diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 706145f0b16..42d376d0c6f 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -133,6 +133,12 @@
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     ]
    ],
+   "accelerometer/LinearAccelerationSensor-shake-threshold-manual.https.html": [
+    [
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+     {}
+    ]
+   ],
    "accname/description_from_content_of_describedby_element-manual.html": [
     [
      "/accname/description_from_content_of_describedby_element-manual.html",
@@ -1105,6 +1111,24 @@
      {}
     ]
    ],
+   "clipboard-apis/copy-event-manual.html": [
+    [
+     "/clipboard-apis/copy-event-manual.html",
+     {}
+    ]
+   ],
+   "clipboard-apis/cut-event-manual.html": [
+    [
+     "/clipboard-apis/cut-event-manual.html",
+     {}
+    ]
+   ],
+   "clipboard-apis/paste-event-manual.html": [
+    [
+     "/clipboard-apis/paste-event-manual.html",
+     {}
+    ]
+   ],
    "console/console-count-logging-manual.html": [
     [
      "/console/console-count-logging-manual.html",
@@ -108417,6 +108441,78 @@
      {}
     ]
    ],
+   "css/css-flexbox/abspos-autopos-htb-ltr.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-htb-ltr.html",
+     [
+      [
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+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-flexbox/abspos-autopos-htb-rtl.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-htb-rtl.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-flexbox/abspos-autopos-vlr-ltr.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-vlr-ltr.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-flexbox/abspos-autopos-vlr-rtl.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-vlr-rtl.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-flexbox/abspos-autopos-vrl-ltr.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-vrl-ltr.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
+   "css/css-flexbox/abspos-autopos-vrl-rtl.html": [
+    [
+     "/css/css-flexbox/abspos-autopos-vrl-rtl.html",
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht",
+       "=="
+      ]
+     ],
+     {}
+    ]
+   ],
    "css/css-flexbox/align-content-001.htm": [
     [
      "/css/css-flexbox/align-content-001.htm",
@@ -185322,6 +185418,11 @@
      {}
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+   "./.pyup.yml": [
+    [
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+    ]
+   ],
    "./.travis.yml": [
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@@ -305730,6 +305831,12 @@
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+   "WebIDL/ecmascript-binding/default-iterator-object.html": [
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+     {}
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    "WebIDL/ecmascript-binding/es-exceptions/DOMException-constants.any.js": [
     [
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@@ -305794,6 +305901,12 @@
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+   "WebIDL/ecmascript-binding/iterator-prototype-object.html": [
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+   ],
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@@ -306314,6 +306427,22 @@
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+   "bluetooth/characteristic/service-same-from-2-characteristics.https.html": [
+    [
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+     {
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+     }
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+   ],
+   "bluetooth/characteristic/service-same-object.https.html": [
+    [
+     "/bluetooth/characteristic/service-same-object.https.html",
+     {
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+     }
+    ]
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@@ -306362,6 +306491,14 @@
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@@ -306370,12 +306507,52 @@
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    "bluetooth/idl/idl-Bluetooth.html": [
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+   "bluetooth/idl/idl-BluetoothDevice.https.html": [
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@@ -307140,6 +307317,22 @@
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@@ -307640,6 +307833,12 @@
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@@ -310676,6 +310875,12 @@
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+   "css/css-animations/pending-style-changes-001.html": [
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@@ -315724,12 +315929,24 @@
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@@ -315748,6 +315965,24 @@
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+     {}
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+   "css/css-typed-om/the-stylepropertymap/properties/color.html": [
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@@ -315784,6 +316019,12 @@
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@@ -315808,12 +316049,24 @@
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+   "css/css-typed-om/the-stylepropertymap/properties/text-emphasis-color.html": [
+    [
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    "css/css-typed-om/the-stylepropertymap/properties/top.html": [
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@@ -388881,6 +389134,10 @@
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@@ -395249,6 +395506,10 @@
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+  ],
+  "css/css-typed-om/the-stylepropertymap/properties/color.html": [
+   "291f8e058d1fa6e342f4316c0760ec4cbdbc403c",
+   "testharness"
+  ],
+  "css/css-typed-om/the-stylepropertymap/properties/column-rule-color.html": [
+   "ec00a4b773f2ae421b8f688908925e28d2281614",
+   "testharness"
+  ],
   "css/css-typed-om/the-stylepropertymap/properties/display.html": [
    "26ba44d8d5146b9d606a1668659ee16876b371c5",
    "testharness"
@@ -519473,6 +519846,10 @@
    "3812b01e648e3b043abbd2fe82c3733309da49ad",
    "testharness"
   ],
+  "css/css-typed-om/the-stylepropertymap/properties/outline-color.html": [
+   "612e77914108dbba0b271b20eb3e9e80199349b3",
+   "testharness"
+  ],
   "css/css-typed-om/the-stylepropertymap/properties/padding.html": [
    "70c2e29badef7528469bcf11e1cb7bbc6cd519ea",
    "testharness"
@@ -519482,7 +519859,7 @@
    "testharness"
   ],
   "css/css-typed-om/the-stylepropertymap/properties/resources/testsuite.js": [
-   "b0978c7b09302ce534bdf9e77d880610edbbe6ef",
+   "a3df35f32209493e429282b89f4fdcc6581abe07",
    "support"
   ],
   "css/css-typed-om/the-stylepropertymap/properties/right.html": [
@@ -519493,10 +519870,18 @@
    "88a1f5866a767c25dec2ef75728c68c5631d371f",
    "testharness"
   ],
+  "css/css-typed-om/the-stylepropertymap/properties/text-decoration-color.html": [
+   "fe6d3765ca8fea1c1963a310d0aa35fa68089a9b",
+   "testharness"
+  ],
   "css/css-typed-om/the-stylepropertymap/properties/text-decoration-style.html": [
    "aa9698c5b4cb896fc43c58794df84ec0bbb0e3e9",
    "testharness"
   ],
+  "css/css-typed-om/the-stylepropertymap/properties/text-emphasis-color.html": [
+   "9419ab219034d1fb732965ebd3a03934bcaddf5a",
+   "testharness"
+  ],
   "css/css-typed-om/the-stylepropertymap/properties/top.html": [
    "218b50f6b7d8209514bca8d0a8121263b07ab1e2",
    "testharness"
@@ -541954,7 +542339,7 @@
    "testharness"
   ],
   "custom-elements/pseudo-class-defined.html": [
-   "cf29756830dc12e60390c08486bbb3170c9c9c71",
+   "9cef47df0d95c620f754c477609f6088059879a2",
    "testharness"
   ],
   "custom-elements/reaction-timing.html": [
@@ -548654,7 +549039,7 @@
    "testharness"
   ],
   "fullscreen/model/move-to-fullscreen-iframe-manual.html": [
-   "0fc5409f5e44177e1153fb61c25506c05114dc35",
+   "62aec7e1d5065bf99a00fc533c8c6d6704ac2010",
    "manual"
   ],
   "fullscreen/model/move-to-iframe-manual.html": [
@@ -568494,7 +568879,7 @@
    "support"
   ],
   "interfaces/geolocation-sensor.idl": [
-   "158edb1945e5b3cefdb92953c6b3caf191d86986",
+   "7f5defe8969fd21ed1b8eeaedc9a766cb4b695c1",
    "support"
   ],
   "interfaces/geometry.idl": [
@@ -589098,7 +589483,7 @@
    "testharness"
   ],
   "service-workers/service-worker/resource-timing.https.html": [
-   "a835a0baeb4fcc0c44e6be28502f89308464acc5",
+   "23cadb03b48a885dbbd9a5dfdc38b5b58f99d18a",
    "testharness"
   ],
   "service-workers/service-worker/resources/404.py": [
@@ -589930,7 +590315,7 @@
    "support"
   ],
   "service-workers/service-worker/resources/resource-timing-iframe.sub.html": [
-   "c18c96a25dec48ae9d53359d4ca987ba857878a1",
+   "75bd224a9680af0557c53fb6e77645e4e0b8173d",
    "support"
   ],
   "service-workers/service-worker/resources/resource-timing-worker.js": [
@@ -598766,11 +599151,11 @@
    "testharness"
   ],
   "webrtc/RTCDTMFSender-helper.js": [
-   "205469a5d95d35c0cdc091afafa49ecaccac7e2d",
+   "79825a416ad8e027628e80c9e0ef1a8dca2d8ca3",
    "support"
   ],
   "webrtc/RTCDTMFSender-insertDTMF.https.html": [
-   "50ef787a77512dc7eea7731b9766fda4d1456694",
+   "591337627bf4bd0e40e6a5660efa9fc1e320d89f",
    "testharness"
   ],
   "webrtc/RTCDTMFSender-ontonechange-long.https.html": [
@@ -598778,7 +599163,7 @@
    "testharness"
   ],
   "webrtc/RTCDTMFSender-ontonechange.https.html": [
-   "5d81b305d0b46f158e1533ffea648ae61f09c58a",
+   "4f53cbc7fafeeed5202774b58d4bf721055b382e",
    "testharness"
   ],
   "webrtc/RTCDataChannel-bufferedAmount.html": [
@@ -603742,11 +604127,11 @@
    "support"
   ],
   "workers/data-url-shared.html": [
-   "3650dbf419d8bbfe7380a36426793336998975cc",
+   "7fae8fa78f0e66ffa8cf0dd1bf3e887fae349e4e",
    "testharness"
   ],
   "workers/data-url.html": [
-   "c693eac37e1a8856b82a923b2f1142360afc6411",
+   "3de4925fb0a05ecf4da839dbf9b293c73a3c0354",
    "testharness"
   ],
   "workers/interfaces.worker.js": [
diff --git a/tests/wpt/metadata/WebIDL/ecmascript-binding/default-iterator-object.html.ini b/tests/wpt/metadata/WebIDL/ecmascript-binding/default-iterator-object.html.ini
new file mode 100644
index 00000000000..af18edfa206
--- /dev/null
+++ b/tests/wpt/metadata/WebIDL/ecmascript-binding/default-iterator-object.html.ini
@@ -0,0 +1,7 @@
+[default-iterator-object.html]
+  [Object.prototype.toString returns correct value]
+    expected: FAIL
+
+  [@@toStringTag has correct value from prototype]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/WebIDL/ecmascript-binding/iterator-prototype-object.html.ini b/tests/wpt/metadata/WebIDL/ecmascript-binding/iterator-prototype-object.html.ini
new file mode 100644
index 00000000000..7e739cd32f0
--- /dev/null
+++ b/tests/wpt/metadata/WebIDL/ecmascript-binding/iterator-prototype-object.html.ini
@@ -0,0 +1,7 @@
+[iterator-prototype-object.html]
+  [Object.prototype.toString returns correct value]
+    expected: FAIL
+
+  [@@toStringTag has correct value]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-animations/pending-style-changes-001.html.ini b/tests/wpt/metadata/css/css-animations/pending-style-changes-001.html.ini
new file mode 100644
index 00000000000..26accdad30b
--- /dev/null
+++ b/tests/wpt/metadata/css/css-animations/pending-style-changes-001.html.ini
@@ -0,0 +1,7 @@
+[pending-style-changes-001.html]
+  [Animatable::getAnimations() should be able to see a style-created CSS animation immediately]
+    expected: FAIL
+
+  [Document::getAnimations() should be able to see a style-created CSS animation immediately]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-ltr.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-ltr.html.ini
new file mode 100644
index 00000000000..7c4a69a3e72
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-ltr.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-htb-ltr.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-rtl.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-rtl.html.ini
new file mode 100644
index 00000000000..3e647b62b4d
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-htb-rtl.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-htb-rtl.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-ltr.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-ltr.html.ini
new file mode 100644
index 00000000000..14a6cbfcaa1
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-ltr.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-vlr-ltr.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-rtl.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-rtl.html.ini
new file mode 100644
index 00000000000..76046a7b677
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vlr-rtl.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-vlr-rtl.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-ltr.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-ltr.html.ini
new file mode 100644
index 00000000000..b79a95f7664
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-ltr.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-vrl-ltr.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-rtl.html.ini b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-rtl.html.ini
new file mode 100644
index 00000000000..7d0f3d6cab1
--- /dev/null
+++ b/tests/wpt/metadata/css/css-flexbox/abspos-autopos-vrl-rtl.html.ini
@@ -0,0 +1,2 @@
+[abspos-autopos-vrl-rtl.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini b/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini
deleted file mode 100644
index 26435e28b09..00000000000
--- a/tests/wpt/metadata/css/css-values/vh_not_refreshing_on_chrome.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[vh_not_refreshing_on_chrome.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/html/dom/dynamic-markup-insertion/opening-the-input-stream/010.html.ini b/tests/wpt/metadata/html/dom/dynamic-markup-insertion/opening-the-input-stream/010.html.ini
new file mode 100644
index 00000000000..33164945eb6
--- /dev/null
+++ b/tests/wpt/metadata/html/dom/dynamic-markup-insertion/opening-the-input-stream/010.html.ini
@@ -0,0 +1,4 @@
+[010.html]
+  [Salvagability of document.opened document]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/workers/data-url-shared.html.ini b/tests/wpt/metadata/workers/data-url-shared.html.ini
index 036709be081..1241a6a6d52 100644
--- a/tests/wpt/metadata/workers/data-url-shared.html.ini
+++ b/tests/wpt/metadata/workers/data-url-shared.html.ini
@@ -30,3 +30,9 @@
   [A data: URL shared worker should not be shared among origins.]
     expected: FAIL
 
