From 5c371dd95837baca5f5a1fe51cb2163f780bea7a Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Tue, 27 Nov 2018 21:07:27 -0500
Subject: [PATCH] Update web-platform-tests to revision
 9c2bea6dac36e36ba1f489d10c2be42160d8f34f

---
 .../FileAPI/url/url-with-fetch.any.js.ini     |    3 -
 tests/wpt/metadata/MANIFEST.json              | 2377 +++++++++++++++--
 .../floats-in-table-caption-001.html.ini      |    2 +
 .../css/CSS2/visudet/line-height-204.html.ini |    2 -
 .../mix-blend-mode-paragraph.html.ini         |    2 -
 .../background-repeat-round-roundup.xht.ini   |    2 -
 .../at-font-face-font-matching.html.ini       |   39 -
 .../text-transform-capitalize-033.html.ini    |    2 +
 ...text-transform-full-size-kana-001.html.ini |    2 +
 .../trailing-ideographic-space-004.html.ini   |    2 +
 .../word-break-break-all-020.html.ini         |    2 -
 .../word-break-keep-all-006.html.ini          |    2 -
 .../parsing/flood-opacity-computed.svg.ini    |    2 +
 .../parsing/flood-opacity-invalid.svg.ini     |    2 +
 .../parsing/flood-opacity-valid.svg.ini       |    2 +
 .../selectors/invalidation/defined.html.ini   |    4 +
 .../invalidation/enabled-disabled.html.ini    |    7 +
 .../custom-elements/adopted-callback.html.ini |    1 +
 .../attribute-changed-callback.html.ini       |    4 +
 ...d-callbacks-html-fragment-parsing.html.ini |    4 +
 .../connected-callbacks.html.ini              |    3 +
 .../custom-element-reaction-queue.html.ini    |    4 +
 .../disconnected-callbacks.html.ini           |    3 +
 .../htmlconstructor/newtarget.html.ini        |    3 +
 ...rser-sets-attributes-and-children.html.ini |    2 +-
 ...r-uses-registry-of-owner-document.html.ini |    1 +
 .../custom-elements/reactions/Attr.html.ini   |    7 +
 .../reactions/CSSStyleDeclaration.html.ini    |   66 +
 .../reactions/ChildNode.html.ini              |   22 +
 .../reactions/DOMStringMap.html.ini           |   25 +
 .../reactions/DOMTokenList.html.ini           |   58 +
 .../reactions/Document.html.ini               |    3 +
 .../reactions/Element.html.ini                |  117 +
 .../reactions/HTMLAnchorElement.html.ini      |    4 +
 .../reactions/HTMLButtonElement.html.ini      |   61 +
 .../reactions/HTMLElement.html.ini            |   18 +
 .../reactions/HTMLOptionElement.html.ini      |    4 +
 .../reactions/HTMLOptionsCollection.html.ini  |    4 +
 .../reactions/HTMLOutputElement.html.ini      |    3 +
 .../reactions/HTMLSelectElement.html.ini      |    3 +
 .../reactions/HTMLTableElement.html.ini       |    3 +
 .../reactions/HTMLTableRowElement.html.ini    |    4 +
 .../HTMLTableSectionElement.html.ini          |    4 +
 .../reactions/HTMLTitleElement.html.ini       |    4 +
 .../reactions/NamedNodeMap.html.ini           |   43 +
 .../custom-elements/reactions/Node.html.ini   |   43 +
 .../reactions/ParentNode.html.ini             |   13 +
 .../custom-elements/reactions/Range.html.ini  |   27 +
 .../reactions/ShadowRoot.html.ini             |    3 +
 .../reactions/with-exceptions.html.ini        |    4 +
 .../custom-elements/upgrading.html.ini        |    4 +
 .../upgrading/Document-importNode.html.ini    |    3 +
 .../encoding/single-byte-decoder.html.ini     |    3 +-
 ...request-cache-default-conditional.html.ini |   17 +
 .../fetch/content-type/response.window.js.ini |  314 +++
 .../fetch/content-type/script.window.js.ini   |   70 +
 .../traverse_the_history_1.html.ini           |    4 +
 .../traverse_the_history_3.html.ini           |    4 +
 .../traverse_the_history_4.html.ini           |    4 +
 .../traverse_the_history_5.html.ini           |    4 +
 ...main_feature_policy.tentative.sub.html.ini |    2 +-
 .../event_timeupdate_noautoplay.html.ini      |    2 +-
 .../autoplay-hidden.optional.html.ini         |    5 +
 .../viewport-change.html.ini                  |    4 +-
 .../execution-timing/122.html.ini             |    4 +
 .../document-write/iframe_005.html.ini        |    4 +
 .../webtiming-resolution.any.js.ini           |    3 +
 .../unitless-length/limited-quirks.html.ini   |  283 ++
 .../quirks/unitless-length/quirks.html.ini    |  283 ++
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-origin-insecure.http.html.ini        |    5 +
 .../same-insecure.http.html.ini               |    5 +
 .../no-redirect/same-insecure.http.html.ini   |    5 +
 .../same-insecure.http.html.ini               |    5 +
 .../no-redirect/same-insecure.http.html.ini   |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../insecure-protocol.http.html.ini           |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../generic.http.html.ini                     |    5 +
 .../no-redirect/generic.http.html.ini         |    5 +
 .../buffer-full-add-after-full-event.html.ini |    5 +
 ...entries-during-callback-that-drop.html.ini |    5 +
 ...-full-add-entries-during-callback.html.ini |    5 +
 .../buffer-full-add-then-clear.html.ini       |    5 +
 ...l-decrease-buffer-during-callback.html.ini |    5 +
 ...l-increase-buffer-during-callback.html.ini |    5 +
 ...ll-inspect-buffer-during-callback.html.ini |    5 +
 ...buffer-full-set-to-current-buffer.html.ini |    5 +
 ...l-store-and-clear-during-callback.html.ini |    5 +
 .../buffer-full-then-increased.html.ini       |    5 +
 ...buffer-full-when-populate-entries.html.ini |    5 +
 .../resource_timing.worker.js.ini             |    3 +
 ...rce_timing_buffer_full_eventually.html.ini |    2 +-
 .../uievents/idlharness.window.js.ini         |    6 +
 .../xhr/overridemimetype-blob.html.ini        |   24 +
 .../web-platform-tests/.azure-pipelines.yml   |    2 +-
 .../FileAPI/url/sandboxed-iframe.html         |    2 +-
 .../IndexedDB/idbcursor_advance_index2.htm    |    2 +-
 .../IndexedDB/idbcursor_advance_index3.htm    |    2 +-
 .../IndexedDB/idbcursor_advance_index5.htm    |    2 +-
 .../IndexedDB/idbcursor_continue_index5.htm   |    2 +-
 .../IndexedDB/idbcursor_continue_index6.htm   |    2 +-
 .../IndexedDB/idbcursor_continue_invalid.htm  |    2 +-
 .../IndexedDB/idbcursor_iterating.htm         |    2 +-
 .../IndexedDB/idbcursor_iterating_index.htm   |    2 +-
 .../IndexedDB/idbcursor_iterating_index2.htm  |    2 +-
 .../idbcursor_iterating_objectstore.htm       |    2 +-
 .../idbcursor_iterating_objectstore2.htm      |    2 +-
 .../idbcursor_update_objectstore4.htm         |    2 +-
 ...bdatabase_createObjectStore10-1000ends.htm |    2 +-
 .../idbdatabase_createObjectStore7.htm        |    2 +-
 ...database_deleteObjectStore4-not_reused.htm |    2 +-
 .../IndexedDB/idbdatabase_transaction4.htm    |    2 +-
 .../IndexedDB/idbfactory_deleteDatabase3.htm  |    2 +-
 .../IndexedDB/idbfactory_open10.htm           |    2 +-
 .../IndexedDB/idbfactory_open11.htm           |    2 +-
 .../idbindex-multientry-arraykeypath.htm      |    2 +-
 .../IndexedDB/idbindex-multientry.htm         |    2 +-
 .../IndexedDB/idbindex_indexNames.htm         |    2 +-
 ...ctstore_createIndex3-usable-right-away.htm |    2 +-
 ...e_createIndex4-deleteIndex-event_order.htm |    2 +-
 ...bobjectstore_createIndex5-emptykeypath.htm |    2 +-
 ...dbobjectstore_createIndex6-event_order.htm |    2 +-
 ...dbobjectstore_createIndex7-event_order.htm |    2 +-
 ...idbobjectstore_createIndex8-valid_keys.htm |    2 +-
 .../IndexedDB/idbobjectstore_deleted.htm      |    2 +-
 .../IndexedDB/idbtransaction-oncomplete.htm   |    2 +-
 .../IndexedDB/idbtransaction_abort.htm        |    2 +-
 .../IndexedDB/idbversionchangeevent.htm       |    2 +-
 .../keygenerator-constrainterror.htm          |    2 +-
 .../IndexedDB/keygenerator-overflow.htm       |    2 +-
 .../IndexedDB/request_bubble-and-capture.htm  |    2 +-
 .../transaction-lifetime-blocked.htm          |    2 +-
 .../IndexedDB/transaction-lifetime.htm        |    2 +-
 .../IndexedDB/transaction-requestqueue.htm    |    2 +-
 .../transaction_bubble-and-capture.htm        |    2 +-
 .../cookies/http-state/attribute-tests.html   |    3 +-
 .../cookies/http-state/charset-tests.html     |    3 +-
 .../cookies/http-state/chromium-tests.html    |    3 +-
 .../cookies/http-state/comma-tests.html       |    3 +-
 .../cookies/http-state/domain-tests.html      |    3 +-
 .../cookies/http-state/general-tests.html     |    3 +-
 .../cookies/http-state/mozilla-tests.html     |    3 +-
 .../cookies/http-state/name-tests.html        |    3 +-
 .../cookies/http-state/ordering-tests.html    |    3 +-
 .../cookies/http-state/path-tests.html        |    3 +-
 .../resources/all-tests.html.py-str           |    3 +-
 .../debugging-single-test.html.py-str         |    2 +-
 .../cookies/http-state/value-tests.html       |    3 +-
 ...der-image-repeat_repeatnegx_none_50px.html |    2 +-
 .../box-decoration-break-computed.html        |   19 +
 .../parsing/box-decoration-break-invalid.html |   18 +
 .../parsing/box-decoration-break-valid.html   |   18 +
 .../parsing/break-after-computed.html         |   29 +
 .../parsing/break-after-invalid.html          |   18 +
 .../css-break/parsing/break-after-valid.html  |   28 +
 .../parsing/break-before-computed.html        |   29 +
 .../parsing/break-before-invalid.html         |   18 +
 .../css-break/parsing/break-before-valid.html |   28 +
 .../parsing/break-inside-computed.html        |   22 +
 .../parsing/break-inside-invalid.html         |   18 +
 .../css-break/parsing/break-inside-valid.html |   21 +
 .../css-break/parsing/orphans-computed.html   |   20 +
 .../css-break/parsing/orphans-invalid.html    |   22 +
 .../css/css-break/parsing/orphans-valid.html  |   19 +
 .../css-break/parsing/widows-computed.html    |   20 +
 .../css/css-break/parsing/widows-invalid.html |   22 +
 .../css/css-break/parsing/widows-valid.html   |   19 +
 .../contain-layout-baseline-002.html          |   34 +
 .../contain-layout-baseline-003.html          |   35 +
 .../contain-layout-baseline-004.html          |   31 +
 .../css-contain/contain-layout-cell-001.html  |    1 +
 .../css-contain/contain-layout-cell-002.html  |    2 +-
 .../css-contain/parsing/contain-computed.html |   29 +
 .../css-contain/parsing/contain-invalid.html  |   20 +
 .../css-contain/parsing/contain-valid.html    |   30 +
 .../contain-layout-baseline-004-ref.html      |   22 +
 .../css/css-flexbox/display_flex_exist.html   |    2 +-
 .../display_inline-flex_exist.html            |    2 +-
 .../css/css-flexbox/order_value.html          |    2 +-
 .../parsing/column-count-computed.html        |   22 +
 .../parsing/column-count-invalid.html         |   24 +
 .../parsing/column-count-valid.html           |   20 +
 .../parsing/column-fill-computed.html         |   20 +
 .../parsing/column-fill-invalid.html          |   18 +
 .../parsing/column-fill-valid.html            |   19 +
 .../parsing/column-gap-computed.html          |   28 +
 .../parsing/column-gap-invalid.html           |   23 +
 .../parsing/column-gap-valid.html             |   23 +
 .../parsing/column-rule-color-computed.html   |   25 +
 .../parsing/column-rule-color-invalid.html    |   20 +
 .../parsing/column-rule-color-valid.html      |   19 +
 .../parsing/column-rule-invalid.html          |   20 +
 .../parsing/column-rule-style-computed.html   |   26 +
 .../parsing/column-rule-style-invalid.html    |   18 +
 .../parsing/column-rule-style-valid.html      |   25 +
 .../parsing/column-rule-valid.html            |   21 +
 .../parsing/column-rule-width-computed.html   |   44 +
 .../parsing/column-rule-width-invalid.html    |   24 +
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 .../parsing/column-span-computed.html         |   19 +
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 .../parsing/column-width-computed.html        |   26 +
 .../parsing/column-width-invalid.html         |   23 +
 .../parsing/column-width-valid.html           |   20 +
 .../css-multicol/parsing/columns-invalid.html |   20 +
 .../css-multicol/parsing/columns-valid.html   |   17 +
 .../css-position/parsing/bottom-computed.html |   28 +
 .../css-position/parsing/bottom-invalid.html  |   20 +
 .../css-position/parsing/bottom-valid.html    |   21 +
 .../parsing/inset-after-computed.html         |   28 +
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 .../parsing/inset-before-computed.html        |   28 +
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 .../parsing/inset-end-computed.html           |   28 +
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 .../css-position/parsing/right-computed.html  |   28 +
 .../css-position/parsing/right-invalid.html   |   20 +
 .../css/css-position/parsing/right-valid.html |   21 +
 .../css-position/parsing/top-computed.html    |   28 +
 .../css/css-position/parsing/top-invalid.html |   20 +
 .../css/css-position/parsing/top-valid.html   |   21 +
 .../parsing/z-index-computed.html             |   25 +
 .../css-position/parsing/z-index-invalid.html |   22 +
 .../css-position/parsing/z-index-valid.html   |   21 +
 .../text-transform-capitalize-033-ref.html    |    8 +
 .../text-transform-capitalize-033.html        |   14 +
 .../transitions-animatable-properties-01.html |    4 +-
 .../parsing/flood-opacity-computed.svg        |   21 +
 .../parsing/flood-opacity-invalid.svg         |   20 +
 .../parsing/flood-opacity-valid.svg           |   24 +
 .../css/selectors/invalidation/defined.html   |   76 +
 .../invalidation/enabled-disabled.html        |   51 +
 .../invalidation/first-child-last-child.html  |   57 +
 ...tain-layout-suppress-baseline-001-ref.html |   53 +
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 .../contain/contain-size-block-001.html       |    2 +-
 .../contain/contain-size-button-001-ref.html  |   17 +-
 .../contain/contain-size-button-001.html      |   19 +-
 .../contain-size-fieldset-002-ref.html        |    6 +-
 .../contain/contain-size-flex-001.html        |    2 +-
 .../contain/contain-size-grid-001.html        |    2 +-
 .../contain-size-multicol-003-ref.html        |   13 +-
 .../contain/contain-size-multicol-003.html    |   13 +-
 .../contain/reftest.list                      |    2 +
 .../mozilla-central-reftests/ui3/reftest.list |    2 +-
 .../reactions/HTMLButtonElement.html          |  107 +
 .../reactions/resources/reactions.js          |   24 +-
 .../resources/navigation-destination.html     |    9 +
 ...ic-markup-insertion-counter-construct.html |  117 +
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 .../docs/_reviewing-tests/email.md            |    6 +-
 .../Event-timestamp-safe-resolution.html      |    2 +-
 .../scripts/waiting-for-a-key.js              |    2 +-
 .../eventsource/event-data.html               |    2 +-
 .../eventsource/format-field-retry-bogus.htm  |    2 +-
 .../eventsource/format-field-retry.htm        |    2 +-
 ...der-policy-allowed-for-some.https.sub.html |    4 +-
 ...licy-header-policy-declined.https.sub.html |    2 +-
 .../fetch/content-type/README.md              |   20 +
 .../content-type/resources/content-type.py    |   15 +
 .../content-type/resources/content-types.json |  122 +
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 .../fetch/content-type/response.window.js     |   72 +
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 ...check-allowed-cross-origin-manual.sub.html |    4 +-
 ...ck-containing-iframe-manual.tentative.html |   29 +
 ...request-fullscreen-two-iframes-manual.html |   22 +-
 .../getCurrentPosition_IDL.https.html         |    3 +-
 .../autoplay-hidden.optional.html             |   35 +
 .../track-element/cors/support/common.js      |    2 +-
 .../assumptions/allowed-to-play.html.ini      |    4 +-
 .../assumptions/html-elements.html.ini        |    4 +-
 .../infrastructure/server/context.any.js.ini  |    2 +-
 .../server/order-of-metas.any.js.ini          |    2 +-
 .../server/secure-context.https.any.js.ini    |    2 +-
 .../infrastructure/server/title.any.js.ini    |    2 +-
 .../actions/elementPosition.html.ini          |    2 +-
 .../testdriver/actions/elementTiming.html.ini |    2 +-
 .../testdriver/actions/eventOrder.html.ini    |    2 +-
 .../testdriver/actions/multiDevice.html.ini   |    2 +-
 .../testdriver/actions/pause.html.ini         |    2 +-
 .../interfaces/filter-effects.idl             |    2 +-
 .../interfaces/media-capabilities.idl         |   27 +-
 .../interfaces/reporting.idl                  |    1 -
 .../interfaces/scroll-animations.idl          |    5 +-
 .../interfaces/uievents.idl                   |    2 +
 ...eloader-css-import-no-quote.tentative.html |   30 +
 ...der-css-import-no-semicolon.tentative.html |   30 +
 ...eloader-css-import-no-space.tentative.html |   28 +
 ...der-css-import-single-quote.tentative.html |   30 +
 .../preloader-css-import.tentative.html       |   30 +
 .../loading/resources/dummy.css               |    1 +
 .../media-capabilities/decodingInfo.html      |    6 +-
 .../media-capabilities/encodingInfo.html      |    8 +-
 .../media-capabilities/idlharness.any.js      |   21 -
 .../mime-types/resources/mime-types.json      |   12 +
 .../orientation-event/free-fall-manual.html   |    2 +-
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 ...l.html => pointerevent_capture_mouse.html} |   18 +
 ...ual.html => pointerevent_pointermove.html} |    6 +
 ...ermove_isprimary_same_as_pointerdown.html} |   11 +
 ..._pointermove_on_chorded_mouse_button.html} |   12 +
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 ...pointercapture_inactive_button_mouse.html} |    8 +
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 create mode 100644 tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html
 create mode 100644 tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html
 create mode 100644 tests/wpt/web-platform-tests/custom-elements/reactions/HTMLButtonElement.html
 create mode 100644 tests/wpt/web-platform-tests/custom-elements/resources/navigation-destination.html
 create mode 100644 tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html
 create mode 100644 tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/README.md
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/resources/content-type.py
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/resources/content-types.json
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/resources/script-content-types.json
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/response.window.js
 create mode 100644 tests/wpt/web-platform-tests/fetch/content-type/script.window.js
 create mode 100644 tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html
 create mode 100644 tests/wpt/web-platform-tests/loading/preloader-css-import-no-quote.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/loading/preloader-css-import-no-semicolon.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/loading/preloader-css-import-no-space.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/loading/preloader-css-import-single-quote.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/loading/preloader-css-import.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/loading/resources/dummy.css
 rename tests/wpt/web-platform-tests/pointerevents/{pointerevent_capture_mouse-manual.html => pointerevent_capture_mouse.html} (86%)
 rename tests/wpt/web-platform-tests/pointerevents/{pointerevent_pointermove-manual.html => pointerevent_pointermove.html} (85%)
 rename tests/wpt/web-platform-tests/pointerevents/{pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html => pointerevent_pointermove_isprimary_same_as_pointerdown.html} (88%)
 rename tests/wpt/web-platform-tests/pointerevents/{pointerevent_pointermove_on_chorded_mouse_button-manual.html => pointerevent_pointermove_on_chorded_mouse_button.html} (85%)
 create mode 100644 tests/wpt/web-platform-tests/pointerevents/pointerevent_root_computed_style.html
 create mode 100644 tests/wpt/web-platform-tests/pointerevents/pointerevent_root_hit_test.html
 rename tests/wpt/web-platform-tests/pointerevents/{pointerevent_setpointercapture_inactive_button_mouse-manual.html => pointerevent_setpointercapture_inactive_button_mouse.html} (81%)
 create mode 100644 tests/wpt/web-platform-tests/preload/dynamic-adding-preload-imagesrcset.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/generic/subresource/shared-worker.py
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/generic/template/shared-worker.js.template
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-add-after-full-event.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback-that-drop.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-add-then-clear.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-decrease-buffer-during-callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-increase-buffer-during-callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-inspect-buffer-during-callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-set-to-current-buffer.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-store-and-clear-during-callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-then-increased.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/buffer-full-when-populate-entries.html
 delete mode 100644 tests/wpt/web-platform-tests/resource-timing/resource_timing_buffer_full_when_populate_entries.html
 delete mode 100644 tests/wpt/web-platform-tests/resource-timing/resource_timing_store_and_clear_during_callback.html
 create mode 100644 tests/wpt/web-platform-tests/resource-timing/resources/buffer-full-utilities.js
 rename tests/wpt/web-platform-tests/{custom-elements => }/resources/custom-elements-helpers.js (99%)
 create mode 100644 tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg
 create mode 100644 tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg.headers
 create mode 100644 tests/wpt/web-platform-tests/signed-exchange/sxg-head-request.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/storage/estimate-usage-details-indexeddb.https.tentative.any.js
 create mode 100644 tests/wpt/web-platform-tests/storage/helpers.js
 create mode 100644 tests/wpt/web-platform-tests/svg/painting/parsing/fill-opacity-computed.svg
 create mode 100644 tests/wpt/web-platform-tests/svg/painting/parsing/stroke-opacity-computed.svg
 create mode 100644 tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-computed.svg
 create mode 100644 tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-invalid.svg
 create mode 100644 tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-valid.svg
 delete mode 100644 tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari_webdriver.py
 rename tests/wpt/web-platform-tests/uievents/mouse/{mouse_buttons_back_forward-manual.html => mouse_buttons_back_forward.html} (62%)

diff --git a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
index 3a3d15b84062..3b874fc17488 100644
--- a/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini
@@ -14,9 +14,6 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
-  [Revoke blob URL after calling fetch, fetch should succeed]
-    expected: FAIL
-
 
