marker-path-001.svg": [
+       "6eeac7fc8f431bd7949bc998af68b36fdc2e1347",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-001-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-002.svg": [
+       "7467c7d52331597d6d80cb33b2292804ce58904b",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-002-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-003.svg": [
+       "a31bf84e52e0f1f36cb42142ff06dcb3ed47f18f",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-003-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-011.svg": [
+       "b6627f86e8cf4c24a7e6b9da2e125104da7a7336",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-011-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-012.svg": [
+       "1586951b1f2a53ac08c0fb178947aa57183849ec",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-012-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-013.svg": [
+       "e7a44351faea715a5ff3c5f3e3a8b127249b0d60",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-013-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-021.svg": [
+       "db4bc629e245f2a17e540be9bbc205f902ea7561",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-021-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-022.svg": [
+       "6a2345ab47078a28fad5775518b341c84c726dae",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-022-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "marker-path-023.svg": [
+       "56fe216e2ff74c89ad4b93b1c811a67516dec724",
+       [
+        null,
+        [
+         [
+          "/svg/painting/reftests/marker-path-023-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "marker-units-strokewidth-non-scaling-stroke.svg": [
        "116c61c45ebfa7d2725df78f3a920fc3c24c7165",
        [
@@ -231998,6 +232141,19 @@
         {}
        ]
       ],
+      "use-inheritance-001.svg": [
+       "5e375b94cd6c15f4ded39f351ce91d67e94b74bd",
+       [
+        null,
+        [
+         [
+          "/svg/struct/reftests/reference/green-100x100.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "use-svg-dimensions-override-001.svg": [
        "c658adce80f82d5ce6457101ecd3b3d3f562ddd9",
        [
@@ -251488,51 +251644,51 @@
      ],
      "presentation-role": {
       "497.html": [
-       "5efa4ab7798027c065871027d247252784bff3ba",
+       "a97df5db893b1e01b9df4abf78791573dc223c5a",
        []
       ],
       "498.html": [
-       "834ba206d70077e3e2d06e7a45e8a5dfb833c62a",
+       "0a910a18fe3c712dcba762aea2f623f5d3afdb0d",
        []
       ],
       "499.html": [
-       "ad2dee407edc0344918b1f73918e10ff8f34e196",
+       "3f751df39bc9bc192e0d5aac2dd5ecb31ba1292b",
        []
       ],
       "500.html": [
-       "578e7a2db72474779d7256550f99f9b13829f3aa",
+       "0ff6cd807a791569fad8f37c9aa3315e1bfbe901",
        []
       ],
       "501.html": [
-       "77cfc2ede08a01fe25d56edd39d2c0f90fb8d4c1",
+       "bdad37ed22eced067c49144b701efe5d0cac5ae1",
        []
       ],
       "502.html": [
-       "ae8c74d5c78911d27b8c7e83dcc7e8f76e3c4669",
+       "d52afe008efc0f7be01f680d35cc9216d25b37f3",
        []
       ],
       "503.html": [
-       "3859142529adc3fc8a9a0d74c0714d1223efa719",
+       "6157cd2fcda6eb5c3984f95a9bfd4f66020ceab9",
        []
       ],
       "504.html": [
-       "ea19a43595765c73f6fe25a99ab9dde6276b50b4",
+       "c96550bc842a419b47323a2c245eb8324a794779",
        []
       ],
       "505.html": [
-       "163156413011faa0a5b90e3971001f6c122fa179",
+       "e4665cb1b18f4eaae6221b8176a2d9fbf6d21883",
        []
       ],
       "506.html": [
-       "495763d77999690ea590efd500f9d5191964bc46",
+       "f92881a1409c004708fa5921a616c2e6fe30d659",
        []
       ],
       "507.html": [
-       "09e6859655e5f9c5cf198432215e916f20e7f3a0",
+       "a88438ec16ce54c66068d8bbe223fca187ce1ea4",
        []
       ],
       "509.html": [
-       "9780ce2ac4e291540f5b561f7ed82d60c7f041c7",
+       "4450eb332fa30387f3d209248806af3ed0c55416",
        []
       ],
       "510.html": [
@@ -258441,6 +258597,10 @@
     }
    },
    "content-dpr": {
+    "content-dpr-various-elements-ref.html": [
+     "9a7e10e51b06ab6a4c2453b8f048cfd8709bd471",
+     []
+    ],
     "image-pseudo-element-content-dpr-ref.html": [
      "baa25ac87c8f96ca630d2a6b508d6f3649fb8bb8",
      []
@@ -304752,6 +304912,10 @@
        []
       ]
      },
+     "not-links-ref.html": [
+      "1efe5943f4e33eb0046fa89dfac8a97eeff3da85",
+      []
+     ],
      "of-type-selectors-ref.xhtml": [
       "ae866213df0112292c3bade7c48ad2d27f9a14f8",
       []
@@ -312364,7 +312528,7 @@
        []
       ],
       "redirect.py": [
-       "eb5c98dd52ff8bc373bfcae42b1b517bd9a2158f",
+       "05129c515ad9433b68a69e43c58059c6c7faa3ba",
        []
       ],
       "sandboxed-iframe.html": [
@@ -312396,7 +312560,7 @@
        []
       ],
       "trickle.py": [
-       "e2c9beec1e077c67b0d83202ba644c018cbace94",
+       "57c9407dc4b2db368b87930163efd6f36b49e849",
        []
       ],
       "utils.js": [
@@ -315253,6 +315417,14 @@
        "30ddeac2e7a3596de3910def1a7066e817873cbe",
        []
       ],
+      "require-corp-sw.js": [
+       "3e2f069ded033f33528c8f850d330c5b4e84e46c",
+       []
+      ],
+      "require-corp-sw.js.headers": [
+       "6604450991a122e3e241e40b1b9e0516c525389d",
+       []
+      ],
       "script-factory.js": [
        "9db755226020479fd87e87f42ea622c999b38f7d",
        []
@@ -319729,7 +319901,7 @@
           []
          ],
          "resolve-url.js": [
-          "cbe97edbbb3caf35f49d4f4859a263e1060d05b8",
+          "cac16d0b492f2362b49625a9961dc6608104d8bf",
           []
          ],
          "resource.py": [
@@ -337423,7 +337595,7 @@
       []
      ],
      "nfc-mock.js": [
-      "ce1ad8e98b35bde2845354459026692e9400216a",
+      "7832a8231efb01f277960afc91adf01cfe3e3ac6",
       []
      ],
      "sensor.mojom.js": [
@@ -341467,6 +341639,42 @@
       []
      ],
      "reftests": {
+      "marker-path-001-ref.svg": [
+       "8f766668e6de36479666f3f27fa8eed317e5dfe8",
+       []
+      ],
+      "marker-path-002-ref.svg": [
+       "c9ee76915bf4156d56be4b6e6c4479c602da182d",
+       []
+      ],
+      "marker-path-003-ref.svg": [
+       "3ba459c7002ad3714e2216ed25d95bbff04bc441",
+       []
+      ],
+      "marker-path-011-ref.svg": [
+       "4d6cc760548f2e05a9fa3f8dc2eb8c5f4b889d23",
+       []
+      ],
+      "marker-path-012-ref.svg": [
+       "ad44874cdadc59204c5c724ea157a3b3da570b38",
+       []
+      ],
+      "marker-path-013-ref.svg": [
+       "e03fc4827ed92502506c01505979cdceb71aef5e",
+       []
+      ],
+      "marker-path-021-ref.svg": [
+       "b452ca7325669a972cc913524ca5c27b5870564a",
+       []
+      ],
+      "marker-path-022-ref.svg": [
+       "2b808f02f0988ab49a8bd6a45af9127910d198cf",
+       []
+      ],
+      "marker-path-023-ref.svg": [
+       "a8e764442bb7dee2ce259082cf7cc0c8d1e143e0",
+       []
+      ],
       "markers-orient-001-ref.svg": [
        "871003f3a2303404696d467a7cfaad729b811206",
        []
@@ -342669,7 +342877,7 @@
       []
      ],
      "serve.py": [
-      "f63bdcca5b00520334d99334a74e748544fc45e1",
+      "e4f0d5efaee37170a9c03a208924e483b2a4608a",
       []
      ],
      "test_functional.py": [
@@ -347299,7 +347507,7 @@
       []
      ],
      "testfiles.py": [
-      "a9a8fe87ba50582d4cd15a6a233a372119ad265c",
+      "f2960e8f51e445e3f6f53ba8e7c0145aa5072038",
       []
      ],
      "tests": {
@@ -348390,7 +348598,7 @@
        []
       ],
       "server.py": [
-       "c037732a6baef31d58b3dff927b074dfcfabb4ff",
+       "9e842802fc0f1b273cd78313275e0bf78dbcaf64",
        []
       ],
       "sslutils": {
@@ -353682,10 +353890,6 @@
         "2db48544a2d7d7f55201043e73297283cd99c263",
         []
        ],
-       "returns-same-object.js": [
-        "c004d8f7e564e2c43860d6f7da6d1cedffc5a9df",
-        []
-       ],
        "setting-members.js": [
         "4c5c8a35ae88ce2d65b1426fdf37230fa261039c",
         []
@@ -353841,6 +354045,10 @@
        "527702f551174f8f2578fce16c7854351126e3a5",
        []
       ],
+      "dynamic-import-data-url-block-cross-origin.js": [
+       "caa15319c55c0ff2302df96391002461f7b4207c",
+       []
+      ],
       "dynamic-import-given-url-worker.js": [
        "55102759352c5564e832e37bb8c7f0e7bd007f4d",
        []
@@ -353865,6 +354073,10 @@
        "56f8a6ffe822ecb8fa0d042cc4c246a3c623f8c6",
        []
       ],
+      "dynamic-import-script-block-cross-origin.js": [
+       "52ec5306635916b5db6cf10de27bc9e171aad529",
+       []
+      ],
       "dynamic-import-worker.js": [
        "2e756fe055e9e9ec815031483b02dc286918ca2c",
        []
@@ -353877,6 +354089,10 @@
        "60080d4292a8033e9824a289eef85574cc6a3a81",
        []
       ],
+      "export-block-cross-origin.js": [
+       "a4b513d280e9eddc105c62cadd6894ac829a705d",
+       []
+      ],
       "export-credentials.py": [
        "be6d2ff2fc17b94d69548746cd25d6b6c471cb0c",
        []
@@ -353957,6 +354173,10 @@
        "2d857a2e90a11af9f52e5d59d15ee30d225deeaf",
        []
       ],
+      "static-import-data-url-block-cross-origin.js": [
+       "833348d66cce77334e10a214d6299d3b0dad085c",
+       []
+      ],
       "static-import-non-existent-script-worker.js": [
        "16f70e9daf4909605746c6614a509afb3cf71ed1",
        []
@@ -353981,6 +354201,10 @@
        "ffcab9e45fdfec17bb2db64f0d4dba3d89ed8308",
        []
       ],
+      "static-import-script-block-cross-origin.js": [
+       "82be8e7ce72edab7050b14cccc658ff39ddfe632",
+       []
+      ],
       "static-import-worker.js": [
        "19a347999d386fd4df8dc831c6d164b27630ef7a",
        []
@@ -377220,7 +377444,7 @@
    },
    "content-dpr": {
     "image-with-dpr-header.html": [
-     "6c4e60844763469bbe21990879191eac0f296230",
+     "bfa1509d46455945acb9b31d6789726b2f860c84",
      [
       null,
       {}
@@ -405732,7 +405956,7 @@
       ]
      ],
      "focus-visible-010.html": [
-      "eb01204b29c8e30b651b083459c01983b99dd70d",
+      "00cd7f0b665d90a82b9939b5451b1e10cf89e5ee",
       [
        null,
        {}
@@ -428317,6 +428541,13 @@
          {}
         ]
        ],
+       "anchor-jsurl-form-submit.html": [
+        "b0534cd52e51e7f13ee42a2ae6e1602d3071d270",
+        [
+         null,
+         {}
+        ]
+       ],
        "child_navigates_parent_location.html": [
         "9111232e26e7de672b9e4df4b47b1c408338ae1c",
         [
@@ -430742,6 +430973,13 @@
        {}
       ]
      ],
+     "require-corp-sw.https.html": [
+      "690ea6314f5c28c1bd8b58cb0d2350831361314f",
+      [
+       null,
+       {}
+      ]
+     ],
      "require-corp.https.html": [
       "6f799b6e4086c1e73654b694174cacc496b2582d",
       [
@@ -432568,7 +432806,7 @@
          ]
         ],
         "utf-16be.html": [
-         "ae28fb6d6a7c08ff3ccc5353139e2842492d9950",
+         "db15896c86c1dfdec07f04ca7f923141ab1d2dfe",
          [
           "html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html?include=appcache",
           {
@@ -432670,16 +432908,10 @@
           {
            "timeout": "long"
           }
-         ],
-         [
-          "html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html?include=xmldocument",
-          {
-           "timeout": "long"
-          }
          ]
         ],
         "utf-16le.html": [
-         "1d0bb574a77bb9a78cba3a8bb4a869ea780944a4",
+         "1a3e4926b466f5ec6b3ee10938a5bc15d884722f",
          [
           "html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html?include=appcache",
           {
@@ -432781,16 +433013,10 @@
           {
            "timeout": "long"
           }
-         ],
-         [
-          "html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html?include=xmldocument",
-          {
-           "timeout": "long"
-          }
          ]
         ],
         "utf-8.html": [
-         "c521c9dc398b4c200bc357d4a66c55efd38f7ae9",
+         "7434dc9176c9f8695a4cf89e2cbec5a7d2ead6f3",
          [
           "html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html?include=appcache",
           {
@@ -432892,16 +433118,10 @@
           {
            "timeout": "long"
           }
-         ],
-         [
-          "html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html?include=xmldocument",
-          {
-           "timeout": "long"
-          }
          ]
         ],
         "windows-1251.html": [
-         "e80e12403aedfdddfd1aa73ed4057316a4e5a931",
+         "1c8ade458826b3a7d8076003b28ea65ba7aa363d",
          [
           "html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html?include=appcache",
           {
@@ -433003,16 +433223,10 @@
           {
            "timeout": "long"
           }
-         ],
-         [
-          "html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html?include=xmldocument",
-          {
-           "timeout": "long"
-          }
          ]
         ],
         "windows-1252.html": [
-         "c2c6b0adeb13df97352f37ccfef9bd6b1fce9e63",
+         "5cefb612eafcd78f477a9464fa6f5aa940508f20",
          [
           "html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html?include=appcache",
           {
@@ -433114,12 +433328,6 @@
           {
            "timeout": "long"
           }
-         ],
-         [
-          "html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html?include=xmldocument",
-          {
-           "timeout": "long"
-          }
          ]
         ]
        }
@@ -438666,7 +438874,7 @@
         ]
        ],
        "object-attributes.html": [
-        "30fdcf520b8b519ab58187f40fd460454ffb39a3",
+        "c630d8055c60c3891a008281878466b86c1eef11",
         [
          null,
          {}
@@ -547143,7 +547351,7 @@
        ]
       ],
       "commitStyles.html": [
-       "ca7d6410d0aa9cd02431cb6f8aab427f941e5cc7",
+       "abda8f10e59febf1cfc3654d4f37c60ccf1e79fa",
        [
         null,
         {}
@@ -548630,7 +548838,7 @@
      ]
     ],
     "NDEFReader_scan.https.html": [
-     "6e66b7d4673d22d8863cabea57d802e92251d3b9",
+     "581412ea35d5d1e25dcc638380aa7fac540c7b9e",
      [
       null,
       {}
@@ -548665,7 +548873,7 @@
      ]
     ],
     "NDEFWriter_write.https.html": [
-     "1cca68c4a9676d7d988f6b46bbba0250ccae40bd",
+     "4ca7faa12bcde0174153953ef351c7ba094caac5",
      [
       null,
       {}
@@ -560068,11 +560276,40 @@
          {}
         ]
        ],
-       "returns-same-object.html": [
-        "b69ea3aa05828c398cc1bc63f677930f9ee70ce0",
+       "returns-same-object.any.js": [
+        "ba9be9ce8a8534bfc17aa20f1df119ce4efad934",
         [
-         null,
-         {}
+         "workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.serviceworker.html",
+         {
+          "script_metadata": [
+           [
+            "global",
+            "!default,worker"
+           ]
+          ]
+         }
+        ],
+        [
+         "workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.sharedworker.html",
+         {
+          "script_metadata": [
+           [
+            "global",
+            "!default,worker"
+           ]
+          ]
+         }
+        ],
+        [
+         "workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.worker.html",
+         {
+          "script_metadata": [
+           [
+            "global",
+            "!default,worker"
+           ]
+          ]
+         }
         ]
        ],
        "setting-members.html": [
@@ -560483,6 +560720,13 @@
        {}
       ]
      ],
+     "shared-worker-import-data-url-cross-origin.html": [
+      "3f22c5094d1b8c167d76af14bdce1dc912451f43",
+      [
+       null,
+       {}
+      ]
+     ],
      "shared-worker-import-data-url.any.js": [
       "81df965b9e1276746c001350658c5ea80334b736",
       [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
new file mode 100644
index 00000000000..4c79907309b
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
@@ -0,0 +1,4 @@
+[CaretPosition-001.html]
+  [Element at (400, 100)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini b/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini
index c3e80f60581..a6c39d50087 100644
--- a/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-handleEvent.html.ini
@@ -8,6 +8,3 @@
   [throws if handleEvent is thruthy and not callable]
     expected: FAIL
 