+  [indexedDB is present]
+    expected: FAIL
+
+  [indexedDB is inaccessible]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/workers/data-url.html.ini b/tests/wpt/metadata/workers/data-url.html.ini
index ddcfc38e63b..c842ce5047d 100644
--- a/tests/wpt/metadata/workers/data-url.html.ini
+++ b/tests/wpt/metadata/workers/data-url.html.ini
@@ -3,3 +3,6 @@
   [worker has opaque origin]
     expected: FAIL
 
+  [indexedDB is present]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta/css/border_radius_elliptical_a.html.ini b/tests/wpt/mozilla/meta/css/border_radius_elliptical_a.html.ini
index 05cd04dccf2..030543a5009 100644
--- a/tests/wpt/mozilla/meta/css/border_radius_elliptical_a.html.ini
+++ b/tests/wpt/mozilla/meta/css/border_radius_elliptical_a.html.ini
@@ -1,2 +1,3 @@
 [border_radius_elliptical_a.html]
   bug: https://github.com/servo/servo/issues/19271
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta/css/iframe/hide_after_load.html.ini b/tests/wpt/mozilla/meta/css/iframe/hide_after_load.html.ini
new file mode 100644
index 00000000000..65c78fd3a4a
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/iframe/hide_after_load.html.ini
@@ -0,0 +1,2 @@
+[hide_after_load.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta/css/line_break_nowrap.html.ini b/tests/wpt/mozilla/meta/css/line_break_nowrap.html.ini
new file mode 100644
index 00000000000..6d8e7cb0453
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/line_break_nowrap.html.ini
@@ -0,0 +1,2 @@
+[line_break_nowrap.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
new file mode 100644
index 00000000000..dbea4f293ad
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/transition_calc_implicit.html.ini
@@ -0,0 +1,2 @@
+[transition_calc_implicit.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/mozilla/meta/mozilla/simple_scroll_to_fragment.html.ini b/tests/wpt/mozilla/meta/mozilla/simple_scroll_to_fragment.html.ini
new file mode 100644
index 00000000000..1fb12157a34
--- /dev/null
+++ b/tests/wpt/mozilla/meta/mozilla/simple_scroll_to_fragment.html.ini
@@ -0,0 +1,2 @@
+[simple_scroll_to_fragment.html]
+  expected: FAIL
diff --git a/tests/wpt/web-platform-tests/.pyup.yml b/tests/wpt/web-platform-tests/.pyup.yml
new file mode 100644
index 00000000000..be8cb20e3ba
--- /dev/null
+++ b/tests/wpt/web-platform-tests/.pyup.yml
@@ -0,0 +1,40 @@
+# search for requirement files
+# default: True
+# allowed: True, False
+search: False
+
+# Specify requirement files by hand, default is empty
+# default: empty
+# allowed: list
+requirements:
+ - tools/wptrunner/requirements_chrome_android.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_edge.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_opera.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_servo.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_sauce.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_ie.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_firefox.txt:
+      update: all
+      pin: True
+ - tools/wptrunner/requirements_chrome.txt:
+      update: all
+      pin: True
+ - tools/wpt/requirements.txt:
+      update: all
+      pin: True
+
diff --git a/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/default-iterator-object.html b/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/default-iterator-object.html
new file mode 100644
index 00000000000..c7e9188521a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/default-iterator-object.html
@@ -0,0 +1,27 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Default iterator objects</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(() => {
+  const iterator1 = new URLSearchParams()[Symbol.iterator]();
+  const iterator2 = new URLSearchParams().keys();
+  const iterator3 = new URLSearchParams().values();
+  const iterator4 = new URLSearchParams().entries();
+  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator2));
+  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator3));
+  assert_equals(Object.getPrototypeOf(iterator1), Object.getPrototypeOf(iterator4));
+}, "Default iterator objects for an interface have the same prototype");
+
+test(() => {
+  const iterator = new URLSearchParams().entries();
+  assert_equals(Object.prototype.toString.call(iterator), "[object URLSearchParams Iterator]");
+}, "Object.prototype.toString returns correct value");
+
+test(() => {
+  const iterator = new URLSearchParams().entries();
+  assert_equals(iterator[Symbol.toStringTag], "URLSearchParams Iterator");
+  assert_equals(Object.getOwnPropertyDescriptor(iterator, Symbol.toStringTag), undefined);
+}, "@@toStringTag has correct value from prototype");
+</script>
diff --git a/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/iterator-prototype-object.html b/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/iterator-prototype-object.html
new file mode 100644
index 00000000000..5a935fa2013
--- /dev/null
+++ b/tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/iterator-prototype-object.html
@@ -0,0 +1,56 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Iterator prototype objects</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(() => {
+  const esIteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]()));
+  const iteratorProto = Object.getPrototypeOf(new URLSearchParams().entries());
+  assert_equals(Object.getPrototypeOf(iteratorProto), esIteratorPrototype);
+}, "Has %IteratorPrototype% as prototype");
+
+test(() => {
+  const iteratorProto = Object.getPrototypeOf(new URLSearchParams().entries());
+  const desc = Object.getOwnPropertyDescriptor(iteratorProto, "next");
+  assert_equals(typeof desc.value, "function");
+  assert_equals(desc.writable, true);
+  assert_equals(desc.enumerable, true);
+  assert_equals(desc.configurable, true);
+}, "next() exists and is writable, enumerable, and configurable");
+
+test(() => {
+  const usp = new URLSearchParams();
+  const iteratorProto = Object.getPrototypeOf(usp.entries());
+
+  assert_throws(new TypeError(), () => {
+    iteratorProto.next();
+  });
+  assert_throws(new TypeError(), () => {
+    iteratorProto.next.call(undefined);
+  });
+  assert_throws(new TypeError(), () => {
+    iteratorProto.next.call(42);
+  });
+  assert_throws(new TypeError(), () => {
+    iteratorProto.next.call(new Headers().entries());
+  });
+}, "next() throws TypeError when called on ineligible receiver");
+
+test(() => {
+  const iteratorProto = Object.getPrototypeOf(new URLSearchParams().entries());
+  assert_equals(Object.prototype.toString.call(iteratorProto), "[object URLSearchParams Iterator]");
+}, "Object.prototype.toString returns correct value");
+
+test(() => {
+  const iteratorProto = Object.getPrototypeOf(new URLSearchParams().entries());
+  assert_equals(Object.getOwnPropertyDescriptor(iteratorProto, Symbol.toStringTag).value, "URLSearchParams Iterator");
+  // Property attributes have not yet been fully spec'd.
+}, "@@toStringTag has correct value");
+
+test(() => {
+  const iteratorProto1 = Object.getPrototypeOf(new URLSearchParams().entries());
+  const iteratorProto2 = Object.getPrototypeOf(new Headers().entries());
+  assert_not_equals(iteratorProto1, iteratorProto2);
+}, "Is specific to an interface");
+</script>
diff --git a/tests/wpt/web-platform-tests/accelerometer/LinearAccelerationSensor-shake-threshold-manual.https.html b/tests/wpt/web-platform-tests/accelerometer/LinearAccelerationSensor-shake-threshold-manual.https.html
new file mode 100644
index 00000000000..c0746e5ebd5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/accelerometer/LinearAccelerationSensor-shake-threshold-manual.https.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>LinearAccelerationSensor Shake Threshold Test</title>
+<link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="help" href="https://w3c.github.io/accelerometer/#examples">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<p class="instructions">
+  Shake gesture along x axis of the device.
+</p>
+<script>
+
+setup({explicit_timeout: true});
+
+async_test(t => {
+  const shakeThreshold = 25;
+  const sensor = new LinearAccelerationSensor({frequency: 60});
+
+  sensor.onreading = t.step_func(() => {
+    if (sensor.x > shakeThreshold) {
+      t.done();
+    }
+  });
+
+  sensor.onerror = t.step_func_done(event => {
+    assert_unreached(event.error.name + ":" + event.error.message);
+  });
+
+  sensor.start();
+}, "Test that when shaking gesture along x axis of the device, the shake threshold can be greater than 25");
+
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-from-2-characteristics.https.html b/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-from-2-characteristics.https.html
new file mode 100644
index 00000000000..aa156b2e988
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-from-2-characteristics.https.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'Same parent service returned from multiple characteristics.';
+
+bluetooth_test(() => getHealthThermometerService()
+    .then(({service}) => Promise.all([
+      service.getCharacteristic('measurement_interval'),
+      service.getCharacteristic('temperature_measurement')
+    ]))
+    .then(characteristics =>
+        assert_equals(characteristics[0].service, characteristics[1].service)),
+    test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-object.https.html b/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-object.https.html
new file mode 100644
index 00000000000..ee961216983
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/characteristic/service-same-object.https.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = '[SameObject] test for BluetoothRemoteGATTCharacteristic ' +
+  'service.';
+
+bluetooth_test(() => getMeasurementIntervalCharacteristic()
+    .then(({characteristic}) =>
+        assert_equals(characteristic.service, characteristic.service)),
+    test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/descriptor/readValue/read-succeeds.https.html b/tests/wpt/web-platform-tests/bluetooth/descriptor/readValue/read-succeeds.https.html
new file mode 100644
index 00000000000..35ff057cbad
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/descriptor/readValue/read-succeeds.https.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'A read request succeeds and returns the descriptor\'s value.';
+const EXPECTED_VALUE = [0, 1, 2];
+let descriptor, fake_descriptor;
+
+bluetooth_test(() => getUserDescriptionDescriptor()
+    .then(_ => ({descriptor, fake_descriptor} = _))
+    .then(() =>
+        fake_descriptor.setNextReadResponse(GATT_SUCCESS, EXPECTED_VALUE))
+    .then(() => descriptor.readValue())
+    .then(value => assert_array_equals(Array.from(new Uint8Array(
+        value.buffer)), EXPECTED_VALUE)),
+    test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected.https.html b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected.https.html
new file mode 100644
index 00000000000..19ad407c93e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected.https.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'A device disconnecting while connected should fire the ' +
+    'gattserverdisconnected event.';
+
+bluetooth_test(() => getHealthThermometerDevice()
+  .then(({device, fake_peripheral}) => {
+    fake_peripheral.simulateGATTDisconnection();
+    return eventPromise(device, 'gattserverdisconnected');
+  })
+  .then(e => assert_true(e.bubbles)),
+  test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected_gc.https.html b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected_gc.https.html
new file mode 100644
index 00000000000..bde70370a7c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/disconnected_gc.https.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'A device disconnecting after the BluetoothDevice object ' +
+    'has been GC\'ed should not access freed memory.';
+
+bluetooth_test(() => getHealthThermometerDevice()
+  .then(({fake_peripheral}) => {
+    // 1. Disconnect.
+    fake_peripheral.simulateGATTDisconnection();
+    // 2. Run garbage collection.
+    fake_peripheral = undefined;
+    runGarbageCollection();
+  })
+  // 3. Wait 50ms after the GC runs for the disconnection event to come back.
+  // There's nothing to assert other than that only valid memory is used.
+  .then(() => new Promise(resolve => step_timeout(resolve, 50))),