 [url-with-fetch.any.html]
   [Untitled]
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index eb91df78de1b..1daa1046e79e 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -11425,6 +11425,12 @@
      {}
     ]
    ], 
+   "fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html": [
+    [
+     "/fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html", 
+     {}
+    ]
+   ], 
    "fullscreen/api/element-ready-check-fullscreen-element-sibling-manual.html": [
     [
      "/fullscreen/api/element-ready-check-fullscreen-element-sibling-manual.html", 
@@ -13681,12 +13687,6 @@
      {}
     ]
    ], 
-   "pointerevents/pointerevent_capture_mouse-manual.html": [
-    [
-     "/pointerevents/pointerevent_capture_mouse-manual.html", 
-     {}
-    ]
-   ], 
    "pointerevents/pointerevent_capture_suppressing_mouse-manual.html": [
     [
      "/pointerevents/pointerevent_capture_suppressing_mouse-manual.html", 
@@ -13795,24 +13795,6 @@
      {}
     ]
    ], 
-   "pointerevents/pointerevent_pointermove-manual.html": [
-    [
-     "/pointerevents/pointerevent_pointermove-manual.html", 
-     {}
-    ]
-   ], 
-   "pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html": [
-    [
-     "/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html", 
-     {}
-    ]
-   ], 
-   "pointerevents/pointerevent_pointermove_on_chorded_mouse_button-manual.html": [
-    [
-     "/pointerevents/pointerevent_pointermove_on_chorded_mouse_button-manual.html", 
-     {}
-    ]
-   ], 
    "pointerevents/pointerevent_pointerout_after_pointercancel_touch-manual.html": [
     [
      "/pointerevents/pointerevent_pointerout_after_pointercancel_touch-manual.html", 
@@ -13879,12 +13861,6 @@
      {}
     ]
    ], 
-   "pointerevents/pointerevent_setpointercapture_inactive_button_mouse-manual.html": [
-    [
-     "/pointerevents/pointerevent_setpointercapture_inactive_button_mouse-manual.html", 
-     {}
-    ]
-   ], 
    "pointerevents/pointerevent_setpointercapture_invalid_pointerid-manual.html": [
     [
      "/pointerevents/pointerevent_setpointercapture_invalid_pointerid-manual.html", 
@@ -17551,12 +17527,6 @@
      {}
     ]
    ], 
-   "uievents/mouse/mouse_buttons_back_forward-manual.html": [
-    [
-     "/uievents/mouse/mouse_buttons_back_forward-manual.html", 
-     {}
-    ]
-   ], 
    "uievents/mouse/mouseevent_move_button-manual.html": [
     [
      "/uievents/mouse/mouseevent_move_button-manual.html", 
@@ -109873,6 +109843,42 @@
      {}
     ]
    ], 
+   "css/css-contain/contain-layout-baseline-002.html": [
+    [
+     "/css/css-contain/contain-layout-baseline-002.html", 
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
+   "css/css-contain/contain-layout-baseline-003.html": [
+    [
+     "/css/css-contain/contain-layout-baseline-003.html", 
+     [
+      [
+       "/css/reference/ref-filled-green-100px-square.xht", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
+   "css/css-contain/contain-layout-baseline-004.html": [
+    [
+     "/css/css-contain/contain-layout-baseline-004.html", 
+     [
+      [
+       "/css/css-contain/reference/contain-layout-baseline-004-ref.html", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
    "css/css-contain/contain-layout-breaks-001.html": [
     [
      "/css/css-contain/contain-layout-breaks-001.html", 
@@ -139573,6 +139579,18 @@
      {}
     ]
    ], 
+   "css/css-text/text-transform/text-transform-capitalize-033.html": [
+    [
+     "/css/css-text/text-transform/text-transform-capitalize-033.html", 
+     [
+      [
+       "/css/css-text/text-transform/text-transform-capitalize-033-ref.html", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
    "css/css-text/text-transform/text-transform-full-size-kana-001.html": [
     [
      "/css/css-text/text-transform/text-transform-full-size-kana-001.html", 
@@ -172785,6 +172803,30 @@
      {}
     ]
    ], 
+   "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html": [
+    [
+     "/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html", 
+     [
+      [
+       "/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
+   "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html": [
+    [
+     "/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html", 
+     [
+      [
+       "/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html", 
+       "=="
+      ]
+     ], 
+     {}
+    ]
+   ], 
    "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-paint-clip-001.html": [
     [
      "/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-paint-clip-001.html", 
@@ -251513,6 +251555,11 @@
      {}
     ]
    ], 
+   "css/css-contain/reference/contain-layout-baseline-004-ref.html": [
+    [
+     {}
+    ]
+   ], 
    "css/css-contain/reference/contain-layout-breaks-002-ref.html": [
     [
      {}
@@ -268903,6 +268950,11 @@
      {}
     ]
    ], 
+   "css/css-text/text-transform/text-transform-capitalize-033-ref.html": [
+    [
+     {}
+    ]
+   ], 
    "css/css-text/text-transform/text-transform-fullwidth-002-ref.xht": [
     [
      {}
@@ -277883,6 +277935,16 @@
      {}
     ]
    ], 
+   "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html": [
+    [
+     {}
+    ]
+   ], 
+   "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002-ref.html": [
+    [
+     {}
+    ]
+   ], 
    "css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-paint-clip-001-ref.html": [
     [
      {}
@@ -281603,17 +281665,17 @@
      {}
     ]
    ], 
-   "custom-elements/resources/custom-elements-helpers.js": [
+   "custom-elements/resources/empty-html-document.html": [
     [
      {}
     ]
    ], 
-   "custom-elements/resources/empty-html-document.html": [
+   "custom-elements/resources/my-custom-element-html-document.html": [
     [
      {}
     ]
    ], 
-   "custom-elements/resources/my-custom-element-html-document.html": [
+   "custom-elements/resources/navigation-destination.html": [
     [
      {}
     ]
@@ -284933,6 +284995,26 @@
      {}
     ]
    ], 
+   "fetch/content-type/README.md": [
+    [
+     {}
+    ]
+   ], 
+   "fetch/content-type/resources/content-type.py": [
+    [
+     {}
+    ]
+   ], 
+   "fetch/content-type/resources/content-types.json": [
+    [
+     {}
+    ]
+   ], 
+   "fetch/content-type/resources/script-content-types.json": [
+    [
+     {}
+    ]
+   ], 
    "fetch/corb/README.md": [
     [
      {}
@@ -297863,6 +297945,11 @@
      {}
     ]
    ], 
+   "loading/resources/dummy.css": [
+    [
+     {}
+    ]
+   ], 
    "longtask-timing/META.yml": [
     [
      {}
@@ -300733,6 +300820,11 @@
      {}
     ]
    ], 
+   "referrer-policy/generic/subresource/shared-worker.py": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/generic/subresource/stylesheet.py": [
     [
      {}
@@ -300783,6 +300875,11 @@
      {}
     ]
    ], 
+   "referrer-policy/generic/template/shared-worker.js.template": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/generic/template/spec_json.js.template": [
     [
      {}
@@ -301088,6 +301185,16 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html.headers": [
     [
      {}
@@ -301428,6 +301535,16 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html.headers": [
     [
      {}
@@ -301768,6 +301885,16 @@
      {}
     ]
    ], 
+   "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html.headers": [
     [
      {}
@@ -302213,6 +302340,16 @@
      {}
     ]
    ], 
+   "referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html.headers": [
     [
      {}
@@ -302553,6 +302690,16 @@
      {}
     ]
    ], 
+   "referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/same-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html.headers": [
     [
      {}
@@ -302848,6 +302995,16 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-insecure.http.html.headers": [
     [
      {}
@@ -303188,6 +303345,16 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html.headers": [
     [
      {}
@@ -303528,6 +303695,16 @@
      {}
     ]
    ], 
+   "referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
+   "referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers": [
+    [
+     {}
+    ]
+   ], 
    "referrer-policy/unsafe-url/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html.headers": [
     [
      {}
@@ -303713,6 +303890,11 @@
      {}
     ]
    ], 
+   "resource-timing/resources/buffer-full-utilities.js": [
+    [
+     {}
+    ]
+   ], 
    "resource-timing/resources/empty.js": [
     [
      {}
@@ -304073,6 +304255,11 @@
      {}
     ]
    ], 
+   "resources/custom-elements-helpers.js": [
+    [
+     {}
+    ]
+   ], 
    "resources/idlharness.js": [
     [
      {}
@@ -308533,6 +308720,16 @@
      {}
     ]
    ], 
+   "signed-exchange/resources/sxg-head-request.sxg": [
+    [
+     {}
+    ]
+   ], 
+   "signed-exchange/resources/sxg-head-request.sxg.headers": [
+    [
+     {}
+    ]
+   ], 
    "signed-exchange/resources/sxg-invalid-validity-url.sxg": [
     [
      {}
@@ -308583,6 +308780,11 @@
      {}
     ]
    ], 
+   "storage/helpers.js": [
+    [
+     {}
+    ]
+   ], 
    "streams/META.yml": [
     [
      {}
@@ -315928,11 +316130,6 @@
      {}
     ]
    ], 
-   "tools/wptrunner/wptrunner/browsers/safari_webdriver.py": [
-    [
-     {}
-    ]
-   ], 
    "tools/wptrunner/wptrunner/browsers/sauce.py": [
     [
      {}
@@ -337556,6 +337753,114 @@
      {}
     ]
    ], 
+   "css/css-break/parsing/box-decoration-break-computed.html": [
+    [
+     "/css/css-break/parsing/box-decoration-break-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/box-decoration-break-invalid.html": [
+    [
+     "/css/css-break/parsing/box-decoration-break-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/box-decoration-break-valid.html": [
+    [
+     "/css/css-break/parsing/box-decoration-break-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-after-computed.html": [
+    [
+     "/css/css-break/parsing/break-after-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-after-invalid.html": [
+    [
+     "/css/css-break/parsing/break-after-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-after-valid.html": [
+    [
+     "/css/css-break/parsing/break-after-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-before-computed.html": [
+    [
+     "/css/css-break/parsing/break-before-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-before-invalid.html": [
+    [
+     "/css/css-break/parsing/break-before-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-before-valid.html": [
+    [
+     "/css/css-break/parsing/break-before-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-inside-computed.html": [
+    [
+     "/css/css-break/parsing/break-inside-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-inside-invalid.html": [
+    [
+     "/css/css-break/parsing/break-inside-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/break-inside-valid.html": [
+    [
+     "/css/css-break/parsing/break-inside-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/orphans-computed.html": [
+    [
+     "/css/css-break/parsing/orphans-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/orphans-invalid.html": [
+    [
+     "/css/css-break/parsing/orphans-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/orphans-valid.html": [
+    [
+     "/css/css-break/parsing/orphans-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/widows-computed.html": [
+    [
+     "/css/css-break/parsing/widows-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/widows-invalid.html": [
+    [
+     "/css/css-break/parsing/widows-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-break/parsing/widows-valid.html": [
+    [
+     "/css/css-break/parsing/widows-valid.html", 
+     {}
+    ]
+   ], 
    "css/css-cascade/all-prop-initial-xml.html": [
     [
      "/css/css-cascade/all-prop-initial-xml.html", 
@@ -337660,6 +337965,24 @@
      {}
     ]
    ], 
+   "css/css-contain/parsing/contain-computed.html": [
+    [
+     "/css/css-contain/parsing/contain-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-contain/parsing/contain-invalid.html": [
+    [
+     "/css/css-contain/parsing/contain-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-contain/parsing/contain-valid.html": [
+    [
+     "/css/css-contain/parsing/contain-valid.html", 
+     {}
+    ]
+   ], 
    "css/css-counter-styles/idlharness.html": [
     [
      "/css/css-counter-styles/idlharness.html", 
@@ -340590,6 +340913,174 @@
      {}
     ]
    ], 
+   "css/css-multicol/parsing/column-count-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-count-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-count-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-count-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-count-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-count-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-fill-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-fill-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-fill-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-fill-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-fill-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-fill-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-gap-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-gap-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-gap-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-gap-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-gap-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-gap-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-color-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-color-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-color-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-color-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-color-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-color-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-style-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-style-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-style-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-style-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-style-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-style-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-width-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-width-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-width-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-width-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-rule-width-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-rule-width-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-span-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-span-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-span-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-span-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-span-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-span-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-width-computed.html": [
+    [
+     "/css/css-multicol/parsing/column-width-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-width-invalid.html": [
+    [
+     "/css/css-multicol/parsing/column-width-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/column-width-valid.html": [
+    [
+     "/css/css-multicol/parsing/column-width-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/columns-invalid.html": [
+    [
+     "/css/css-multicol/parsing/columns-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-multicol/parsing/columns-valid.html": [
+    [
+     "/css/css-multicol/parsing/columns-valid.html", 
+     {}
+    ]
+   ], 
    "css/css-multicol/zero-column-width-computed-style.html": [
     [
      "/css/css-multicol/zero-column-width-computed-style.html", 
@@ -340638,6 +341129,186 @@
      {}
     ]
    ], 
+   "css/css-position/parsing/bottom-computed.html": [
+    [
+     "/css/css-position/parsing/bottom-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/bottom-invalid.html": [
+    [
+     "/css/css-position/parsing/bottom-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/bottom-valid.html": [
+    [
+     "/css/css-position/parsing/bottom-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-after-computed.html": [
+    [
+     "/css/css-position/parsing/inset-after-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-after-invalid.html": [
+    [
+     "/css/css-position/parsing/inset-after-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-after-valid.html": [
+    [
+     "/css/css-position/parsing/inset-after-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-before-computed.html": [
+    [
+     "/css/css-position/parsing/inset-before-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-before-invalid.html": [
+    [
+     "/css/css-position/parsing/inset-before-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-before-valid.html": [
+    [
+     "/css/css-position/parsing/inset-before-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-end-computed.html": [
+    [
+     "/css/css-position/parsing/inset-end-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-end-invalid.html": [
+    [
+     "/css/css-position/parsing/inset-end-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-end-valid.html": [
+    [
+     "/css/css-position/parsing/inset-end-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-start-computed.html": [
+    [
+     "/css/css-position/parsing/inset-start-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-start-invalid.html": [
+    [
+     "/css/css-position/parsing/inset-start-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/inset-start-valid.html": [
+    [
+     "/css/css-position/parsing/inset-start-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/left-computed.html": [
+    [
+     "/css/css-position/parsing/left-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/left-invalid.html": [
+    [
+     "/css/css-position/parsing/left-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/left-valid.html": [
+    [
+     "/css/css-position/parsing/left-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/position-computed.html": [
+    [
+     "/css/css-position/parsing/position-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/position-invalid.html": [
+    [
+     "/css/css-position/parsing/position-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/position-valid.html": [
+    [
+     "/css/css-position/parsing/position-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/right-computed.html": [
+    [
+     "/css/css-position/parsing/right-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/right-invalid.html": [
+    [
+     "/css/css-position/parsing/right-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/right-valid.html": [
+    [
+     "/css/css-position/parsing/right-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/top-computed.html": [
+    [
+     "/css/css-position/parsing/top-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/top-invalid.html": [
+    [
+     "/css/css-position/parsing/top-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/top-valid.html": [
+    [
+     "/css/css-position/parsing/top-valid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/z-index-computed.html": [
+    [
+     "/css/css-position/parsing/z-index-computed.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/z-index-invalid.html": [
+    [
+     "/css/css-position/parsing/z-index-invalid.html", 
+     {}
+    ]
+   ], 
+   "css/css-position/parsing/z-index-valid.html": [
+    [
+     "/css/css-position/parsing/z-index-valid.html", 
+     {}
+    ]
+   ], 
    "css/css-position/position-sticky-bottom.html": [
     [
      "/css/css-position/position-sticky-bottom.html", 
@@ -348190,6 +348861,24 @@
      {}
     ]
    ], 
+   "css/filter-effects/parsing/flood-opacity-computed.svg": [
+    [
+     "/css/filter-effects/parsing/flood-opacity-computed.svg", 
+     {}
+    ]
+   ], 
+   "css/filter-effects/parsing/flood-opacity-invalid.svg": [
+    [
+     "/css/filter-effects/parsing/flood-opacity-invalid.svg", 
+     {}
+    ]
+   ], 
+   "css/filter-effects/parsing/flood-opacity-valid.svg": [
+    [
+     "/css/filter-effects/parsing/flood-opacity-valid.svg", 
+     {}
+    ]
+   ], 
    "css/filter-effects/parsing/lighting-color-computed.html": [
     [
      "/css/filter-effects/parsing/lighting-color-computed.html", 
@@ -348860,6 +349549,24 @@
      {}
     ]
    ], 
+   "css/selectors/invalidation/defined.html": [
+    [
+     "/css/selectors/invalidation/defined.html", 
+     {}
+    ]
+   ], 
+   "css/selectors/invalidation/enabled-disabled.html": [
+    [
+     "/css/selectors/invalidation/enabled-disabled.html", 
+     {}
+    ]
+   ], 
+   "css/selectors/invalidation/first-child-last-child.html": [
+    [
+     "/css/selectors/invalidation/first-child-last-child.html", 
+     {}
+    ]
+   ], 
    "css/selectors/invalidation/is.html": [
     [
      "/css/selectors/invalidation/is.html", 
@@ -349190,6 +349897,12 @@
      {}
     ]
    ], 
+   "custom-elements/reactions/HTMLButtonElement.html": [
+    [
+     "/custom-elements/reactions/HTMLButtonElement.html", 
+     {}
+    ]
+   ], 
    "custom-elements/reactions/HTMLElement.html": [
     [
      "/custom-elements/reactions/HTMLElement.html", 
@@ -349292,6 +350005,18 @@
      {}
     ]
    ], 
+   "custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html": [
+    [
+     "/custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html", 
+     {}
+    ]
+   ], 
+   "custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html": [
+    [
+     "/custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html", 
+     {}
+    ]
+   ], 
    "custom-elements/upgrading.html": [
     [
      "/custom-elements/upgrading.html", 
@@ -362526,6 +363251,18 @@
      {}
     ]
    ], 
+   "fetch/content-type/response.window.js": [
+    [
+     "/fetch/content-type/response.window.html", 
+     {}
+    ]
+   ], 
+   "fetch/content-type/script.window.js": [
+    [
+     "/fetch/content-type/script.window.html", 
+     {}
+    ]
+   ], 
    "fetch/corb/img-mime-types-coverage.tentative.sub.html": [
     [
      "/fetch/corb/img-mime-types-coverage.tentative.sub.html", 
@@ -363099,7 +363836,9 @@
    "geolocation-API/getCurrentPosition_IDL.https.html": [
     [
      "/geolocation-API/getCurrentPosition_IDL.https.html", 
-     {}
+     {
+      "timeout": "long"
+     }
     ]
    ], 
    "geolocation-API/getCurrentPosition_TypeError.html": [
@@ -367920,6 +368659,12 @@
      {}
     ]
    ], 
+   "html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html": [
+    [
+     "/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html", 
+     {}
+    ]
+   ], 
    "html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html": [
     [
      "/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html", 
@@ -377340,6 +378085,36 @@
      {}
     ]
    ], 
+   "loading/preloader-css-import-no-quote.tentative.html": [
+    [
+     "/loading/preloader-css-import-no-quote.tentative.html", 
+     {}
+    ]
+   ], 
+   "loading/preloader-css-import-no-semicolon.tentative.html": [
+    [
+     "/loading/preloader-css-import-no-semicolon.tentative.html", 
+     {}
+    ]
+   ], 
+   "loading/preloader-css-import-no-space.tentative.html": [
+    [
+     "/loading/preloader-css-import-no-space.tentative.html", 
+     {}
+    ]
+   ], 
+   "loading/preloader-css-import-single-quote.tentative.html": [
+    [
+     "/loading/preloader-css-import-single-quote.tentative.html", 
+     {}
+    ]
+   ], 
+   "loading/preloader-css-import.tentative.html": [
+    [
+     "/loading/preloader-css-import.tentative.html", 
+     {}
+    ]
+   ], 
    "longtask-timing/idlharness.window.js": [
     [
      "/longtask-timing/idlharness.window.html", 
@@ -391914,6 +392689,14 @@
      {}
     ]
    ], 
+   "pointerevents/pointerevent_capture_mouse.html": [
+    [
+     "/pointerevents/pointerevent_capture_mouse.html", 
+     {
+      "testdriver": true
+     }
+    ]
+   ], 
    "pointerevents/pointerevent_constructor.html": [
     [
      "/pointerevents/pointerevent_constructor.html", 
@@ -391926,6 +392709,50 @@
      {}
     ]
    ], 
+   "pointerevents/pointerevent_pointermove.html": [
+    [
+     "/pointerevents/pointerevent_pointermove.html", 
+     {
+      "testdriver": true
+     }
+    ]
+   ], 
+   "pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown.html": [
+    [
+     "/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown.html", 
+     {
+      "testdriver": true
+     }
+    ]
+   ], 
+   "pointerevents/pointerevent_pointermove_on_chorded_mouse_button.html": [
+    [
+     "/pointerevents/pointerevent_pointermove_on_chorded_mouse_button.html", 
+     {
+      "testdriver": true
+     }
+    ]
+   ], 
+   "pointerevents/pointerevent_root_computed_style.html": [
+    [
+     "/pointerevents/pointerevent_root_computed_style.html", 
+     {}
+    ]
+   ], 
+   "pointerevents/pointerevent_root_hit_test.html": [
+    [
+     "/pointerevents/pointerevent_root_hit_test.html", 
+     {}
+    ]
+   ], 
+   "pointerevents/pointerevent_setpointercapture_inactive_button_mouse.html": [
+    [
+     "/pointerevents/pointerevent_setpointercapture_inactive_button_mouse.html", 
+     {
+      "testdriver": true
+     }
+    ]
+   ], 
    "pointerevents/pointerevent_touch-action-illegal.html": [
     [
      "/pointerevents/pointerevent_touch-action-illegal.html", 
@@ -391968,6 +392795,12 @@
      {}
     ]
    ], 
+   "preload/dynamic-adding-preload-imagesrcset.tentative.html": [
+    [
+     "/preload/dynamic-adding-preload-imagesrcset.tentative.html", 
+     {}
+    ]
+   ], 
    "preload/dynamic-adding-preload-nonce.html": [
     [
      "/preload/dynamic-adding-preload-nonce.html", 
@@ -393052,6 +393885,18 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html": [
     [
      "/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html", 
@@ -393460,6 +394305,18 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html": [
     [
      "/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html", 
@@ -394108,6 +394965,18 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html": [
+    [
+     "/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html": [
+    [
+     "/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html": [
     [
      "/referrer-policy/no-referrer/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html", 
@@ -394516,6 +395385,18 @@
      {}
     ]
    ], 
+   "referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html": [
+    [
+     "/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html": [
+    [
+     "/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/no-referrer/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html": [
     [
      "/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html", 
@@ -395242,6 +396123,18 @@
      {}
     ]
    ], 
+   "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html": [
     [
      "/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html", 
@@ -395776,6 +396669,18 @@
      {}
     ]
    ], 
+   "referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html": [
     [
      "/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html", 
@@ -396550,6 +397455,18 @@
      {}
     ]
    ], 
+   "referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html": [
+    [
+     "/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html": [
+    [
+     "/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html": [
     [
      "/referrer-policy/origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html", 
@@ -396958,6 +397875,18 @@
      {}
     ]
    ], 
+   "referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html": [
+    [
+     "/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html": [
+    [
+     "/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html": [
     [
      "/referrer-policy/origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/generic.http.html", 
@@ -397564,6 +398493,18 @@
      {}
     ]
    ], 
+   "referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/same-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html": [
     [
      "/referrer-policy/same-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html", 
@@ -397906,6 +398847,18 @@
      {}
     ]
    ], 
+   "referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html": [
+    [
+     "/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/same-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html": [
     [
      "/referrer-policy/same-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-origin-insecure.http.html", 
@@ -398488,6 +399441,18 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html": [
+    [
+     "/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html": [
+    [
+     "/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-insecure.http.html": [
     [
      "/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/same-insecure.http.html", 
@@ -398896,6 +399861,18 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html": [
+    [
+     "/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html": [
+    [
+     "/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-insecure.http.html": [
     [
      "/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/same-insecure.http.html", 
@@ -399544,6 +400521,18 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html": [
     [
      "/referrer-policy/strict-origin/http-rp/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html", 
@@ -399952,6 +400941,18 @@
      {}
     ]
    ], 
+   "referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
+   "referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html": [
+    [
+     "/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html", 
+     {}
+    ]
+   ], 
    "referrer-policy/strict-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html": [
     [
      "/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/worker-request/keep-origin-redirect/insecure-protocol.http.html", 
@@ -400600,6 +401601,18 @@
      {}
     ]
    ], 
+   "referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html": [
+    [
+     "/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html", 
+     {}
+    ]
+   ], 
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    "support"
   ], 
   "tools/wpt/run.py": [
-   "e10f895294f7d193cfd1dcb26eed0fc9a424887a", 
+   "82f0ffcc799140527101aed1b2d83fd5768680db", 
    "support"
   ], 
   "tools/wpt/testfiles.py": [
@@ -667196,7 +669113,7 @@
    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/__init__.py": [
-   "6c095f5c5a6b2c9228dbcf3264c842c3f93276c8", 
+   "f86792d47410f8f574843c13ed86262bdbfafb21", 
    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/base.py": [
@@ -667236,11 +669153,7 @@
    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/safari.py": [
-   "670098ea22216b3558ec2d50fc6f190b0b2dfe97", 
-   "support"
-  ], 
-  "tools/wptrunner/wptrunner/browsers/safari_webdriver.py": [
-   "12735c141b3ad82551730dcbfa865f5b83085409", 
+   "1e18f95af704aa5e966702539d115f4b199e68db", 
    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/sauce.py": [
@@ -667444,7 +669357,7 @@
    "support"
   ], 
   "tools/wptrunner/wptrunner/tests/base.py": [
-   "db518e7b6724659c5ffe6bedce7db0a020cec976", 
+   "47a31de9ba85d0f3196334e08d2756cd64aa2117", 
    "support"
   ], 
   "tools/wptrunner/wptrunner/tests/browsers/__init__.py": [
@@ -668471,9 +670384,9 @@
    "f36fadb697b0f0338ae12535b55809c45e3644bb", 
    "manual"
   ], 
-  "uievents/mouse/mouse_buttons_back_forward-manual.html": [
-   "aa4e944b95cb2e0932ffa042c3f47ec1ccaf4653", 
-   "manual"
+  "uievents/mouse/mouse_buttons_back_forward.html": [
+   "787abac44472960844b5b3eda3955134f17240a8", 
+   "testharness"
   ], 
   "uievents/mouse/mouseevent_move_button-manual.html": [
    "ff5eaba6983baff64ebd9afc7465b0c8e2ac151f", 
@@ -673540,11 +675453,11 @@
    "support"
   ], 
   "webrtc-quic/RTCQuicStream-helper.js": [
-   "a87668f5a21eebd64f810029330989c5be10f037", 
+   "9563e53d84240ce51e7219b712d6d6fede3cb1ce", 
    "support"
   ], 
   "webrtc-quic/RTCQuicStream.https.html": [
-   "08c3a54a950830573761950b76bb420067de86b6", 
+   "1e242985630fb812db73bfe4b69cc90fc150934f", 
    "testharness"
   ], 
   "webrtc-quic/RTCQuicTransport-helper.js": [
@@ -673608,7 +675521,7 @@
    "support"
   ], 
   "webrtc/RTCDTMFSender-insertDTMF.https.html": [
-   "8a6d6456f3a9e000a898906cccdccc76102c4e59", 
+   "8ac144bab9286fbaa560272ae9c1ca7965090532", 
    "testharness"
   ], 
   "webrtc/RTCDTMFSender-ontonechange-long.https.html": [
@@ -673740,7 +675653,7 @@
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-removeTrack.https.html": [
-   "c98dbdbd8f3fa0501131a9a59ddc8982d340ebae", 
+   "a955db6895ad1727f1c13a3b8e1ee5f1e8c7c37c", 
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-setDescription-transceiver.html": [
@@ -673792,7 +675705,7 @@
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html": [
-   "c9d2d1282c7b2190f80506becebc48e32b3dc009", 
+   "aa3f93e235e3408bba55548de226e76327ce40f5", 
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-setRemoteDescription.html": [
@@ -673800,7 +675713,7 @@
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-track-stats.https.html": [
-   "3809530b74cac30b9f66398eaa59a97af0f81736", 
+   "9ad679272b57e4d77ed4d2ceea3c1283e2e0eacd", 
    "testharness"
   ], 
   "webrtc/RTCPeerConnection-transceivers.https.html": [
@@ -673856,7 +675769,7 @@
    "testharness"
   ], 
   "webrtc/RTCRtpReceiver-getStats.https.html": [
-   "05ca9f3c90b652a4c46a0395bf2ad1a6eb44e15f", 
+   "7cd598393708b501e0b3dbd49d31eda8230dae88", 
    "testharness"
   ], 
   "webrtc/RTCRtpReceiver-getSynchronizationSources.https.html": [
@@ -673980,11 +675893,11 @@
    "support"
   ], 
   "webrtc/simplecall-no-ssrcs.https.html": [
-   "877791052824d9d5bf6b9718a4f4adc1d98c8742", 
+   "d79f6af3d69aca0fc653a3e821eab4019eeda198", 
    "testharness"
   ], 
   "webrtc/simplecall.https.html": [
-   "681c42d4cd855dcf53543a7add231d2665c381a9", 
+   "291437a526582d13db6e04fa39c152ce9ed5859a", 
    "testharness"
   ], 
   "webrtc/tools/.eslintrc.js": [
@@ -680092,7 +682005,7 @@
    "testharness"
   ], 
   "xhr/abort-during-upload.htm": [
-   "9fbc8b9bbb473fa3b605759516e8e0493ce5e098", 
+   "9732791d953c6e497df6627d86e4a1ee179cb6a3", 
    "testharness"
   ], 
   "xhr/abort-event-abort.htm": [
@@ -681356,7 +683269,7 @@
    "testharness"
   ], 
   "xhr/send-redirect-bogus.htm": [
-   "a46fc1d339e485fb03d4a2d866a61d71a3f9e0bd", 
+   "ad50b56f4a0c59f46edd51fc74d15af11c211187", 
    "testharness"
   ], 
   "xhr/send-redirect-infinite-sync.htm": [
@@ -681512,7 +683425,7 @@
    "testharness"
   ], 
   "xhr/timeout-cors-async.htm": [
-   "35e2a30ba2f51aaa6b3ba21603869db156decd5b", 
+   "74397ba8c406ee19d3c250e518f4d1a54101a0f3", 
    "testharness"
   ], 
   "xhr/timeout-multiple-fetches.html": [
diff --git a/tests/wpt/metadata/css/CSS2/floats/floats-in-table-caption-001.html.ini b/tests/wpt/metadata/css/CSS2/floats/floats-in-table-caption-001.html.ini
new file mode 100644
index 000000000000..86715ffc9c20
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/floats-in-table-caption-001.html.ini
@@ -0,0 +1,2 @@
+[floats-in-table-caption-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/visudet/line-height-204.html.ini b/tests/wpt/metadata/css/CSS2/visudet/line-height-204.html.ini
deleted file mode 100644
index 3d28990c2831..000000000000
--- a/tests/wpt/metadata/css/CSS2/visudet/line-height-204.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[line-height-204.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-paragraph.html.ini b/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-paragraph.html.ini
deleted file mode 100644
index fb5b6fd00069..000000000000
--- a/tests/wpt/metadata/css/compositing/mix-blend-mode/mix-blend-mode-paragraph.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[mix-blend-mode-paragraph.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-backgrounds/background-repeat/background-repeat-round-roundup.xht.ini b/tests/wpt/metadata/css/css-backgrounds/background-repeat/background-repeat-round-roundup.xht.ini
deleted file mode 100644
index f20284a53962..000000000000
--- a/tests/wpt/metadata/css/css-backgrounds/background-repeat/background-repeat-round-roundup.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[background-repeat-round-roundup.xht]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
index be7dc942c8ca..9c7556589997 100644
--- a/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
+++ b/tests/wpt/metadata/css/css-fonts/variations/at-font-face-font-matching.html.ini
@@ -35,9 +35,6 @@
   [Matching font-weight: '430' should prefer '340 398' over '501 550']
     expected: FAIL
 