-  [looks up handleEvent method on every event dispatch]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini b/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini
index c884dc82eab..628b1fab770 100644
--- a/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini
@@ -2,6 +2,3 @@
   [listeners are called when <iframe> is resized]
     expected: FAIL
 
-  [listeners are called correct number of times]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
index 85e94926cb3..5733d536fd3 100644
--- a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
@@ -21,3 +21,6 @@
   [test the top of layer]
     expected: FAIL
 
+  [test some point of the element: top left corner]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
index 171592fc08f..6ef8bb1049f 100644
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
@@ -2,3 +2,6 @@
   [elementsFromPoint on the root document for points in iframe elements]
     expected: FAIL
 
+  [elementsFromPoint on inner documents]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/selectors/focus-visible-010.html.ini b/tests/wpt/metadata/css/selectors/focus-visible-010.html.ini
index 42235598dd9..5a4c19c34aa 100644
--- a/tests/wpt/metadata/css/selectors/focus-visible-010.html.ini
+++ b/tests/wpt/metadata/css/selectors/focus-visible-010.html.ini
@@ -2,3 +2,6 @@
   [Programmatic focus on page load bshould match :focus-visible]
     expected: FAIL
 
+  [Programmatic focus on page load should match :focus-visible]
+    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 a31883f8310..fe7dcc1ce77 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,21 +312,24 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/plain ]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index ac4cbcba706..d2df9b78483 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -53,9 +53,6 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript;charset=windows-1252 error text/javascript]
-    expected: FAIL
-
   [separate text/javascript x/x]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index aa6eb8f6085..30e1b851fd4 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,6 +11,3 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20'NosniFF']
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e670..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/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 6852d7663de..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 iframed documents with URL fragments should be skipped.]
     expected: FAIL
 
-  [Autofocus elements in top-level browsing context's documents with URI fragments should be skipped.]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index 8b743f36e1d..f1aa94c7ced 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -4,7 +4,7 @@
     expected: FAIL
 
   [Element with tabindex should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
     expected: NOTRUN
@@ -16,5 +16,5 @@
     expected: NOTRUN
 
   [Non-HTMLElement should not support autofocus]
-    expected: NOTRUN
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-object-element/object-attributes.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-object-element/object-attributes.html.ini
index b0fc5b3af27..4a3a61735a2 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-object-element/object-attributes.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-object-element/object-attributes.html.ini
@@ -9,3 +9,6 @@
   [object.height]
     expected: FAIL
 
+  [object.contentWindow.name]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
index df6203c766e..61bbf310609 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
@@ -14,3 +14,6 @@
   [X Rendered audio for channel 5 does not equal [0,0.0626220703125,0.125030517578125,0.18695068359375,0.24810791015625,0.308319091796875,0.3673095703125,0.42486572265625,0.480743408203125,0.53472900390625,0.58660888671875,0.636199951171875,0.68328857421875,0.727691650390625,0.76922607421875,0.8077392578125...\] with an element-wise tolerance of {"absoluteThreshold":0.000030517578125,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[1\]\t3.6732959747314453e-1\t6.2622070312500000e-2\t3.0470752716064453e-1\t4.8658168859649127e+0\t3.0517578125000000e-5\n\t[2\]\t6.8329977989196777e-1\t1.2503051757812500e-1\t5.5826926231384277e-1\t4.4650639949963384e+0\t3.0517578125000000e-5\n\t[3\]\t9.0373212099075317e-1\t1.8695068359375000e-1\t7.1678143739700317e-1\t3.8340669508039502e+0\t3.0517578125000000e-5\n\t[4\]\t9.9780619144439697e-1\t2.4810791015625000e-1\t7.4969828128814697e-1\t3.0216621502152523e+0\t3.0517578125000000e-5\n\t[5\]\t9.5236867666244507e-1\t3.0831909179687500e-1\t6.4404958486557007e-1\t2.0889059484187866e+0\t3.0517578125000000e-5\n\t...and 44059 more errors.\n\tMax AbsError of 1.9986916780471802e+0 at index of 29020.\n\t[29020\]\t9.9994289875030518e-1\t-9.9874877929687500e-1\t1.9986916780471802e+0\t2.0011956154322119e+0\t3.0517578125000000e-5\n\tMax RelError of Infinity at index of 12348.\n\t[12348\]\t9.5105654001235962e-1\t0.0000000000000000e+0\t9.5105654001235962e-1\tInfinity\t3.0517578125000000e-5\n]
     expected: FAIL
 