+  test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/one-event-per-disconnection.https.html b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/one-event-per-disconnection.https.html
new file mode 100644
index 00000000000..68bf79f2086
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/one-event-per-disconnection.https.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'If a site disconnects from a device while the platform is ' +
+    'disconnecting that device, only one gattserverdisconnected event should ' +
+    'fire.';
+let device, fake_peripheral;
+let num_events = 0;
+
+bluetooth_test(() => getHealthThermometerDevice()
+  .then(_ => ({device, fake_peripheral} = _))
+  // 1. Listen for disconnections.
+  .then(() =>
+      device.addEventListener('gattserverdisconnected', () => num_events++))
+  // 2. Disconnect several times.
+  .then(() => Promise.all([
+    eventPromise(device, 'gattserverdisconnected'),
+    fake_peripheral.simulateGATTDisconnection(),
+    device.gatt.disconnect(),
+    device.gatt.disconnect(),
+  ]))
+  // 3. Wait to catch disconnect events.
+  .then(() => new Promise(resolve => step_timeout(resolve, 50)))
+  // 4. Ensure there is exactly 1 disconnection recorded.
+  .then(() => assert_equals(num_events, 1)),
+  test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/reconnect-during-disconnected-event.https.html b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/reconnect-during-disconnected-event.https.html
new file mode 100644
index 00000000000..ee2e59882aa
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/device/gattserverdisconnected-event/reconnect-during-disconnected-event.https.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+let test_desc = 'A device that reconnects during the gattserverdisconnected ' +
+    'event should still receive gattserverdisconnected events after ' +
+    're-connection.';
+let device, fake_peripheral;
+bluetooth_test(() => getHealthThermometerDevice()
+  .then(_ => ({device, fake_peripheral} = _))
+  // 1. Disconnect.
+  .then(() => new Promise(resolve => {
+    fake_peripheral.simulateGATTDisconnection();
+    device.addEventListener(
+        'gattserverdisconnected', function onDisconnected() {
+      device.removeEventListener('gattserverdisconnected', onDisconnected);
+      // 2. Reconnect.
+      fake_peripheral.setNextGATTConnectionResponse({
+        code: HCI_SUCCESS,
+      })
+        .then(() => device.gatt.connect())
+        .then(() => resolve());
+    });
+  }))
+  // 3. Disconnect after reconnecting.
+  .then(() => {
+    fake_peripheral.simulateGATTDisconnection();
+    return eventPromise(device, 'gattserverdisconnected')
+  }), test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/idl/idl-BluetoothDevice.https.html b/tests/wpt/web-platform-tests/bluetooth/idl/idl-BluetoothDevice.https.html
new file mode 100644
index 00000000000..855d8fed800
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/idl/idl-BluetoothDevice.https.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc_idl = 'BluetoothDevice IDL test.';
+
+test(() => {
+  assert_throws(new TypeError(), () => new BluetoothDevice(),
+      'the constructor should not be callable with "new"');
+  assert_throws(new TypeError(), () => BluetoothDevice(),
+      'the constructor should not be callable');
+}, test_desc_idl);
+
+const test_desc_attr = 'BluetoothDevice attributes.';
+let device;
+bluetooth_test(() => getHealthThermometerDevice()
+  .then(({device}) => {
+    assert_equals(device.constructor.name, 'BluetoothDevice');
+    var old_device_id = device.id;
+    assert_throws(new TypeError(), () => device.id = 'overwritten',
+        'the device id should not be writable');
+    assert_throws(new TypeError(), () => device.name = 'overwritten',
+        'the device name should not be writable');
+    assert_equals(device.id, old_device_id);
+    assert_equals(device.name, 'Health Thermometer');
+  }), test_desc_attr);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/service/device-same-from-2-services.https.html b/tests/wpt/web-platform-tests/bluetooth/service/device-same-from-2-services.https.html
new file mode 100644
index 00000000000..366549378e8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/service/device-same-from-2-services.https.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = 'Same parent device returned from multiple services.';
+
+bluetooth_test(() => getTwoHealthThermometerServicesDevice({
+  filters: [{services: ['health_thermometer']}]
+})
+    .then(({device}) => device.gatt.getPrimaryServices('health_thermometer'))
+    .then(([service1, service2]) =>
+        assert_equals(service1.device, service2.device)),
+    test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/bluetooth/service/device-same-object.https.html b/tests/wpt/web-platform-tests/bluetooth/service/device-same-object.https.html
new file mode 100644
index 00000000000..f43e9f022d9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/bluetooth/service/device-same-object.https.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/bluetooth/resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+const test_desc = '[SameObject] test for BluetoothRemoteGATTService device.';
+
+bluetooth_test(() => getHealthThermometerDevice({
+  filters: [{services: ['health_thermometer']}]
+})
+    .then(({device}) => device.gatt.getPrimaryService('health_thermometer'))
+    .then(service => assert_equals(service.device, service.device)),
+    test_desc);
+</script>
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/copy-event-manual.html b/tests/wpt/web-platform-tests/clipboard-apis/copy-event-manual.html
new file mode 100644
index 00000000000..e4cf3379ace
--- /dev/null
+++ b/tests/wpt/web-platform-tests/clipboard-apis/copy-event-manual.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<title>The copy event</title>
+<link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-copy">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<p>Select and copy any part of this text to continue.
+<script>
+setup({explicit_timeout: true});
+async_test(t => {
+  document.oncopy = t.step_func_done(event => {
+    // Nothing can be asserted about the event target until
+    // https://github.com/w3c/clipboard-apis/issues/70 is resolved.
+    // assert_equals(event.target, document.body, "event.target");
+    assert_true(event.isTrusted, "event.isTrusted");
+    assert_true(event.composed, "event.composed");
+  });
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/cut-event-manual.html b/tests/wpt/web-platform-tests/clipboard-apis/cut-event-manual.html
new file mode 100644
index 00000000000..abef6f94bf6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/clipboard-apis/cut-event-manual.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<title>The cut event</title>
+<link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-cut">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<input value="Select and cut any part of this text to continue" size="100">
+<script>
+setup({explicit_timeout: true});
+async_test(t => {
+  document.oncut = t.step_func_done(event => {
+    // Nothing can be asserted about the event target until
+    // https://github.com/w3c/clipboard-apis/issues/70 is resolved.
+    // assert_equals(event.target, document.body, "event.target");
+    assert_true(event.isTrusted, "event.isTrusted");
+    assert_true(event.composed, "event.composed");
+  });
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/paste-event-manual.html b/tests/wpt/web-platform-tests/clipboard-apis/paste-event-manual.html
new file mode 100644
index 00000000000..4131a41bff6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/clipboard-apis/paste-event-manual.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<title>The paste event</title>
+<link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-paste">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<input placeholder="Paste any text here to continue" size="100">
+<p>Some pre-selected text to copy for convenience</p>
+<script>
+setup({explicit_timeout: true});
+async_test(t => {
+  getSelection().selectAllChildren(document.querySelector("p"));
+  document.onpaste = t.step_func_done(event => {
+    // Nothing can be asserted about the event target until
+    // https://github.com/w3c/clipboard-apis/issues/70 is resolved.
+    // assert_equals(event.target, document.body, "event.target");
+    assert_true(event.isTrusted, "event.isTrusted");
+    assert_true(event.composed, "event.composed");
+  });
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required-csp-header-cascade.html b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required-csp-header-cascade.html
new file mode 100644
index 00000000000..f130b1714e7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required-csp-header-cascade.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Embedded Enforcement: Sec-Required-CSP header.</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="support/testharness-helper.sub.js"></script>
+</head>
+<body>
+  <script>
+    var tests = [
+      { "name": "Test same policy for both iframes",
+        "csp1": "script-src 'unsafe-inline';",
+        "csp2": "script-src 'unsafe-inline';",
+        "expected1": "script-src 'unsafe-inline';",
+        "expected2": "script-src 'unsafe-inline';"},
+      { "name": "Test more restrictive policy on second iframe",
+        "csp1": "script-src 'unsafe-inline';",
+        "csp2": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected1": "script-src 'unsafe-inline';",
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test less restrictive policy on second iframe",
+        "csp1": "script-src 'unsafe-inline'; style-src 'self';",
+        "csp2": "script-src 'unsafe-inline';",
+        "expected1": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test no policy on second iframe",
+        "csp1": "script-src 'unsafe-inline'; style-src 'self';",
+        "csp2": "",
+        "expected1": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test no policy on first iframe",
+        "csp1": "",
+        "csp2": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected1": null,
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test invalid policy on first iframe (bad directive)",
+        "csp1": "default-src http://example.com; invalid-policy-name http://example.com",
+        "csp2": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected1": null,
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test invalid policy on first iframe (report directive)",
+        "csp1": "script-src 'unsafe-inline'; report-uri resources/dummy-report.php",
+        "csp2": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected1": null,
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test invalid policy on second iframe (bad directive)",
+        "csp1": "script-src 'unsafe-inline'; style-src 'self';",
+        "csp2": "default-src http://example.com; invalid-policy-name http://example.com",
+        "expected1": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+      { "name": "Test invalid policy on second iframe (report directive)",
+        "csp1": "script-src 'unsafe-inline'; style-src 'self';",
+        "csp2": "script-src 'unsafe-inline'; report-uri resources/dummy-report.php",
+        "expected1": "script-src 'unsafe-inline'; style-src 'self';",
+        "expected2": "script-src 'unsafe-inline'; style-src 'self';"},
+    ];
+
+    tests.forEach(test => {
+      async_test(t =>  {
+        var url = generateURLStringWithSecondIframeParams(Host.SAME_ORIGIN, PolicyHeader.REQUIRED_CSP, test.csp2);
+        assert_required_csp(t, url, test.csp1, [test.expected1, test.expected2]);
+      }, "Test same origin: " + test.name);
+    });
+  </script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required_csp-header.html b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required_csp-header.html
index 9e7894b6b30..510c25b0b00 100644
--- a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required_csp-header.html
+++ b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/required_csp-header.html
@@ -58,25 +58,25 @@
     tests.forEach(test => {
       async_test(t =>  {
         var url = generateURLString(Host.SAME_ORIGIN, PolicyHeader.REQUIRED_CSP);
-        assert_required_csp(t, url, test.csp, test.expected);
+        assert_required_csp(t, url, test.csp, [test.expected]);
       }, "Test same origin: " + test.name);
 