-  [Matching font-weight: '500' should prefer '500' over '450 460']
-    expected: FAIL
-
   [Matching font-weight: '500' should prefer '351 398' over '501 550']
     expected: FAIL
 
@@ -68,9 +65,6 @@
   [Matching font-weight: '399' should prefer '450 460' over '500 501']
     expected: FAIL
 
-  [Matching font-weight: '399' should prefer '500 501' over '502 510']
-    expected: FAIL
-
   [Matching font-stretch: '100%' should prefer '100%' over '110% 120%']
     expected: FAIL
 
@@ -92,15 +86,9 @@
   [Matching font-style: 'italic' should prefer 'normal' over 'oblique 0deg']
     expected: FAIL
 
-  [Matching font-style: 'italic' should prefer 'oblique 0deg' over 'oblique -60deg -30deg']
-    expected: FAIL
-
   [Matching font-style: 'italic' should prefer 'oblique -60deg -30deg' over 'oblique -50deg -40deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique 20deg' should prefer 'oblique 20deg' over 'oblique 30deg 60deg']
-    expected: FAIL
-
   [Matching font-style: 'oblique 21deg' should prefer 'oblique 20deg' over 'oblique 10deg']
     expected: FAIL
 
@@ -146,9 +134,6 @@
   [Matching font-style: 'oblique 0deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique 0deg' should prefer 'oblique 40deg 50deg' over 'italic']
-    expected: FAIL
-
   [Matching font-style: 'oblique 0deg' should prefer 'italic' over 'oblique -50deg -20deg']
     expected: FAIL
 
@@ -194,9 +179,6 @@
   [Matching font-style: 'oblique -21deg' should prefer 'italic' over 'oblique 0deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique -21deg' should prefer 'oblique 0deg' over 'oblique 30deg 60deg']
-    expected: FAIL
-
   [Matching font-style: 'oblique 20deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg']
     expected: FAIL
 
@@ -206,15 +188,9 @@
   [Matching font-style: 'oblique 20deg' should prefer 'oblique 10deg' over 'italic']
     expected: FAIL
 
-  [Matching font-style: 'oblique 20deg' should prefer 'italic' over 'oblique 0deg']
-    expected: FAIL
-
   [Matching font-style: 'oblique 20deg' should prefer 'oblique 0deg' over 'oblique -50deg -20deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique 20deg' should prefer 'oblique -50deg -20deg' over 'oblique -40deg -30deg']
-    expected: FAIL
-
   [Matching font-style: 'oblique 21deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg']
     expected: FAIL
 
@@ -224,15 +200,9 @@
   [Matching font-stretch: '100%' should prefer '110% 120%' over '115% 116%']
     expected: FAIL
 
-  [Matching font-stretch: '110%' should prefer '110% 120%' over '115% 116%']
-    expected: FAIL
-
   [Matching font-stretch: '110%' should prefer '115% 116%' over '105%']
     expected: FAIL
 
-  [Matching font-stretch: '110%' should prefer '105%' over '100%']
-    expected: FAIL
-
   [Matching font-stretch: '110%' should prefer '100%' over '50% 80%']
     expected: FAIL
 
@@ -245,9 +215,6 @@
   [Matching font-stretch: '90%' should prefer '50% 80%' over '60% 70%']
     expected: FAIL
 
-  [Matching font-stretch: '90%' should prefer '60% 70%' over '110% 140%']
-    expected: FAIL
-
   [Matching font-stretch: '90%' should prefer '110% 140%' over '120% 130%']
     expected: FAIL
 
@@ -263,9 +230,6 @@
   [Matching font-style: 'normal' should prefer 'oblique 20deg 30deg' over 'oblique -50deg -20deg']
     expected: FAIL
 
-  [Matching font-style: 'oblique -21deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg']
-    expected: FAIL
-
   [Descriptor matching priority: Stretch has higher priority than weight]
     expected: FAIL
 
@@ -317,9 +281,6 @@
   [Matching font-style: 'italic' should prefer 'oblique 5deg 10deg' over 'oblique 5deg']
     expected: FAIL
 
-  [Matching font-style: 'italic' should prefer 'oblique 5deg' over 'normal']
-    expected: FAIL
-
   [Matching font-weight: '400' should prefer '400' over '450 460']
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/css-text/text-transform/text-transform-capitalize-033.html.ini b/tests/wpt/metadata/css/css-text/text-transform/text-transform-capitalize-033.html.ini
new file mode 100644
index 000000000000..52c09703856a
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/text-transform/text-transform-capitalize-033.html.ini
@@ -0,0 +1,2 @@
+[text-transform-capitalize-033.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/text-transform/text-transform-full-size-kana-001.html.ini b/tests/wpt/metadata/css/css-text/text-transform/text-transform-full-size-kana-001.html.ini
new file mode 100644
index 000000000000..ded993140ebc
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/text-transform/text-transform-full-size-kana-001.html.ini
@@ -0,0 +1,2 @@
+[text-transform-full-size-kana-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-004.html.ini b/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-004.html.ini
new file mode 100644
index 000000000000..240d1283c3a2
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-004.html.ini
@@ -0,0 +1,2 @@
+[trailing-ideographic-space-004.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/word-break/word-break-break-all-020.html.ini b/tests/wpt/metadata/css/css-text/word-break/word-break-break-all-020.html.ini
deleted file mode 100644
index f83f0f26ad5e..000000000000
--- a/tests/wpt/metadata/css/css-text/word-break/word-break-break-all-020.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[word-break-break-all-020.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/word-break/word-break-keep-all-006.html.ini b/tests/wpt/metadata/css/css-text/word-break/word-break-keep-all-006.html.ini
deleted file mode 100644
index 3a512b4a1244..000000000000
--- a/tests/wpt/metadata/css/css-text/word-break/word-break-keep-all-006.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[word-break-keep-all-006.html]
-  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-computed.svg.ini b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-computed.svg.ini
new file mode 100644
index 000000000000..c78963513bab
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-computed.svg.ini
@@ -0,0 +1,2 @@
+[flood-opacity-computed.svg]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-invalid.svg.ini b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-invalid.svg.ini
new file mode 100644
index 000000000000..ab16bbbfa3dc
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-invalid.svg.ini
@@ -0,0 +1,2 @@
+[flood-opacity-invalid.svg]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-valid.svg.ini b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-valid.svg.ini
new file mode 100644
index 000000000000..ca438b36250c
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/parsing/flood-opacity-valid.svg.ini
@@ -0,0 +1,2 @@
+[flood-opacity-valid.svg]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/selectors/invalidation/defined.html.ini b/tests/wpt/metadata/css/selectors/invalidation/defined.html.ini
new file mode 100644
index 000000000000..da18184b91fa
--- /dev/null
+++ b/tests/wpt/metadata/css/selectors/invalidation/defined.html.ini
@@ -0,0 +1,4 @@
+[defined.html]
+  [:defined selector is effective]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/selectors/invalidation/enabled-disabled.html.ini b/tests/wpt/metadata/css/selectors/invalidation/enabled-disabled.html.ini
new file mode 100644
index 000000000000..f28bf9d3405d
--- /dev/null
+++ b/tests/wpt/metadata/css/selectors/invalidation/enabled-disabled.html.ini
@@ -0,0 +1,7 @@
+[enabled-disabled.html]
+  [Element updates when enabled]
+    expected: FAIL
+
+  [Element updates when disabled]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/adopted-callback.html.ini b/tests/wpt/metadata/custom-elements/adopted-callback.html.ini
index e35f704acf07..73e6e4ebd5db 100644
--- a/tests/wpt/metadata/custom-elements/adopted-callback.html.ini
+++ b/tests/wpt/metadata/custom-elements/adopted-callback.html.ini
@@ -1,5 +1,6 @@
 [adopted-callback.html]
   type: testharness
+  expected: ERROR
   [Inserting a custom element into a shadow tree in the document of the template elements must enqueue and invoke adoptedCallback]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/custom-elements/attribute-changed-callback.html.ini b/tests/wpt/metadata/custom-elements/attribute-changed-callback.html.ini
new file mode 100644
index 000000000000..c98dea97aa26
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/attribute-changed-callback.html.ini
@@ -0,0 +1,4 @@
+[attribute-changed-callback.html]
+  [Custom Elements: attributeChangedCallback]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/connected-callbacks-html-fragment-parsing.html.ini b/tests/wpt/metadata/custom-elements/connected-callbacks-html-fragment-parsing.html.ini
new file mode 100644
index 000000000000..21dd41b064c1
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/connected-callbacks-html-fragment-parsing.html.ini
@@ -0,0 +1,4 @@
+[connected-callbacks-html-fragment-parsing.html]
+  [Custom Elements: the HTML fragment parsing algorithm must not create a custom element synchronously]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/connected-callbacks.html.ini b/tests/wpt/metadata/custom-elements/connected-callbacks.html.ini
index c8a99d69594f..dcace8606589 100644
--- a/tests/wpt/metadata/custom-elements/connected-callbacks.html.ini
+++ b/tests/wpt/metadata/custom-elements/connected-callbacks.html.ini
@@ -72,3 +72,6 @@
   [Inserting a custom element into a detached shadow tree that belongs to an HTML document fetched by XHR must not enqueue and invoke connectedCallback]
     expected: FAIL
 
+  [Custom Elements: connectedCallback]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/custom-element-reaction-queue.html.ini b/tests/wpt/metadata/custom-elements/custom-element-reaction-queue.html.ini
new file mode 100644
index 000000000000..03f40d084f09
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/custom-element-reaction-queue.html.ini
@@ -0,0 +1,4 @@
+[custom-element-reaction-queue.html]
+  [Custom Elements: Each element must have its own custom element reaction queue]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/disconnected-callbacks.html.ini b/tests/wpt/metadata/custom-elements/disconnected-callbacks.html.ini
index 03c6f99379f2..55ac810a899a 100644
--- a/tests/wpt/metadata/custom-elements/disconnected-callbacks.html.ini
+++ b/tests/wpt/metadata/custom-elements/disconnected-callbacks.html.ini
@@ -72,3 +72,6 @@
   [Removing a custom element from a detached shadow tree that belongs to an HTML document fetched by XHR must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
+  [Custom Elements: disconnectedCallback]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/htmlconstructor/newtarget.html.ini b/tests/wpt/metadata/custom-elements/htmlconstructor/newtarget.html.ini
index 95ec0778d0ae..b12a786124f4 100644
--- a/tests/wpt/metadata/custom-elements/htmlconstructor/newtarget.html.ini
+++ b/tests/wpt/metadata/custom-elements/htmlconstructor/newtarget.html.ini
@@ -5,3 +5,6 @@
   [HTMLParagraphElement constructor must not get .prototype until it finishes its extends sanity checks, calling via Reflect]
     expected: FAIL
 