+  [X Rendered audio for channel 5 does not equal [0,0.0626220703125,0.125030517578125,0.18695068359375,0.24810791015625,0.308319091796875,0.3673095703125,0.42486572265625,0.480743408203125,0.53472900390625,0.58660888671875,0.636199951171875,0.68328857421875,0.727691650390625,0.76922607421875,0.8077392578125...\] with an element-wise tolerance of {"absoluteThreshold":0.000030517578125,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[1\]\t3.6732959747314453e-1\t6.2622070312500000e-2\t3.0470752716064453e-1\t4.8658168859649127e+0\t3.0517578125000000e-5\n\t[2\]\t6.8329977989196777e-1\t1.2503051757812500e-1\t5.5826926231384277e-1\t4.4650639949963384e+0\t3.0517578125000000e-5\n\t[3\]\t9.0373212099075317e-1\t1.8695068359375000e-1\t7.1678143739700317e-1\t3.8340669508039502e+0\t3.0517578125000000e-5\n\t[4\]\t9.9780619144439697e-1\t2.4810791015625000e-1\t7.4969828128814697e-1\t3.0216621502152523e+0\t3.0517578125000000e-5\n\t[5\]\t9.5236867666244507e-1\t3.0831909179687500e-1\t6.4404958486557007e-1\t2.0889059484187866e+0\t3.0517578125000000e-5\n\t...and 42286 more errors.\n\tMax AbsError of 1.9962286949157715e+0 at index of 12332.\n\t[12332\]\t9.9879217147827148e-1\t-9.9743652343750000e-1\t1.9962286949157715e+0\t2.0013591321441684e+0\t3.0517578125000000e-5\n\tMax RelError of Infinity at index of 10584.\n\t[10584\]\t-5.8778524398803711e-1\t0.0000000000000000e+0\t5.8778524398803711e-1\tInfinity\t3.0517578125000000e-5\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index 3805c4ec8f2..3390c574de3 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -134,3 +134,9 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[19030\]\t-7.1927757971934625e-8\t-7.3546999692916870e-1\t7.3546992500141073e-1\t9.9999990220164214e-1\t3.8985999999999999e-3\n\t[19031\]\t-3.6017334461212158e-1\t-6.9157749414443970e-1\t3.3140414953231812e-1\t4.7920030992665957e-1\t3.8985999999999999e-3\n\t[38059\]\t-1.5020843591173616e-7\t-9.8956179618835449e-1\t9.8956164597991858e-1\t9.9999984820711907e-1\t3.8985999999999999e-3\n\t[38060\]\t-8.8409073650836945e-2\t-9.9664616584777832e-1\t9.0823709219694138e-1\t9.1129341918891205e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.8956164597991858e-1 at index of 38059.\n\tMax RelError of 9.9999990220164214e-1 at index of 19030.\n]
     expected: FAIL
 
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[19030\]\t-2.2063343510520240e+31\t-7.3546999692916870e-1\t2.2063343510520240e+31\t2.9998971545599442e+31\t3.8985999999999999e-3\n\t[19031\]\t-3.6017334461212158e-1\t-6.9157749414443970e-1\t3.3140414953231812e-1\t4.7920030992665957e-1\t3.8985999999999999e-3\n\t[38059\]\t-5.1072609003262559e+31\t-9.8956179618835449e-1\t5.1072609003262559e+31\t5.1611338675347697e+31\t3.8985999999999999e-3\n\t[38060\]\t-8.8409073650836945e-2\t-9.9664616584777832e-1\t9.0823709219694138e-1\t9.1129341918891205e-1\t3.8985999999999999e-3\n\tMax AbsError of 5.1072609003262559e+31 at index of 38059.\n\tMax RelError of 5.1611338675347697e+31 at index of 38059.\n]
+    expected: FAIL
+
+  [X SNR (-591.4728047569859 dB) is not greater than or equal to 65.737. Got -591.4728047569859.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
deleted file mode 100644
index 663a1f8fa30..00000000000
--- a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[018.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, javascript:]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js.ini b/tests/wpt/metadata/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js.ini
new file mode 100644
index 00000000000..33bb59b5df5
--- /dev/null
+++ b/tests/wpt/metadata/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js.ini
@@ -0,0 +1,7 @@
+[returns-same-object.any.serviceworker.html]
+  expected: ERROR
+
+[returns-same-object.any.sharedworker.html]
+  expected: ERROR
+
+[returns-same-object.any.worker.html]
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/497.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/497.html
index 5efa4ab7798..a97df5db893 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/497.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/497.html
@@ -5,7 +5,7 @@
 <title>Test 497 Image element with role="presentation" but with a reference to a description </title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-describedby="foo"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-describedby="foo"/>
 <p id="foo">
 This is an image.
 </p>
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/498.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/498.html
index 834ba206d70..0a910a18fe3 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/498.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/498.html
@@ -5,7 +5,7 @@
 <title>Test 498 Image element with role="presentation" but aria-disabled="true" </title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-disabled="true"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-disabled="true"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/499.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/499.html
index ad2dee407ed..3f751df39bc 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/499.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/499.html
@@ -5,7 +5,7 @@
 <title>Test 499 Image element with role="presentation" but aria-dropeffect="move" </title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-dropeffect="move"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-dropeffect="move"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/500.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/500.html
index 578e7a2db72..0ff6cd807a7 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/500.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/500.html
@@ -5,7 +5,7 @@
 <title>Test 500 Image element with role="presentation" but with a valid aria-flowto attribute</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-flowto="test2"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-flowto="test2"/>
 <div role="img" id="test2">
 </div>
 </body>
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/501.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/501.html
index 77cfc2ede08..bdad37ed22e 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/501.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/501.html
@@ -5,7 +5,7 @@
 <title>Test 501 Image element with role="presentation" but with aria-grabbed="true"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-grabbed="true"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-grabbed="true"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/502.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/502.html
index ae8c74d5c78..d52afe008ef 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/502.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/502.html
@@ -5,7 +5,7 @@
 <title>Test 502 Image element with role="presentation" but with aria-haspopup="true"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-haspopup="true"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-haspopup="true"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/503.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/503.html
index 3859142529a..6157cd2fcda 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/503.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/503.html
@@ -5,7 +5,7 @@
 <title>Test 503 Image element with role="presentation" but with aria-hidden="true"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-hidden="true"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-hidden="true"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/504.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/504.html
index ea19a435957..c96550bc842 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/504.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/504.html
@@ -5,7 +5,7 @@
 <title>Test 504 Image element with role="presentation" but with aria-invalid="true"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-invalid="true"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-invalid="true"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/505.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/505.html
index 16315641301..e4665cb1b18 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/505.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/505.html
@@ -5,7 +5,7 @@
 <title>Test 505 Image element with role="presentation" but with aria-label="test"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-label="test"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-label="test"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/506.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/506.html
index 495763d7799..f92881a1409 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/506.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/506.html
@@ -5,7 +5,7 @@
 <title>Test 506 Image element with role="presentation" but with a valid aria-labelledby attribute</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-labelledby="test2"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-labelledby="test2"/>
 <div id="test2">
 test_label
 </div>
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/507.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/507.html
index 09e6859655e..a88438ec16c 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/507.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/507.html
@@ -5,7 +5,7 @@
 <title>Test 507 Image element with role="presentation" but with aria-live="assertive"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-live="assertive"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-live="assertive"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/509.html b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/509.html
index 9780ce2ac4e..4450eb332fa 100644
--- a/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/509.html
+++ b/tests/wpt/web-platform-tests/conformance-checkers/html-aria/presentation-role/509.html
@@ -5,7 +5,7 @@
 <title>Test 509 Image element with role="presentation" but with aria-relevant="text"</title>
 </head>
 <body>
-<img src="foo.jpg" alt="test1" width="40" height="40" role="presentation" aria-live="polite" aria-relevant="text"/>
+<img src="foo.jpg" alt="" width="40" height="40" role="presentation" aria-live="polite" aria-relevant="text"/>
 </body>
 </html>
 