       async_test(t => {
         var url = generateURLString(Host.SAME_ORIGIN, PolicyHeader.REQUIRED_CSP);
         var redirect_url = generateRedirect(Host.SAME_ORIGIN, url);
-        assert_required_csp(t, redirect_url, test.csp, test.expected);
+        assert_required_csp(t, redirect_url, test.csp, [test.expected]);
       }, "Test same origin redirect: " + test.name);
 
       async_test(t => {
         var url = generateURLString(Host.SAME_ORIGIN, PolicyHeader.REQUIRED_CSP);
         var redirect_url = generateRedirect(Host.CROSS_ORIGIN, url);
-        assert_required_csp(t, redirect_url, test.csp, test.expected);
+        assert_required_csp(t, redirect_url, test.csp, [test.expected]);
       }, "Test cross origin redirect: " + test.name);
 
       async_test(t => {
         var url = generateURLString(Host.CROSS_ORIGIN, PolicyHeader.REQUIRED_CSP);
         var redirect_url = generateRedirect(Host.CROSS_ORIGIN, url);
-        assert_required_csp(t, redirect_url, test.csp, test.expected);
+        assert_required_csp(t, redirect_url, test.csp, [test.expected]);
       }, "Test cross origin redirect of cross origin iframe: " + test.name);
 