+  [Custom Elements: [HTMLConstructor\] derives prototype from NewTarget]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/parser/parser-sets-attributes-and-children.html.ini b/tests/wpt/metadata/custom-elements/parser/parser-sets-attributes-and-children.html.ini
index b6001e8bba91..b49624917dfd 100644
--- a/tests/wpt/metadata/custom-elements/parser/parser-sets-attributes-and-children.html.ini
+++ b/tests/wpt/metadata/custom-elements/parser/parser-sets-attributes-and-children.html.ini
@@ -1,2 +1,2 @@
 [parser-sets-attributes-and-children.html]
-  expected: CRASH
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/custom-elements/parser/parser-uses-registry-of-owner-document.html.ini b/tests/wpt/metadata/custom-elements/parser/parser-uses-registry-of-owner-document.html.ini
index f682fd43fb6f..a0a5ea34e954 100644
--- a/tests/wpt/metadata/custom-elements/parser/parser-uses-registry-of-owner-document.html.ini
+++ b/tests/wpt/metadata/custom-elements/parser/parser-uses-registry-of-owner-document.html.ini
@@ -1,5 +1,6 @@
 [parser-uses-registry-of-owner-document.html]
   type: testharness
+  expected: ERROR
   [HTML parser must not instantiate custom elements inside template elements]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/custom-elements/reactions/Attr.html.ini b/tests/wpt/metadata/custom-elements/reactions/Attr.html.ini
new file mode 100644
index 000000000000..100071e64b63
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/Attr.html.ini
@@ -0,0 +1,7 @@
+[Attr.html]
+  [value on Attr must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [value on Attr must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/CSSStyleDeclaration.html.ini b/tests/wpt/metadata/custom-elements/reactions/CSSStyleDeclaration.html.ini
index d60fba101801..a10433e59ab8 100644
--- a/tests/wpt/metadata/custom-elements/reactions/CSSStyleDeclaration.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/CSSStyleDeclaration.html.ini
@@ -24,3 +24,69 @@
   [A webkit prefixed dashed property (-webkit-filter) on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed]
     expected: FAIL
 
+  [A dashed property (border-width) on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute]
+    expected: FAIL
+
+  [cssText on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must enqueue an attributeChanged reaction when it mutates the observed style attribute]
+    expected: FAIL
+
+  [cssFloat on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute]
+    expected: FAIL
+
+  [cssText on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [A camel case attribute (borderWidth) on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [cssFloat on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must enqueue an attributeChanged reaction when it makes a property important but the style attribute is not observed]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must enqueue an attributeChanged reaction when it makes a property important and the style attribute is observed]
+    expected: FAIL
+
+  [A dashed property (border-width) on CSSStyleDeclaration must enqueue an attributeChanged reaction when it mutates the observed style attribute]
+    expected: FAIL
+
+  [A camel case attribute (borderWidth) on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute]
+    expected: FAIL
+
+  [removeProperty on CSSStyleDeclaration must enqueue an attributeChanged reaction when it removes a property from the observed style attribute]
+    expected: FAIL
+
+  [cssText on CSSStyleDeclaration must enqueue an attributeChanged reaction when it mutates the observed style attribute]
+    expected: FAIL
+
+  [A camel case attribute (borderWidth) on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [A dashed property (border-width) on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [setProperty on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [cssText on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute]
+    expected: FAIL
+
+  [removeProperty on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it removes a property from the style attribute but the style attribute is not observed]
+    expected: FAIL
+
+  [A camel case attribute (borderWidth) on CSSStyleDeclaration must enqueue an attributeChanged reaction when it mutates the observed style attribute]
+    expected: FAIL
+
+  [A dashed property (border-width) on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it mutates the style attribute but the style attribute is not observed]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/ChildNode.html.ini b/tests/wpt/metadata/custom-elements/reactions/ChildNode.html.ini
new file mode 100644
index 000000000000..2d86a5506526
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/ChildNode.html.ini
@@ -0,0 +1,22 @@
+[ChildNode.html]
+  [before on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [replaceWith on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [before on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [after on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [remove on ChildNode must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [replaceWith on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [after on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/DOMStringMap.html.ini b/tests/wpt/metadata/custom-elements/reactions/DOMStringMap.html.ini
new file mode 100644
index 000000000000..d04c6580c008
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/DOMStringMap.html.ini
@@ -0,0 +1,25 @@
+[DOMStringMap.html]
+  [deleter on DOMStringMap must enqueue an attributeChanged reaction when removing an observed data attribute]
+    expected: FAIL
+
+  [deleter on DOMStringMap must not enqueue an attributeChanged reaction when removing an unobserved data attribute]
+    expected: FAIL
+
+  [setter on DOMStringMap must not enqueue an attributeChanged reaction when mutating the value of an unobserved data attribute]
+    expected: FAIL
+
+  [setter on DOMStringMap must enqueue an attributeChanged reaction when adding an observed data attribute]
+    expected: FAIL
+
+  [setter on DOMStringMap must not enqueue an attributeChanged reaction when adding an unobserved data attribute]
+    expected: FAIL
+
+  [setter on DOMStringMap must enqueue an attributeChanged reaction when mutating the value of an observed data attribute to the same value]
+    expected: FAIL
+
+  [deleter on DOMStringMap must not enqueue an attributeChanged reaction when it does not remove a data attribute]
+    expected: FAIL
+
+  [setter on DOMStringMap must enqueue an attributeChanged reaction when mutating the value of an observed data attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/DOMTokenList.html.ini b/tests/wpt/metadata/custom-elements/reactions/DOMTokenList.html.ini
new file mode 100644
index 000000000000..3c7ad12dda76
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/DOMTokenList.html.ini
@@ -0,0 +1,58 @@
+[DOMTokenList.html]
+  [add on DOMTokenList must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [replace on DOMTokenList must not enqueue an attributeChanged reaction when the token to replace does not exist in the attribute]
+    expected: FAIL
+
+  [replace on DOMTokenList must not enqueue an attributeChanged reaction when replacing a value in an unobserved attribute]
+    expected: FAIL
+
+  [toggle on DOMTokenList must enqueue an attributeChanged reaction when removing a value from an attribute]
+    expected: FAIL
+
+  [add on DOMTokenList must not enqueue an attributeChanged reaction when adding a value to an unobserved attribute]
+    expected: FAIL
+
+  [add on DOMTokenList must enqueue exactly one attributeChanged reaction when adding multiple values to an attribute]
+    expected: FAIL
+
+  [remove on DOMTokenList must enqueue an attributeChanged reaction when removing a value from an attribute]
+    expected: FAIL
+
+  [the stringifier of DOMTokenList must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [the stringifier of DOMTokenList must enqueue an attributeChanged reaction when the setter is called with the original value of the attribute]
+    expected: FAIL
+
+  [toggle on DOMTokenList must enqueue an attributeChanged reaction when adding a value to an attribute]
+    expected: FAIL
+
+  [the stringifier of DOMTokenList must enqueue an attributeChanged reaction when adding an observed attribute]
+    expected: FAIL
+
+  [add on DOMTokenList must enqueue an attributeChanged reaction when adding a value to an existing attribute]
+    expected: FAIL
+
+  [remove on DOMTokenList must enqueue an attributeChanged reaction even when removing a non-existent value from an attribute]
+    expected: FAIL
+
+  [remove on DOMTokenList must not enqueue an attributeChanged reaction when removing a value from an unobserved attribute]
+    expected: FAIL
+
+  [remove on DOMTokenList must enqueue exactly one attributeChanged reaction when removing multiple values to an attribute]
+    expected: FAIL
+
+  [the stringifier of DOMTokenList must enqueue an attributeChanged reaction when mutating the value of an observed attribute]
+    expected: FAIL
+
+  [replace on DOMTokenList must enqueue an attributeChanged reaction when replacing a value in an attribute]
+    expected: FAIL
+
+  [add on DOMTokenList must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [the stringifier of DOMTokenList must not enqueue an attributeChanged reaction when mutating the value of an unobserved attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/Document.html.ini b/tests/wpt/metadata/custom-elements/reactions/Document.html.ini
index cf4ac38d747b..c04ea84bf4dd 100644
--- a/tests/wpt/metadata/custom-elements/reactions/Document.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/Document.html.ini
@@ -3,3 +3,6 @@
   [execCommand on Document must enqueue a disconnected reaction when deleting a custom element from a contenteditable element]
     expected: FAIL
 
+  [Custom Elements: CEReactions on Document interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/Element.html.ini b/tests/wpt/metadata/custom-elements/reactions/Element.html.ini
index 89e0c322ef19..c07ed1156855 100644
--- a/tests/wpt/metadata/custom-elements/reactions/Element.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/Element.html.ini
@@ -6,3 +6,120 @@
   [slot on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
     expected: FAIL
 
+  [className on Element must enqueue an attributeChanged reaction when adding class content attribute]
+    expected: FAIL
+
+  [id on Element must enqueue an attributeChanged reaction when adding id content attribute]
+    expected: FAIL
+
+  [removeAttributeNS on Element must not enqueue an attributeChanged reaction when removing an unobserved attribute]
+    expected: FAIL
+
+  [setAttributeNode on Element must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [insertAdjacentHTML on Element must enqueue a attributeChanged reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [removeAttribute on Element must enqueue an attributeChanged reaction when removing an existing attribute]
+    expected: FAIL
+
+  [setAttributeNodeNS on Element must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [removeAttribute on Element must not enqueue an attributeChanged reaction when removing an existing unobserved attribute]
+    expected: FAIL
+
+  [id on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [insertAdjacentHTML on Element must enqueue a connected reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [removeAttributeNode on Element must not enqueue an attributeChanged reaction when removing an unobserved attribute]
+    expected: FAIL
+
+  [removeAttributeNode on Element must enqueue an attributeChanged reaction when removing an existing attribute]
+    expected: FAIL
+
+  [outerHTML on Element must enqueue a attributeChanged reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [innerHTML on Element must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [setAttributeNS on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [setAttribute on Element must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [outerHTML on Element must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [removeAttributeNode on Element must not enqueue an attributeChanged reaction when removing an existing unobserved attribute]
+    expected: FAIL
+
+  [outerHTML on Element must enqueue a connected reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [innerHTML on Element must enqueue a attributeChanged reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [setAttribute on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [setAttributeNode on Element must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [setAttributeNodeNS on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [insertAdjacentElement on Element must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [removeAttribute on Element must not enqueue an attributeChanged reaction when removing an unobserved attribute]
+    expected: FAIL
+
+  [setAttributeNodeNS on Element must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [className on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [removeAttributeNS on Element must enqueue an attributeChanged reaction when removing an existing attribute]
+    expected: FAIL
+
+  [innerHTML on Element must enqueue a connected reaction for a newly constructed custom element]
+    expected: FAIL
+
+  [setAttributeNodeNS on Element must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [removeAttributeNS on Element must not enqueue an attributeChanged reaction when removing an existing unobserved attribute]
+    expected: FAIL
+
+  [insertAdjacentElement on Element must enqueue a connected reaction]
+    expected: FAIL
+
+  [setAttributeNode on Element must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [setAttribute on Element must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [setAttributeNS on Element must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [setAttribute on Element must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [setAttributeNode on Element must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [setAttributeNS on Element must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [setAttributeNS on Element must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLAnchorElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLAnchorElement.html.ini
new file mode 100644
index 000000000000..ed2d31285bbc
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLAnchorElement.html.ini
@@ -0,0 +1,4 @@
+[HTMLAnchorElement.html]
+  [Custom Elements: CEReactions on HTMLAnchorElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLButtonElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLButtonElement.html.ini
new file mode 100644
index 000000000000..dc21abf87a43
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLButtonElement.html.ini
@@ -0,0 +1,61 @@
+[HTMLButtonElement.html]
+  [formMethod on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [formMethod on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [formEnctype on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [formNoValidate on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [formAction on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [value on HTMLButtonElement must enqueue an attributeChanged reaction when adding value content attribute]
+    expected: FAIL
+
+  [type on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [disabled on HTMLButtonElement must enqueue an attributeChanged reaction when adding disabled content attribute]
+    expected: FAIL
+
+  [formTarget on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [disabled on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [formTarget on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [formAction on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [autofocus on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [formNoValidate on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [name on HTMLButtonElement must enqueue an attributeChanged reaction when adding name content attribute]
+    expected: FAIL
+
+  [value on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [formEnctype on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [name on HTMLButtonElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [type on HTMLButtonElement must enqueue an attributeChanged reaction when adding a new attribute]
+    expected: FAIL
+
+  [autofocus on HTMLButtonElement must enqueue an attributeChanged reaction when adding autofocus content attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLElement.html.ini
index 44ad7d81adc5..2b36f6b11fb4 100644
--- a/tests/wpt/metadata/custom-elements/reactions/HTMLElement.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLElement.html.ini
@@ -51,3 +51,21 @@
   [innerText on HTMLElement must enqueue a disconnected reaction]
     expected: FAIL
 
+  [hidden on HTMLElement must enqueue an attributeChanged reaction when adding hidden content attribute]
+    expected: FAIL
+
+  [hidden on HTMLElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [lang on HTMLElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [title on HTMLElement must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [lang on HTMLElement must enqueue an attributeChanged reaction when adding lang content attribute]
+    expected: FAIL
+
+  [title on HTMLElement must enqueue an attributeChanged reaction when adding title content attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLOptionElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLOptionElement.html.ini
new file mode 100644
index 000000000000..112ea4782339
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLOptionElement.html.ini
@@ -0,0 +1,4 @@
+[HTMLOptionElement.html]
+  [Custom Elements: CEReactions on HTMLOptionElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLOptionsCollection.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLOptionsCollection.html.ini
new file mode 100644
index 000000000000..9675ad075b35
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLOptionsCollection.html.ini
@@ -0,0 +1,4 @@
+[HTMLOptionsCollection.html]
+  [Custom Elements: CEReactions on HTMLOptionsCollection interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLOutputElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLOutputElement.html.ini
index b6383331d389..27b3a75a6e9c 100644
--- a/tests/wpt/metadata/custom-elements/reactions/HTMLOutputElement.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLOutputElement.html.ini
@@ -6,3 +6,6 @@
   [defaultValue on HTMLOutputElement must enqueue disconnectedCallback when removing a custom element]
     expected: FAIL
 
+  [Custom Elements: CEReactions on HTMLOutputElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLSelectElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLSelectElement.html.ini
index a7965cea05f1..bd93572e6b1a 100644
--- a/tests/wpt/metadata/custom-elements/reactions/HTMLSelectElement.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLSelectElement.html.ini
@@ -9,3 +9,6 @@
   [add on HTMLSelectElement must enqueue connectedCallback when inserting a custom element]
     expected: FAIL
 
+  [Custom Elements: CEReactions on HTMLSelectElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLTableElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLTableElement.html.ini
index 6a698e897813..9128d24f62e2 100644
--- a/tests/wpt/metadata/custom-elements/reactions/HTMLTableElement.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLTableElement.html.ini
@@ -9,3 +9,6 @@
   [tFoot on HTMLTableElement must enqueue connectedCallback when inserting a custom element]
     expected: FAIL
 
+  [Custom Elements: CEReactions on HTMLTableElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLTableRowElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLTableRowElement.html.ini
new file mode 100644
index 000000000000..a34ff0b1f24e
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLTableRowElement.html.ini
@@ -0,0 +1,4 @@
+[HTMLTableRowElement.html]
+  [Custom Elements: CEReactions on HTMLTableRowElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLTableSectionElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLTableSectionElement.html.ini
new file mode 100644
index 000000000000..2ddc1d519f1a
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLTableSectionElement.html.ini
@@ -0,0 +1,4 @@
+[HTMLTableSectionElement.html]
+  [Custom Elements: CEReactions on HTMLTableSectionElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLTitleElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLTitleElement.html.ini
new file mode 100644
index 000000000000..3dbb2812a35c
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/HTMLTitleElement.html.ini
@@ -0,0 +1,4 @@
+[HTMLTitleElement.html]
+  [Custom Elements: CEReactions on HTMLTitleElement interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/NamedNodeMap.html.ini b/tests/wpt/metadata/custom-elements/reactions/NamedNodeMap.html.ini
new file mode 100644
index 000000000000..c6b12ecd4b00
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/NamedNodeMap.html.ini
@@ -0,0 +1,43 @@
+[NamedNodeMap.html]
+  [removeNamedItem on NamedNodeMap must not enqueue an attributeChanged reaction when removing an existing unobserved attribute]
+    expected: FAIL
+
+  [removeNamedItemNS on NamedNodeMap must enqueue an attributeChanged reaction when removing an existing attribute]
+    expected: FAIL
+
+  [setNamedItemNS on NamedNodeMap must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [removeNamedItem on NamedNodeMap must enqueue an attributeChanged reaction when removing an existing attribute]
+    expected: FAIL
+
+  [setNamedItemNS on NamedNodeMap must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [removeNamedItemNS on NamedNodeMap must not enqueue an attributeChanged reaction when removing an unobserved attribute]
+    expected: FAIL
+
+  [setNamedItem on NamedNodeMap must enqueue an attributeChanged reaction when adding an attribute]
+    expected: FAIL
+
+  [setNamedItem on NamedNodeMap must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [removeNamedItem on NamedNodeMap must not enqueue an attributeChanged reaction when removing an unobserved attribute]
+    expected: FAIL
+
+  [setNamedItemNS on NamedNodeMap must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [setNamedItem on NamedNodeMap must enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [removeNamedItemNS on NamedNodeMap must not enqueue an attributeChanged reaction when removing an existing unobserved attribute]
+    expected: FAIL
+
+  [setNamedItemNS on NamedNodeMap must not enqueue an attributeChanged reaction when adding an unobserved attribute]
+    expected: FAIL
+
+  [setNamedItem on NamedNodeMap must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/Node.html.ini b/tests/wpt/metadata/custom-elements/reactions/Node.html.ini
new file mode 100644
index 000000000000..601edd66abe7
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/Node.html.ini
@@ -0,0 +1,43 @@
+[Node.html]
+  [removeChild on ChildNode must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [cloneNode on Node must enqueue an attributeChanged reaction when cloning an element with an observed attribute]
+    expected: FAIL
+
+  [replaceChild on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [nodeValue on Node must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [cloneNode on Node must not enqueue an attributeChanged reaction when cloning an element with an unobserved attribute]
+    expected: FAIL
+
+  [cloneNode on Node must enqueue an attributeChanged reaction when cloning an element only for observed attributes]
+    expected: FAIL
+
+  [appendChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [insertBefore on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [insertBefore on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [appendChild on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [textContent on Node must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
+  [textContent on Node must enqueue an attributeChanged reaction when replacing an existing attribute]
+    expected: FAIL
+
+  [replaceChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [nodeValue on Node must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/ParentNode.html.ini b/tests/wpt/metadata/custom-elements/reactions/ParentNode.html.ini
new file mode 100644
index 000000000000..0b869d22d0bc
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/ParentNode.html.ini
@@ -0,0 +1,13 @@
+[ParentNode.html]
+  [prepend on ParentNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [prepend on ParentNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [append on ParentNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [append on ParentNode must enqueue a connected reaction]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/Range.html.ini b/tests/wpt/metadata/custom-elements/reactions/Range.html.ini
index a5696b0e0fed..3e3df7352ff2 100644
--- a/tests/wpt/metadata/custom-elements/reactions/Range.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/Range.html.ini
@@ -3,3 +3,30 @@
   [createContextualFragment on Range must construct a custom element]
     expected: FAIL
 
+  [cloneContents on Range must enqueue an attributeChanged reaction when cloning an element only for observed attributes]
+    expected: FAIL
+
+  [cloneContents on Range must not enqueue an attributeChanged reaction when cloning an element with an unobserved attribute]
+    expected: FAIL
+
+  [deleteContents on Range must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [extractContents on Range must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [insertNode on Range must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [cloneContents on Range must enqueue an attributeChanged reaction when cloning an element with an observed attribute]
+    expected: FAIL
+
+  [surroundContents on Range must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [surroundContents on Range must enqueue a connected reaction]
+    expected: FAIL
+
+  [insertNode on Range must enqueue a connected reaction]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/ShadowRoot.html.ini b/tests/wpt/metadata/custom-elements/reactions/ShadowRoot.html.ini
index 49b5a34b7479..93b7bc14cf23 100644
--- a/tests/wpt/metadata/custom-elements/reactions/ShadowRoot.html.ini
+++ b/tests/wpt/metadata/custom-elements/reactions/ShadowRoot.html.ini
@@ -9,3 +9,6 @@
   [innerHTML on ShadowRoot must enqueue disconnectedCallback when removing a custom element]
     expected: FAIL
 
