diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
new file mode 100644
index 00000000000..f64b45fea6b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-002.html]
+  [Hit test float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
new file mode 100644
index 00000000000..baa9f1a7541
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index 58b997e138d..fce22f79a04 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
@@ -312,21 +312,15 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
index d2df9b78483..ec5963c7cf3 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
@@ -56,3 +56,12 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript;charset=windows-1252 error text/javascript]
+    expected: FAIL
+
+  [separate text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;charset=windows-1252  text/javascript]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
index 61682d248e2..30e1b851fd4 100644
--- a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,6 +11,3 @@
   [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%40%23%24%23%25%25%26%5E%26%5E*()()11!%2Cnosniff]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index dbec6f2c2ff..450c88bd32b 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -3,3 +3,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 607390a098f..775fa378952 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -234992,7 +234992,7 @@
      },
      "menclose": {
       "legacy-menclose-radical-notation.html": [
-       "9b71389e74dd1125135aa69fc3c8a47122d7a4a8",
+       "353202fd7b824da121a934cf4d51052daa01d3b4",
        [
         null,
         [
@@ -235319,13 +235319,13 @@
         {}
        ]
       ],
-      "color-004.html": [
-       "251cd0530fbe78be40533e250655c34cca7baa7d",
+      "color-004.tentative.html": [
+       "d5a984f6e7e9c6e20187d192eee69591309ab982",
        [
         null,
         [
          [
-          "/mathml/relations/css-styling/color-004-ref.html",
+          "/mathml/relations/css-styling/color-004.tentative-ref.html",
           "=="
          ]
         ],
@@ -235893,13 +235893,13 @@
         {}
        ]
       ],
-      "visibility-004.html": [
-       "ed4a4aeb09d53c2c9264886dd97ad0574ef0656a",
+      "visibility-004.tentative.html": [
+       "41d8da633124080ddbfb605770c4bf36a6bb32c9",
        [
         null,
         [
          [
-          "/mathml/relations/css-styling/visibility-004-ref.html",
+          "/mathml/relations/css-styling/visibility-004.tentative-ref.html",
           "=="
          ]
         ],
@@ -333639,7 +333639,7 @@
        "0efca480eec5a3da684fe79a429982b139b202e4",
        []
       ],
-      "color-004-ref.html": [
+      "color-004.tentative-ref.html": [
        "0efca480eec5a3da684fe79a429982b139b202e4",
        []
       ],
@@ -333817,7 +333817,7 @@
        "fcaf5fe85b44129db71f82913374859380576369",
        []
       ],
-      "visibility-004-ref.html": [
+      "visibility-004.tentative-ref.html": [
        "fcaf5fe85b44129db71f82913374859380576369",
        []
       ],
@@ -465891,14 +465891,14 @@
      },
      "mrow": {
       "inferred-mrow-baseline.html": [
-       "c92cbba922f0c126d93a431daf789dd291a4dbb5",
+       "76d35d125ec260bc4b16b8b879bd7e579a23bc3f",
        [
         null,
         {}
        ]
       ],
       "inferred-mrow-stretchy.html": [
-       "4b89dd6fa5f0daddfb91aa5ad0d29ad3be1da551",
+       "3182fba0eaf48ddc6734796f630884d890bd9af7",
        [
         null,
         {}
@@ -465912,7 +465912,7 @@
        ]
       ],
       "legacy-mstyle-attributes.html": [
-       "0de9a90eed9de0b7a6b4ff9484db1c9d87376c24",
+       "bfc04adb9055e703555c2078b7c375baa155063c",
        [
         null,
         {}
@@ -465926,7 +465926,7 @@
        ]
       ],
       "spacing.html": [
-       "4bdfc9a001a3fa87716f3e6b0e5e3da3f0ee1c74",
+       "0ff7bae5b00fd71679276c105b68363875831d17",
        [
         null,
         {}
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
new file mode 100644
index 00000000000..f64b45fea6b
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-002.html]
+  [Hit test float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
new file mode 100644
index 00000000000..baa9f1a7541
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    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 c15ad4f1e57..9d5ee163ca8 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 +312,15 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index d2df9b78483..ec5963c7cf3 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -56,3 +56,12 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript;charset=windows-1252 error text/javascript]
+    expected: FAIL
+
+  [separate text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;charset=windows-1252  text/javascript]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 61682d248e2..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%40%23%24%23%25%25%26%5E%26%5E*()()11!%2Cnosniff]
-    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