       async_test(t => {
diff --git a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/echo-required-csp.py b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/echo-required-csp.py
index 165ba9aa37a..930a1f60853 100644
--- a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/echo-required-csp.py
+++ b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/echo-required-csp.py
@@ -3,13 +3,37 @@ def main(request, response):
     header = request.headers.get("Sec-Required-CSP");
     message = {}
     message['required_csp'] = header if header else None
+    second_level_iframe_code = ""
+    if "include_second_level_iframe" in request.GET:
+       if "second_level_iframe_csp" in request.GET and request.GET["second_level_iframe_csp"] <> "":
+         second_level_iframe_code = '''<script>
+            var i2 = document.createElement('iframe');
+            i2.src = 'echo-required-csp.py';
+            i2.csp = "{0}";
+            document.body.appendChild(i2);
+            </script>'''.format(request.GET["second_level_iframe_csp"])
+       else:
+         second_level_iframe_code = '''<script>
+            var i2 = document.createElement('iframe');
+            i2.src = 'echo-required-csp.py';
+            document.body.appendChild(i2);
+            </script>'''
+
     return [("Content-Type", "text/html"), ("Allow-CSP-From", "*")], '''
 <!DOCTYPE html>
 <html>
 <head>
+    <!--{2}-->
     <script>
+      window.addEventListener('message', function(e) {{
+        window.parent.postMessage(e.data, '*');
+      }});
+
       window.parent.postMessage({0}, '*');
     </script>
 </head>
+<body>
+{1}
+</body>
 </html>
-'''.format(json.dumps(message))
+'''.format(json.dumps(message), second_level_iframe_code, str(request.headers))
diff --git a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
index f6a64b073e4..c48a136b936 100644
--- a/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
+++ b/tests/wpt/web-platform-tests/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
@@ -34,16 +34,25 @@ function getSecureCrossOrigin() {
   return url.toString();
 }
 
-function generateURL(host, path) {
+function generateURL(host, path, include_second_level_iframe, second_level_iframe_csp) {
   var url = new URL("http://{{host}}:{{ports[http][0]}}/content-security-policy/embedded-enforcement/support/");
   url.hostname = host == Host.SAME_ORIGIN ? "{{host}}" : "{{domains[天気の良い日]}}";
   url.pathname += path;
+  if (include_second_level_iframe) {
+    url.searchParams.append("include_second_level_iframe", "");
+    if (second_level_iframe_csp)
+      url.searchParams.append("second_level_iframe_csp", second_level_iframe_csp);
+  }
 
   return url;
 }
 
 function generateURLString(host, path) {
-  return generateURL(host, path).toString();
+  return generateURL(host, path, false, "").toString();
+}
+
+function generateURLStringWithSecondIframeParams(host, path, second_level_iframe_csp) {
+  return generateURL(host, path, true, second_level_iframe_csp).toString();
 }
 
 function generateRedirect(host, target) {
@@ -77,8 +86,13 @@ function assert_required_csp(t, url, csp, expected) {
   window.addEventListener('message', t.step_func(e => {
     if (e.source != i.contentWindow || !('required_csp' in e.data))
       return;
-    assert_equals(e.data['required_csp'], expected);
-    t.done();
+
+    if (expected.indexOf(e.data['required_csp']) == -1)
+      assert_unreached('Child iframes have unexpected csp:"' + e.data['required_csp'] + '"');
+
+    expected.splice(expected.indexOf(e.data['required_csp']), 1);
+    if (expected.length == 0)
+      t.done();
   }));
 
   document.body.appendChild(i);
diff --git a/tests/wpt/web-platform-tests/css/css-animations/pending-style-changes-001.html b/tests/wpt/web-platform-tests/css/css-animations/pending-style-changes-001.html
new file mode 100644
index 00000000000..fb74d7fa7d0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-animations/pending-style-changes-001.html
@@ -0,0 +1,34 @@
+<meta charset=utf-8>
+<title>CSS Animations Test: requirement on pending style changes - getAnimations</title>
+<link rel="help" href="https://drafts.csswg.org/css-animations-2/#requirements-on-pending-style-changes">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<style>
+@keyframes anim {}
+
+.animate {
+  animation: anim 10s;
+}
+</style>
+
+<div id="target"></div>
+
+<script>
+test (t => {
+  assert_equals(target.getAnimations().length, 0, 'Test precondition.');
+  target.classList.add('animate');
+  assert_equals(target.getAnimations().length, 1,
+      'target.getAnimations() should include the CSS animation after animate class added.');
+  target.classList.remove('animate');
+}, 'Animatable::getAnimations() should be able to see a style-created CSS animation immediately');
+
+test(t => {
+  assert_equals(document.getAnimations().length, 0, 'Test precondition.');
+  target.classList.add('animate');
+  assert_equals(document.getAnimations().length, 1,
+     'document.getAnimations() should include the CSS animation after animate class added.');
+  target.classList.remove('animate');
+}, 'Document::getAnimations() should be able to see a style-created CSS animation immediately');
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-ltr.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-ltr.html
new file mode 100644
index 00000000000..095936edf8b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-ltr.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: horizontal-tb;
+    direction: ltr;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-rtl.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-rtl.html
new file mode 100644
index 00000000000..b377e8dd6dd
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-htb-rtl.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: horizontal-tb;
+    direction: rtl;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-ltr.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-ltr.html
new file mode 100644
index 00000000000..02c7cf3fd90
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-ltr.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: vertical-lr;
+    direction: ltr;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-rtl.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-rtl.html
new file mode 100644
index 00000000000..a156a727a52
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vlr-rtl.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: vertical-lr;
+    direction: rtl;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-ltr.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-ltr.html
new file mode 100644
index 00000000000..99ea3c41ca9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-ltr.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: vertical-rl;
+    direction: ltr;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-rtl.html b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-rtl.html
new file mode 100644
index 00000000000..a156a727a52
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/abspos-autopos-vrl-rtl.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Absolutely positioned child with auto position in vertical-rl ltr flexbox</title>
+<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-width" title="10.3.7 Absolutely positioned, non-replaced elements">
+<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#abspos-items" title="4.1. Absolutely-Positioned Flex Children">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .flex {
+    display: flex;
+    position: relative;
+    writing-mode: vertical-lr;
+    direction: rtl;
+    width: 100px;
+    height: 100px;
+    border: solid white;
+    border-left-width: 20px;
+    left: -20px;
+    border-top-width: 5px;
+    top: -5px;
+    border-right-width: 10px;
+    border-bottom-width: 15px;
+    background: red;
+  }
+  .flex > div {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: green;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="flex">
+  <div></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/background-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/background-color.html
new file mode 100644
index 00000000000..f684a40fb62
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/background-color.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'background-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('background-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('background-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/border-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/border-color.html
new file mode 100644
index 00000000000..3ce4ca94fce
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/border-color.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'border-color' properties</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+for (const prefix of ['top', 'left', 'right', 'bottom']) {
+  runPropertyTests(`border-${prefix}-color`, [
+    {
+      syntax: 'currentcolor',
+      // computes to a <color>, which is not supported in level 1
+      computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+    }
+  ]);
+
+  // <color>s are not supported in level 1
+  runUnsupportedPropertyTests(`border-${prefix}-color`, [
+    'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+    'transparent'
+  ]);
+}
+
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/caret-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/caret-color.html
new file mode 100644
index 00000000000..5ea78a08d38
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/caret-color.html
@@ -0,0 +1,35 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'caret-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('caret-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  },
+  {
+    syntax: 'auto',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('caret-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/color.html
new file mode 100644
index 00000000000..f56182977c5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/color.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/column-rule-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/column-rule-color.html
new file mode 100644
index 00000000000..3d35b856d71
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/column-rule-color.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'column-rule-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('column-rule-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('column-rule-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/outline-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/outline-color.html
new file mode 100644
index 00000000000..6bfec87a8c7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/outline-color.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'outline-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('outline-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+  // FIXME: browsers may or may not support 'invert' keyword.
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('outline-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/resources/testsuite.js b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/resources/testsuite.js
index d75a0d86c2d..a198c414246 100644
--- a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/resources/testsuite.js
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/resources/testsuite.js
@@ -228,6 +228,25 @@ function testPropertyInvalid(propertyName, examples, description) {
   }, `Setting '${propertyName}' to ${description} throws TypeError`);
 }
 