+  [Custom Elements: CEReactions on ShadowRoot interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/reactions/with-exceptions.html.ini b/tests/wpt/metadata/custom-elements/reactions/with-exceptions.html.ini
new file mode 100644
index 000000000000..d77a29dbde77
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/reactions/with-exceptions.html.ini
@@ -0,0 +1,4 @@
+[with-exceptions.html]
+  [Custom Elements: CEReactions interaction with exceptions]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/upgrading.html.ini b/tests/wpt/metadata/custom-elements/upgrading.html.ini
new file mode 100644
index 000000000000..fba508210d6c
--- /dev/null
+++ b/tests/wpt/metadata/custom-elements/upgrading.html.ini
@@ -0,0 +1,4 @@
+[upgrading.html]
+  [Custom Elements: Enqueue a custom element upgrade reaction]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/custom-elements/upgrading/Document-importNode.html.ini b/tests/wpt/metadata/custom-elements/upgrading/Document-importNode.html.ini
index b5449201d152..589b0d6ff32d 100644
--- a/tests/wpt/metadata/custom-elements/upgrading/Document-importNode.html.ini
+++ b/tests/wpt/metadata/custom-elements/upgrading/Document-importNode.html.ini
@@ -2,3 +2,6 @@
   [built-in: document.importNode() should import "undefined" custom elements successfully]
     expected: FAIL
 
+  [Document-importNode]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
index b0ddb3495575..32626f90fad2 100644
--- a/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
+++ b/tests/wpt/metadata/encoding/single-byte-decoder.html.ini
@@ -2,7 +2,7 @@
   type: testharness
 
 [single-byte-decoder.html?document]
-  expected: TIMEOUT
+  expected: CRASH
   [windows-1254: iso_8859-9 (document.characterSet and document.inputEncoding)]
     expected: FAIL
 
@@ -509,6 +509,7 @@
 
 
 [single-byte-decoder.html?XMLHttpRequest]
+  expected: CRASH
   [ISO-8859-2: iso_8859-2:1987 (XMLHttpRequest)]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/fetch/api/request/request-cache-default-conditional.html.ini b/tests/wpt/metadata/fetch/api/request/request-cache-default-conditional.html.ini
new file mode 100644
index 000000000000..fa136385f8a8
--- /dev/null
+++ b/tests/wpt/metadata/fetch/api/request/request-cache-default-conditional.html.ini
@@ -0,0 +1,17 @@
+[request-cache-default-conditional.html]
+  expected: TIMEOUT
+  [RequestCache "default" mode with an If-Range header is treated similarly to "no-store" with Etag and stale response]
+    expected: NOTRUN
+
+  [RequestCache "default" mode with an If-Range header is treated similarly to "no-store" with Etag and fresh response]
+    expected: NOTRUN
+
+  [RequestCache "default" mode with an If-Range header (following a request without additional headers) is treated similarly to "no-store" with Last-Modified and fresh response]
+    expected: TIMEOUT
+
+  [RequestCache "default" mode with an If-Range header is treated similarly to "no-store" with Last-Modified and fresh response]
+    expected: NOTRUN
+
+  [RequestCache "default" mode with an If-Range header is treated similarly to "no-store" with Last-Modified and stale response]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
new file mode 100644
index 000000000000..e1775377b641
--- /dev/null
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -0,0 +1,314 @@
+[response.window.html]
+  expected: TIMEOUT
+  [fetch(): combined response Content-Type: text/plain ]
+    expected: TIMEOUT
+
+  [Response: combined response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: */* text/html]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;" \\" text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html */*]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: */* text/html]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;" text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/plain */*;charset=gbk]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/html;x=" text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/plain;charset=gbk text/html]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html */*]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type:  text/plain]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain;charset=gbk text/html]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html;x=" text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html */*]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html text/plain]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: */* text/html]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html */*;charset=gbk]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain ]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/plain;charset=gbk text/plain]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html text/plain]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain */*]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/plain;charset=gbk text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type:  text/plain]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/plain;charset=gbk text/html]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html;" text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/plain ]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/plain;charset=gbk text/plain]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/html;" \\" text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;x=" text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain */*]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html */*;charset=gbk]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain;charset=gbk text/plain]
+    expected: FAIL
+
+  [Response: combined response Content-Type:  text/plain]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/html */*]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;" \\" text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html */*;charset=gbk]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html;" text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/html;" " text/plain]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html;" " text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: FAIL
+
+  [Response: combined response Content-Type: text/html;x=" text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/plain;charset=gbk text/plain]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type:  text/plain]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/plain ]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html text/plain]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type:  text/plain]
+    expected: FAIL
+
+  [Response: combined response Content-Type: */* text/html]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/html;" " text/plain]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/plain */*;charset=gbk]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/html text/plain]
+    expected: FAIL
+
+  [Response: combined response Content-Type: text/html;" \\" text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain;charset=gbk text/html]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type:  text/plain]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/plain */*]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: FAIL
+
+  [Request: combined response Content-Type: text/plain ]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html */*;charset=gbk]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;" " text/plain]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain ]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/plain */*]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/plain */*;charset=gbk]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/plain;charset=gbk text/html;charset=windows-1254]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/plain */*;charset=gbk]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/plain;charset=gbk;x=foo text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/plain;charset=gbk text/plain]
+    expected: NOTRUN
+
+  [<iframe>: combined response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [fetch(): separate response Content-Type: text/html text/plain]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;" text/plain]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: FAIL
+
+  [fetch(): combined response Content-Type: text/html;" " text/plain]
+    expected: NOTRUN
+
+  [fetch(): separate response Content-Type: text/html;" " text/plain]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain;charset=gbk text/plain;charset=windows-1252]
+    expected: FAIL
+
+  [Response: combined response Content-Type: text/plain */*;charset=gbk]
+    expected: NOTRUN
+
+  [Request: combined response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: NOTRUN
+
+  [fetch(): combined response Content-Type: text/html;charset=gbk text/html;x=",text/plain]
+    expected: NOTRUN
+
+  [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
+    expected: NOTRUN
+
+  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
new file mode 100644
index 000000000000..1cac78a466b8
--- /dev/null
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -0,0 +1,70 @@
+[script.window.html]
+  [separate text/javascript;charset=windows-1252 x/x text/javascript]
+    expected: FAIL
+
+  [combined text/javascript;" x/x]
+    expected: FAIL
+
+  [combined x/x;charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [combined text/javascript;charset=windows-1252;" \\" x/x]
+    expected: FAIL
+
+  [separate x/x text/javascript]
+    expected: FAIL
+
+  [combined x/x;" x/y;\\" text/javascript;charset=windows-1252;" text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;charset=windows-1252 error text/javascript]
+    expected: FAIL
+
+  [combined x/x text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;charset=windows-1252;" \\" x/x]
+    expected: FAIL
+
+  [combined text/javascript error]
+    expected: FAIL
+
+  [combined text/javascript;charset=windows-1252 error text/javascript]
+    expected: FAIL
+
+  [combined text/javascript;charset=windows-1252  text/javascript]
+    expected: FAIL
+
+  [separate x/x;charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [separate text/javascript error]
+    expected: FAIL
+
+  [separate text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [combined text/javascript;charset=windows-1252 x/x text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;charset=windows-1252  text/javascript]
+    expected: FAIL
+
+  [separate x/x;" x/y;\\" text/javascript;charset=windows-1252;" text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;";charset=windows-1252]
+    expected: FAIL
+
+  [combined text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
+  [separate text/javascript;" x/x]
+    expected: FAIL
+
+  [separate text/javascript ]
+    expected: FAIL
+
+  [combined text/javascript ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
new file mode 100644
index 000000000000..87b07c3e6704
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
new file mode 100644
index 000000000000..51f8272a6def
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_3.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 000000000000..385376c7321e
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
new file mode 100644
index 000000000000..dc2e45516deb
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_5.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/origin/relaxing-the-same-origin-restriction/document_domain_feature_policy.tentative.sub.html.ini b/tests/wpt/metadata/html/browsers/origin/relaxing-the-same-origin-restriction/document_domain_feature_policy.tentative.sub.html.ini
index 264236d3381f..310f1af3ccfd 100644
--- a/tests/wpt/metadata/html/browsers/origin/relaxing-the-same-origin-restriction/document_domain_feature_policy.tentative.sub.html.ini
+++ b/tests/wpt/metadata/html/browsers/origin/relaxing-the-same-origin-restriction/document_domain_feature_policy.tentative.sub.html.ini
@@ -1,5 +1,5 @@
 [document_domain_feature_policy.tentative.sub.html]
-  expected: ERROR
+  expected: TIMEOUT
   [Default "document-domain" feature policy ["*"\] allows cross-origin iframes.]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/event_timeupdate_noautoplay.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/event_timeupdate_noautoplay.html.ini
index 22d1f1d6900d..a6f7ac6f2491 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/event_timeupdate_noautoplay.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/event_timeupdate_noautoplay.html.ini
@@ -5,5 +5,5 @@
     expected: NOTRUN
 
   [calling play() on a sufficiently long video should trigger timeupdate event]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html.ini
new file mode 100644
index 000000000000..df295ed9fcde
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html.ini
@@ -0,0 +1,5 @@
+[autoplay-hidden.optional.html]
+  expected: TIMEOUT
+  [Allow delaying autoplay until video elements become visible]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/environment-changes/viewport-change.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/environment-changes/viewport-change.html.ini
index 29b0025a2aef..8c50bd0c2591 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/environment-changes/viewport-change.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/environment-changes/viewport-change.html.ini
@@ -2,10 +2,10 @@
   type: testharness
   expected: TIMEOUT
   [picture: source (max-width:500px) broken image, img valid image, resize to wide]
-    expected: TIMEOUT
+    expected: FAIL
 
   [picture: source (max-width:500px) valid image, img valid image, resize to wide]
-    expected: TIMEOUT
+    expected: FAIL
 
   [picture: source (max-width:500px) valid image, img broken image, resize to narrow]
     expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/122.html.ini b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/122.html.ini
new file mode 100644
index 000000000000..6332496fd4b6
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/scripting-1/the-script-element/execution-timing/122.html.ini
@@ -0,0 +1,4 @@
+[122.html]
+  [scheduler: altering the type attribute and adding/removing external script ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
new file mode 100644
index 000000000000..6cf9d13975c8
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html.ini
@@ -0,0 +1,4 @@
+[iframe_005.html]
+  [document.write external script into iframe write back into parent]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/performance-timeline/webtiming-resolution.any.js.ini b/tests/wpt/metadata/performance-timeline/webtiming-resolution.any.js.ini
index 99a24216c88b..7725b118e9d9 100644
--- a/tests/wpt/metadata/performance-timeline/webtiming-resolution.any.js.ini
+++ b/tests/wpt/metadata/performance-timeline/webtiming-resolution.any.js.ini
@@ -12,3 +12,6 @@
   [Verifies the resolution of entry.startTime is at least 5 microseconds.]
     expected: TIMEOUT
 
+  [Verifies the resolution of performance.now() is at least 5 microseconds.]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/quirks/unitless-length/limited-quirks.html.ini b/tests/wpt/metadata/quirks/unitless-length/limited-quirks.html.ini
new file mode 100644
index 000000000000..c7e9c7434f56
--- /dev/null
+++ b/tests/wpt/metadata/quirks/unitless-length/limited-quirks.html.ini
@@ -0,0 +1,283 @@
+[limited-quirks.html]
+  [top: -\\31 .5]
+    expected: FAIL
+
+  [bottom: -1A]
+    expected: FAIL
+
+  [bottom: -1a]
+    expected: FAIL
+
+  [top: @1]
+    expected: FAIL
+
+  [top: "1a"]
+    expected: FAIL
+
+  [top: @a]
+    expected: FAIL
+
+  [bottom: "1"]
+    expected: FAIL
+
+  [bottom: -/**/1]
+    expected: FAIL
+
+  [top: +/**/1]
+    expected: FAIL
+
+  [bottom: @1a]
+    expected: FAIL
+
+  [top: 1\\31 ]
+    expected: FAIL
+
+  [top: url('1')]
+    expected: FAIL
+
+  [bottom: -\\31 ]
+    expected: FAIL
+
+  [top: calc(1)]
+    expected: FAIL
+
+  [top: \\31 ]
+    expected: FAIL
+
+  [bottom: +1\\31 ]
+    expected: FAIL
+
+  [bottom: 1\\31 .5]
+    expected: FAIL
+
+  [bottom: #0001]
+    expected: FAIL
+
+  [top: calc(2 * 2px)]
+    expected: FAIL
+
+  [bottom: 1a]
+    expected: FAIL
+
+  [bottom: A]
+    expected: FAIL
+
+  [bottom: #01]
+    expected: FAIL
+
+  [top: +\\31 .5]
+    expected: FAIL
+
+  [bottom: #1]
+    expected: FAIL
+
+  [top: -/**/1]
+    expected: FAIL
+
+  [bottom: +\\31 .5]
+    expected: FAIL
+
+  [bottom: \\31 ]
+    expected: FAIL
+
+  [bottom: calc(1)]
+    expected: FAIL
+
+  [top: #001]
+    expected: FAIL
+
+  [top: +\\31 ]
+    expected: FAIL
+
+  [bottom: +\\31 ]
+    expected: FAIL
+
+  [top: +1.5]
+    expected: FAIL
+
+  [top: +1\\31 ]
+    expected: FAIL
+
+  [bottom: @a]
+    expected: FAIL
+
+  [bottom: @1]
+    expected: FAIL
+
+  [top: #1]
+    expected: FAIL
+
+  [top: 1a]
+    expected: FAIL
+
+  [bottom: +1a]
+    expected: FAIL
+
+  [bottom: +1A]
+    expected: FAIL
+
+  [bottom: "a"]
+    expected: FAIL
+
+  [top: #00001]
+    expected: FAIL
+
+  [bottom: -1\\31 .5]
+    expected: FAIL
+
+  [top: "1"]
+    expected: FAIL
+
+  [bottom: 1.5]
+    expected: FAIL
+
+  [bottom: -\\31 .5]
+    expected: FAIL
+
+  [bottom: url('1')]
+    expected: FAIL
+
+  [bottom: -1.5]
+    expected: FAIL
+
+  [top: \\31 .5]
+    expected: FAIL
+
+  [bottom: "1a"]
+    expected: FAIL
+
+  [bottom: calc(2 * 2px)]
+    expected: FAIL
+
+  [bottom: +1\\31 .5]
+    expected: FAIL
+
+  [bottom: 1\\31 ]
+    expected: FAIL
+
+  [bottom: +/**/1]
+    expected: FAIL
+
+  [bottom: #00001]
+    expected: FAIL
+
+  [top: url(1)]
+    expected: FAIL
+
+  [bottom: #001]
+    expected: FAIL
+
+  [top: +1\\31 .5]
+    expected: FAIL
+
+  [top: -1a]
+    expected: FAIL
+
+  [top: -1A]
+    expected: FAIL
+
+  [bottom: url(1)]
+    expected: FAIL
+
+  [top: a]
+    expected: FAIL
+
+  [top: A]
+    expected: FAIL
+
+  [top: #000001]
+    expected: FAIL
+
+  [top: 1]
+    expected: FAIL
+
+  [top: 1\\31 .5]
+    expected: FAIL
+
+  [bottom: a]
+    expected: FAIL
+
+  [bottom: 1]
+    expected: FAIL
+
+  [bottom: +1]
+    expected: FAIL
+
+  [bottom: #000001]
+    expected: FAIL
+
+  [bottom: +a]
+    expected: FAIL
+
+  [bottom: +A]
+    expected: FAIL
+
+  [top: 1.5]
+    expected: FAIL
+
+  [top: +A]
+    expected: FAIL
+
+  [top: +a]
+    expected: FAIL
+
+  [top: +1]
+    expected: FAIL
+
+  [top: -1.5]
+    expected: FAIL
+
+  [top: -1\\31 .5]
+    expected: FAIL
+
+  [top: +1a]
+    expected: FAIL
+
+  [top: +1A]
+    expected: FAIL
+
+  [top: @1a]
+    expected: FAIL
+
+  [bottom: \\31 .5]
+    expected: FAIL
+
+  [top: "a"]
+    expected: FAIL
+
+  [top: #01]
+    expected: FAIL
+
+  [bottom: +1.5]
+    expected: FAIL
+
+  [bottom: -A]
+    expected: FAIL
+
+  [bottom: -a]
+    expected: FAIL
+
+  [bottom: -1\\31 ]
+    expected: FAIL
+
+  [top: #0001]
+    expected: FAIL
+
+  [bottom: -1]
+    expected: FAIL
+
+  [top: -\\31 ]
+    expected: FAIL
+
+  [top: -A]
+    expected: FAIL
+
+  [top: -a]
+    expected: FAIL
+
+  [top: -1]
+    expected: FAIL
+
+  [top: -1\\31 ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/quirks/unitless-length/quirks.html.ini b/tests/wpt/metadata/quirks/unitless-length/quirks.html.ini
new file mode 100644
index 000000000000..2ed601c6ff44
--- /dev/null
+++ b/tests/wpt/metadata/quirks/unitless-length/quirks.html.ini
@@ -0,0 +1,283 @@
+[quirks.html]
+  [top: -\\31 .5]
+    expected: FAIL
+
+  [bottom: -1A]
+    expected: FAIL
+
+  [bottom: -1a]
+    expected: FAIL
+
+  [top: @1]
+    expected: FAIL
+
+  [top: "1a"]
+    expected: FAIL
+
+  [top: @a]
+    expected: FAIL
+
+  [bottom: "1"]
+    expected: FAIL
+
+  [bottom: -/**/1]
+    expected: FAIL
+
+  [top: +/**/1]
+    expected: FAIL
+
+  [bottom: @1a]
+    expected: FAIL
+
+  [top: 1\\31 ]
+    expected: FAIL
+
+  [top: url('1')]
+    expected: FAIL
+
+  [bottom: -\\31 ]
+    expected: FAIL
+
+  [top: calc(1)]
+    expected: FAIL
+
+  [top: \\31 ]
+    expected: FAIL
+
+  [bottom: +1\\31 ]
+    expected: FAIL
+
+  [bottom: 1\\31 .5]
+    expected: FAIL
+
+  [bottom: #0001]
+    expected: FAIL
+
+  [top: calc(2 * 2px)]
+    expected: FAIL
+
+  [bottom: 1a]
+    expected: FAIL
+
+  [bottom: A]
+    expected: FAIL
+
+  [bottom: #01]
+    expected: FAIL
+
+  [top: +\\31 .5]
+    expected: FAIL
+
+  [bottom: #1]
+    expected: FAIL
+
+  [top: -/**/1]
+    expected: FAIL
+
+  [bottom: +\\31 .5]
+    expected: FAIL
+
+  [bottom: \\31 ]
+    expected: FAIL
+
+  [bottom: calc(1)]
+    expected: FAIL
+
+  [top: #001]
+    expected: FAIL
+
+  [top: +\\31 ]
+    expected: FAIL
+
+  [bottom: +\\31 ]
+    expected: FAIL
+
+  [top: +1.5]
+    expected: FAIL
+
+  [top: +1\\31 ]
+    expected: FAIL
+
+  [bottom: @a]
+    expected: FAIL
+
+  [bottom: @1]
+    expected: FAIL
+
+  [top: #1]
+    expected: FAIL
+
+  [top: 1a]
+    expected: FAIL
+
+  [bottom: +1a]
+    expected: FAIL
+
+  [bottom: +1A]
+    expected: FAIL
+
+  [bottom: "a"]
+    expected: FAIL
+
+  [top: #00001]
+    expected: FAIL
+
+  [bottom: -1\\31 .5]
+    expected: FAIL
+
+  [top: "1"]
+    expected: FAIL
+
+  [bottom: 1.5]
+    expected: FAIL
+
+  [bottom: -\\31 .5]
+    expected: FAIL
+
+  [bottom: url('1')]
+    expected: FAIL
+
+  [bottom: -1.5]
+    expected: FAIL
+
+  [top: \\31 .5]
+    expected: FAIL
+
+  [bottom: "1a"]
+    expected: FAIL
+
+  [bottom: calc(2 * 2px)]
+    expected: FAIL
+
+  [bottom: +1\\31 .5]
+    expected: FAIL
+
+  [bottom: 1\\31 ]
+    expected: FAIL
+
+  [bottom: +/**/1]
+    expected: FAIL
+
+  [bottom: #00001]
+    expected: FAIL
+
+  [top: url(1)]
+    expected: FAIL
+
+  [bottom: #001]
+    expected: FAIL
+
+  [top: +1\\31 .5]
+    expected: FAIL
+
+  [top: -1a]
+    expected: FAIL
+
+  [top: -1A]
+    expected: FAIL
+
+  [bottom: url(1)]
+    expected: FAIL
+
+  [top: a]
+    expected: FAIL
+
+  [top: A]
+    expected: FAIL
+
+  [top: #000001]
+    expected: FAIL
+
+  [top: 1]
+    expected: FAIL
+
+  [top: 1\\31 .5]
+    expected: FAIL
+
+  [bottom: a]
+    expected: FAIL
+
+  [bottom: 1]
+    expected: FAIL
+
+  [bottom: +1]
+    expected: FAIL
+
+  [bottom: #000001]
+    expected: FAIL
+
+  [bottom: +a]
+    expected: FAIL
+
+  [bottom: +A]
+    expected: FAIL
+
+  [top: 1.5]
+    expected: FAIL
+
+  [top: +A]
+    expected: FAIL
+
+  [top: +a]
+    expected: FAIL
+
+  [top: +1]
+    expected: FAIL
+
+  [top: -1.5]
+    expected: FAIL
+
+  [top: -1\\31 .5]
+    expected: FAIL
+
+  [top: +1a]
+    expected: FAIL
+
+  [top: +1A]
+    expected: FAIL
+
+  [top: @1a]
+    expected: FAIL
+
+  [bottom: \\31 .5]
+    expected: FAIL
+
+  [top: "a"]
+    expected: FAIL
+
+  [top: #01]
+    expected: FAIL
+
+  [bottom: +1.5]
+    expected: FAIL
+
+  [bottom: -A]
+    expected: FAIL
+
+  [bottom: -a]
+    expected: FAIL
+
+  [bottom: -1\\31 ]
+    expected: FAIL
+
+  [top: #0001]
+    expected: FAIL
+
+  [bottom: -1]
+    expected: FAIL
+
+  [top: -\\31 ]
+    expected: FAIL
+
+  [top: -A]
+    expected: FAIL
+
+  [top: -a]
+    expected: FAIL
+
+  [top: -1]
+    expected: FAIL
+
+  [top: -1\\31 ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..59d59e4c18e8
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..e864e59d8a9f
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..d62537ae7908
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..6ca288b75dc4
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..e6f1c8e899d3
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is omitted when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..306c72ceb577
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is omitted when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..abdbfab971de
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is omitted when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..905c786b1218
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is omitted when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..4de69d375dfe
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..bfd0357d8645
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..25848a3e596f
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..a465665953b0
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..7b2ef3e33202
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..7b87ae84b2c5
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..371c88ac2cfd
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..b51ee27ff238
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..4de69d375dfe
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..bfd0357d8645
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..25848a3e596f
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
new file mode 100644
index 000000000000..a465665953b0
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-origin-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini
new file mode 100644
index 000000000000..3de81abd12bd
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini
new file mode 100644
index 000000000000..be9e4d965092
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini
new file mode 100644
index 000000000000..d65bba2d95b2
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini
new file mode 100644
index 000000000000..c0e517a9ea90
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.ini
@@ -0,0 +1,5 @@
+[same-insecure.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..a216d8f97be1
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..f535713360a8
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..c2592b6f841f
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini b/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
new file mode 100644
index 000000000000..b8b017e387f0
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.ini
@@ -0,0 +1,5 @@
+[insecure-protocol.http.html]
+  expected: ERROR
+  [The referrer URL is origin when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..4bd973d40d3e
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..f370b4ff2147
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the http-rp\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..12010fa637eb
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with keep-origin-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini b/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
new file mode 100644
index 000000000000..fa2b694c2c81
--- /dev/null
+++ b/tests/wpt/metadata/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html.ini
@@ -0,0 +1,5 @@
+[generic.http.html]
+  expected: ERROR
+  [The referrer URL is stripped-referrer when a\n                                 document served over http requires an http\n                                 sub-resource via shared-worker using the meta-referrer\n                                 delivery method with no-redirect and when\n                                 the target request is same-origin.]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-add-after-full-event.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-add-after-full-event.html.ini
new file mode 100644
index 000000000000..8f8c89cb287e
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-add-after-full-event.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-add-after-full-event.html]
+  expected: ERROR
+  [Test that entry was added to the buffer after a buffer full event]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback-that-drop.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback-that-drop.html.ini
new file mode 100644
index 000000000000..c5f760f9e175
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback-that-drop.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-add-entries-during-callback-that-drop.html]
+  expected: ERROR
+  [Test that entries synchronously added to the buffer during the callback are dropped]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback.html.ini
new file mode 100644
index 000000000000..9276e6bcf816
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-add-entries-during-callback.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-add-entries-during-callback.html]
+  expected: ERROR
+  [Test that entries synchronously added to the buffer during the callback don't get dropped if the buffer is increased]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-add-then-clear.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-add-then-clear.html.ini
new file mode 100644
index 000000000000..cfe4645b5206
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-add-then-clear.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-add-then-clear.html]
+  expected: ERROR
+  [Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-decrease-buffer-during-callback.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-decrease-buffer-during-callback.html.ini
new file mode 100644
index 000000000000..a46a6cf5af28
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-decrease-buffer-during-callback.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-decrease-buffer-during-callback.html]
+  expected: ERROR
+  [Test that decreasing the buffer limit during the callback does not drop entries]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-increase-buffer-during-callback.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-increase-buffer-during-callback.html.ini
new file mode 100644
index 000000000000..76b463b4748c
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-increase-buffer-during-callback.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-increase-buffer-during-callback.html]
+  expected: ERROR
+  [Test that increasing the buffer during the callback is enough for entries not to be dropped]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-inspect-buffer-during-callback.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-inspect-buffer-during-callback.html.ini
new file mode 100644
index 000000000000..5e81c821fbfb
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-inspect-buffer-during-callback.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-inspect-buffer-during-callback.html]
+  expected: ERROR
+  [Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-set-to-current-buffer.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-set-to-current-buffer.html.ini
new file mode 100644
index 000000000000..82671979e5ab
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-set-to-current-buffer.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-set-to-current-buffer.html]
+  expected: ERROR
+  [Test that entries added and event firing happened in the right sequence]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-store-and-clear-during-callback.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-store-and-clear-during-callback.html.ini
new file mode 100644
index 000000000000..4f9df99fc13c
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-store-and-clear-during-callback.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-store-and-clear-during-callback.html]
+  expected: ERROR
+  [Test that entries overflowing the buffer trigger the buffer full event, can be stored, and find themselves in the primary buffer after it's cleared.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-then-increased.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-then-increased.html.ini
new file mode 100644
index 000000000000..7ca75fa2d854
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-then-increased.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-then-increased.html]
+  expected: ERROR
+  [Test that overflowing the buffer and immediately increasing its limit does not trigger the resourcetimingbufferfull event]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/buffer-full-when-populate-entries.html.ini b/tests/wpt/metadata/resource-timing/buffer-full-when-populate-entries.html.ini
new file mode 100644
index 000000000000..95f7d2b5ea15
--- /dev/null
+++ b/tests/wpt/metadata/resource-timing/buffer-full-when-populate-entries.html.ini
@@ -0,0 +1,5 @@
+[buffer-full-when-populate-entries.html]
+  expected: ERROR
+  [Test that a buffer full event does not bubble and that resourcetimingbufferfull is called only once per overflow]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/resource-timing/resource_timing.worker.js.ini b/tests/wpt/metadata/resource-timing/resource_timing.worker.js.ini
index a6c5cb163dab..58f85400e7db 100644
--- a/tests/wpt/metadata/resource-timing/resource_timing.worker.js.ini
+++ b/tests/wpt/metadata/resource-timing/resource_timing.worker.js.ini
@@ -2,3 +2,6 @@
   [Performance Resouce Entries in workers]
     expected: FAIL
 
