Auto merge of #23285 - servo-wpt-sync:wpt_update_29-04-2019, r=servo-wpt-sync

Sync WPT with upstream (29-04-2019)

Automated downstream sync of changes from upstream as of 29-04-2019.
[no-wpt-sync]

31 files changed, 611 insertions, 57 deletions

diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 2efe60b7fc6..4631dd191aa 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -127153,9 +127153,9 @@
      {}
     ]
    ],
-   "css/css-lists/counter-reset-increment-display-contents.html": [
+   "css/css-lists/counter-reset-increment-set-display-contents.html": [
     [
-     "css/css-lists/counter-reset-increment-display-contents.html",
+     "css/css-lists/counter-reset-increment-set-display-contents.html",
      [
       [
        "/css/css-lists/counter-7-ref.html",
@@ -127165,9 +127165,9 @@
      {}
     ]
    ],
-   "css/css-lists/counter-reset-increment-display-none.html": [
+   "css/css-lists/counter-reset-increment-set-display-none.html": [
     [
-     "css/css-lists/counter-reset-increment-display-none.html",
+     "css/css-lists/counter-reset-increment-set-display-none.html",
      [
       [
        "/css/css-lists/counter-7-ref.html",
@@ -127189,6 +127189,42 @@
      {}
     ]
    ],
+   "css/css-lists/counter-set-001.html": [
+    [
+     "css/css-lists/counter-set-001.html",
+     [
+      [
+       "/css/css-lists/counter-set-001-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-lists/li-list-item-counter.html": [
+    [
+     "css/css-lists/li-list-item-counter.html",
+     [
+      [
+       "/css/css-lists/li-list-item-counter-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-lists/li-value-counter-reset-001.html": [
+    [
+     "css/css-lists/li-value-counter-reset-001.html",
+     [
+      [
+       "/css/css-lists/li-value-counter-reset-001-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-lists/li-with-height-001.html": [
     [
      "css/css-lists/li-with-height-001.html",
@@ -130969,6 +131005,42 @@
      {}
     ]
    ],
+   "css/css-multicol/multicol-span-all-button-001.html": [
+    [
+     "css/css-multicol/multicol-span-all-button-001.html",
+     [
+      [
+       "/css/css-multicol/multicol-span-all-button-001-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-multicol/multicol-span-all-button-002.html": [
+    [
+     "css/css-multicol/multicol-span-all-button-002.html",
+     [
+      [
+       "/css/css-multicol/multicol-span-all-button-002-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-multicol/multicol-span-all-button-003.html": [
+    [
+     "css/css-multicol/multicol-span-all-button-003.html",
+     [
+      [
+       "/css/css-multicol/multicol-span-all-button-003-ref.html",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-multicol/multicol-span-all-children-height-001.html": [
     [
      "css/css-multicol/multicol-span-all-children-height-001.html",
@@ -270609,6 +270681,21 @@
      {}
     ]
    ],
+   "css/css-lists/counter-set-001-ref.html": [
+    [
+     {}
+    ]
+   ],
+   "css/css-lists/li-list-item-counter-ref.html": [
+    [
+     {}
+    ]
+   ],
+   "css/css-lists/li-value-counter-reset-001-ref.html": [
+    [
+     {}
+    ]
+   ],
    "css/css-lists/li-with-height-001-ref.html": [
     [
      {}
@@ -271454,6 +271541,21 @@
      {}
     ]
    ],
+   "css/css-multicol/multicol-span-all-button-001-ref.html": [
+    [
+     {}
+    ]
+   ],
+   "css/css-multicol/multicol-span-all-button-002-ref.html": [
+    [
+     {}
+    ]
+   ],
+   "css/css-multicol/multicol-span-all-button-003-ref.html": [
+    [
+     {}
+    ]
+   ],
    "css/css-multicol/multicol-span-all-children-height-001-ref.html": [
     [
      {}
@@ -535945,7 +536047,7 @@
    "support"
   ],
   "css/CSS2/lists/counter-reset-increment-002.xht": [
-   "bf422ba1eb890076652160080389d708360b5f0a",