diff --git a/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements-ref.html b/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements-ref.html
new file mode 100644
index 00000000000..9a7e10e51b0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements-ref.html
@@ -0,0 +1,48 @@
+<html>
+  <head>
+    <title>Content-DPR: various elements</title>
+    <link rel="author" title="Noam Rosenthal" href="noam@webkit.org">
+    <meta name="assert" content="Assert that content-dpr is taken into account for images in all relevant elements (input/canvas/svg/video-poster)">
+    <style>
+      .row {
+        display: flex;
+      }
+
+      .row > * {
+        object-fit: none;
+        object-position: top left;
+        margin: 5px;
+        width: 100px;
+        height: 100px;
+        background: yellow;
+      }
+    </style>
+    <script>
+    document.addEventListener("DOMContentLoaded", () => {
+        const canvas = document.getElementById('canvas')
+        const image = new Image()
+        image.onload = () => {
+          const ctx = canvas.getContext('2d')
+          ctx.drawImage(image, 0, 0, 50, 50)
+        }
+        image.src = "resources/square.png"
+    });
+    </script>
+  </head>
+  <body>
+    <p>There following green boxes should all be 50px by 50px (cover 25% of the yellow boxes)</p>
+    <div class="row">
+      <div>
+        <img src="resources/square.png" width="50" height="50" />
+      </div>
+      <div>
+        <video poster="resources/square.png" width="50" height="50"></video>
+      </div>
+      <svg xmlns="http://www.w3.org/2000/svg" ><image href="resources/square.png"  width="50" height="50" /></svg>
+      <div>
+        <input type="image" src="resources/square.png" width="50" height="50" />
+      </div>
+      <canvas id="canvas" width="100" height="100">
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements.html b/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements.html
new file mode 100644
index 00000000000..728ef264e9d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/content-dpr/content-dpr-various-elements.html
@@ -0,0 +1,47 @@
+<html>
+  <head>
+    <title>Content-DPR: various elements</title>
+    <link rel="author" title="Noam Rosenthal" href="noam@webkit.org">
+    <link rel="match" href="content-dpr-various-elements-ref.html" />
+    <meta name="assert" content="Assert that content-dpr is taken into account for images in all relevant elements (input/canvas/svg/video-poster)">
+    <style>
+      .row {
+        display: flex;
+      }
+
+      .row > * {
+        object-fit: none;
+        object-position: top left;
+        margin: 5px;
+        width: 100px;
+        height: 100px;
+        background: yellow;
+      }
+    </style>
+    <script>
+    document.addEventListener("DOMContentLoaded", () => {
+        const canvas = document.getElementById('canvas')
+        const image = new Image()
+        image.onload = () => {
+          const ctx = canvas.getContext('2d')
+          ctx.drawImage(image, 0, 0)
+        }
+        image.src = "resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=canvas"
+    });
+    </script>
+  </head>
+  <body>
+    <p>There following green boxes should all be 50px by 50px (cover 25% of the yellow boxes)</p>
+    <div class="row">
+      <div>
+        <img src="resources/square.png" width="50" height="50" />
+      </div>
+      <video poster="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=2"></video>
+      <svg xmlns="http://www.w3.org/2000/svg" ><image href="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=3" /></svg>
+      <div>
+        <input type="image" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=4" />
+      </div>
+      <canvas id="canvas" width="100" height="100">
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/content-dpr/image-with-dpr-header.html b/tests/wpt/web-platform-tests/content-dpr/image-with-dpr-header.html
index 6c4e6084476..bfa1509d464 100644
--- a/tests/wpt/web-platform-tests/content-dpr/image-with-dpr-header.html
+++ b/tests/wpt/web-platform-tests/content-dpr/image-with-dpr-header.html
@@ -7,6 +7,8 @@
 <img id="smaller_than_one" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=0.5">
 <img id="srcset" srcset="resources/square.png 4x">
 <img id="invalid" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=xx">
+<img id="invalid_negative" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=-2">
+<img id="invalid_zero" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=0">
 <img id="header_and_srcset_invalid" srcset="resources/dpr.py?name=square.png&mimeType=image/png&dpr=xx 4x">
 <img id="header_and_srcset_valid" srcset="resources/dpr.py?name=square.png&mimeType=image/png&dpr=4.0 2x">
 <img id="explicit_width" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=4.0" width="100" height="100">
@@ -21,6 +23,8 @@
             assert_equals(document.getElementById("smaller_than_one").naturalWidth, 200, "Smaller than one Content-DPR header value")
             assert_equals(document.getElementById("srcset").naturalWidth, 25, "srcset")
             assert_equals(document.getElementById("invalid").naturalWidth, 100, "Invalid Content-DPR header value")
+            assert_equals(document.getElementById("invalid_negative").naturalWidth, 100, "Negative Content-DPR header value")
+            assert_equals(document.getElementById("invalid_zero").naturalWidth, 100, "Zero Content-DPR header value")
             assert_equals(document.getElementById("header_and_srcset_invalid").naturalWidth, 25, "Invalid Content-DPR header value with valid srcset")
             assert_equals(document.getElementById("header_and_srcset_valid").naturalWidth, 25, "Value Content-DPR header value and srcset")
             assert_equals(document.getElementById("explicit_width").naturalWidth, 25, "Explicit width attribute")
diff --git a/tests/wpt/web-platform-tests/css/selectors/focus-visible-010.html b/tests/wpt/web-platform-tests/css/selectors/focus-visible-010.html
index eb01204b29c..00cd7f0b665 100644
--- a/tests/wpt/web-platform-tests/css/selectors/focus-visible-010.html
+++ b/tests/wpt/web-platform-tests/css/selectors/focus-visible-010.html
@@ -35,7 +35,7 @@
         assert_equals(getComputedStyle(el).outlineColor, "rgb(0, 100, 0)");
         t.done();
       }));
-    }, "Programmatic focus on page load bshould match :focus-visible");
+    }, "Programmatic focus on page load should match :focus-visible");
   </script>
 </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html b/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html
new file mode 100644
index 00000000000..1efe5943f4e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/not-links-ref.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<title>Test that *:not(:link):not(:visited) does not match links</title>
+<body>
+  <a href="#">Unvisited</a>
+  <a href="">Visited</a>
+  <span style="background-color: green">Green</span>
+  <p>
+    Only "Green" should have a green background.
+  </p>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/selectors/not-links.html b/tests/wpt/web-platform-tests/css/selectors/not-links.html
new file mode 100644
index 00000000000..d49a86fd0ea
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/not-links.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Test that *:not(:link):not(:visited) does not match links</title>
+<link rel="match" href="not-links-ref.html">
+<link rel="help" href="https://drafts.csswg.org/selectors-4/#negation">
+<style>
+  body > *:not(:link):not(:visited) {
+    background-color: green;
+  }
+</style>
+<body>
+  <a href="#">Unvisited</a>
+  <a href="">Visited</a>
+  <span>Green</span>
+  <p style="background-color: initial">
+    Only "Green" should have a green background.
+  </p>
+</body>
diff --git a/tests/wpt/web-platform-tests/fetch/api/resources/redirect.py b/tests/wpt/web-platform-tests/fetch/api/resources/redirect.py
index eb5c98dd52f..05129c515ad 100644
--- a/tests/wpt/web-platform-tests/fetch/api/resources/redirect.py
+++ b/tests/wpt/web-platform-tests/fetch/api/resources/redirect.py
@@ -1,7 +1,7 @@
-from urllib import urlencode
-from urlparse import urlparse
 import time
 
+from six.moves.urllib.parse import urlencode, urlparse
+
 def main(request, response):
     stashed_data = {'count': 0, 'preflight': "0"}
     status = 302
diff --git a/tests/wpt/web-platform-tests/fetch/api/resources/trickle.py b/tests/wpt/web-platform-tests/fetch/api/resources/trickle.py
index e2c9beec1e0..57c9407dc4b 100644
--- a/tests/wpt/web-platform-tests/fetch/api/resources/trickle.py
+++ b/tests/wpt/web-platform-tests/fetch/api/resources/trickle.py
@@ -1,5 +1,7 @@
 import time
 
+from six.moves import xrange
+
 def main(request, response):
     delay = float(request.GET.first("ms", 500)) / 1E3
     count = int(request.GET.first("count", 50))
diff --git a/tests/wpt/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/anchor-jsurl-form-submit.html b/tests/wpt/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/anchor-jsurl-form-submit.html
new file mode 100644
index 00000000000..b0534cd52e5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/browsers/browsing-the-web/navigating-across-documents/anchor-jsurl-form-submit.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="author" title="Joey Arhar" href="mailto:jarhar@chromium.org">
+<link rel="help" href="https://html.spec.whatwg.org/C/#following-hyperlinks">
+<title>Anchor element with onclick form submission and href to javascript: url</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<!-- When an anchor element has an onclick handler which submits a form,
+  the anchor's navigation should occur instead of the form's navigation.
+  However, if the anchor has an href which returns undefined, then the form
+  should be submitted. -->
+
+<iframe name="test"></iframe>
+<form target="test" action="form.html"></form>
+<a id="anchor" target="test" onclick="document.forms[0].submit()" href="javascript:void(0)">Test</a>
+
+<script>
+async_test(t => {
+  const anchor = document.getElementById('anchor');
+  t.step(() => anchor.click());
+  window.onmessage = t.step_func(event => {
+    if (typeof event.data === 'string' && event.data.includes('navigation')) {
+      assert_equals(event.data, 'form navigation');
+      t.done();
+    }
+  });
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw.https.html
new file mode 100644
index 00000000000..690ea6314f5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw.https.html
@@ -0,0 +1,37 @@
+<!doctype html>
+<title>Cross Origin Embedder Policy: requests initiated from a service worker with 'require-corp'</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script>
+'use strict';
+
+const SCRIPT = 'resources/require-corp-sw.js';
+const SCOPE = 'resources/in-scope';
+let worker = null;
+
+promise_test(async t => {
+  const registration =
+      await service_worker_unregister_and_register(t, SCRIPT, SCOPE);
+  promise_test(async t => registration.unregister(), 'Clean up global state');
+  worker = registration.installing;
+  await wait_for_state(t, worker, 'activated');
+}, 'Set up global state');
+
+promise_test(async t => {
+  const p = new Promise(resolve =>
+      navigator.serviceWorker.addEventListener('message', resolve,
+                                               {once: true}));
+  worker.postMessage('WithCorp');
+  assert_equals((await p).data, 'opaque');
+}, "fetch() to 'CORP: cross-origin' response should succeed.");
+
+promise_test(async t => {
+  const p = new Promise(resolve =>
+      navigator.serviceWorker.addEventListener('message', resolve,
+                                               {once: true}));
+  worker.postMessage('WithoutCorp');
+  assert_equals((await p).data, 'TypeError: Failed to fetch');
+}, "fetch() to no CORP response should not succeed.");
+</script>
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js
new file mode 100644
index 00000000000..3e2f069ded0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js
@@ -0,0 +1,27 @@
+// Service worker with 'COEP: require-corp' response header.
+// This service worker issues a network request for a resource with or without
+// CORP response header.
+
+importScripts("/common/get-host-info.sub.js");
+
+self.addEventListener('message', e => {
+  e.waitUntil((async () => {
+    let result;
+    try {
+      let url;
+      if (e.data === 'WithCorp') {
+        url = get_host_info().HTTPS_REMOTE_ORIGIN +
+            '/html/cross-origin-embedder-policy/resources/' +
+            'nothing-cross-origin-corp.txt';
+      } else if (e.data === 'WithoutCorp') {
+        url = get_host_info().HTTPS_REMOTE_ORIGIN + '/common/blank.html';
+      }
+      const response = await fetch(url, { mode: 'no-cors' });
+      result = response.type;
+    } catch (error) {
+      result = `${error.name}: ${error.message}`;
+    } finally {
+      e.source.postMessage(result);
+    }
+  })());
+});
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js.headers b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js.headers
new file mode 100644
index 00000000000..6604450991a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js.headers
@@ -0,0 +1 @@
+Cross-Origin-Embedder-Policy: require-corp
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/resources/resolve-url.js b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/resources/resolve-url.js
index cbe97edbbb3..cac16d0b492 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/resources/resolve-url.js
+++ b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/resources/resolve-url.js
@@ -353,16 +353,6 @@ onload = function() {
   }, 'EventSource#url',
   {help:'https://html.spec.whatwg.org/multipage/#dom-eventsource'});
 