+// Test that styleMap.get/.set roundtrips correctly for unsupported values.
+function testUnsupportedValue(propertyName, cssText) {
+  test(t => {
+    let element1 = createDivWithStyle(t);
+    let element2 = createDivWithStyle(t);
+
+    element1.style[propertyName] = cssText;
+    const result = element1.attributeStyleMap.get(propertyName);
+    assert_not_equals(result, null,
+      'Unsupported value must not be null');
+    assert_class_string(result, 'CSSStyleValue',
+      'Unsupported value must be a CSSStyleValue and not one of its subclasses');
+
+    element2.attributeStyleMap.set(propertyName, result);
+    assert_equals(element2.style[propertyName], element1.style[propertyName],
+      'Unsupported value can be set on different element');
+  }, `'${propertyName}' does not supported '${cssText}'`);
+}
+
 function createKeywordExample(keyword) {
   return {
     description: `the '${keyword}' keyword`,
@@ -297,3 +316,13 @@ function runPropertyTests(propertyName, testCases) {
     }
   }
 }
+
+// Check that |propertyName| doesn't "support" examples in |testExamples|.
+// |testExamples| is a list of CSS string values. An "unsupported" value
+// doesn't have a corresponding Typed OM representation. It normalizes as
+// the base CSSStyleValue.
+function runUnsupportedPropertyTests(propertyName, testExamples) {
+  for (const cssText of testExamples) {
+    testUnsupportedValue(propertyName, cssText);
+  }
+}
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-decoration-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-decoration-color.html
new file mode 100644
index 00000000000..b76f82c3ea1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-decoration-color.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'text-decoration-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('text-decoration-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('text-decoration-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-emphasis-color.html b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-emphasis-color.html
new file mode 100644
index 00000000000..8623d3dfb9b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-typed-om/the-stylepropertymap/properties/text-emphasis-color.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>'text-emphasis-color' property</title>
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-get">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-stylepropertymap-set">
+<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#property-stle-value-normalization">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../resources/testhelper.js"></script>
+<script src="resources/testsuite.js"></script>
+<body>
+<div id="log"></div>
+<script>
+'use strict';
+
+runPropertyTests('text-emphasis-color', [
+  {
+    syntax: 'currentcolor',
+    // computes to a <color>, which is not supported in level 1
+    computed: (_, result) => assert_class_string(result, 'CSSStyleValue')
+  }
+]);
+
+// <color>s are not supported in level 1
+runUnsupportedPropertyTests('text-emphasis-color', [
+  'red', '#bbff00', 'rgb(255, 255, 128)', 'hsl(50, 33%, 25%)',
+  'transparent'
+]);
+
+</script>
diff --git a/tests/wpt/web-platform-tests/custom-elements/pseudo-class-defined.html b/tests/wpt/web-platform-tests/custom-elements/pseudo-class-defined.html
index 30d5ac9ce25..60d88cffb51 100644
--- a/tests/wpt/web-platform-tests/custom-elements/pseudo-class-defined.html
+++ b/tests/wpt/web-platform-tests/custom-elements/pseudo-class-defined.html
@@ -9,6 +9,7 @@ const testList = [
   { tag_name: 'a-a', defined: false },
   { tag_name: 'font-face', defined: true },
   { tag_name: 'abbr', is: 'my-abbr', defined: false },
+  { tag_name: 'p', is: '', defined: false },
 ];
 
 // Setup iframe to test the parser.
@@ -20,7 +21,7 @@ iframe.srcdoc = `<style>
   :defined { color:${defined}; }
   :not(:defined) { color:${not_defined}; }
 </style>`
-  + testList.map(d => `<${d.tag_name}${d.is ? ' is=' + d.is : ''}></${d.tag_name}>`).join('');
+  + testList.map(d => `<${d.tag_name}${d.is !== undefined ? ' is=' + d.is : ''}></${d.tag_name}>`).join('');
 setup({ explicit_done: true });
 iframe.onload = () => {
   const doc = iframe.contentDocument;
@@ -31,7 +32,8 @@ iframe.onload = () => {
                  `<${data.tag_name}${data.is ? ' is=' + data.is : ''}>`);
 
     // Test DOM createElement() methods.
-    test_defined_for_createElement(data.defined, !data.defined, doc, data.tag_name, data.is);
+    let try_upgrade = !data.defined && (data.is === undefined || data.is.length > 0);
+    test_defined_for_createElement(data.defined, try_upgrade, doc, data.tag_name, data.is);
 
     // Documents without browsing context should behave the same.
     test_defined_for_createElement(data.defined, false, doc_without_browsing_context, data.tag_name, data.is, 'Without browsing context: ');
@@ -41,21 +43,22 @@ iframe.onload = () => {
 };
 
 function test_defined_for_createElement(defined, should_test_change, doc, tag_name, is, description = '') {
-  let is_desc = is ? `, { is: "${is}" }` : '';
+  let has_is = is !== undefined;
+  let is_desc = has_is ? `, { is: "${is}" }` : '';
   // Test document.createElement().
-  let element = is ? doc.createElement(tag_name, { is: is }) : doc.createElement(tag_name);
+  let element = has_is ? doc.createElement(tag_name, { is: is }) : doc.createElement(tag_name);
   doc.body.appendChild(element);
   test_defined(defined, element, `${description}createElement("${tag_name}"${is_desc})`);
 
   // Test document.createElementNS().
-  let html_element = is ? doc.createElementNS('http://www.w3.org/1999/xhtml', tag_name, { is: is })
-                        : doc.createElementNS('http://www.w3.org/1999/xhtml', tag_name);
+  let html_element = has_is ? doc.createElementNS('http://www.w3.org/1999/xhtml', tag_name, { is: is })
+                            : doc.createElementNS('http://www.w3.org/1999/xhtml', tag_name);
   doc.body.appendChild(html_element);
   test_defined(defined, html_element, `${description}createElementNS("http://www.w3.org/1999/xhtml", "${tag_name}"${is_desc})`);
 
   // If the element namespace is not HTML, it should be "uncustomized"; i.e., "defined".
-  let svg_element = is ? doc.createElementNS('http://www.w3.org/2000/svg', tag_name, { is: is })
-                       : doc.createElementNS('http://www.w3.org/2000/svg', tag_name);
+  let svg_element = has_is ? doc.createElementNS('http://www.w3.org/2000/svg', tag_name, { is: is })
+                           : doc.createElementNS('http://www.w3.org/2000/svg', tag_name);
   doc.body.appendChild(svg_element);
   test_defined(true, svg_element, `${description}createElementNS("http://www.w3.org/2000/svg", "${tag_name}"${is_desc})`);
 
diff --git a/tests/wpt/web-platform-tests/fullscreen/model/move-to-fullscreen-iframe-manual.html b/tests/wpt/web-platform-tests/fullscreen/model/move-to-fullscreen-iframe-manual.html
index d152f7d144b..683865a0e00 100644
--- a/tests/wpt/web-platform-tests/fullscreen/model/move-to-fullscreen-iframe-manual.html
+++ b/tests/wpt/web-platform-tests/fullscreen/model/move-to-fullscreen-iframe-manual.html
@@ -12,6 +12,8 @@ async_test(t => {
   // Enter fullscreen for the iframe's body element.
   trusted_request(t, iframeDoc.body, document.body);
   document.onfullscreenchange = t.step_func(() => {
+    assert_equals(document.fullscreenElement, iframe, "document's initial fullscreen element");
+    assert_equals(iframeDoc.fullscreenElement, iframeDoc.body, "iframe's initial fullscreen element");
 
     // Then, move the outer document's body into the iframe. This is an unusual
     // thing to do, but means that the iframe is removed from its document and
@@ -20,12 +22,15 @@ async_test(t => {
 
     // If we exit in an orderly fashion, that's all one can ask for.
     document.onfullscreenchange = t.step_func_done(() => {
-      assert_equals(document.fullscreenElement, null, "document's fullscreen element");
+      assert_equals(document.fullscreenElement, null, "document's final fullscreen element");
 
-      // the iframe's contentDocument has become undefined, but the reference
-      // we're holding on to should not have a fullscreen element either.
-      assert_equals(iframe.contentDocuemnt, undefined, "iframe's content document");
-      assert_equals(iframeDoc.fullscreenElement, null, "iframe's fullscreen element");
+      // Because the iframe was removed, its browsing context was discarded and
+      // its contentDocument has become null. Because that browsing context was
+      // neither a descendant browsing context nor had an active document,
+      // nothing at all was done with it in the exit fullscreen algorithm, so
+      // its fullscreenElement is unchanged.
+      assert_equals(iframe.contentDocument, null, "iframe's content document");
+      assert_equals(iframeDoc.fullscreenElement, iframeDoc.body, "iframe's final fullscreen element");
     });
   });
 });
diff --git a/tests/wpt/web-platform-tests/interfaces/geolocation-sensor.idl b/tests/wpt/web-platform-tests/interfaces/geolocation-sensor.idl
index 81891551e50..28508db389c 100644
--- a/tests/wpt/web-platform-tests/interfaces/geolocation-sensor.idl
+++ b/tests/wpt/web-platform-tests/interfaces/geolocation-sensor.idl
@@ -1,5 +1,6 @@
-[Constructor(optional SensorOptions options), SecureContext, Exposed=Window]
+[Constructor(optional GeolocationSensorOptions options), SecureContext, Exposed=Window]
 interface GeolocationSensor : Sensor {
+  static Promise<GeolocationSensorReading> read(optional ReadOptions readOptions);
   readonly attribute unrestricted double? latitude;
   readonly attribute unrestricted double? longitude;
   readonly attribute unrestricted double? altitude;
@@ -8,3 +9,22 @@ interface GeolocationSensor : Sensor {
   readonly attribute unrestricted double? heading;
   readonly attribute unrestricted double? speed;
 };
+
+dictionary GeolocationSensorOptions : SensorOptions {
+  // placeholder for GeolocationSensor-specific options
+};
+
+dictionary ReadOptions : GeolocationSensorOptions {
+  AbortSignal? signal;
+};
+
+dictionary GeolocationSensorReading {
+  DOMHighResTimeStamp? timestamp;
+  double? latitude;
+  double? longitude;
+  double? altitude;
+  double? accuracy;
+  double? altitudeAccuracy;
+  double? heading;
+  double? speed;
+};
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resource-timing.https.html b/tests/wpt/web-platform-tests/service-workers/service-worker/resource-timing.https.html
index da898e2bf6d..f6e197cf868 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resource-timing.https.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resource-timing.https.html
@@ -12,28 +12,33 @@ function crossOriginUrl(path) {
     return get_host_info()['HTTPS_REMOTE_ORIGIN'] + base_path() + path;
 }
 