+   "8dc50ca60b242153e74307021c9ab7435ab149a6",
    "reftest"
   ],
   "css/CSS2/lists/counter-reset-multiple-001.xht": [
@@ -593464,18 +593566,26 @@
    "938015937025272c14a52b5839d65784ccb757bc",
    "reftest"
   ],
-  "css/css-lists/counter-reset-increment-display-contents.html": [
-   "a59576b25345032b80580a64d4775969e824f999",
+  "css/css-lists/counter-reset-increment-set-display-contents.html": [
+   "6508df0da150a92e42032c546f2cf4ac6c171859",
    "reftest"
   ],
-  "css/css-lists/counter-reset-increment-display-none.html": [
-   "3b344a751c1da2d3c15feab1cdba078cc3c4590a",
+  "css/css-lists/counter-reset-increment-set-display-none.html": [
+   "510fd8b6482be5a9007c111c6f8478bb659d72b0",
    "reftest"
   ],
   "css/css-lists/counter-reset-inside-display-contents.html": [
    "85c137e675e55a54c4ab3834469ab3d13aa32725",
    "reftest"
   ],
+  "css/css-lists/counter-set-001-ref.html": [
+   "be06ea1dc948b4f4cc9331f494dc90a5787170de",
+   "support"
+  ],
+  "css/css-lists/counter-set-001.html": [
+   "3be4c737c2ba0cc9af542413b7df7d682486efff",
+   "reftest"
+  ],
   "css/css-lists/inheritance.html": [
    "590319d63fd09466f4d5fffe6943b4ff0430fcee",
    "testharness"
@@ -593484,6 +593594,22 @@
    "0fae6e3f6036c46b8f658304787da5879913296f",
    "testharness"
   ],
+  "css/css-lists/li-list-item-counter-ref.html": [
+   "8340d6d7f65aebaee0cebf0317092050bb33b4e2",
+   "support"
+  ],
+  "css/css-lists/li-list-item-counter.html": [
+   "b9a1196cabce1924b74bbd66d84917f02a4186a9",
+   "reftest"
+  ],
+  "css/css-lists/li-value-counter-reset-001-ref.html": [
+   "9afb1ecfa059dda219c63d6e4d6381ac5c251d4e",
+   "support"
+  ],
+  "css/css-lists/li-value-counter-reset-001.html": [
+   "0e91c3a03d618a9d17194c883f80fd90899d4459",
+   "reftest"
+  ],
   "css/css-lists/li-with-height-001-ref.html": [
    "486009d5604ab7a2cb66df735efff3c11c00b685",
    "support"
@@ -595664,6 +595790,30 @@
    "83debd12d20b9f78d5beaf338ae7f068ed6bf693",
    "support"
   ],
+  "css/css-multicol/multicol-span-all-button-001-ref.html": [
+   "d25ecd08c85978ff34c964d2c95f339d7c69b6ae",
+   "support"
+  ],
+  "css/css-multicol/multicol-span-all-button-001.html": [
+   "14833091c8f1bd7804e4ad1a082d3cc0f039d0d9",
+   "reftest"
+  ],
+  "css/css-multicol/multicol-span-all-button-002-ref.html": [
+   "c9ec677335e4969ff10e10d98a43ce680dc5dbce",
+   "support"
+  ],
+  "css/css-multicol/multicol-span-all-button-002.html": [
+   "874cb130dee2ab8ba00e8beb29a4eae07138ddcf",
+   "reftest"
+  ],
+  "css/css-multicol/multicol-span-all-button-003-ref.html": [
+   "337f9c763aadb85c440f9811cab90ac8bccf8ffd",
+   "support"
+  ],
+  "css/css-multicol/multicol-span-all-button-003.html": [
+   "fc15c94a306f406bcf8e232a3021cf568a878a43",
+   "reftest"
+  ],
   "css/css-multicol/multicol-span-all-children-height-001-ref.html": [
    "e95210fed257c34d8c265259c7694497c1ff712d",
    "support"
@@ -600861,7 +601011,7 @@
    "testharness"
   ],
   "css/css-scroll-snap/overflowing-snap-areas.html": [
-   "8f6698d02064a05709c91b63a5905ca0f9dd992f",
+   "ee31847fddd16ec9d4a5b1e799c73461009f9e1a",
    "testharness"
   ],
   "css/css-scroll-snap/parsing/scroll-margin-block-invalid.html": [
@@ -648721,7 +648871,7 @@
    "testharness"
   ],
   "fetch/api/request/request-keepalive.html": [
-   "c9e1a6acdd30ad85c8a60ae434b2a71f601e50a2",
+   "602fabc4db347139980d21f955cb20e59826739f",
    "testharness"
   ],
   "fetch/api/request/request-reset-attributes.https.html": [
@@ -671269,7 +671419,7 @@
    "support"
   ],
   "interfaces/mediacapture-streams.idl": [
-   "0feea37802d9facb70978684b4faaf5780dbd0bb",
+   "427aa92dd1f750f305bccb0b9514820f5bc1d29b",
    "support"
   ],
   "interfaces/mediasession.idl": [
@@ -671441,7 +671591,7 @@
    "support"
   ],
   "interfaces/user-timing.idl": [
-   "cd2e1446b89ef6bb2e03caadda707f141476c9b7",
+   "13ad7f8730d3cd269fa231a40ba490780bef476c",