-  // XMLDocument#load()
-  subsetTestByKey('xmldocument', async_test, function() {
-    var doc = document.implementation.createDocument(null, "x");
-    doc.load(input_url_svg);
-    doc.onload = this.step_func_done(function() {
-      assert_equals(doc.documentElement.textContent, expected_current);
-    });
-  }, 'XMLDocument#load()',
-  {help:'https://html.spec.whatwg.org/multipage/#dom-xmldocument-load'});
-
   // window.open
   subsetTestByKey('window-open', async_test, function() {
     var id = 'test_window_open';
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html
index ae28fb6d6a7..db15896c86c 100644
Binary files a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html and b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html differ
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html
index 1d0bb574a77..1a3e4926b46 100644
Binary files a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html and b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html differ
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html
index c521c9dc398..7434dc9176c 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html
+++ b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html
@@ -8,7 +8,6 @@
 <meta name="variant" content="?include=base-href">
 <meta name="variant" content="?include=workers">
 <meta name="variant" content="?include=eventsource">
-<meta name="variant" content="?include=xmldocument">
 <meta name="variant" content="?include=window-open">
 <meta name="variant" content="?include=hyperlink-search">
 <meta name="variant" content="?include=history">
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html
index e80e12403ae..1c8ade45882 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html
+++ b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html
@@ -8,7 +8,6 @@
 <meta name="variant" content="?include=base-href">
 <meta name="variant" content="?include=workers">
 <meta name="variant" content="?include=eventsource">
-<meta name="variant" content="?include=xmldocument">
 <meta name="variant" content="?include=window-open">
 <meta name="variant" content="?include=hyperlink-search">
 <meta name="variant" content="?include=history">
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html
index c2c6b0adeb1..5cefb612eaf 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html
+++ b/tests/wpt/web-platform-tests/html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html
@@ -8,7 +8,6 @@
 <meta name="variant" content="?include=base-href">
 <meta name="variant" content="?include=workers">
 <meta name="variant" content="?include=eventsource">
-<meta name="variant" content="?include=xmldocument">
 <meta name="variant" content="?include=window-open">
 <meta name="variant" content="?include=hyperlink-search">
 <meta name="variant" content="?include=history">
diff --git a/tests/wpt/web-platform-tests/html/semantics/embedded-content/the-object-element/object-attributes.html b/tests/wpt/web-platform-tests/html/semantics/embedded-content/the-object-element/object-attributes.html
index 30fdcf520b8..c630d8055c6 100644
--- a/tests/wpt/web-platform-tests/html/semantics/embedded-content/the-object-element/object-attributes.html
+++ b/tests/wpt/web-platform-tests/html/semantics/embedded-content/the-object-element/object-attributes.html
@@ -7,34 +7,44 @@
 <body onload="on_load()">
 <div id="log"></div>
 <form>
-  <object id="obj1" data="blue.html" name="o" height="50" width="100"></object>
+  <object id="obj1" data="/common/blank.html" name="o" height="50" width="100"></object>
   <object id="obj2" name="p" type="image/png"></object>
+  <object id="obj3" data="missing.html" name="o3" height="50" width="100"></object>
 </form>
 <script>
   var obj1;
   var obj2;
+  var obj3;
   var t1 = async_test("object.contentWindow");
+  var t2 = async_test("object.contentWindow.name");
   var t3 = async_test("object.width");
   var t4 = async_test("object.height");
 
   setup(function() {
     obj1 = document.getElementById("obj1");
     obj2 = document.getElementById("obj2");
+    obj3 = document.getElementById("obj3");
   });
 
   function on_load () {
     t1.step(function() {
-      assert_equals(obj1.contentWindow.name, "o", "The contentWindow's name of the object element should be 'o'.");
+      assert_not_equals(obj1.contentWindow, null, "The contentWindow of the object element should not be null.");
       assert_equals(obj2.contentWindow, null, "The contentWindow of the object element should be null when it type attribute starts with 'image/'.");
-      obj1.setAttribute("name", "o1");
-      assert_equals(obj1.name, "o1", "The name of the object element should be 'o1'.");
-      assert_equals(obj1.contentWindow.name, "o1", "The contentWindow's name of the object element should be 'o1'.");
-      obj1.removeAttribute("name");
-      assert_equals(obj1.name, "", "The name of the object element should be empty string.");
-      assert_equals(obj1.contentWindow.name, "", "The contentWindow's name of the object element should be empty string.");
+      assert_equals(obj3.contentWindow, null, "The contentWindow of the object element should be null as it is showing fallback content.");
     });
     t1.done()
 
+    t2.step(function() {
+      assert_equals(obj1.contentWindow.name, "o", "The contentWindow's name of the object element should be 'o'.");
+      obj1.setAttribute("name", "o1");
+      assert_equals(obj1.name, "o1", "The name of the object element should be 'o1'.");
+      assert_equals(obj1.contentWindow.name, "o", "The contentWindow's name of the object element should still be 'o'.");
+      obj1.removeAttribute("name");
+      assert_equals(obj1.name, "", "The name of the object element should be empty string.");
+      assert_equals(obj1.contentWindow.name, "o", "The contentWindow's name of the object element should still be 'o'.");
+    });
+    t2.done()
+
     t3.step(function() {
       assert_equals(getComputedStyle(obj1, null)["width"], "100px", "The width should be 100px.");
     });
diff --git a/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js b/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
index ce1ad8e98b3..7832a8231ef 100644
--- a/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
+++ b/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
@@ -144,8 +144,13 @@ var WebNFCTest = (() => {
       this.bindingSet_ = new mojo.BindingSet(device.mojom.NFC);
 
       this.interceptor_ = new MojoInterfaceInterceptor(device.mojom.NFC.name);
-      this.interceptor_.oninterfacerequest =
-          e => this.bindingSet_.addBinding(this, e.handle);
+      this.interceptor_.oninterfacerequest = e => {
+        if (this.should_close_pipe_on_request_)
+          e.handle.close();
+        else
+          this.bindingSet_.addBinding(this, e.handle);
+      }
+
       this.interceptor_.start();
 
       this.hw_status_ = NFCHWStatus.ENABLED;
@@ -159,6 +164,7 @@ var WebNFCTest = (() => {
       this.operations_suspended_ = false;
       this.is_formatted_tag_ = false;
       this.data_transfer_failed_ = false;
+      this.should_close_pipe_on_request_ = false;
     }
 
     // NFC delegate functions.
@@ -278,6 +284,7 @@ var WebNFCTest = (() => {
       this.cancelPendingPushOperation();
       this.is_formatted_tag_ = false;
       this.data_transfer_failed_ = false;
+      this.should_close_pipe_on_request_ = false;
     }
 
     cancelPendingPushOperation() {
@@ -360,6 +367,10 @@ var WebNFCTest = (() => {
     simulateDataTransferFails() {
       this.data_transfer_failed_ = true;
     }
+
+    simulateClosedPipe() {
+      this.should_close_pipe_on_request_ = true;
+    }
   }
 