+  [Performance Resource Entries in workers]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/resource-timing/resource_timing_buffer_full_eventually.html.ini b/tests/wpt/metadata/resource-timing/resource_timing_buffer_full_eventually.html.ini
index def9fbcf7d00..aa1d99e96046 100644
--- a/tests/wpt/metadata/resource-timing/resource_timing_buffer_full_eventually.html.ini
+++ b/tests/wpt/metadata/resource-timing/resource_timing_buffer_full_eventually.html.ini
@@ -1,5 +1,5 @@
 [resource_timing_buffer_full_eventually.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Finite resource timing entries buffer size]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/uievents/idlharness.window.js.ini b/tests/wpt/metadata/uievents/idlharness.window.js.ini
index eca84e808f4a..ce3602388c90 100644
--- a/tests/wpt/metadata/uievents/idlharness.window.js.ini
+++ b/tests/wpt/metadata/uievents/idlharness.window.js.ini
@@ -194,3 +194,9 @@
   [CompositionEvent interface object length]
     expected: FAIL
 
+  [InputEvent interface: new InputEvent("event") must inherit property "inputType" with the proper type]
+    expected: FAIL
+
+  [InputEvent interface: attribute inputType]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/xhr/overridemimetype-blob.html.ini b/tests/wpt/metadata/xhr/overridemimetype-blob.html.ini
index e6daede70e37..ed30fdf88bb5 100644
--- a/tests/wpt/metadata/xhr/overridemimetype-blob.html.ini
+++ b/tests/wpt/metadata/xhr/overridemimetype-blob.html.ini
@@ -378,3 +378,27 @@
   [39) MIME types need to be parsed and serialized: text/html;0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789=x;charset=gbk]
     expected: FAIL
 
+  [65) MIME types need to be parsed and serialized: ÿ/ÿ]
+    expected: FAIL
+
+  [51) MIME types need to be parsed and serialized: x/x;test=�;x=x]
+    expected: FAIL
+
+  [70) MIME types need to be parsed and serialized: text/ html]
+    expected: FAIL
+
+  [68) MIME types need to be parsed and serialized: Ā/Ā]
+    expected: FAIL
+
+  [50) MIME types need to be parsed and serialized: text/html;test=ÿ;charset=gbk]
+    expected: FAIL
+
+  [42) MIME types need to be parsed and serialized: x/x;x="\t !\\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"]
+    expected: FAIL
+
+  [69) MIME types need to be parsed and serialized: text /html]
+    expected: FAIL
+
+  [71) MIME types need to be parsed and serialized: "text/html"]
+    expected: FAIL
+
diff --git a/tests/wpt/web-platform-tests/.azure-pipelines.yml b/tests/wpt/web-platform-tests/.azure-pipelines.yml
index 6996e7e68587..bf4d16d1f263 100644
--- a/tests/wpt/web-platform-tests/.azure-pipelines.yml
+++ b/tests/wpt/web-platform-tests/.azure-pipelines.yml
@@ -49,7 +49,7 @@ jobs:
     displayName: 'Run tests (Chrome Dev)'
   - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --channel=nightly firefox infrastructure/
     displayName: 'Run tests (Firefox Nightly)'
-  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --channel=preview safari_webdriver infrastructure/
+  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --channel=preview safari infrastructure/
     displayName: 'Run tests (Safari Technology Preview)'
 
 - job: tools_unittest_macOS
diff --git a/tests/wpt/web-platform-tests/FileAPI/url/sandboxed-iframe.html b/tests/wpt/web-platform-tests/FileAPI/url/sandboxed-iframe.html
index 3eca08da8a43..9a1aa9fb7af9 100644
--- a/tests/wpt/web-platform-tests/FileAPI/url/sandboxed-iframe.html
+++ b/tests/wpt/web-platform-tests/FileAPI/url/sandboxed-iframe.html
@@ -11,9 +11,9 @@
 const iframe_scripts = [
   'resources/fetch-tests.js',
   'url-format.any.js',
+  'url-in-tags.window.js',
   'url-with-xhr.any.js',
   'url-with-fetch.any.js',
-  'url-with-tags.window.js',
 ];
 
 let html = '<!doctype html>\n<meta charset="utf-8">\n<body>\n';
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index2.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index2.htm
index 8df0af0d2335..77b812e180a6 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index2.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index2.htm
@@ -10,7 +10,7 @@
 <script>
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
                   { pKey: "primaryKey_1", iKey: "indexKey_1" } ];
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index3.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index3.htm
index ca5e0da8eaef..b41427f960ad 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index3.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index3.htm
@@ -10,7 +10,7 @@
 <script type="text/javascript">
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
                   { pKey: "primaryKey_1", iKey: "indexKey_1" } ];
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index5.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index5.htm
index a9b9977d0e68..88b4ed88919e 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index5.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_advance_index5.htm
@@ -11,7 +11,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0",   iKey: "indexKey_0" },
                   { pKey: "primaryKey_1",   iKey: "indexKey_1" },
                   { pKey: "primaryKey_1-2", iKey: "indexKey_1" } ],
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index5.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index5.htm
index 20db8d0d8330..101d5db81746 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index5.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index5.htm
@@ -11,7 +11,7 @@
 <script>
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0",   iKey: "indexKey_0" },
                   { pKey: "primaryKey_1",   iKey: "indexKey_1" },
                   { pKey: "primaryKey_1-2", iKey: "indexKey_1" },
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index6.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index6.htm
index 9182b02f1492..0040ca72137e 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index6.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_index6.htm
@@ -11,7 +11,7 @@
 <script>
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0",   iKey: "indexKey_0" },
                   { pKey: "primaryKey_1",   iKey: "indexKey_1" },
                   { pKey: "primaryKey_1-2", iKey: "indexKey_1" },
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_invalid.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_invalid.htm
index 9b4d7b70bb67..bd22cfecf9a9 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_invalid.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_continue_invalid.htm
@@ -8,7 +8,7 @@
 <script>
 
     var db,
-      t = async_test(document.title);
+      t = async_test();
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating.htm
index f67265aa8556..b555d7447e17 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating.htm
@@ -8,7 +8,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title);
+      t = async_test();
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index.htm
index 4b0fbba0937b..950fa77c9463 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index.htm
@@ -8,7 +8,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0", obj: { iKey: "iKey_0" }},
                   { pKey: "primaryKey_1", obj: { iKey: "iKey_1" }},
                   { pKey: "primaryKey_2", obj: { iKey: "iKey_2" }} ],
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index2.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index2.htm
index 689b89152782..9110a2e85b5e 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index2.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_index2.htm
@@ -8,7 +8,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0", obj: { iKey: "iKey_0" }},
                   { pKey: "primaryKey_2", obj: { iKey: "iKey_2" }} ],
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore.htm
index 8a9dcfa107fa..4d54de8eac80 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore.htm
@@ -8,7 +8,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0" },
                   { pKey: "primaryKey_1" },
                   { pKey: "primaryKey_2" } ],
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore2.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore2.htm
index 992d0ea42565..299d4c1cd3f7 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore2.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore2.htm
@@ -8,7 +8,7 @@
 <script>
     var db,
       count = 0,
-      t = async_test(document.title),
+      t = async_test(),
       records = [ { pKey: "primaryKey_0" },
                   { pKey: "primaryKey_2" } ],
       expected_records = [ { pKey: "primaryKey_0" },
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_update_objectstore4.htm b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_update_objectstore4.htm
index cb35b1035098..07209e55bb2b 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbcursor_update_objectstore4.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbcursor_update_objectstore4.htm
@@ -8,7 +8,7 @@
 <script>
 
     var db,
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore10-1000ends.htm b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore10-1000ends.htm
index 747a655ecb76..dad6fd3a933f 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore10-1000ends.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore10-1000ends.htm
@@ -7,7 +7,7 @@
 
 <script>
 var db,
-    t = async_test(document.title),
+    t = async_test(),
     open_rq = createdb(t)
 
 open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore7.htm b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore7.htm
index 9833c5336961..37b4e8ede005 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore7.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_createObjectStore7.htm
@@ -7,7 +7,7 @@
 
 <script>
 
-var t = async_test(document.title),
+var t = async_test(),
     open_rq = createdb(t)
 
 open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_deleteObjectStore4-not_reused.htm b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_deleteObjectStore4-not_reused.htm
index 5332205db7ce..cc59f9d2025d 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_deleteObjectStore4-not_reused.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_deleteObjectStore4-not_reused.htm
@@ -8,7 +8,7 @@
 
 <script>
 
-var t = async_test(document.title),
+var t = async_test(),
     keys = [],
     open_rq = createdb(t)
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_transaction4.htm b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_transaction4.htm
index 2ba36feee708..ca3369f7bd0d 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_transaction4.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbdatabase_transaction4.htm
@@ -7,7 +7,7 @@
 
 <script>
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       open_rq = createdb(t);
 
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_deleteDatabase3.htm b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_deleteDatabase3.htm
index 7299bfb56735..ebc55dd6f284 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_deleteDatabase3.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_deleteDatabase3.htm
@@ -9,7 +9,7 @@
 
 <script>
     var db
-    var open_rq = createdb(async_test(document.title), undefined, 9)
+    var open_rq = createdb(async_test(), undefined, 9)
 
     open_rq.onupgradeneeded = function(e) {
         db = e.target.result
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open10.htm b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open10.htm
index 0a9a12d8dfd9..9767f268eab6 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open10.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open10.htm
@@ -7,7 +7,7 @@
 
 <script>
     var db, db2;
-    var open_rq = createdb(async_test(document.title), undefined, 9);
+    var open_rq = createdb(async_test(), undefined, 9);
 
     open_rq.onupgradeneeded = function(e) {
         db = e.target.result;
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open11.htm b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open11.htm
index 6a77b13b0883..ae7f0e243ae3 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open11.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbfactory_open11.htm
@@ -8,7 +8,7 @@
 <script>
     var db;
     var count_done = 0;
-    var open_rq = createdb(async_test(document.title));
+    var open_rq = createdb(async_test());
 
     open_rq.onupgradeneeded = function(e) {
         db = e.target.result;
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry-arraykeypath.htm b/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry-arraykeypath.htm
index 31ae61cfc427..e99c8ad99853 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry-arraykeypath.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry-arraykeypath.htm
@@ -9,7 +9,7 @@
 <script src="support.js"></script>
 
 <script>
-    createdb(async_test(document.title)).onupgradeneeded = function(e) {
+    createdb(async_test()).onupgradeneeded = function(e) {
         var store = e.target.result.createObjectStore("store");
 
         assert_throws('InvalidAccessError', function() {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry.htm b/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry.htm
index 6b5b06cf807c..ff880550a49e 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbindex-multientry.htm
@@ -12,7 +12,7 @@
     var db,
         expected_keys = [1, 2, 2, 3, 3];
 
-    var open_rq = createdb(async_test(document.title))
+    var open_rq = createdb(async_test())
 
     open_rq.onupgradeneeded = function(e) {
         db = e.target.result;
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbindex_indexNames.htm b/tests/wpt/web-platform-tests/IndexedDB/idbindex_indexNames.htm
index 023903f19f72..f80c4c137903 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbindex_indexNames.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbindex_indexNames.htm
@@ -8,7 +8,7 @@
 
 <script>
     var db,
-      t = async_test(document.title);
+      t = async_test();
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex3-usable-right-away.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex3-usable-right-away.htm
index 5156e61e65f8..727ddd2f084a 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex3-usable-right-away.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex3-usable-right-away.htm
@@ -9,7 +9,7 @@
 
 <script>
     var db, aborted,
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex4-deleteIndex-event_order.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex4-deleteIndex-event_order.htm
index 937ae58c3b3f..5d6d7b4cb5cb 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex4-deleteIndex-event_order.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex4-deleteIndex-event_order.htm
@@ -9,7 +9,7 @@
 <script>
     var db,
       events = [],
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex5-emptykeypath.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex5-emptykeypath.htm
index 14ddb924ffee..f8fa9ee272b7 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex5-emptykeypath.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex5-emptykeypath.htm
@@ -8,7 +8,7 @@
 
 <script>
     var db, aborted,
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex6-event_order.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex6-event_order.htm
index a636226968e5..302bb86c2b39 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex6-event_order.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex6-event_order.htm
@@ -16,7 +16,7 @@
 
     var db,
       events = [],
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex7-event_order.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex7-event_order.htm
index 8d2725a9f0e3..b8bc9c515cb1 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex7-event_order.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex7-event_order.htm
@@ -18,7 +18,7 @@
 
     var db,
       events = [],
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex8-valid_keys.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex8-valid_keys.htm
index ea90f50dde1e..25841f19dac6 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex8-valid_keys.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_createIndex8-valid_keys.htm
@@ -9,7 +9,7 @@
 
 <script>
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       now = new Date(),
       mar18 = new Date(1111111111111),
       ar = ["Yay", 2, -Infinity],
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_deleted.htm b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_deleted.htm
index c26145c1d5ce..4a5c0cca2b7d 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_deleted.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_deleted.htm
@@ -11,7 +11,7 @@
 <script>
     var db,
       add_success = false,
-      t = async_test(document.title)
+      t = async_test()
 
     var open_rq = createdb(t);
     open_rq.onupgradeneeded = function(e) {
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbtransaction-oncomplete.htm b/tests/wpt/web-platform-tests/IndexedDB/idbtransaction-oncomplete.htm
index e2cad729397d..647678a5fbb1 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbtransaction-oncomplete.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbtransaction-oncomplete.htm
@@ -7,7 +7,7 @@
 
 <script>
     var db, store,
-      t = async_test(document.title),
+      t = async_test(),
       open_rq = createdb(t),
       stages = [];
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbtransaction_abort.htm b/tests/wpt/web-platform-tests/IndexedDB/idbtransaction_abort.htm
index 4300e2f01c80..8f19bc7993f4 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbtransaction_abort.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbtransaction_abort.htm
@@ -8,7 +8,7 @@
 
 <script>
     var db, aborted,
-      t = async_test(document.title),
+      t = async_test(),
       record = { indexedProperty: "bar" };
 
     var open_rq = createdb(t);
diff --git a/tests/wpt/web-platform-tests/IndexedDB/idbversionchangeevent.htm b/tests/wpt/web-platform-tests/IndexedDB/idbversionchangeevent.htm
index e776f14c6299..e7ffecabd04f 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/idbversionchangeevent.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/idbversionchangeevent.htm
@@ -13,7 +13,7 @@
 <script>
 
     var db,
-        t = async_test(document.title);
+        t = async_test();
 
     t.step(function() {
         var openrq = indexedDB.open('db', 3);
diff --git a/tests/wpt/web-platform-tests/IndexedDB/keygenerator-constrainterror.htm b/tests/wpt/web-platform-tests/IndexedDB/keygenerator-constrainterror.htm
index 205785f3bd73..2caad10a5bc9 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/keygenerator-constrainterror.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/keygenerator-constrainterror.htm
@@ -9,7 +9,7 @@
 <script>
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       objects = [1, null, {id: 2}, null, 2.00001, 5, null, {id: 6} ],
       expected = [1, 2, 2.00001, 3, 5, 6],
       errors = 0;
diff --git a/tests/wpt/web-platform-tests/IndexedDB/keygenerator-overflow.htm b/tests/wpt/web-platform-tests/IndexedDB/keygenerator-overflow.htm
index a7bc09fc8d50..67f809d78f29 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/keygenerator-overflow.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/keygenerator-overflow.htm
@@ -11,7 +11,7 @@
 <script>
 
     var db,
-      t = async_test(document.title),
+      t = async_test(),
       overflow_error_fired = false,
       objects =  [9007199254740991, null, "error", 2, "error" ],
       expected_keys = [2, 9007199254740991, 9007199254740992];
diff --git a/tests/wpt/web-platform-tests/IndexedDB/request_bubble-and-capture.htm b/tests/wpt/web-platform-tests/IndexedDB/request_bubble-and-capture.htm
index f43fd10a34fa..21d72d75a6fa 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/request_bubble-and-capture.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/request_bubble-and-capture.htm
@@ -9,7 +9,7 @@
 <script>
     var events = [];
 