    "support"
   ],
   "interfaces/vibration.idl": [
diff --git a/tests/wpt/metadata/css/CSS2/lists/counter-reset-increment-002.xht.ini b/tests/wpt/metadata/css/CSS2/lists/counter-reset-increment-002.xht.ini
new file mode 100644
index 00000000000..8bb5e32f71e
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/lists/counter-reset-increment-002.xht.ini
@@ -0,0 +1,2 @@
+[counter-reset-increment-002.xht]
+  expected: FAIL
diff --git a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
index 3d135f3bd66..939a36eb9d9 100644
--- a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
+++ b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
@@ -2,7 +2,6 @@
   type: testharness
 
 [single-byte-decoder.html?document]
-  expected: TIMEOUT
   [ISO-8859-4: iso_8859-4:1988 (document.characterSet and document.inputEncoding)]
     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 0da9bf2e79e..18f786d4963 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,24 +312,3 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: */* text/html]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: */* text/html]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
index dc2e45516de..75d75b4cda2 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_5.html]
+[traverse_the_history_2.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
new file mode 100644
index 00000000000..51f8272a6de
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_3.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/windows/nested-browsing-contexts/name-attribute.window.js.ini b/tests/wpt/metadata/html/browsers/windows/nested-browsing-contexts/name-attribute.window.js.ini
index ef2deddc5dc..636c298b2a1 100644
--- a/tests/wpt/metadata/html/browsers/windows/nested-browsing-contexts/name-attribute.window.js.ini
+++ b/tests/wpt/metadata/html/browsers/windows/nested-browsing-contexts/name-attribute.window.js.ini
@@ -1,5 +1,5 @@
 [name-attribute.window.html]
-  expected: CRASH
+  expected: TIMEOUT
   [cross-origin <frame name=>]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
new file mode 100644
index 00000000000..9e522297c94
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
@@ -0,0 +1,7 @@
+[toggleEvent.html]
+  [Calling open twice on 'details' fires only one toggle event]
+    expected: FAIL
+
+  [Setting open=true to opened 'details' element should not fire a toggle event at the 'details' element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/workers/WorkerGlobalScope-close.html.ini b/tests/wpt/metadata/workers/WorkerGlobalScope-close.html.ini
new file mode 100644
index 00000000000..fe8654e447c
--- /dev/null
+++ b/tests/wpt/metadata/workers/WorkerGlobalScope-close.html.ini
@@ -0,0 +1,4 @@
+[WorkerGlobalScope-close.html]
+  [Test sending a message after closing.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 00000000000..80f9a4f15b8
--- /dev/null
+++ b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
deleted file mode 100644
index dbea4f293ad..00000000000
--- a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[transition_calc_implicit.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/web-platform-tests/css/CSS2/lists/counter-reset-increment-002.xht b/tests/wpt/web-platform-tests/css/CSS2/lists/counter-reset-increment-002.xht
index bf422ba1eb8..8dc50ca60b2 100644
--- a/tests/wpt/web-platform-tests/css/CSS2/lists/counter-reset-increment-002.xht
+++ b/tests/wpt/web-platform-tests/css/CSS2/lists/counter-reset-increment-002.xht
@@ -29,7 +29,6 @@
   li:before
   {
   content: counter(list-item) ". ";
-  counter-increment: list-item;
   }
   ]]></style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-display-contents.html b/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-set-display-contents.html
index a59576b2534..6508df0da15 100644