-function verify(performance, resource, mode, description) {
-    var url = mode === 'cross-origin' ? crossOriginUrl(resource)
-                                      : resourceUrl(resource);
-    var entryList = performance.getEntries();
-    var entry = performance.getEntriesByName(url)[0];
-    assert_greater_than(entry.workerStart, 0, description);
-    assert_greater_than_equal(entry.workerStart, entry.startTime, description);
-    assert_less_than_equal(entry.workerStart, entry.fetchStart, description);
-    if (mode === 'cross-origin') {
-      assert_equals(entry.responseStart, 0, description);
-      assert_greater_than_equal(entry.responseEnd, entry.fetchStart, description);
-    } else {
-      assert_greater_than_equal(entry.responseStart, entry.fetchStart, description);
-      assert_greater_than_equal(entry.responseEnd, entry.responseStart, description);
+function verify(options) {
+    var url = options.mode === 'cross-origin' ? crossOriginUrl(options.resource)
+                                      : resourceUrl(options.resource);
+    var entryList = options.performance.getEntriesByName(url);
+    if (entryList.length === 0 && options.allow_no_performance_entry) {
+        // The performance timeline may not have an entry for a resource
+        // which failed to load.
+        return;
     }
-    assert_greater_than(entry.responseEnd, entry.fetchStart, description);
-    assert_greater_than(entry.duration, 0, description);
-    if (resource.indexOf('redirect.py') != -1) {
-        assert_less_than_equal(entry.workerStart, entry.redirectStart,
-                               description);
+    var entry = entryList[0];
+    assert_greater_than(entry.workerStart, 0, options.description);
+    assert_greater_than_equal(entry.workerStart, entry.startTime, options.description);
+    assert_less_than_equal(entry.workerStart, entry.fetchStart, options.description);
+    if (options.mode === 'cross-origin') {
+      assert_equals(entry.responseStart, 0, options.description);
+      assert_greater_than_equal(entry.responseEnd, entry.fetchStart, options.description);
     } else {
-        assert_equals(entry.redirectStart, 0, description);
+      assert_greater_than_equal(entry.responseStart, entry.fetchStart, options.description);
+      assert_greater_than_equal(entry.responseEnd, entry.responseStart, options.description);
+    }
+    assert_greater_than(entry.responseEnd, entry.fetchStart, options.description);
+    assert_greater_than(entry.duration, 0, options.description);
+    if (options.resource.indexOf('redirect.py') != -1) {
+        assert_less_than_equal(entry.workerStart, entry.redirectStart,
+                               options.description);
+    } else {
+        assert_equals(entry.redirectStart, 0, options.description);
     }
 }
 
@@ -52,19 +57,54 @@ async_test(function(t) {
         })
       .then(function(frame) {
           var performance = frame.contentWindow.performance;
-          verify(performance, 'resources/dummy.js', 'same-origin',
-                 'Generated response');
-          verify(performance, 'resources/empty.js', 'same-origin',
-                 'Network fallback');
-          verify(performance, 'resources/redirect.py?Redirect=empty.js',
-                 'same-origin', 'Redirect');
-          verify(performance, 'resources/missing.jpg', 'same-origin',
-                 'Network fallback image');
-
+          verify({
+              performance: performance,
+              resource: 'resources/dummy.js',
+              mode: 'same-origin',
+              description: 'Generated response',
+          });
+          verify({
+              performance: performance,
+              resource: 'resources/empty.js',
+              mode: 'same-origin',
+              description: 'Network fallback',
+          });
+          verify({
+              performance: performance,
+              resource: 'resources/redirect.py?Redirect=empty.js',
+              mode: 'same-origin',
+              description: 'Redirect',
+          });
+          verify({
+              performance: performance,
+              resource: 'resources/square.png',
+              mode: 'same-origin',
+              description: 'Network fallback image',
+          });
           // Test that worker start is available on cross-origin no-cors
           // subresources.
-          verify(performance, 'resources/missing.jpg', 'cross-origin',
-                 'Network fallback cross-origin image');
+          verify({
+              performance: performance,
+              resource: 'resources/square.png',
+              mode: 'cross-origin',
+              description: 'Network fallback cross-origin image',
+          });
+
+          // Tests for resouces which failed to load.
+          verify({
+              performance: performance,
+              resource: 'resources/missing.jpg',
+              mode: 'same-origin',
+              description: 'Network fallback load failure',
+              allow_no_performance_entry: true,
+          });
+          verify({
+              performance: performance,
+              resource: 'resources/missing.jpg',
+              mode: 'cross-origin',
+              description: 'Network fallback cross-origin load failure',
+              allow_no_performance_entry: true,
+          });
 
           frame.remove();
           return registration.unregister();
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/resource-timing-iframe.sub.html b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/resource-timing-iframe.sub.html
index c9308ea515e..69cff7c00af 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/resource-timing-iframe.sub.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/resource-timing-iframe.sub.html
@@ -2,5 +2,7 @@
 <script src="empty.js"></script>
 <script src="dummy.js"></script>
 <script src="redirect.py?Redirect=empty.js"></script>
+<img src="square.png">
+<img src="https://{{domains[www1]}}:{{ports[https][0]}}/service-workers/service-worker/resources/square.png">
 <img src="missing.jpg">
 <img src="https://{{domains[www1]}}:{{ports[https][0]}}/service-workers/service-worker/resources/missing.jpg">
diff --git a/tests/wpt/web-platform-tests/tools/wpt/browser.py b/tests/wpt/web-platform-tests/tools/wpt/browser.py
index 71b9edc63d3..86580f9c58b 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/browser.py
+++ b/tests/wpt/web-platform-tests/tools/wpt/browser.py
@@ -211,7 +211,7 @@ class Firefox(Browser):
 class Chrome(Browser):
     """Chrome-specific interface.
 
-    Includes installation, webdriver installation, and wptrunner setup methods.
+    Includes webdriver installation, and wptrunner setup methods.
     """
 
     product = "chrome"
@@ -284,9 +284,9 @@ class Chrome(Browser):
 
 
 class ChromeAndroid(Browser):
-    """Chrome-specific interface for android.
+    """Chrome-specific interface for Android.
 
-    Includes installation, webdriver installation, and wptrunner setup methods.
+    Includes webdriver installation.
     """
 
     product = "chrome_android"
@@ -309,7 +309,7 @@ class ChromeAndroid(Browser):
 class Opera(Browser):
     """Opera-specific interface.
 
-    Includes installation, webdriver installation, and wptrunner setup methods.
+    Includes webdriver installation, and wptrunner setup methods.
     """
 
     product = "opera"
@@ -386,10 +386,7 @@ class Opera(Browser):
 
 
 class Edge(Browser):
-    """Edge-specific interface.
-
-    Includes installation, webdriver installation, and wptrunner setup methods.
-    """
+    """Edge-specific interface."""
 
     product = "edge"
     requirements = "requirements_edge.txt"
@@ -409,10 +406,7 @@ class Edge(Browser):
 
 
 class InternetExplorer(Browser):
-    """Internet Explorer-specific interface.
-
-    Includes installation, webdriver installation, and wptrunner setup methods.
-    """
+    """Internet Explorer-specific interface."""
 
     product = "ie"
     requirements = "requirements_ie.txt"
@@ -432,10 +426,7 @@ class InternetExplorer(Browser):
 
 
 class Servo(Browser):
-    """Servo-specific interface.
-
-    Includes installation, webdriver installation, and wptrunner setup methods.
-    """
+    """Servo-specific interface."""
 
     product = "servo"
     requirements = "requirements_servo.txt"
@@ -457,10 +448,7 @@ class Servo(Browser):
 
 
 class Sauce(Browser):
-    """Sauce-specific interface.
-
-    Includes installation, webdriver installation, and wptrunner setup methods.
-    """
+    """Sauce-specific interface."""
 
     product = "sauce"
     requirements = "requirements_sauce.txt"
diff --git a/tests/wpt/web-platform-tests/tools/wpt/requirements.txt b/tests/wpt/web-platform-tests/tools/wpt/requirements.txt
index 7369cb8e02c..271baf7e23f 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/requirements.txt
+++ b/tests/wpt/web-platform-tests/tools/wpt/requirements.txt
@@ -1 +1 @@
-requests==2.14.2
+requests==2.18.4
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/requirements_sauce.txt b/tests/wpt/web-platform-tests/tools/wptrunner/requirements_sauce.txt
index 51bce11d7b9..ed4d59a1e78 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/requirements_sauce.txt
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/requirements_sauce.txt
@@ -1,3 +1,3 @@
 mozprocess == 0.26
 selenium == 3.9.0
-requests
+requests==2.18.4
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-helper.js b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-helper.js
index 97bb6f93479..23c01d9f756 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-helper.js
+++ b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-helper.js
@@ -8,17 +8,50 @@
 