-    var open_rq = createdb(async_test(document.title));
+    var open_rq = createdb(async_test());
     open_rq.onupgradeneeded = function(e) {
         var db = e.target.result;
         var txn = e.target.transaction;
diff --git a/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime-blocked.htm b/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime-blocked.htm
index a6ef34b19cb3..79ba82f9baf8 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime-blocked.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime-blocked.htm
@@ -11,7 +11,7 @@
 
     var db, db_got_versionchange, db2,
         events = [],
-        t = async_test(document.title);
+        t = async_test();
 
     t.step(function() {
         var openrq = indexedDB.open('db', 3);
diff --git a/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime.htm b/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime.htm
index 9c66c54c40fc..28836448aca6 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/transaction-lifetime.htm
@@ -11,7 +11,7 @@
 
     var db, db_got_versionchange, db2,
         events = [],
-        t = async_test(document.title);
+        t = async_test();
 
     t.step(function() {
         var openrq = indexedDB.open('db', 3);
diff --git a/tests/wpt/web-platform-tests/IndexedDB/transaction-requestqueue.htm b/tests/wpt/web-platform-tests/IndexedDB/transaction-requestqueue.htm
index 081ea2e19a1b..9f28e81ea8a6 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/transaction-requestqueue.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/transaction-requestqueue.htm
@@ -8,7 +8,7 @@
 
 <script>
 
-var db, t = async_test(document.title),
+var db, t = async_test(),
     keys = { txn: [], txn2: [] },
     open_rq = createdb(t)
 
diff --git a/tests/wpt/web-platform-tests/IndexedDB/transaction_bubble-and-capture.htm b/tests/wpt/web-platform-tests/IndexedDB/transaction_bubble-and-capture.htm
index ff48fb48234b..bffa9307ccf3 100644
--- a/tests/wpt/web-platform-tests/IndexedDB/transaction_bubble-and-capture.htm
+++ b/tests/wpt/web-platform-tests/IndexedDB/transaction_bubble-and-capture.htm
@@ -9,7 +9,7 @@
 <script>
     var events = [];
 
-    var open_rq = createdb(async_test(document.title));
+    var open_rq = createdb(async_test());
     open_rq.onupgradeneeded = function(e) {
         var db = e.target.result;
         var txn = e.target.transaction;
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/attribute-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/attribute-tests.html
index 1d2141d38c48..8cb820564f45 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/attribute-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/attribute-tests.html
@@ -52,8 +52,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/charset-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/charset-tests.html
index 9d9ef1bb0879..45470004dafb 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/charset-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/charset-tests.html
@@ -30,8 +30,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/chromium-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/chromium-tests.html
index d9e1d28623f5..30296db431d2 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/chromium-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/chromium-tests.html
@@ -48,8 +48,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/comma-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/comma-tests.html
index f71bb8d96104..c36f1b3f1bb0 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/comma-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/comma-tests.html
@@ -33,8 +33,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/domain-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/domain-tests.html
index 85c8cd00a447..8ad9a3ead878 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/domain-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/domain-tests.html
@@ -70,8 +70,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/general-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/general-tests.html
index 1e63043ae111..c8b7ea4ecb1c 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/general-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/general-tests.html
@@ -56,8 +56,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/mozilla-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/mozilla-tests.html
index 01a5645b1402..9408f332a946 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/mozilla-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/mozilla-tests.html
@@ -43,8 +43,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/name-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/name-tests.html
index 9dd2781f2357..adc550b9bb99 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/name-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/name-tests.html
@@ -59,8 +59,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/ordering-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/ordering-tests.html
index 53cfae452be3..888f350178ac 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/ordering-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/ordering-tests.html
@@ -27,8 +27,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/path-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/path-tests.html
index 464f39becd9e..b30d8362252c 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/path-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/path-tests.html
@@ -59,8 +59,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/resources/all-tests.html.py-str b/tests/wpt/web-platform-tests/cookies/http-state/resources/all-tests.html.py-str
index 37d630fef4fa..abbb4552671c 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/resources/all-tests.html.py-str
+++ b/tests/wpt/web-platform-tests/cookies/http-state/resources/all-tests.html.py-str
@@ -69,8 +69,7 @@
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
 
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/resources/debugging-single-test.html.py-str b/tests/wpt/web-platform-tests/cookies/http-state/resources/debugging-single-test.html.py-str
index 40d9809a4bc1..43ada7d330c0 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/resources/debugging-single-test.html.py-str
+++ b/tests/wpt/web-platform-tests/cookies/http-state/resources/debugging-single-test.html.py-str
@@ -24,7 +24,7 @@
     <script>
       setup({ explicit_timeout: true });
 
-      promise_test(createCookieTest("%s"), "DEBUG", { timeout: 3000 });
+      promise_test(createCookieTest("%s"), "DEBUG");
 
     </script>
   </body>
diff --git a/tests/wpt/web-platform-tests/cookies/http-state/value-tests.html b/tests/wpt/web-platform-tests/cookies/http-state/value-tests.html
index cb09034ae850..8e4c4a32517b 100644
--- a/tests/wpt/web-platform-tests/cookies/http-state/value-tests.html
+++ b/tests/wpt/web-platform-tests/cookies/http-state/value-tests.html
@@ -32,8 +32,7 @@ <h3>Test Results</h3>
       for (const i in TEST_CASES) {
         const t = TEST_CASES[i];
         promise_test(createCookieTest(t.file),
-                     t.file + " - " + t.name,
-                     { timeout: 3000 });
+                     t.file + " - " + t.name);
       }
 
     </script>
diff --git a/tests/wpt/web-platform-tests/css/css-backgrounds/border-image-repeat_repeatnegx_none_50px.html b/tests/wpt/web-platform-tests/css/css-backgrounds/border-image-repeat_repeatnegx_none_50px.html
index 4303a11af05b..9a7c8e1cfe5e 100644
--- a/tests/wpt/web-platform-tests/css/css-backgrounds/border-image-repeat_repeatnegx_none_50px.html
+++ b/tests/wpt/web-platform-tests/css/css-backgrounds/border-image-repeat_repeatnegx_none_50px.html
@@ -22,7 +22,7 @@
     <div id="test"></div>
     <script type="text/javascript">
         var div = document.querySelector("#test");
-        var t = async_test(document.title);
+        var t = async_test();
         t.step(function () {
             div.style[headProp("border-image-repeat")] = "repeat-x";
             div.style[headProp("height")] = "200px";
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-computed.html
new file mode 100644
index 000000000000..86c7edba88ca
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-computed.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().boxDecorationBreak</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-box-decoration-break">
+<meta name="assert" content="box-decoration-break computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("box-decoration-break", "slice");
+test_computed_value("box-decoration-break", "clone");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-invalid.html
new file mode 100644
index 000000000000..6ae127782016
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing box-decoration-break with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-box-decoration-break">
+<meta name="assert" content="box-decoration-break supports only the grammar 'slice | clone'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("box-decoration-break", "auto");
+test_invalid_value("box-decoration-break", "slice clone");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-valid.html
new file mode 100644
index 000000000000..b52d44393c79
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/box-decoration-break-valid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing box-decoration-break with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-box-decoration-break">
+<meta name="assert" content="box-decoration-break supports the full grammar 'slice | clone'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("box-decoration-break", "slice");
+test_valid_value("box-decoration-break", "clone");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-computed.html
new file mode 100644
index 000000000000..a62160e425a3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-computed.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().breakAfter</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-after">
+<meta name="assert" content="break-after computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("break-after", "auto");
+test_computed_value("break-after", "avoid");
+test_computed_value("break-after", "avoid-page");
+test_computed_value("break-after", "page");
+test_computed_value("break-after", "left");
+test_computed_value("break-after", "right");
+test_computed_value("break-after", "recto");
+test_computed_value("break-after", "verso");
+test_computed_value("break-after", "avoid-column");
+test_computed_value("break-after", "column");
+test_computed_value("break-after", "avoid-region");
+test_computed_value("break-after", "region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-invalid.html
new file mode 100644
index 000000000000..d46131b8bce9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-after with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-after">
+<meta name="assert" content="break-after supports only the grammar 'auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("break-after", "none");
+test_invalid_value("break-after", "avoid region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-valid.html
new file mode 100644
index 000000000000..8f7370979be3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-after-valid.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-after with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-after">
+<meta name="assert" content="break-after supports the full grammar 'auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("break-after", "auto");
+test_valid_value("break-after", "avoid");
+test_valid_value("break-after", "avoid-page");
+test_valid_value("break-after", "page");
+test_valid_value("break-after", "left");
+test_valid_value("break-after", "right");
+test_valid_value("break-after", "recto");
+test_valid_value("break-after", "verso");
+test_valid_value("break-after", "avoid-column");
+test_valid_value("break-after", "column");
+test_valid_value("break-after", "avoid-region");
+test_valid_value("break-after", "region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-computed.html
new file mode 100644
index 000000000000..229ab4fd8a5e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-computed.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().breakBefore</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-before">
+<meta name="assert" content="break-before computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("break-before", "auto");
+test_computed_value("break-before", "avoid");
+test_computed_value("break-before", "avoid-page");
+test_computed_value("break-before", "page");
+test_computed_value("break-before", "left");
+test_computed_value("break-before", "right");
+test_computed_value("break-before", "recto");
+test_computed_value("break-before", "verso");
+test_computed_value("break-before", "avoid-column");
+test_computed_value("break-before", "column");
+test_computed_value("break-before", "avoid-region");
+test_computed_value("break-before", "region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-invalid.html
new file mode 100644
index 000000000000..f8ea49f2f96b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-before with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-before">
+<meta name="assert" content="break-before supports only the grammar 'auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("break-before", "none");
+test_invalid_value("break-before", "avoid region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-valid.html
new file mode 100644
index 000000000000..8f38d90f807e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-before-valid.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-before with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-before">
+<meta name="assert" content="break-before supports the full grammar 'auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("break-before", "auto");
+test_valid_value("break-before", "avoid");
+test_valid_value("break-before", "avoid-page");
+test_valid_value("break-before", "page");
+test_valid_value("break-before", "left");
+test_valid_value("break-before", "right");
+test_valid_value("break-before", "recto");
+test_valid_value("break-before", "verso");
+test_valid_value("break-before", "avoid-column");
+test_valid_value("break-before", "column");
+test_valid_value("break-before", "avoid-region");
+test_valid_value("break-before", "region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-computed.html
new file mode 100644
index 000000000000..fe36c24e07b3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-computed.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().breakAfter</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-inside">
+<meta name="assert" content="break-inside computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("break-inside", "auto");
+test_computed_value("break-inside", "avoid");
+test_computed_value("break-inside", "avoid-page");
+test_computed_value("break-inside", "avoid-column");
+test_computed_value("break-inside", "avoid-region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-invalid.html
new file mode 100644
index 000000000000..6cf90b76dc43
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-inside with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-inside">
+<meta name="assert" content="break-inside supports only the grammar 'auto | avoid | avoid-page | avoid-column | avoid-region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("break-inside", "region");
+test_invalid_value("break-inside", "auto avoid");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-valid.html
new file mode 100644
index 000000000000..49b4e5c8ec29
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/break-inside-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing break-inside with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-break-inside">
+<meta name="assert" content="break-inside supports the full grammar 'auto | avoid | avoid-page | avoid-column | avoid-region'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("break-inside", "auto");
+test_valid_value("break-inside", "avoid");
+test_valid_value("break-inside", "avoid-page");
+test_valid_value("break-inside", "avoid-column");
+test_valid_value("break-inside", "avoid-region");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-computed.html
new file mode 100644
index 000000000000..c0438c6911f8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-computed.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().orphans</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-orphans">
+<meta name="assert" content="orphans computed value is specified integer.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("orphans", "1");
+test_computed_value("orphans", "234");
+test_computed_value("orphans", "calc(1 + 234)", "235");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-invalid.html
new file mode 100644
index 000000000000..e27fd6b29d36
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-invalid.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing orphans with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-orphans">
+<meta name="assert" content="orphans supports only the grammar '<integer>'.">
+<meta name="assert" content="Negative values and zero are invalid.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("orphans", "auto");
+test_invalid_value("orphans", "1 234");
+test_invalid_value("orphans", "-234");
+test_invalid_value("orphans", "-1");
+test_invalid_value("orphans", "0");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-valid.html
new file mode 100644
index 000000000000..996b911af870
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/orphans-valid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing orphans with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-orphans">
+<meta name="assert" content="orphans supports the full grammar '<integer>'.">
+<meta name="assert" content="Negative values and zero are invalid.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("orphans", "1");
+test_valid_value("orphans", "234");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/widows-computed.html b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-computed.html
new file mode 100644
index 000000000000..3ef1d1d4016d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-computed.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: getComputedValue().widows</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-widows">
+<meta name="assert" content="widows computed value is specified integer.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("widows", "1");
+test_computed_value("widows", "234");
+test_computed_value("widows", "calc(1 + 234)", "235");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/widows-invalid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-invalid.html
new file mode 100644
index 000000000000..1fa3ea7055db
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-invalid.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing widows with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-widows">
+<meta name="assert" content="widows supports only the grammar '<integer>'.">
+<meta name="assert" content="Negative values and zero are invalid.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("widows", "auto");
+test_invalid_value("widows", "1 234");
+test_invalid_value("widows", "-234");
+test_invalid_value("widows", "-1");
+test_invalid_value("widows", "0");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/parsing/widows-valid.html b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-valid.html
new file mode 100644
index 000000000000..3930f1b4fb63
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/parsing/widows-valid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Fragmentation Module Level 3: parsing widows with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-break/#propdef-widows">
+<meta name="assert" content="widows supports the full grammar '<integer>'.">
+<meta name="assert" content="Negative values and zero are invalid.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("widows", "1");
+test_valid_value("widows", "234");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-002.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-002.html
new file mode 100644
index 000000000000..9b86afa9ae9a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-002.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Layout containment supress baseline in flex items</title>
+<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#valdef-align-items-baseline">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<meta name=assert content="Flex items with layout containment are treated as having no baseline, for that reason their baseline is synthesized from the flex item's border box when they're baseline aligned.">
+<style>
+#flex {
+  display: inline-flex;
+  align-items: baseline;
+  background: red;
+}
+
+canvas {
+  background: green;
+  width: 50px;
+  height: 100px;
+}
+
+#item {
+  contain: layout;
+  color: transparent;
+  background: green;
+  width: 50px;
+  height: 100px;
+}
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="flex">
+  <canvas></canvas>
+  <div id="item">item</div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-003.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-003.html
new file mode 100644
index 000000000000..d4f8c738787c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-003.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Layout containment supress baseline in grid items</title>
+<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
+<link rel="help" href="https://drafts.csswg.org/css-grid-1/#grid-baselines">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<meta name=assert content="Grid items with layout containment are treated as having no baseline, for that reason their baseline is synthesized from the grid item's border box when they're baseline aligned.">
+<style>
+#grid {
+  display: inline-grid;
+  align-items: baseline;
+  background: red;
+  grid-auto-flow: column;
+}
+
+canvas {
+  background: green;
+  width: 50px;
+  height: 100px;
+}
+
+#item {
+  contain: layout;
+  color: transparent;
+  background: green;
+  width: 50px;
+  height: 100px;
+}
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="grid">
+  <canvas></canvas>
+  <div id="item">item</div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html
new file mode 100644
index 000000000000..df3f5782354e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-baseline-004.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Layout containment supress baseline in table cells</title>
+<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
+<link rel="match" href="reference/contain-layout-baseline-004-ref.html">
+<meta name=assert content="Table cells with layout containment are treated as having no baseline, for that reason their baseline is synthesized from the cell's border box when they're baseline aligned.">
+<style>
+#table {
+  display: table;
+  font: 100px/1 Ahem;
+}
+
+#table > * {
+  display: table-cell;
+}
+
+#first {
+  color: blue;
+}
+
+#second {
+  color: green;
+  contain: layout;
+}
+</style>
+<p>Test passes if there is not a rectangle as the two boxes ("blue" and "green") are not baseline aligned.</p>
+<div id="table">
+  <div id="first">X</div>
+  <div id="second">X</div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-001.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-001.html
index fa1af0eee684..25ee53ba2985 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-001.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-001.html
@@ -31,6 +31,7 @@
     {
       background-color: white;
       display: table-cell;
+      vertical-align: top;
     }
 
   div#contain
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-002.html b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-002.html
index 331a0e6519b0..8c511e3ee2c2 100644
--- a/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-002.html
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-layout-cell-002.html
@@ -25,7 +25,7 @@
     {
       background-color: white;
       padding: 0px;
-      vertical-align: baseline;
+      vertical-align: top;
     }
 