--- a/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-display-contents.html
+++ b/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-set-display-contents.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
-<title>CSS Lists: counter-reset and counter-increment on display:contents</title>
+<title>CSS Lists: counter-reset, counter-set and counter-increment on display:contents</title>
 <link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
 <link rel="help" href="https://drafts.csswg.org/css-lists/#counters-without-boxes">
 <link rel="match" href="counter-7-ref.html">
@@ -8,6 +8,7 @@
   .inc { counter-increment: x }
   .reset-6 { counter-reset: x 6 }
   .reset-666 { counter-reset: x 666 }
+  .set-666 { counter-set: x 666 }
   .contents { display: contents }
   .result::before { content: counter(x) }
 </style>
@@ -15,5 +16,6 @@
 <div>
   <span class="reset-6"></span>
   <span class="contents reset-666 inc"></span>
+  <span class="contents set-666"></span>
   <span class="inc result"></span>
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-display-none.html b/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-set-display-none.html
index 3b344a751c1..510fd8b6482 100644
--- a/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-display-none.html
+++ b/tests/wpt/web-platform-tests/css/css-lists/counter-reset-increment-set-display-none.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <meta charset="utf-8">
-<title>CSS Lists: counter-reset and counter-increment on display:none</title>
+<title>CSS Lists: counter-reset, counter-set and counter-increment on display:none</title>
 <link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
 <link rel="help" href="https://drafts.csswg.org/css-lists/#counters-without-boxes">
 <link rel="match" href="counter-7-ref.html">
@@ -8,6 +8,7 @@
   .inc { counter-increment: x }
   .reset-6 { counter-reset: x 6 }
   .reset-666 { counter-reset: x 666 }
+  .set-666 { counter-set: x 666 }
   .none { display: none }
   .result::before { content: counter(x) }
 </style>
@@ -15,5 +16,6 @@
 <div>
   <span class="reset-6"></span>
   <span class="none reset-666 inc"></span>
+  <span class="none set-666"></span>
   <span class="inc result"></span>
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/counter-set-001-ref.html b/tests/wpt/web-platform-tests/css/css-lists/counter-set-001-ref.html
new file mode 100644
index 00000000000..be06ea1dc94
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/counter-set-001-ref.html
@@ -0,0 +1,37 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Lists: basic tests for 'counter-set'</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+  </style>
+</head>
+<body>
+
+<span>7</span><!-- "7" -->
+<span>0</span><!-- "0" -->
+<span>7</span><!-- "7" -->
+<span>8</span><!-- "8" -->
+<span>2</span><!-- "2" -->
+<x>
+  <span>2</span><!-- "2" -->
+</x>
+<span>3</span><!-- "3" -->
+<x>
+  <span>0</span><!-- "0" -->
+  <span>2</span><!-- "2" -->
+  <x>
+    <span>2.5</span><!-- "2.5" -->
+  </x>
+</x>
+<span>3</span><!-- "3" -->
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/counter-set-001.html b/tests/wpt/web-platform-tests/css/css-lists/counter-set-001.html
new file mode 100644
index 00000000000..3be4c737c2b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/counter-set-001.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Lists: basic tests for 'counter-set'</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <link rel="help" href="https://drafts.csswg.org/css-lists/#propdef-counter-set">
+  <link rel="match" href="counter-set-001-ref.html">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+span::before { content: counters(n, '.'); }
+  </style>
+</head>
+<body>
+
+<span style="counter-set: n 7"></span><!-- "7" -->
+<span style="counter-set: n"></span><!-- "0" -->