 // The following helper functions are called from RTCPeerConnection-helper.js:
 //   getTrackFromUserMedia
+//   doSignalingHandshake
 
 // Create a RTCDTMFSender using getUserMedia()
+// Connect the PeerConnection to another PC and wait until it is
+// properly connected, so that DTMF can be sent.
 function createDtmfSender(pc = new RTCPeerConnection()) {
+  var dtmfSender;
   return getTrackFromUserMedia('audio')
   .then(([track, mediaStream]) => {
     const sender = pc.addTrack(track, mediaStream);
-    const dtmfSender = sender.dtmf;
-
+    dtmfSender = sender.dtmf;
     assert_true(dtmfSender instanceof RTCDTMFSender,
-      'Expect audio sender.dtmf to be set to a RTCDTMFSender');
-
+                'Expect audio sender.dtmf to be set to a RTCDTMFSender');
+    // Note: spec bug open - https://github.com/w3c/webrtc-pc/issues/1774
+    // on whether sending should be possible before negotiation.
+    const pc2 = new RTCPeerConnection();
+    Object.defineProperty(pc, 'otherPc', { value: pc2 });
+    exchangeIceCandidates(pc, pc2);
+    return doSignalingHandshake(pc, pc2);
+  }).then(() => {
+    // Wait until dtmfSender.canInsertDTMF becomes true.
+    // Up to 150 ms has been observed in test. Wait 1 second
+    // in steps of 10 ms.
+    // Note: Using a short timeout and rejected promise in order to
+    // make test return a clear error message on failure.
+    return new Promise((resolve, reject) => {
+      let counter = 0;
+      let checkfunc = function() {
+        if (dtmfSender.canInsertDTMF) {
+          resolve();
+        } else {
+          if (counter >= 100) {
+            reject('Waited too long for canInsertDTMF');
+            return;
+          }
+          ++counter;
+          step_timeout(checkfunc, 10);
+        }
+      };
+      checkfunc();
+    });
+  }).then(() => {
+    assert_true(dtmfSender.canInsertDTMF,
+                'Failed to create usable dtmfSender:');
     return dtmfSender;
   });
 }
@@ -89,12 +122,12 @@ function test_tone_change_events(testFunc, toneChanges, desc) {
             t.step_func(() => {
               t.done();
               pc.close();
+              pc.otherPc.close();
             }), expectedDuration + 100);
         }
       });
 
       dtmfSender.addEventListener('tonechange', onToneChange);
-
       testFunc(t, dtmfSender, pc);
     })
     .catch(t.step_func(err => {
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html
index 1f6a453db54..e49a79e4aa0 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html
@@ -55,7 +55,7 @@
    */
   promise_test(t => {
     return createDtmfSender()
-    .then(dtmfSender => {
+  .then(dtmfSender => {
       dtmfSender.insertDTMF('');
       dtmfSender.insertDTMF('012345689');
       dtmfSender.insertDTMF('ABCD');
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-ontonechange.https.html b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-ontonechange.https.html
index fcaa5099c23..9fa900c7368 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-ontonechange.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-ontonechange.https.html
@@ -50,7 +50,7 @@
         7.  Fire an event named tonechange with a string consisting of tone at the
             RTCDTMFSender object.
    */
-  test_tone_change_events(dtmfSender => {
+  test_tone_change_events((t, dtmfSender) => {
     dtmfSender.insertDTMF('123');
   }, [
     ['1', '23', 0],
@@ -59,7 +59,7 @@
     ['', '', 170]
   ], 'insertDTMF() with default duration and intertoneGap should fire tonechange events at the expected time');
 
-  test_tone_change_events(dtmfSender => {
+  test_tone_change_events((t, dtmfSender) => {
     dtmfSender.insertDTMF('abc', 100, 70);
   }, [
     ['A', 'BC', 0],
diff --git a/tests/wpt/web-platform-tests/workers/data-url-shared.html b/tests/wpt/web-platform-tests/workers/data-url-shared.html
index edaed99152a..7b51b4b9207 100644
--- a/tests/wpt/web-platform-tests/workers/data-url-shared.html
+++ b/tests/wpt/web-platform-tests/workers/data-url-shared.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<title>data URL shared worker</title>
+<title>data URL shared workers</title>
 <script src="/common/get-host-info.sub.js"></script>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
@@ -15,8 +15,8 @@ function assert_worker_sends_pass(test_desc, mime_type, worker_code) {
   }, test_desc);
 }
 
-function assert_worker_throws(test_desc, worker_code, before_connect_worker_code) {
-  assert_worker_sends_pass(test_desc, '', `try { ${worker_code}; port.postMessage("FAIL"); } catch (e) { port.postMessage("PASS"); }`, before_connect_worker_code);
+function assert_worker_throws(test_desc, worker_code) {
+  assert_worker_sends_pass(test_desc, '', `try { ${worker_code}; port.postMessage("FAIL"); } catch (e) { port.postMessage("PASS"); }`);
 }
 
 // Any MIME type allowed
@@ -28,12 +28,17 @@ assert_worker_sends_pass('empty MIME allowed', '', 'port.postMessage("PASS")');
 assert_worker_sends_pass('communication goes both ways', 'application/javascript', 'port.onmessage = function(e) { port.postMessage("PASS"); }');
 
 // test access to storage APIs
-// once https://github.com/w3c/IndexedDB/pull/150 lands, this is spec conforming
-assert_worker_throws('indexedDB inaccessible', 'self.indexedDB.open("someDBName")');
-assert_worker_throws('Web SQL Database inaccessible', 'self.openDatabase("someDBName", "1.0", "someDBName", 1);');
+
+// https://w3c.github.io/IndexedDB/#dom-idbfactory-open
+assert_worker_sends_pass('indexedDB is present', '', 'port.postMessage("indexedDB" in self ? "PASS" : "FAIL")');
+assert_worker_throws('indexedDB is inaccessible', 'self.indexedDB.open("someDBName")');
+// Other standardized storage APIs are either not exposed to workers
+// (e.g. window.localStorage, window.sessionStorage), or are [SecureContext]
+// (e.g. self.caches).
 
 // 'data:' workers are cross-origin
 assert_worker_sends_pass('cross-origin worker', '', 'fetch("/").then(() => port.postMessage("FAIL"), () => port.postMessage("PASS"))');
+
 // 'data:' workers have opaque origin
 assert_worker_sends_pass('worker has opaque origin', 'application/javascript', 'if (self.location.origin == "null") port.postMessage("PASS"); else { port.postMessage("FAIL"); }');
 
diff --git a/tests/wpt/web-platform-tests/workers/data-url.html b/tests/wpt/web-platform-tests/workers/data-url.html
index 1308eba8f62..f8fe65e520c 100644
--- a/tests/wpt/web-platform-tests/workers/data-url.html
+++ b/tests/wpt/web-platform-tests/workers/data-url.html
@@ -1,8 +1,7 @@
 <!DOCTYPE html>
-<title>Test workers can be started with a data URL</title>
+<title>data URL dedicated workers</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
-<div id="log"></div>
 <script>
 // Helper assert functions -START-
 function assert_worker_sends_pass(test_desc, mime_type, worker_code) {
@@ -36,7 +35,7 @@ function assert_worker_construction_fails(test_desc, mime_type, worker_code) {
 
 // Actual tests -START-
 
-// Any MIME type
+// Any MIME type allowed
 assert_worker_sends_pass('application/javascript MIME allowed', 'application/javascript', 'self.postMessage("PASS")');
 assert_worker_sends_pass('text/plain MIME allowed', 'text/plain', 'self.postMessage("PASS")');
 assert_worker_sends_pass('empty MIME allowed', '', 'self.postMessage("PASS")');
@@ -45,9 +44,14 @@ assert_worker_sends_pass('empty MIME allowed', '', 'self.postMessage("PASS")');
 assert_worker_sends_pass('communication goes both ways', 'application/javascript', 'onmessage = function(e) { self.postMessage("PASS"); }');
 
 // test access to storage APIs
-// once https://github.com/w3c/IndexedDB/pull/150 lands, this is spec conforming
-assert_worker_throws('indexedDB inaccessible', 'self.indexedDB.open("someDBName")');
-assert_worker_throws('Web SQL Database inaccessible', 'self.openDatabase("someDBName", "1.0", "someDBName", 1);');
+
+// https://w3c.github.io/IndexedDB/#dom-idbfactory-open
+assert_worker_sends_pass('indexedDB is present', '', 'self.postMessage("indexedDB" in self ? "PASS" : "FAIL")');
+assert_worker_throws('indexedDB is inaccessible', 'self.indexedDB.open("someDBName")');
+
+// Other standardized storage APIs are either not exposed to workers
+// (e.g. window.localStorage, window.sessionStorage), or are [SecureContext]
+// (e.g. self.caches).
 
 // 'data:' workers are cross-origin
 assert_worker_sends_pass('cross-origin worker', '', 'fetch("/").then(() => self.postMessage("FAIL"), () => self.postMessage("PASS"))');