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index 0cef5158fae..01f7b72cbe7 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -4,3 +4,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    expected: FAIL
+
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/menclose/legacy-menclose-radical-notation.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/menclose/legacy-menclose-radical-notation.html
index 9b71389e74d..353202fd7b8 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/menclose/legacy-menclose-radical-notation.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/menclose/legacy-menclose-radical-notation.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8"/>
     <title>Legacy menclose radical notation</title>
     <link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
-    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
+    <link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
     <meta name="assert" content="Verify that the legacy menclose radical notation is ignored.">
     <link rel="match" href="legacy-menclose-radical-notation-ref.html">
     <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-baseline.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-baseline.html
index c92cbba922f..76d35d125ec 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-baseline.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-baseline.html
@@ -9,7 +9,7 @@
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#error-message-merror">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-top-level-math-element">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
+<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#adjust-space-around-content-mpadded">
 <meta name="assert" content="Baseline for mrow-like elements is correct.">
 <script src="/mathml/support/feature-detection.js"></script>
@@ -41,6 +41,7 @@
     <math><merror><mspace id="aboveError" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowError" width="10px" depth="30px" style="background: blue"></mspace></merror></math>
     <math><mphantom><mspace style="visibility: visible;" id="abovePhantom" width="10px" height="30px" style="background: purple"></mspace><mspace style="visibility: visible;" id="belowPhantom" width="10px" depth="30px" style="background: blue"></mspace></mphantom></math>
     <math><mspace id="aboveMath" width="10px" height="30px" style="background: purple"></mspace><mspace id="belowMath" width="10px" depth="30px" style="background: blue"></mspace></math>
+    <!-- menclose is treated as <unknown> in MathML Core -->
     <math><menclose notation="box"><mspace id="aboveMenclose" width="10px" height="30px" style="background: purple"
 ></mspace><mspace id="belowMenclose" width="10px" depth="30px" style="background: blue"></mspace></menclose></math>
     <math><mpadded lspace="10px"><mspace id="aboveMpadded" width="10px" height="30px" style="background: purple"
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-stretchy.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-stretchy.html
index 4b89dd6fa5f..3182fba0eaf 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-stretchy.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/inferred-mrow-stretchy.html
@@ -9,7 +9,7 @@
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#error-message-merror">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-top-level-math-element">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
+<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#adjust-space-around-content-mpadded">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
 <meta name="assert" content="Operators can stretch inside mrow-like elements.">
@@ -51,6 +51,7 @@
     <math><merror><mo id="moError">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></merror></math>
     <math><mphantom><mo style="visibilty: visible;" id="moPhantom">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mphantom></math>
     <math><mo id="moMath">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></math>
+    <!-- menclose is treated as <unknown> in MathML Core -->
     <math><menclose notation="box"><mo id="moMenclose">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></menclose></math>
     <math><mpadded lspace="10px"><mo id="moMpadded">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mpadded></math>
     <math><unknown><mo id="moUnknown">&#x21A8;</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></unknown></math>
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/legacy-mstyle-attributes.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/legacy-mstyle-attributes.html
index 0de9a90eed9..bfc04adb905 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/legacy-mstyle-attributes.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/legacy-mstyle-attributes.html
@@ -9,7 +9,7 @@
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#fractions-mfrac">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#string-literal-ms">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
+<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
 <meta name="assert" content="Legacy mstyle attributes are ignored">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