+<span style="counter-set: n 8 n 7"></span><!-- "7" -->
+<span style="counter-set: n 6; counter-increment: n 2"></span><!-- "8" -->
+<span style="counter-set: n; counter-increment: n 2"></span><!-- "2" -->
+<x style="counter-reset: n 9">
+  <span style="counter-set: n 2"></span><!-- "2" -->
+</x>
+<span style="counter-increment: n"></span><!-- "3" -->
+<x style="counter-reset: n 9">
+  <span style="counter-set: n"></span><!-- "0" -->
+  <span style="counter-set: n 2"></span><!-- "2" -->
+  <x style="counter-reset: n 1">
+    <span style="counter-set: n 5"></span><!-- "2.5" -->
+  </x>
+</x>
+<span style="counter-increment: n"></span><!-- "3" -->
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter-ref.html b/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter-ref.html
new file mode 100644
index 00000000000..8340d6d7f65
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter-ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>Reference:_CSS Lists: 'counter-increment:list-item' on LI</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+body { margin-left: 10em; }
+  </style>
+</head>
+<body>
+
+<ol><li value=0>a<li value=4>b<li value=4>c</ol>
+<ol><li value=0>a<li value=9>b<li value=9>c</ol>
+<ol><li value=-1>a<li value=3>b<li value=2>c</ol>
+<ol><li value=0>a<li value=4>b<li value=4>c</ol>
+<ol><li value=2>a<li value=6>b<li value=8>c</ol>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter.html b/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter.html
new file mode 100644
index 00000000000..b9a1196cabc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/li-list-item-counter.html
@@ -0,0 +1,32 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Lists: 'counter-increment:list-item' on LI</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <link rel="help" href="https://drafts.csswg.org/css-lists/#propdef-counter-increment">
+  <link rel="match" href="li-list-item-counter-ref.html">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+body { margin-left: 10em; }
+li { counter-increment: list-item 0; }
+.dec { counter-increment:list-item -1; }
+.zero { counter-increment:list-item 1 list-item -1; }
+.two { counter-increment:list-item 3 list-item -1; }
+  </style>
+</head>
+<body>
+
+<ol><li>a<li value=4>b<li>c</ol>
+<ol><li>a<li value=4 style="counter-increment:list-item 5">b<li>c</ol>
+<ol><li class=dec>a<li value=4 class=dec>b<li class=dec>c</ol>
+<ol><li class=zero>a<li value=4 class=zero>b<li class=zero>c</ol>
+<ol><li class=two>a<li value=4 class=two>b<li class=two>c</ol>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001-ref.html b/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001-ref.html
new file mode 100644
index 00000000000..9afb1ecfa05
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001-ref.html
@@ -0,0 +1,27 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>Reference:_CSS Lists: 'counter-set:list-item' trumps LI @value</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+body { margin-left: 10em; }
+  </style>
+</head>
+<body>
+
+<ol><li>a<li value=99>b</ol>
+<ol><li>a<li value=149>b</ol>
+<ol><li>a<li value=54>b</ol>
+<ol><li>a<li value=149>b</ol>
+<ol><li>a<li value=51>b</ol>
+<ol><li>a<li value=88>b</ol>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001.html b/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001.html
new file mode 100644
index 00000000000..0e91c3a03d6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-lists/li-value-counter-reset-001.html
@@ -0,0 +1,30 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Lists: 'counter-set:list-item' trumps LI @value</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.org">
+  <link rel="help" href="https://drafts.csswg.org/css-lists/#propdef-counter-set">
+  <link rel="match" href="li-value-counter-reset-001-ref.html">
+  <style>
+html,body {