   let testInternal = {
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001-ref.svg
new file mode 100644
index 00000000000..8f766668e6d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001-ref.svg
@@ -0,0 +1,91 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+
+    <path id="PStart" transform="matrix(2,0,0,2,0,-10)" d="M 0 0 L 10 5 L 0 10 z" fill="green"/>
+    <path id="PMid"   transform="matrix(2,0,0,2,0,-10)" d="M 0 0 L 10 5 L 0 10 z" fill="orange"/>
+    <path id="PEnd"   transform="matrix(2,0,0,2,0,-10)" d="M 0 0 L 10 5 L 0 10 z" fill="blue"/>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 50,120   50,0    50,0     50,0"/>
+    <path d="m 50,140   50,20   50,-20   50,20"/>
+
+    <path d="m 50,200 l 50,0  l 50,0   l 50,0"/>
+    <path d="m 50,220 l 50,20 l 50,-20 l 50,20"/>
+
+    <path d="m 50,280 h 50 v 50 h 50"/>
+
+    <path d="M 290,120   340,120   390,120   440,120"/>
+    <path d="M 290,140   340,160   390,140   440,160"/>
+
+    <path d="M 290,200 L 340,200 L 390,200 L 440,200"/>
+    <path d="M 290,220 L 340,240 L 390,220 L 440,240"/>
+
+    <path d="M 290,280 H 340 V 330 H 390"/>
+
+    <g id="ref" style="stroke:none">
+      <g id="linear">
+        <use xlink:href="#PStart" transform="translate(50,120)"/>
+        <use xlink:href="#PMid"   transform="translate(100,120)"/>
+        <use xlink:href="#PMid"   transform="translate(150,120)"/>
+        <use xlink:href="#PEnd"   transform="translate(200,120)"/>
+      </g>
+      <g id="zigzag">
+        <path d="m 50,140 50,20"        style="marker-start:url(#Start)"/>
+        <path d="m 50,160 50,0 50,0"    style="marker-mid:url(#Mid)"/>
+        <path d="m 100,140 50,0 50,0"   style="marker-mid:url(#Mid)"/>
+        <path d="m 150,140 50,20"       style="marker-end:url(#End)"/>
+      </g>
+      <g id="step">
+        <path d="m 50,280 50,0"         style="marker-start:url(#Start)"/>
+        <path d="m 50,230 50,50 50,50"  style="marker-mid:url(#Mid)"/>
+        <path d="m 50,280 50,50 50,50"  style="marker-mid:url(#Mid)"/>
+        <path d="m 100,330 50,0"        style="marker-end:url(#End)"/>
+      </g>
+
+      <use xlink:href="#linear"  transform="translate(0,80)"/>
+      <use xlink:href="#zigzag"  transform="translate(0,80)"/>
+    </g>
+
+    <use xlink:href="#ref" transform="translate(240,0)"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001.svg
new file mode 100644
index 00000000000..6eeac7fc8f4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-001.svg
@@ -0,0 +1,64 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-001-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m 50,120   50,0    50,0     50,0"/>
+    <path d="m 50,140   50,20   50,-20   50,20"/>
+
+    <path d="m 50,200 l 50,0  l 50,0   l 50,0"/>
+    <path d="m 50,220 l 50,20 l 50,-20 l 50,20"/>
+
+    <path d="m 50,280 h 50 v 50 h 50"/>
+
+    <path d="M 290,120   340,120   390,120   440,120"/>
+    <path d="M 290,140   340,160   390,140   440,160"/>
+
+    <path d="M 290,200 L 340,200 L 390,200 L 440,200"/>
+    <path d="M 290,220 L 340,240 L 390,220 L 440,240"/>
+
+    <path d="M 290,280 H 340 V 330 H 390"/>
+</g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002-ref.svg
new file mode 100644
index 00000000000..c9ee76915bf
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002-ref.svg
@@ -0,0 +1,78 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 50,120  c 20,20 30,-20 50,0 c 20,20 30,-20 50,0 c 20,20 30,-20 50,0"/>
+    <path d="m 50,150  c 20,20 30,-20 50,0 s       30,-20 50,0 s       30,-20 50,0"/>
+
+    <path d="m 50,240  q 25,25 50,0  q 25,-25 50,0  q 25,25 50,0"/>
+    <path d="m 50,270  q 25,25 50,0  t        50,0  t       50,0"/>
+
+    <path d="M 290,120 C 310,140 320,100, 340,120 C 360,140 370,100 390,120 C 410,140 420,100 440,120"/>
+    <path d="M 290,150 C 310,170 320,130, 340,150 S         370,130 390,150 S         420,130 440,150"/>
+
+    <path d="M 290,240 Q 315,265 340,240  Q 365,215 390,240  Q 415,265 440,240"/>
+    <path d="M 290,270 Q 315,295 340,270  T         390,270  T         440,270"/>
+
+    <g id="cubic">
+      <path d="m  50,120 20,20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,120 20,20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,120 20,20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,120 20,20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#cubic"  transform="translate(240,  0)"/>
+    <use xlink:href="#cubic"  transform="translate(  0, 30)"/>
+    <use xlink:href="#cubic"  transform="translate(240, 30)"/>
+
+    <g id="quadratic">
+      <path d="m  50,240 20, 20"  style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,240 20,-20"  style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,240 20, 20"  style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,240 20,-20"  style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#quadratic"  transform="translate(240,  0)"/>
+    <use xlink:href="#quadratic"  transform="translate(  0, 30)"/>
+    <use xlink:href="#quadratic"  transform="translate(240, 30)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002.svg
new file mode 100644
index 00000000000..7467c7d5233
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-002.svg
@@ -0,0 +1,60 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-002-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m 50,120  c 20,20 30,-20 50,0 c 20,20 30,-20 50,0 c 20,20 30,-20 50,0"/>
+    <path d="m 50,150  c 20,20 30,-20 50,0 s       30,-20 50,0 s       30,-20 50,0"/>
+
+    <path d="m 50,240  q 25,25 50,0  q 25,-25 50,0  q 25,25 50,0"/>
+    <path d="m 50,270  q 25,25 50,0  t        50,0  t       50,0"/>
+
+    <path d="M 290,120 C 310,140 320,100, 340,120 C 360,140 370,100 390,120 C 410,140 420,100 440,120"/>
+    <path d="M 290,150 C 310,170 320,130, 340,150 S         370,130 390,150 S         420,130 440,150"/>
+
+    <path d="M 290,240 Q 315,265 340,240  Q 365,215 390,240  Q 415,265 440,240"/>
+    <path d="M 290,270 Q 315,295 340,270  T         390,270  T         440,270"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003-ref.svg
new file mode 100644
index 00000000000..3ba459c7002
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003-ref.svg
@@ -0,0 +1,70 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m  50,120  a 30,20 90 0 0 50,0  a 30,20 90 0 1 50,0  a 30,20 90 0 0 50,0"/>
+
+    <path d="m  50,240  a 30,20 90 0 1 50,0  a 30,20 90 0 0 50,0  a 30,20 90 0 1 50,0"/>
+
+    <path d="M 290,120  A 30,20 90 0 0 340,120  A 30,20 90 0 1 390,120  A 30,20 90 0 0 440,120"/>
+
+    <path d="M 290,240  A 30,20 90 0 1 340,240  A 30,20 90 0 0 390,240  A 30,20 90 0 1 440,240"/>
+
+    <g id="down">
+      <path d="m  50,120 0, 20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,120 0,-20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,120 0, 20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,120 0,-20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#down"  transform="translate(240,  0)"/>
+
+    <g id="up">
+      <path d="m  50,240 0,-20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,240 0, 20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,240 0,-20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,240 0, 20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#up"  transform="translate(240,  0)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003.svg
new file mode 100644
index 00000000000..a31bf84e52e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-003.svg
@@ -0,0 +1,56 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-003-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m  50,120  a 30,20 90 0 0 50,0  a 30,20 90 0 1 50,0  a 30,20 90 0 0 50,0"/>
+
+    <path d="m  50,240  a 30,20 90 0 1 50,0  a 30,20 90 0 0 50,0  a 30,20 90 0 1 50,0"/>
+
+    <path d="M 290,120  A 30,20 90 0 0 340,120  A 30,20 90 0 1 390,120  A 30,20 90 0 0 440,120"/>
+
+    <path d="M 290,240  A 30,20 90 0 1 340,240  A 30,20 90 0 0 390,240  A 30,20 90 0 1 440,240"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011-ref.svg
new file mode 100644
index 00000000000..4d6cc760548
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011-ref.svg
@@ -0,0 +1,83 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 50,120   50,0  m 50,0     50,0"/>
+    <path d="m 50,140   50,20 m 50,-20   50,20"/>
+
+    <path d="m 50,200 l 50,0  m 50,0   l 50,0"/>
+    <path d="m 50,220 l 50,20 m 50,-20 l 50,20"/>
+
+    <path d="m 50,280 h 50 m 0,50 h 50"/>
+
+    <path d="M 290,120   340,120 M 390,120   440,120"/>
+    <path d="M 290,140   340,160 M 390,140   440,160"/>
+
+    <path d="M 290,200 L 340,200 M 390,200 L 440,200"/>
+    <path d="M 290,220 L 340,240 M 390,220 L 440,240"/>
+
+    <path d="M 290,280 H 340 M 340,330 H 390"/>
+
+    <g id="linear">
+      <path d="m  50,120 50,0"    style="stroke:none;marker-start:url(#Start);marker-end:url(#Mid)"/>
+      <path d="m 150,120 50,0"    style="stroke:none;marker-start:url(#Mid);  marker-end:url(#End)"/>
+    </g>
+    <use xlink:href="#linear"  transform="translate(240,  0)"/>
+    <use xlink:href="#linear"  transform="translate(  0, 80)"/>
+    <use xlink:href="#linear"  transform="translate(240, 80)"/>
+
+    <g id="zigzag">
+      <path d="m  50,140 50,20"   style="stroke:none;marker-start:url(#Start);marker-end:url(#Mid)"/>
+      <path d="m 150,140 50,20"   style="stroke:none;marker-start:url(#Mid);  marker-end:url(#End)"/>
+    </g>
+    <use xlink:href="#zigzag"  transform="translate(240,  0)"/>
+    <use xlink:href="#zigzag"  transform="translate(  0, 80)"/>
+    <use xlink:href="#zigzag"  transform="translate(240, 80)"/>
+
+    <g id="step">
+      <path d="m  50,280 50,0"    style="stroke:none;marker-start:url(#Start);marker-end:url(#Mid)"/>
+      <path d="m 100,330 50,0"    style="stroke:none;marker-start:url(#Mid);  marker-end:url(#End)"/>
+    </g>
+    <use xlink:href="#step"  transform="translate(240,  0)"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011.svg
new file mode 100644
index 00000000000..b6627f86e8c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-011.svg
@@ -0,0 +1,64 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-011-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m 50,120   50,0  m 50,0     50,0"/>
+    <path d="m 50,140   50,20 m 50,-20   50,20"/>
+
+    <path d="m 50,200 l 50,0  m 50,0   l 50,0"/>
+    <path d="m 50,220 l 50,20 m 50,-20 l 50,20"/>
+
+    <path d="m 50,280 h 50 m 0,50 h 50"/>
+
+    <path d="M 290,120   340,120 M 390,120   440,120"/>
+    <path d="M 290,140   340,160 M 390,140   440,160"/>
+
+    <path d="M 290,200 L 340,200 M 390,200 L 440,200"/>
+    <path d="M 290,220 L 340,240 M 390,220 L 440,240"/>
+
+    <path d="M 290,280 H 340 M 340,330 H 390"/>
+</g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012-ref.svg
new file mode 100644
index 00000000000..ad44874cdad
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012-ref.svg
@@ -0,0 +1,70 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 50,120  c 20,20 30,-20 50,0 m 50,0 c 20,20 30,-20 50,0"/>
+
+    <path d="m 50,240  q 25,25 50,0  m 50,0  q 25,25 50,0"/>
+
+    <path d="M 290,120 C 310,140 320,100, 340,120 M 390,120 C 410,140 420,100 440,120"/>
+
+    <path d="M 290,240 Q 315,265 340,240  M 390,240  Q 415,265 440,240"/>
+
+    <g id="cubic">
+      <path d="m  50,120 20,20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,120 20,20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,120 20,20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,120 20,20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#cubic"  transform="translate(240,  0)"/>
+
+    <g id="quadratic">
+      <path d="m  50,240 20, 20"  style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,240 20,-20"  style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,240 20, 20"  style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,240 20,-20"  style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#quadratic"  transform="translate(240,  0)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012.svg
new file mode 100644
index 00000000000..1586951b1f2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-012.svg
@@ -0,0 +1,56 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-012-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m 50,120  c 20,20 30,-20 50,0 m 50,0 c 20,20 30,-20 50,0"/>
+
+    <path d="m 50,240  q 25,25 50,0  m 50,0  q 25,25 50,0"/>
+
+    <path d="M 290,120 C 310,140 320,100, 340,120 M 390,120 C 410,140 420,100 440,120"/>
+
+    <path d="M 290,240 Q 315,265 340,240  M 390,240  Q 415,265 440,240"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013-ref.svg
new file mode 100644
index 00000000000..e03fc4827ed
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013-ref.svg
@@ -0,0 +1,70 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m  50,120  a 30,20 90 0 0 50,0     m  50,0    a 30,20 90 0 0 50,0"/>
+
+    <path d="m  50,240  a 30,20 90 0 1 50,0     m  50,0    a 30,20 90 0 1 50,0"/>
+
+    <path d="M 290,120  A 30,20 90 0 0 340,120  M 390,120  A 30,20 90 0 0 440,120"/>
+
+    <path d="M 290,240  A 30,20 90 0 1 340,240  M 390,240  A 30,20 90 0 1 440,240"/>
+
+    <g id="down">
+      <path d="m  50,120 0, 20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,120 0,-20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,120 0, 20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,120 0,-20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#down"  transform="translate(240,  0)"/>
+
+    <g id="up">
+      <path d="m  50,240 0,-20"   style="stroke:none;marker-start:url(#Start)"/>
+      <path d="m 100,240 0, 20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 150,240 0,-20"   style="stroke:none;marker-start:url(#Mid)"/>
+      <path d="m 200,240 0, 20"   style="stroke:none;marker-start:url(#End)"/>
+    </g>
+    <use xlink:href="#up"  transform="translate(240,  0)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013.svg
new file mode 100644
index 00000000000..e7a44351fae
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-013.svg
@@ -0,0 +1,56 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Sub-Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-013-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2;marker-start:url(#Start);marker-mid:url(#Mid);marker-end:url(#End)">
+    <path d="m  50,120  a 30,20 90 0 0 50,0     m  50,0    a 30,20 90 0 0 50,0"/>
+
+    <path d="m  50,240  a 30,20 90 0 1 50,0     m  50,0    a 30,20 90 0 1 50,0"/>
+
+    <path d="M 290,120  A 30,20 90 0 0 340,120  M 390,120  A 30,20 90 0 0 440,120"/>
+
+    <path d="M 290,240  A 30,20 90 0 1 340,240  M 390,240  A 30,20 90 0 1 440,240"/>
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021-ref.svg
new file mode 100644
index 00000000000..b452ca73256
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021-ref.svg
@@ -0,0 +1,75 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 120,100 -40,40 40,40 40,-40 z" />
+    <path d="m 240,100 -40,40 40,40 40,-40 z" />
+    <path d="m 360,100 -40,40 40,40 40,-40 z" />
+
+    <path d="m  60,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" />
+    <path d="m 200,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" />
+    <path d="m 340,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" />
+
+    <!-- Arrows -->
+    <path d="m 120,100 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+    <path d="m 200,140   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,180  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 280,140   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 360,100 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+    <path d="m  60,200 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+
+    <path d="m 160,240   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,280  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,240   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,200 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 220,300   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,340  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 300,300   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,260 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 400,260 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021.svg
new file mode 100644
index 00000000000..db4bc629e24
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-021.svg
@@ -0,0 +1,56 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Linear).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-021-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 120,100 -40,40 40,40 40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 240,100 -40,40 40,40 40,-40 z" style="marker-mid:url(#Mid)"    />
+    <path d="m 360,100 -40,40 40,40 40,-40 z" style="marker-end:url(#End)"    />
+
+    <path d="m  60,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 200,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" style="marker-mid:url(#Mid)"    />
+    <path d="m 340,200 -40,40 40,40 40,-40 z  m 60,60 -40,40 40,40 40,-40 z" style="marker-end:url(#End)"    />
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022-ref.svg
new file mode 100644
index 00000000000..2b808f02f09
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022-ref.svg
@@ -0,0 +1,75 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 120,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 240,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m 360,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <path d="m 60,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 200,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m 340,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <!-- Arrows -->
+    <path d="m 120,100 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+    <path d="m 200,140   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,180  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 280,140   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 360,100 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+    <path d="m  60,200 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+
+    <path d="m 160,240   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,280  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,240   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,200 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 220,300   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,340  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 300,300   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,260 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 400,260 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022.svg
new file mode 100644
index 00000000000..6a2345ab470
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-022.svg
@@ -0,0 +1,56 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Bezier).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-022-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m 120,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 240,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m 360,100 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <path d="m 60,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m 200,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m 340,200 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z m 60,60 c -40,0 -40,0 -40,40 c 0,40 0,40 40,40 c 40,0 40,0 40,-40 c 0,-40 0,-40 -40,-40 z" style="marker-end:url(#End)"/>
+</g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023-ref.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023-ref.svg
new file mode 100644
index 00000000000..a8e764442bb
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023-ref.svg
@@ -0,0 +1,75 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-reference" style="fill:none;stroke:black;stroke-width:2">
+    <path d="m  120,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m  240,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m  360,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <path d="m   60,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m  200,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m  340,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <!-- Arrows -->
+    <path d="m 120,100 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+    <path d="m 200,140   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,180  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 280,140   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 360,100 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+    <path d="m  60,200 -40,  0"   style="stroke:none;marker-start:url(#Start)"/>
+
+    <path d="m 160,240   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,280  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 240,240   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 200,200 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 220,300   0, 40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,340  40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 300,300   0,-40"   style="stroke:none;marker-start:url(#Mid)"/>
+    <path d="m 260,260 -40,  0"   style="stroke:none;marker-start:url(#Mid)"/>
+
+    <path d="m 400,260 -40,  0"   style="stroke:none;marker-start:url(#End)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023.svg b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023.svg
new file mode 100644
index 00000000000..56fe216e2ff
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/reftests/marker-path-023.svg
@@ -0,0 +1,58 @@
+<svg id="svg-root"
+  width="100%" height="100%" viewBox="0 0 480 360"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink"
+  xmlns:html="http://www.w3.org/1999/xhtml">
+  <g id="testmeta">
+    <title>Markers on Closed Sub-Path (Arc).</title>
+    <html:link rel="author"
+          title="Tavmjong Bah"
+          href="http://tavmjong.free.fr"/>
+    <html:link rel="help"
+          href="https://www.w3.org/TR/SVG2/painting.html#Markers"/>
+    <html:link rel="match"  href="marker-path-023-ref.svg" />
+  </g>
+
+  <defs>
+    <marker id="Start"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="green">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="Mid"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="orange">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+    <marker id="End"
+            viewBox="0 0 10 10" refX="0" refY="5"
+            markerUnits="strokeWidth"
+            markerWidth="12"
+            markerHeight="9"
+            orient="auto"
+            fill="blue">
+      <path d="M 0 0 L 10 5 L 0 10 z"/>
+    </marker>
+  </defs>
+
+  <g id="test-body-content" style="fill:none;stroke:black;stroke-width:2">
+
+    <path d="m  120,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m  240,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m  360,100  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-end:url(#End)"/>
+
+    <path d="m   60,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-start:url(#Start)"/>
+    <path d="m  200,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-mid:url(#Mid)"/>
+    <path d="m  340,200  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z m 60,60  a 40,40 0 0 0 -40,40  a  40,40 0 0 0 40,40 a 40,40 0 0 0 40,-40 a 40,40 0 0 0 -40,-40 z" style="marker-end:url(#End)"/>
+
+  </g>
+
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/struct/reftests/use-inheritance-001.svg b/tests/wpt/web-platform-tests/svg/struct/reftests/use-inheritance-001.svg
new file mode 100644
index 00000000000..5e375b94cd6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/struct/reftests/use-inheritance-001.svg
@@ -0,0 +1,35 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <title>Use property inheritance in SVG2</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/struct.html#UseStyleInheritance"/>
+    <h:link rel="match" href="reference/green-100x100.svg"/>
+    <h:link rel="author" title="Mike Bremford" href="http://bfo.com"/>
+  </metadata>
+  <style>
+  use rect { stroke: red }
+  .container rect { fill: red; stroke: red }
+  rect { stroke-width: 40px; stroke: green }
+  rect:root { opacity: 0 }
+  </style>
+  <defs>
+    <g class="container">
+      <rect id="r" x="20" y="20" width="60" height="60" style="fill-opacity:1"/>
+    </g>
+  </defs>
+  <g>
+    <use href="#r" xlink:href="#r" style="fill: green; fill-opacity:0"/>
+  </g>
+  <!--
+  This presume the SVG2 use inheritance rules, in SVG1 it will display as red.
+
+  1. The "rect" cloned by the "use" element is in a shadow DOM, so it DOES NOT
+     inherit the stroke from the "use rect" or ".container rect" style rules.
+  2. The cloned "rect" DOES get the rules set by the "rect" style rule, as that
+     still matches elements in the shadow DOM.
+  3. The "rect" DOES inherit "fill: green" from the <use>
+  4. The "rect"'s own "fill-opacity: 1" overrides the "fill-opacity: 0" inherited
+     from the "use" element.
+  5. Even though "rect" is considered to have no parent, it is not a root element
+     so does not match the rect:root style rule
+  -->
+</svg>
diff --git a/tests/wpt/web-platform-tests/tools/serve/serve.py b/tests/wpt/web-platform-tests/tools/serve/serve.py
index f63bdcca5b0..e4f0d5efaee 100644
--- a/tests/wpt/web-platform-tests/tools/serve/serve.py
+++ b/tests/wpt/web-platform-tests/tools/serve/serve.py
@@ -35,7 +35,7 @@ from mod_pywebsocket import standalone as pywebsocket
 