@@ -135,6 +135,7 @@
       </mstyle>
     </math>
   </p>
+  <!-- notation attribute is from MathML3's menclose element -->
   <p class="TestContainer" id="menclose">
     <math>
       <mstyle notation="box">
diff --git a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/spacing.html b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/spacing.html
index 4bdfc9a001a..0ff7bae5b00 100644
--- a/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/spacing.html
+++ b/tests/wpt/web-platform-tests/mathml/presentation-markup/mrow/spacing.html
@@ -9,7 +9,7 @@
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#error-message-merror">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-top-level-math-element">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
+<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#adjust-space-around-content-mpadded">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
 <meta name="assert" content="Spacing is added around operators inside mrow-like elements.">
@@ -43,6 +43,7 @@
     <math><merror id="Error"><mn>1</mn><mo lspace="50px"></mo><mn>2</mn></merror></math>
     <math><mphantom id="Phantom"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mphantom></math>
     <math id="Math"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></math>
+    <!-- menclose is treated as <unknown> in MathML Core -->
     <math><menclose id="Menclose" notation="box"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></menclose></math>
     <math><mpadded id="Mpadded" lspace="10px"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mpadded></math>
     <math><unknown id="Unknown"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></unknown></math>
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004-ref.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.tentative-ref.html
similarity index 100%
rename from tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004-ref.html
rename to tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.tentative-ref.html
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.tentative.html
similarity index 95%
rename from tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.html
rename to tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.tentative.html
index 251cd0530fb..d5a984f6e7e 100644
--- a/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.html
+++ b/tests/wpt/web-platform-tests/mathml/relations/css-styling/color-004.tentative.html
@@ -5,8 +5,8 @@
 <title>color</title>
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#css-styling">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#text-mtext">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
-<link rel="match" href="color-004-ref.html"/>
+<link rel="help" href="https://github.com/mathml-refresh/mathml-core/pull/24">
+<link rel="match" href="color-004.tentative-ref.html"/>
 <meta name="assert" content="Verify that the color is used for text and graphical elements of the menclose element.">
 </head>
 <body>
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004-ref.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.tentative-ref.html
similarity index 100%
rename from tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004-ref.html
rename to tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.tentative-ref.html
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.tentative.html
similarity index 95%
rename from tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.html
rename to tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.tentative.html
index ed4a4aeb09d..41d8da63312 100644
--- a/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.html
+++ b/tests/wpt/web-platform-tests/mathml/relations/css-styling/visibility-004.tentative.html
@@ -5,8 +5,8 @@
 <title>visibility</title>
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#css-styling">
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#text-mtext">
-<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#enclose-expression-inside-notation-menclose">
-<link rel="match" href="visibility-004-ref.html"/>
+<link rel="help" href="https://github.com/mathml-refresh/mathml-core/pull/24">
+<link rel="match" href="visibility-004.tentative-ref.html"/>
 <meta name="assert" content="Verify that visibility=hidden is used for the text and graphical elements of the menclose element.">
 </head>
 <body>
diff --git a/tests/wpt/webgl/meta/conformance2/rendering/draw-buffers.html.ini b/tests/wpt/webgl/meta/conformance2/rendering/draw-buffers.html.ini
index a0687b7bb07..cb0d5ef3af2 100644
--- a/tests/wpt/webgl/meta/conformance2/rendering/draw-buffers.html.ini
+++ b/tests/wpt/webgl/meta/conformance2/rendering/draw-buffers.html.ini
@@ -131,3 +131,9 @@
   [WebGL test #41: attachment 4 should be 0,255,0,255\nat (0, 0) expected: 0,255,0,255 was 255,0,103,0]
     expected: FAIL
 
+  [WebGL test #44: attachment 7 should be 0,255,0,255\nat (0, 0) expected: 0,255,0,255 was 0,255,0,0]
+    expected: FAIL
+
+  [WebGL test #52: attachment 7 should be 0,255,0,255\nat (0, 0) expected: 0,255,0,255 was 0,255,0,0]
+    expected: FAIL
+