+  color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0;
+}
+body { margin-left: 10em; }
+li.set { counter-set: list-item 99; }
+  </style>
+</head>
+<body>
+
+<ol><li>a<li value=4 class=set>b</ol>
+<ol><li>a<li value=4 class=set style="counter-increment:list-item 50">b</ol>
+<ol><li>a<li value=4 style="counter-increment:list-item 50">b</ol>
+<ol><li>a<li class=set style="counter-increment:list-item 50">b</ol>
+<ol><li>a<li style="counter-increment:list-item 50">b</ol>
+<ol><li>a<li value=4 class=set style="counter-set:list-item 88">b</ol>
+
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001-ref.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001-ref.html
new file mode 100644
index 00000000000..d25ecd08c85
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001-ref.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a multi-column container on button works with a column-span:all child</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+
+  <style>
+  button {
+    width: 400px;
+  }
+  .inner {
+    column-count: 3;
+    column-rule: 6px solid;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  </style>
+
+  <button>
+    <div class="inner">
+      <div>block1</div><div>block2</div>
+      <h3>spanner</h3>
+      <div>block3</div><div>block4</div>
+    </div>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001.html
new file mode 100644
index 00000000000..14833091c8f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-001.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a multi-column container on button works with a column-span:all child</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
+  <link rel="match" href="multicol-span-all-button-001-ref.html">
+  <meta name="assert" content="This test checks the page is rendered correctly for a multi-column container on button with a column-span:all child.">
+
+  <style>
+  button {
+    column-count: 3;
+    column-rule: 6px solid;
+    width: 400px;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  </style>
+
+  <button>
+    <div>block1</div><div>block2</div>
+    <h3>spanner</h3>
+    <div>block3</div><div>block4</div>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002-ref.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002-ref.html
new file mode 100644
index 00000000000..c9ec677335e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002-ref.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a overflow:hidden and position:absolute multi-column container on button works with a column-span:all child and position:absolute boxes</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+
+  <style>
+  button {
+    width: 400px;
+    padding: 1em;
+    overflow: hidden;
+    position: absolute;
+  }
+  .inner {
+    column-count: 3;
+    column-rule: 6px solid;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  a {
+    position: absolute;
+    width: 1em;
+    height: 1em;
+    background-color: blue;
+  }
+  </style>
+
+  <button>
+    <div class="inner">
+      <div>block1</div><div>block2</div><a></a>
+      <h3>spanner<a></a></h3>
+      <div>block3</div><div>block4</div><a></a>
+    </div>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002.html
new file mode 100644
index 00000000000..874cb130dee
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-002.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a overflow:hidden and position:absolute multi-column container on button works with a column-span:all child and position:absolute boxes</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
+  <link rel="match" href="multicol-span-all-button-002-ref.html">
+  <meta name="assert" content="This test checks the page is rendered correctly for a overflow:hidden and position:absolute button multi-column container with a column-span:all child and position:absolute boxes.">
+
+  <style>