 EDIT_HOSTS_HELP = ("Please ensure all the necessary WPT subdomains "
                    "are mapped to a loopback device in /etc/hosts. "
-                   "See https://github.com/web-platform-tests/wpt#running-the-tests "
+                   "See https://web-platform-tests.org/running-tests/from-local-system.html#system-setup "
                    "for instructions.")
 
 
diff --git a/tests/wpt/web-platform-tests/tools/wpt/testfiles.py b/tests/wpt/web-platform-tests/tools/wpt/testfiles.py
index a9a8fe87ba5..f2960e8f51e 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/testfiles.py
+++ b/tests/wpt/web-platform-tests/tools/wpt/testfiles.py
@@ -278,8 +278,8 @@ def affected_testfiles(files_changed,  # type: Iterable[Text]
             full_path = os.path.join(wpt_root, repo_path[1:].replace("/", os.path.sep))
         nontest_changed_paths.add((full_path, repo_path))
 
-    interface_name = lambda x: os.path.splitext(os.path.basename(x))[0]
-    interfaces_changed_names = map(interface_name, interfaces_changed)
+    interfaces_changed_names = [os.path.splitext(os.path.basename(interface))[0]
+                                for interface in interfaces_changed]
 
     def affected_by_wdspec(test):
         # type: (str) -> bool
@@ -299,7 +299,7 @@ def affected_testfiles(files_changed,  # type: Iterable[Text]
 
     def affected_by_interfaces(file_contents):
         # type: (Union[bytes, Text]) -> bool
-        if len(interfaces_changed) > 0:
+        if len(interfaces_changed_names) > 0:
             if 'idlharness.js' in file_contents:
                 for interface in interfaces_changed_names:
                     regex = '[\'"]' + interface + '(\\.idl)?[\'"]'
diff --git a/tests/wpt/web-platform-tests/tools/wptserve/wptserve/server.py b/tests/wpt/web-platform-tests/tools/wptserve/wptserve/server.py
index c037732a6ba..9e842802fc0 100644
--- a/tests/wpt/web-platform-tests/tools/wptserve/wptserve/server.py
+++ b/tests/wpt/web-platform-tests/tools/wptserve/wptserve/server.py
@@ -65,9 +65,9 @@ handler returns, or for directly writing to the output stream.
 