+  button {
+    column-count: 3;
+    column-rule: 6px solid;
+    width: 400px;
+    padding: 1em;
+    overflow: hidden;
+    position: absolute;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  a {
+    position: absolute;
+    width: 1em;
+    height: 1em;
+    background-color: blue;
+  }
+  </style>
+
+  <button>
+    <div>block1</div><div>block2</div><a></a>
+    <h3>spanner<a></a></h3>
+    <div>block3</div><div>block4</div><a></a>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003-ref.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003-ref.html
new file mode 100644
index 00000000000..337f9c763aa
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003-ref.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a overflow:hidden and position:absolute multi-column container on button works with a column-span:all child and position:fixed boxes</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+
+  <style>
+  button {
+    width: 400px;
+    padding: 1em;
+    overflow: hidden;
+    position: absolute;
+  }
+  .inner {
+    column-count: 3;
+    column-rule: 6px solid;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  a {
+    position: fixed;
+    width: 1em;
+    height: 1em;
+    background-color: blue;
+  }
+  </style>
+
+  <button>
+    <div class="inner">
+      <div>block1</div><div>block2</div><a></a>
+      <h3>spanner<a></a></h3>
+      <div>block3</div><div>block4</div><a></a>
+    </div>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003.html
new file mode 100644
index 00000000000..fc15c94a306
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-span-all-button-003.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="utf-8">
+  <title>CSS Multi-column Layout Test: Test a overflow:hidden and position:absolute multi-column container on button works with a column-span:all child and position:fixed boxes</title>
+  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
+  <link rel="match" href="multicol-span-all-button-003-ref.html">
+  <meta name="assert" content="This test checks the page is rendered correctly for a overflow:hidden and position:absolute button multi-column container with a column-span:all child and position:absolute boxes.">
+
+  <style>
+  button {
+    column-count: 3;
+    column-rule: 6px solid;
+    width: 400px;
+    padding: 1em;
+    overflow: hidden;
+    position: absolute;
+  }
+  h3 {
+    column-span: all;
+    outline: 1px solid blue;
+  }
+  a {
+    position: fixed;
+    width: 1em;
+    height: 1em;
+    background-color: blue;
+  }
+  </style>
+
+  <button>
+    <div>block1</div><div>block2</div><a></a>
+    <h3>spanner<a></a></h3>
+    <div>block3</div><div>block4</div><a></a>
+  </button>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-scroll-snap/overflowing-snap-areas.html b/tests/wpt/web-platform-tests/css/css-scroll-snap/overflowing-snap-areas.html
index 8f6698d0206..ee31847fddd 100644
--- a/tests/wpt/web-platform-tests/css/css-scroll-snap/overflowing-snap-areas.html
+++ b/tests/wpt/web-platform-tests/css/css-scroll-snap/overflowing-snap-areas.html
@@ -63,6 +63,7 @@ div {
     <div class="target small" style="top: 200px"></div>
     <div class="target small" style="top: 600px"></div>
     <div class="target small" style="top: 1200px"></div>
+    <div class="target large-y" style="top: 2000px"></div>
   </div>
 </div>
 
@@ -144,6 +145,20 @@ test(() => {
    "snap area covers snapport on y and there is no subsequent snap positions.");
 
 test(() => {
+  const maxScrollTop = scroller_y.scrollHeight - scroller_y.clientHeight;
+
+  // Scroll to the bottom edge which is a valid snap position that a large
+  // target element covers the snapport.
+  scroller_y.scrollTo(0, maxScrollTop);
+  assert_equals(scroller_y.scrollTop, maxScrollTop);
+
+  // Scroll to `the bottom edge + 1`.
+  scroller_y.scrollTo(0, maxScrollTop + 1);
+  assert_equals(scroller_y.scrollTop, maxScrollTop);
+}, "Don't snap back even if scrollTo tries to scroll to positions which are " +
+   "outside of the scroll range and if a snap target element covers the snaport");
+
+test(() => {
   two_axes_scroller.scrollTo(10, 100);
   assert_equals(two_axes_scroller.scrollLeft, 10);
   assert_equals(two_axes_scroller.scrollTop, 200);
diff --git a/tests/wpt/web-platform-tests/fetch/api/request/request-keepalive.html b/tests/wpt/web-platform-tests/fetch/api/request/request-keepalive.html
index c9e1a6acdd3..602fabc4db3 100644
--- a/tests/wpt/web-platform-tests/fetch/api/request/request-keepalive.html
+++ b/tests/wpt/web-platform-tests/fetch/api/request/request-keepalive.html
@@ -21,7 +21,7 @@ test(() => {
 
 test(() => {
   const init = {method: 'POST', keepalive: true, body: new ReadableStream()};
-  assert_throws('TypeError', () => {new Request('/', init)});
+  assert_throws(new TypeError(), () => {new Request('/', init)});
 }, 'keepalive flag with stream body');
 </script>
 </body>
diff --git a/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl b/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
index 0feea37802d..427aa92dd1f 100644
--- a/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
+++ b/tests/wpt/web-platform-tests/interfaces/mediacapture-streams.idl
@@ -38,7 +38,6 @@ interface MediaStreamTrack : EventTarget {
     MediaTrackConstraints getConstraints();
     MediaTrackSettings getSettings();
     Promise<void> applyConstraints(optional MediaTrackConstraints constraints);
-                    attribute EventHandler onoverconstrained;
 };
 
 enum MediaStreamTrackState {
@@ -149,16 +148,6 @@ dictionary MediaStreamTrackEventInit : EventInit {
     required MediaStreamTrack track;
 };
 
-[Exposed=Window,
- Constructor(DOMString type, OverconstrainedErrorEventInit eventInitDict)]
-interface OverconstrainedErrorEvent : Event {
-    readonly        attribute OverconstrainedError? error;
-};
-
-dictionary OverconstrainedErrorEventInit : EventInit {
-             OverconstrainedError? error = null;
-};
-
 partial interface Navigator {
     [SameObject, SecureContext]
     readonly        attribute MediaDevices mediaDevices;
diff --git a/tests/wpt/web-platform-tests/interfaces/user-timing.idl b/tests/wpt/web-platform-tests/interfaces/user-timing.idl
index cd2e1446b89..13ad7f8730d 100644
--- a/tests/wpt/web-platform-tests/interfaces/user-timing.idl
+++ b/tests/wpt/web-platform-tests/interfaces/user-timing.idl
@@ -4,12 +4,12 @@
 // Source: User Timing Level 3 (https://w3c.github.io/user-timing/)
 
 dictionary PerformanceMarkOptions {
-    any detail = null;
+    any detail;
     DOMHighResTimeStamp startTime;
 };
 
 dictionary PerformanceMeasureOptions {
-    any detail = null;
+    any detail;
     (DOMString or DOMHighResTimeStamp) start;
     DOMHighResTimeStamp duration;
     (DOMString or DOMHighResTimeStamp) end;
@@ -18,7 +18,7 @@ dictionary PerformanceMeasureOptions {
 partial interface Performance {
     PerformanceMark mark(DOMString markName, optional PerformanceMarkOptions markOptions);
     void clearMarks(optional DOMString markName);
-    PerformanceMeasure measure(DOMString measureName, optional (DOMString or PerformanceMeasureOptions)? startOrMeasureOptions, optional DOMString endMark);
+    PerformanceMeasure measure(DOMString measureName, optional (DOMString or PerformanceMeasureOptions) startOrMeasureOptions, optional DOMString endMark);
     void clearMeasures(optional DOMString measureName);
 };
 
diff --git a/tests/wpt/webgl/meta/conformance/textures/misc/texture-upload-size.html.ini b/tests/wpt/webgl/meta/conformance/textures/misc/texture-upload-size.html.ini
index 18dc7710a29..2d2287c3de7 100644
--- a/tests/wpt/webgl/meta/conformance/textures/misc/texture-upload-size.html.ini
+++ b/tests/wpt/webgl/meta/conformance/textures/misc/texture-upload-size.html.ini
@@ -41,3 +41,6 @@
   [WebGL test #84: could not create image (SVG)]
     expected: FAIL
 
+  [WebGL test #68: could not create image (SVG)]
+    expected: FAIL
+