 
 EDIT_HOSTS_HELP = ("Please ensure all the necessary WPT subdomains "
-                  "are mapped to a loopback device in /etc/hosts. "
-                  "See https://github.com/web-platform-tests/wpt#running-the-tests "
-                  "for instructions.")
+                   "are mapped to a loopback device in /etc/hosts. "
+                   "See https://web-platform-tests.org/running-tests/from-local-system.html#system-setup "
+                   "for instructions.")
 
 
 class RequestRewriter(object):
diff --git a/tests/wpt/web-platform-tests/web-animations/interfaces/Animation/commitStyles.html b/tests/wpt/web-platform-tests/web-animations/interfaces/Animation/commitStyles.html
index ca7d6410d0a..abda8f10e59 100644
--- a/tests/wpt/web-platform-tests/web-animations/interfaces/Animation/commitStyles.html
+++ b/tests/wpt/web-platform-tests/web-animations/interfaces/Animation/commitStyles.html
@@ -166,6 +166,18 @@ test(t => {
   assert_numeric_style_equals(getComputedStyle(div).width, 100);
 }, 'Commits em units as pixel values');
 
+test(t => {
+  const div = createDiv(t);
+  const animation = div.animate(
+    { transform: 'translate(20px, 20px)' },
+    { duration: 1, fill: 'forwards' }
+  );
+  animation.finish();
+  animation.commitStyles();
+  animation.cancel();
+  assert_equals(getComputedStyle(div).transform, 'matrix(1, 0, 0, 1, 20, 20)');
+}, 'Commits transforms');
+
 promise_test(async t => {
   const div = createDiv(t);
   div.style.opacity = '0.1';
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFReader-document-hidden-manual.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFReader-document-hidden-manual.https.html
index 9cf42e83bf3..10ce53e4a4f 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFReader-document-hidden-manual.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFReader-document-hidden-manual.https.html
@@ -5,9 +5,11 @@
 <link rel="help" href="https://w3c.github.io/web-nfc/#visible-document">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<script src="resources/nfc-helpers.js"></script>
 <script>
 
-promise_test(async t => {
+nfc_test(async (t, mockNFC) => {
+  mockNFC.simulateClosedPipe();
   const reader = new NDEFReader();
   const readerWatcher = new EventWatcher(t, reader, ["reading", "error"]);
   const promise = readerWatcher.wait_for("reading").then(event => {
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
index 6e66b7d4673..581412ea35d 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
@@ -47,7 +47,8 @@ promise_test(async t => {
 
 // We do not provide NFC mock here to simulate that there has no available
 // implementation for NFC Mojo interface.
-promise_test(async t => {
+nfc_test(async (t, mockNFC) => {
+  mockNFC.simulateClosedPipe();
   if (window.testRunner) {
     window.testRunner.setPermission('nfc', 'granted',
                                     location.origin, location.origin);
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFWriter_write.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFWriter_write.https.html
index 1cca68c4a96..4ca7faa12bc 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFWriter_write.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFWriter_write.https.html
@@ -156,7 +156,8 @@ promise_test(async t => {
 
 // We do not provide NFC mock here to simulate that there has no available
 // implementation for NFC Mojo interface.
-promise_test(async t => {
+nfc_test(async (t, mockNFC) => {
+  mockNFC.simulateClosedPipe();
   if (window.testRunner) {
     // Deny nfc permissions for Chromium testrunner.
     window.testRunner.setPermission('nfc', 'granted',
diff --git a/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js b/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js
new file mode 100644
index 00000000000..ba9be9ce8a8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.any.js
@@ -0,0 +1,5 @@
+// META: global=!default,worker
+
+test(function() {
+  assert_equals(location, location);
+}, 'location === location');
diff --git a/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.html b/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.html
deleted file mode 100644
index b69ea3aa058..00000000000
--- a/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<!doctype html>
-<title>location === location</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
-<script>
-async_test(function() {
-  var worker = new Worker('returns-same-object.js');
-  worker.onmessage = this.step_func(function(e) {
-    assert_true(e.data);
-    this.done();
-  });
-});
-</script>
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.js b/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.js
deleted file mode 100644
index c004d8f7e56..00000000000
--- a/tests/wpt/web-platform-tests/workers/interfaces/WorkerGlobalScope/location/returns-same-object.js
+++ /dev/null
@@ -1 +0,0 @@
-postMessage(location === location);
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-data-url-block-cross-origin.js b/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-data-url-block-cross-origin.js
new file mode 100644
index 00000000000..caa15319c55
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-data-url-block-cross-origin.js
@@ -0,0 +1,24 @@
+const sourcePromise = new Promise(resolve => {
+  if ('DedicatedWorkerGlobalScope' in self &&
+      self instanceof DedicatedWorkerGlobalScope) {
+    self.onmessage = e => {
+      resolve(e.target);
+    };
+  } else if (
+      'SharedWorkerGlobalScope' in self &&
+      self instanceof SharedWorkerGlobalScope) {
+    self.onconnect = e => {
+      resolve(e.ports[0]);
+    };
+  }
+});
+
+const importedModulesPromise =
+  import("data:text/javascript, export const importedModules = ['export-block-cross-origin.js'];")
+    .then(module => module.importedModules)
+    .catch(() => ['ERROR']);
+
+Promise.all([sourcePromise, importedModulesPromise]).then(results => {
+  const [source, importedModules] = results;
+  source.postMessage(importedModules);
+});
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-script-block-cross-origin.js b/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-script-block-cross-origin.js
new file mode 100644
index 00000000000..52ec5306635
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/dynamic-import-script-block-cross-origin.js
@@ -0,0 +1,24 @@
+const sourcePromise = new Promise(resolve => {
+  if ('DedicatedWorkerGlobalScope' in self &&
+      self instanceof DedicatedWorkerGlobalScope) {
+    self.onmessage = e => {
+      resolve(e.target);
+    };
+  } else if (
+      'SharedWorkerGlobalScope' in self &&
+      self instanceof SharedWorkerGlobalScope) {
+    self.onconnect = e => {
+      resolve(e.ports[0]);
+    };
+  }
+});
+
+const importedModulesPromise =
+  import('./export-block-cross-origin.js')
+    .then(module => module.importedModules)
+    .catch(() => ['ERROR']);
+
+Promise.all([sourcePromise, importedModulesPromise]).then(results => {
+  const [source, importedModules] = results;
+  source.postMessage(importedModules);
+});
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/export-block-cross-origin.js b/tests/wpt/web-platform-tests/workers/modules/resources/export-block-cross-origin.js
new file mode 100644
index 00000000000..a4b513d280e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/export-block-cross-origin.js
@@ -0,0 +1 @@
+export const importedModules = ['export-block-cross-origin.js'];
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/static-import-data-url-block-cross-origin.js b/tests/wpt/web-platform-tests/workers/modules/resources/static-import-data-url-block-cross-origin.js
new file mode 100644
index 00000000000..833348d66cc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/static-import-data-url-block-cross-origin.js
@@ -0,0 +1,14 @@
+import * as module from "data:text/javascript, export const importedModules = ['export-block-cross-origin.js'];";
+
+if ('DedicatedWorkerGlobalScope' in self &&
+    self instanceof DedicatedWorkerGlobalScope) {
+  self.onmessage = e => {
+    e.target.postMessage(module.importedModules);
+  };
+} else if (
+    'SharedWorkerGlobalScope' in self &&
+    self instanceof SharedWorkerGlobalScope) {
+  self.onconnect = e => {
+    e.ports[0].postMessage(module.importedModules);
+  };
+}
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/static-import-script-block-cross-origin.js b/tests/wpt/web-platform-tests/workers/modules/resources/static-import-script-block-cross-origin.js
new file mode 100644
index 00000000000..82be8e7ce72
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/static-import-script-block-cross-origin.js
@@ -0,0 +1,14 @@
+import * as module from './export-block-cross-origin.js';
+
+if ('DedicatedWorkerGlobalScope' in self &&
+    self instanceof DedicatedWorkerGlobalScope) {
+  self.onmessage = e => {
+    e.target.postMessage(module.importedModules);
+  };
+} else if (
+    'SharedWorkerGlobalScope' in self &&
+    self instanceof SharedWorkerGlobalScope) {
+  self.onconnect = e => {
+    e.ports[0].postMessage(module.importedModules);
+  };
+}
diff --git a/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-data-url-cross-origin.html b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-data-url-cross-origin.html
new file mode 100644
index 00000000000..3f22c5094d1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-data-url-cross-origin.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<title>SharedWorker: ES modules for data URL workers</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+const import_from_data_url_worker_test = (importType, isDataURL, expectation) => {
+  promise_test(async () => {
+    const importURL = new URL(`resources/${importType}-import-` +
+        `${isDataURL ? 'data-url' : 'script'}-block-cross-origin.js`,
+        location.href) + '?pipe=header(Access-Control-Allow-Origin, *)';
+    const dataURL = `data:text/javascript,import "${importURL}";`;
+    const worker = new SharedWorker(dataURL, { type: 'module' });
+    worker.port.postMessage('Send message for tests from main script.');
+    const msgEvent =
+        await new Promise(resolve => worker.port.onmessage = resolve);
+    assert_array_equals(msgEvent.data,
+        expectation === 'blocked' ? ['ERROR']
+                                  : ['export-block-cross-origin.js']);
+  }, `${importType} import ${isDataURL ? 'data url' : 'script'} from data: ` +
+     `URL should be ${expectation}.`);
+}
+
+// Static import should obey the outside settings.
+// SecurityOrigin of the outside settings is decided by Window.
+import_from_data_url_worker_test('static', true, 'allowed');
+import_from_data_url_worker_test('static', false, 'allowed');
+
+
+// Dynamic import should obey the inside settings.
+// SecurityOrigin of the inside settings is a unique opaque origin.
+//
+// Data url script is cross-origin to the inside settings' SecurityOrigin, but
+// dynamic importing it is allowed.
+// https://fetch.spec.whatwg.org/#concept-main-fetch
+// Step 5: request’s current URL’s scheme is "data" [spec text]
+import_from_data_url_worker_test('dynamic', true, 'allowed');
+
+// Non-data url script is cross-origin to the inside settings' SecurityOrigin.
+// It should be blocked.
+import_from_data_url_worker_test('dynamic', false, 'blocked');
+
+</script>