   td#contain
diff --git a/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-computed.html b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-computed.html
new file mode 100644
index 000000000000..18720b74195f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-computed.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Containment Module Level 1: getComputedValue().contain</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
+<meta name="assert" content="contain computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("contain", "none");
+test_computed_value("contain", "strict");
+test_computed_value("contain", "content");
+
+test_computed_value("contain", "size");
+test_computed_value("contain", "layout");
+test_computed_value("contain", "style");
+test_computed_value("contain", "paint");
+test_computed_value("contain", "size layout");
+test_computed_value("contain", "style paint");
+test_computed_value("contain", "layout style paint");
+test_computed_value("contain", "size layout style paint");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-invalid.html b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-invalid.html
new file mode 100644
index 000000000000..4be918e80cd4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Containment Module Level 1: parsing contain with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
+<meta name="assert" content="contain supports only the grammar 'none | strict | content | [ size || layout || style || paint ]'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("contain", "auto");
+test_invalid_value("contain", "strict content");
+test_invalid_value("contain", "size layout size");
+test_invalid_value("contain", "paint content");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-valid.html b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-valid.html
new file mode 100644
index 000000000000..0e97e8d994ed
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/parsing/contain-valid.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Containment Module Level 1: parsing contain with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
+<meta name="assert" content="contain supports the full grammar 'none | strict | content | [ size || layout || style || paint ]'.">
+<meta name="assert" content="contain serializes in canonical order.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("contain", "none");
+test_valid_value("contain", "strict");
+test_valid_value("contain", "content");
+
+// [ size || layout || style || paint ]
+test_valid_value("contain", "size");
+test_valid_value("contain", "layout");
+test_valid_value("contain", "style");
+test_valid_value("contain", "paint");
+test_valid_value("contain", "layout size", "size layout");
+test_valid_value("contain", "paint style", "style paint");
+test_valid_value("contain", "layout style paint");
+test_valid_value("contain", "layout paint style size", "size layout style paint");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html b/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html
new file mode 100644
index 000000000000..d0c7788fc185
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/reference/contain-layout-baseline-004-ref.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Containment Test: Reference file</title>
+<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
+<style>
+div {
+  display: inline-block;
+  font: 100px/1 Ahem;
+  width: 100px;
+  height: 100px;
+}
+#first {
+  color: blue;
+  position: relative;
+  top: 20px;
+}
+#second {
+  color: green;
+}
+</style>
+<p>Test passes if there is not a rectangle as the two boxes ("blue" and "green") are not baseline aligned.</p>
+<div id="first">X</div><div id="second">X</div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/display_flex_exist.html b/tests/wpt/web-platform-tests/css/css-flexbox/display_flex_exist.html
index 4044da39bb03..97090fbbeaff 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/display_flex_exist.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/display_flex_exist.html
@@ -18,7 +18,7 @@
     <div id=log></div>
     <div id=test></div>
     <script type="text/javascript">
-        var t = async_test(document.title);
+        var t = async_test();
         t.step(function () {
             assert_equals(window.getComputedStyle(document.querySelector('div#test')).display, "flex", "Display value is");
         });
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/display_inline-flex_exist.html b/tests/wpt/web-platform-tests/css/css-flexbox/display_inline-flex_exist.html
index cc2087e5dc74..fe318dae16f6 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/display_inline-flex_exist.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/display_inline-flex_exist.html
@@ -18,7 +18,7 @@
     <div id=log></div>
     <div id=test></div>
     <script type="text/javascript">
-        var t = async_test(document.title);
+        var t = async_test();
         t.step(function () {
             assert_equals(window.getComputedStyle(document.querySelector('div#test')).display, "inline-flex", "Display value is");
         });
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/order_value.html b/tests/wpt/web-platform-tests/css/css-flexbox/order_value.html
index ecf6a035ff1a..ca9af99b939f 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/order_value.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/order_value.html
@@ -24,7 +24,7 @@
     <div id=log></div>
     <div id=test><div id=test01>1</div><div id=test02>2</div><div id=test03>3</div></div>
     <script type="text/javascript">
-        var t = async_test(document.title);
+        var t = async_test();
         t.step(function () {
             assert_equals(document.getElementById("test01").offsetTop, document.getElementById("test02").offsetTop, "Rectangle 1 and 2 have the same offsetTop value");
             assert_equals((document.getElementById("test02").offsetLeft >= document.getElementById("test01").offsetLeft), false, "Rectangle 2 have a smaller offsetLeft value than 1.");
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-computed.html
new file mode 100644
index 000000000000..354b953b0829
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-computed.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnCount</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-count">
+<meta name="assert" content="column-count computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("column-count", "auto");
+
+test_computed_value("column-count", "1");
+test_computed_value("column-count", "234");
+test_computed_value("column-count", "calc(1 + 234)", "235");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-invalid.html
new file mode 100644
index 000000000000..4d76cdd85a34
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-invalid.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-count with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-count">
+<meta name="assert" content="column-count supports only the grammar 'auto | <integer>'.">
+<meta name="assert" content="column-count rejects non-positive integers.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-count", "none");
+test_invalid_value("column-count", "2.5");
+test_invalid_value("column-count", "-1");
+test_invalid_value("column-count", "0");
+
+test_invalid_value("column-count", "auto 1");
+test_invalid_value("column-count", "1 234");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-valid.html
new file mode 100644
index 000000000000..f1d00e75d0aa
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-count-valid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-count with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-count">
+<meta name="assert" content="column-count supports the full grammar 'auto | <integer>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-count", "auto");
+
+test_valid_value("column-count", "1");
+test_valid_value("column-count", "234");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-computed.html
new file mode 100644
index 000000000000..cc39c51a3ac2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-computed.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnFill</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-fill">
+<meta name="assert" content="column-fill computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("column-fill", "auto");
+test_computed_value("column-fill", "balance");
+test_computed_value("column-fill", "balance-all");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-invalid.html
new file mode 100644
index 000000000000..f055e9958bb3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-fill with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-fill">
+<meta name="assert" content="column-fill supports only the grammar 'auto | balance | balance-all'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-fill", "none");
+test_invalid_value("column-fill", "auto balance");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-valid.html
new file mode 100644
index 000000000000..ad5913d0bc0e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-fill-valid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-fill with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-fill">
+<meta name="assert" content="column-fill supports the full grammar 'auto | balance | balance-all'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-fill", "auto");
+test_valid_value("column-fill", "balance");
+test_valid_value("column-fill", "balance-all");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-computed.html
new file mode 100644
index 000000000000..60f5cf06fd41
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnGap</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-gap">
+<meta name="assert" content="column-gap computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("column-gap", "normal");
+
+test_computed_value("column-gap", "calc(10px + 0.5em)", "30px");
+test_computed_value("column-gap", "calc(10px - 0.5em)", "0px");
+test_computed_value("column-gap", "40%");
+test_computed_value("column-gap", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-invalid.html
new file mode 100644
index 000000000000..8ec92df6c4be
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-invalid.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-gap with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-gap">
+<meta name="assert" content="column-gap supports only the grammar '<length-percentage> | normal'.">
+<meta name="assert" content="column-gap rejects negative <length-percentage>.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-gap", "auto");
+
+test_invalid_value("column-gap", "10");
+test_invalid_value("column-gap", "10px 20px");
+test_invalid_value("column-gap", "-1px");
+test_invalid_value("column-gap", "-10%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-valid.html
new file mode 100644
index 000000000000..96ae68ee0881
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-gap-valid.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-gap with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-gap">
+<meta name="assert" content="column-gap supports the full grammar '<length-percentage> | normal'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-gap", "normal");
+
+test_valid_value("column-gap", "0", "0px");
+test_valid_value("column-gap", "1px");
+test_valid_value("column-gap", "calc(2em + 3ex)");
+test_valid_value("column-gap", "4%");
+test_valid_value("column-gap", "5vmin");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-computed.html
new file mode 100644
index 000000000000..f04f6b678000
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-computed.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnRuleColor</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-color">
+<meta name="assert" content="column-rule-color computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    color: lime;
+  }
+</style>
+<script>
+test_computed_value("column-rule-color", "currentcolor", "rgb(0, 255, 0)");
+
+test_computed_value("column-rule-color", "red", "rgb(255, 0, 0)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-invalid.html
new file mode 100644
index 000000000000..015defb75600
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-color with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-color">
+<meta name="assert" content="column-rule-color supports only the grammar '<color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-rule-color", "auto");
+
+test_invalid_value("column-rule-color", "green blue");
+test_invalid_value("column-rule-color", "green, blue");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-valid.html
new file mode 100644
index 000000000000..99ad7adbdca8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-color-valid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-color with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-color">
+<meta name="assert" content="column-rule-color supports the full grammar '<color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-rule-color", "currentcolor");
+
+test_valid_value("column-rule-color", "red");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-invalid.html
new file mode 100644
index 000000000000..e9945ec77404
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule">
+<meta name="assert" content="column-rule supports only the grammar '<column-rule-width> || <column-rule-style> || <column-rule-color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-rule", "reverse");
+test_invalid_value("column-rule", "10");
+
+test_invalid_value("column-rule", "red medium green");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-computed.html
new file mode 100644
index 000000000000..6a74b7b911cb
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-computed.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnRuleStyle</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-style">
+<meta name="assert" content="column-rule-style computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("column-rule-style", "none");
+test_computed_value("column-rule-style", "hidden");
+test_computed_value("column-rule-style", "dotted");
+test_computed_value("column-rule-style", "dashed");
+test_computed_value("column-rule-style", "solid");
+test_computed_value("column-rule-style", "double");
+test_computed_value("column-rule-style", "groove");
+test_computed_value("column-rule-style", "ridge");
+test_computed_value("column-rule-style", "inset");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-invalid.html
new file mode 100644
index 000000000000..db367c273f4f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-style with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-style">
+<meta name="assert" content="column-rule-style supports only the <line-style> grammar 'none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-rule-style", "auto");
+test_invalid_value("column-rule-style", "double dashed");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-valid.html
new file mode 100644
index 000000000000..6f79c0a16877
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-style-valid.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-style with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-style">
+<meta name="assert" content="column-rule-style supports the full <line-style> grammar 'none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-rule-style", "none");
+test_valid_value("column-rule-style", "hidden");
+test_valid_value("column-rule-style", "dotted");
+test_valid_value("column-rule-style", "dashed");
+test_valid_value("column-rule-style", "solid");
+test_valid_value("column-rule-style", "double");
+test_valid_value("column-rule-style", "groove");
+test_valid_value("column-rule-style", "ridge");
+test_valid_value("column-rule-style", "inset");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-valid.html
new file mode 100644
index 000000000000..473d8f075cab
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule">
+<meta name="assert" content="column-rule supports the full grammar '<column-rule-width> || <column-rule-style> || <column-rule-color>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-rule", "10px");
+test_valid_value("column-rule", "dotted");
+test_valid_value("column-rule", "red");
+
+test_valid_value("column-rule", "currentcolor hidden medium", "medium hidden currentcolor");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-computed.html
new file mode 100644
index 000000000000..f4b335764f2f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-computed.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnRuleWidth</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width">
+<meta name="assert" content="column-rule-width computed value is absolute length.">
+<meta name="assert" content="column-rule-width computed value is 0 if the column rule style is none or hidden.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+    column-rule-style: dotted;
+  }
+</style>
+<script>
+test_computed_value("column-rule-width", "calc(10px + 0.5em)", "30px");
+test_computed_value("column-rule-width", "calc(10px - 0.5em)", "0px");
+
+// thin, medium, thick computed values not yet tested
+
+test(() => {
+  target.style.columnRuleWidth = '10px';
+  assert_equals(getComputedStyle(target).columnRuleWidth, '10px');
+
+  target.style.columnRuleStyle = 'none';
+  assert_equals(getComputedStyle(target).columnRuleWidth, '0px');
+
+  target.style.columnRuleStyle = 'outset';
+  assert_equals(getComputedStyle(target).columnRuleWidth, '10px');
+
+  target.style.columnRuleStyle = 'hidden';
+  assert_equals(getComputedStyle(target).columnRuleWidth, '0px');
+
+  target.style.columnRuleStyle = '';
+}, 'column-rule-width is 0 when column-rule-style is none or hidden');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-invalid.html
new file mode 100644
index 000000000000..0bdbbecb8cad
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-invalid.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-width with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width">
+<meta name="assert" content="column-rule-width supports only the <line-width> grammar '<length> | thin | medium | thick'.">
+<meta name="assert" content="column-rule-width rejects negative lengths.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-rule-width", "auto");
+
+test_invalid_value("column-rule-width", "10");
+test_invalid_value("column-rule-width", "-20px");
+test_invalid_value("column-rule-width", "30%");
+
+test_invalid_value("column-rule-width", "medium 40px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-valid.html
new file mode 100644
index 000000000000..1be37fc75719
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-rule-width-valid.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-rule-width with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width">
+<meta name="assert" content="column-rule-width supports the full <line-width> grammar '<length> | thin | medium | thick'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-rule-width", "thin");
+test_valid_value("column-rule-width", "medium");
+test_valid_value("column-rule-width", "thick");
+
+test_valid_value("column-rule-width", "0", "0px");
+test_valid_value("column-rule-width", "10px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-computed.html
new file mode 100644
index 000000000000..7c5417b195c8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-computed.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnSpan</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-span">
+<meta name="assert" content="column-span computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("column-span", "none");
+test_computed_value("column-span", "all");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-invalid.html
new file mode 100644
index 000000000000..c412922f0536
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-span with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-span">
+<meta name="assert" content="column-span supports only the grammar 'none | all'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-span", "auto");
+test_invalid_value("column-span", "none all");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-valid.html
new file mode 100644
index 000000000000..005b8c31b962
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-span-valid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-span with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-span">
+<meta name="assert" content="column-span supports the full grammar 'none | all'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-span", "none");
+test_valid_value("column-span", "all");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-computed.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-computed.html
new file mode 100644
index 000000000000..48dd692bc3b7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-computed.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: getComputedValue().columnWidth</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-width">
+<meta name="assert" content="column-width computed value is the keyword auto or an absolute length.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("column-width", "auto");
+
+test_computed_value("column-width", "calc(10px + 0.5em)", "30px");
+test_computed_value("column-width", "calc(10px - 0.5em)", "0px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-invalid.html
new file mode 100644
index 000000000000..207a78e8ccc7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-invalid.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-width with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-width">
+<meta name="assert" content="column-width supports only the grammar 'auto | <length>'.">
+<meta name="assert" content="column-width rejects negative lengths.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("column-width", "none");
+test_invalid_value("column-width", "10");
+test_invalid_value("column-width", "-20px");
+test_invalid_value("column-width", "30%");
+
+test_invalid_value("column-width", "auto 40px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-valid.html
new file mode 100644
index 000000000000..e35a6ebf3272
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/column-width-valid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing column-width with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-width">
+<meta name="assert" content="column-width supports the full grammar 'auto | <length>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("column-width", "auto");
+
+test_valid_value("column-width", "0", "0px");
+test_valid_value("column-width", "10px");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-invalid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-invalid.html
new file mode 100644
index 000000000000..c84fb6cacef2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing columns with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-columns">
+<meta name="assert" content="columns supports only the grammar '<column-width> || <column-count>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("columns", "none");
+
+test_invalid_value("columns", "10px 20px");
+test_invalid_value("columns", "10 20");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-valid.html b/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-valid.html
new file mode 100644
index 000000000000..fff7cdd4aff0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parsing/columns-valid.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Multi-column Layout: parsing columns with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-columns">
+<meta name="assert" content="columns supports the full grammar '<column-width> || <column-count>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("columns", "2 10px", "10px 2");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-computed.html
new file mode 100644
index 000000000000..150b6d44e63a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().bottom</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-bottom">
+<meta name="assert" content="bottom lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("bottom", "auto");
+
+test_computed_value("bottom", "calc(10px + 0.5em)", "30px");
+test_computed_value("bottom", "calc(10px - 0.5em)", "-10px");
+test_computed_value("bottom", "-40%");
+test_computed_value("bottom", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-invalid.html
new file mode 100644
index 000000000000..6ed6fdd6d4b5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing bottom with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-bottom">
+<meta name="assert" content="bottom supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("bottom", "min-content");
+
+test_invalid_value("bottom", "60");
+test_invalid_value("bottom", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-valid.html
new file mode 100644
index 000000000000..7a20bd722b1d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/bottom-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing bottom with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-bottom">
+<meta name="assert" content="bottom supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("bottom", "auto");
+
+test_valid_value("bottom", "-10px");
+test_valid_value("bottom", "-20%");
+test_valid_value("bottom", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-computed.html
new file mode 100644
index 000000000000..1a324ed5e088
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().insetAfter</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-after">
+<meta name="assert" content="inset-after lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("inset-after", "auto");
+
+test_computed_value("inset-after", "calc(10px + 0.5em)", "30px");
+test_computed_value("inset-after", "calc(10px - 0.5em)", "-10px");
+test_computed_value("inset-after", "-40%");
+test_computed_value("inset-after", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-invalid.html
new file mode 100644
index 000000000000..3fccd7320063
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-after with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-after">
+<meta name="assert" content="inset-after supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("inset-after", "min-content");
+
+test_invalid_value("inset-after", "60");
+test_invalid_value("inset-after", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-valid.html
new file mode 100644
index 000000000000..27734a59e69a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-after-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-after with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-after">
+<meta name="assert" content="inset-after supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("inset-after", "auto");
+
+test_valid_value("inset-after", "-10px");
+test_valid_value("inset-after", "-20%");
+test_valid_value("inset-after", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-computed.html
new file mode 100644
index 000000000000..3df39d4053b7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().insetBefore</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-before">
+<meta name="assert" content="inset-before lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("inset-before", "auto");
+
+test_computed_value("inset-before", "calc(10px + 0.5em)", "30px");
+test_computed_value("inset-before", "calc(10px - 0.5em)", "-10px");
+test_computed_value("inset-before", "-40%");
+test_computed_value("inset-before", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-invalid.html
new file mode 100644
index 000000000000..133afc23fb9a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-before with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-before">
+<meta name="assert" content="inset-before supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("inset-before", "min-content");
+
+test_invalid_value("inset-before", "60");
+test_invalid_value("inset-before", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-valid.html
new file mode 100644
index 000000000000..a802ddb1b48e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-before-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-before with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-before">
+<meta name="assert" content="inset-before supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("inset-before", "auto");
+
+test_valid_value("inset-before", "-10px");
+test_valid_value("inset-before", "-20%");
+test_valid_value("inset-before", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-computed.html
new file mode 100644
index 000000000000..5455a2bacc6a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().insetEnd</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-end">
+<meta name="assert" content="inset-end lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("inset-end", "auto");
+
+test_computed_value("inset-end", "calc(10px + 0.5em)", "30px");
+test_computed_value("inset-end", "calc(10px - 0.5em)", "-10px");
+test_computed_value("inset-end", "-40%");
+test_computed_value("inset-end", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-invalid.html
new file mode 100644
index 000000000000..b0e66bb7c24f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-end with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-end">
+<meta name="assert" content="inset-end supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("inset-end", "min-content");
+
+test_invalid_value("inset-end", "60");
+test_invalid_value("inset-end", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-valid.html
new file mode 100644
index 000000000000..2271ae645544
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-end-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-end with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-end">
+<meta name="assert" content="inset-end supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("inset-end", "auto");
+
+test_valid_value("inset-end", "-10px");
+test_valid_value("inset-end", "-20%");
+test_valid_value("inset-end", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-computed.html
new file mode 100644
index 000000000000..0eea5ddb97b7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().insetStart</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-start">
+<meta name="assert" content="inset-start lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("inset-start", "auto");
+
+test_computed_value("inset-start", "calc(10px + 0.5em)", "30px");
+test_computed_value("inset-start", "calc(10px - 0.5em)", "-10px");
+test_computed_value("inset-start", "-40%");
+test_computed_value("inset-start", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-invalid.html
new file mode 100644
index 000000000000..2f7a9496ba87
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-start with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-start">
+<meta name="assert" content="inset-start supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("inset-start", "min-content");
+
+test_invalid_value("inset-start", "60");
+test_invalid_value("inset-start", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-valid.html
new file mode 100644
index 000000000000..e74b205ffbc6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/inset-start-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing inset-start with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-inset-start">
+<meta name="assert" content="inset-start supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("inset-start", "auto");
+
+test_valid_value("inset-start", "-10px");
+test_valid_value("inset-start", "-20%");
+test_valid_value("inset-start", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/left-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/left-computed.html
new file mode 100644
index 000000000000..fe0014660068
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/left-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().left</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-left">
+<meta name="assert" content="left lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("left", "auto");
+
+test_computed_value("left", "calc(10px + 0.5em)", "30px");
+test_computed_value("left", "calc(10px - 0.5em)", "-10px");
+test_computed_value("left", "-40%");
+test_computed_value("left", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/left-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/left-invalid.html
new file mode 100644
index 000000000000..d4308e400d24
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/left-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing left with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-left">
+<meta name="assert" content="left supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("left", "min-content");
+
+test_invalid_value("left", "60");
+test_invalid_value("left", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/left-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/left-valid.html
new file mode 100644
index 000000000000..2d5e364aa97a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/left-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing left with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-left">
+<meta name="assert" content="left supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("left", "auto");
+
+test_valid_value("left", "-10px");
+test_valid_value("left", "-20%");
+test_valid_value("left", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/position-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/position-computed.html
new file mode 100644
index 000000000000..46a6426033ef
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/position-computed.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().position</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-position">
+<meta name="assert" content="position computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("position", "static");
+test_computed_value("position", "relative");
+test_computed_value("position", "absolute");
+test_computed_value("position", "sticky");
+test_computed_value("position", "fixed");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/position-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/position-invalid.html
new file mode 100644
index 000000000000..441cb036d1fc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/position-invalid.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing position with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-position">
+<meta name="assert" content="position supports only the grammar 'static | relative | absolute | sticky | fixed'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("position", "auto");
+test_invalid_value("position", "static relative");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/position-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/position-valid.html
new file mode 100644
index 000000000000..67e08bfc8b80
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/position-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing position with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-position">
+<meta name="assert" content="position supports the full grammar 'static | relative | absolute | sticky | fixed'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("position", "static");
+test_valid_value("position", "relative");
+test_valid_value("position", "absolute");
+test_valid_value("position", "sticky");
+test_valid_value("position", "fixed");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/right-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/right-computed.html
new file mode 100644
index 000000000000..e16a9150700b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/right-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().right</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-right">
+<meta name="assert" content="right lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("right", "auto");
+
+test_computed_value("right", "calc(10px + 0.5em)", "30px");
+test_computed_value("right", "calc(10px - 0.5em)", "-10px");
+test_computed_value("right", "-40%");
+test_computed_value("right", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/right-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/right-invalid.html
new file mode 100644
index 000000000000..23be4a0ced42
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/right-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing right with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-right">
+<meta name="assert" content="right supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("right", "min-content");
+
+test_invalid_value("right", "60");
+test_invalid_value("right", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/right-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/right-valid.html
new file mode 100644
index 000000000000..5ddaa4d5f99d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/right-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing right with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-right">
+<meta name="assert" content="right supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("right", "auto");
+
+test_valid_value("right", "-10px");
+test_valid_value("right", "-20%");
+test_valid_value("right", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/top-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/top-computed.html
new file mode 100644
index 000000000000..b4debb174462
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/top-computed.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().top</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-top">
+<meta name="assert" content="top lengths are made absolute.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    font-size: 40px;
+  }
+</style>
+<script>
+test_computed_value("top", "auto");
+
+test_computed_value("top", "calc(10px + 0.5em)", "30px");
+test_computed_value("top", "calc(10px - 0.5em)", "-10px");
+test_computed_value("top", "-40%");
+test_computed_value("top", "calc(50% + 60px)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/top-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/top-invalid.html
new file mode 100644
index 000000000000..47907fea9fb0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/top-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing top with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-top">
+<meta name="assert" content="top supports only the grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("top", "min-content");
+
+test_invalid_value("top", "60");
+test_invalid_value("top", "10px 20%");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/top-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/top-valid.html
new file mode 100644
index 000000000000..212daaf16273
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/top-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing top with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-top">
+<meta name="assert" content="top supports the full grammar 'auto | <length-percentage>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("top", "auto");
+
+test_valid_value("top", "-10px");
+test_valid_value("top", "-20%");
+test_valid_value("top", "calc(2em + 3ex)");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-computed.html b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-computed.html
new file mode 100644
index 000000000000..594a011f3e60
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-computed.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: getComputedValue().zIndex</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-z-index">
+<meta name="assert" content="z-index computed value is the keyword auto or an integer.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<style>
+  #target {
+    position: absolute;
+  }
+</style>
+<script>
+test_computed_value("z-index", "auto");
+test_computed_value("z-index", "-1");
+test_computed_value("z-index", "calc(3 - 2)", "1");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-invalid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-invalid.html
new file mode 100644
index 000000000000..ceb7448dd0b8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-invalid.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing z-index with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-z-index">
+<meta name="assert" content="z-index supports only the grammar 'auto | <integer>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("z-index", "none");
+test_invalid_value("z-index", "10px");
+test_invalid_value("z-index", "0.5");
+test_invalid_value("z-index", "calc(0.5)");
+
+test_invalid_value("z-index", "auto 123");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-valid.html b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-valid.html
new file mode 100644
index 000000000000..3d1ffa01507d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-position/parsing/z-index-valid.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Positioned Layout Module Level 3: parsing z-index with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-position/#propdef-z-index">
+<meta name="assert" content="z-index supports the full grammar 'auto | <integer>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("z-index", "auto");
+
+test_valid_value("z-index", "-789");
+test_valid_value("z-index", "0");
+test_valid_value("z-index", "123");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033-ref.html b/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033-ref.html
new file mode 100644
index 000000000000..5af9912b28f0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033-ref.html
@@ -0,0 +1,8 @@
+<!doctype html>
+<title>CSS Test Reference</title>
+<p>
+  Should read "Pass" below
+</p>
+<p>
+  Pass
+</p>
diff --git a/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033.html b/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033.html
new file mode 100644
index 000000000000..8bc66177f658
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/text-transform/text-transform-capitalize-033.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<title>CSS Test: text-transform ignores out of flow</title>
+<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
+<link rel="author" href="https://mozilla.org" title="Mozilla">
+<link rel="help" href="https://drafts.csswg.org/css-text/#propdef-text-transform">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=906369">
+<link rel="help" href="https://bugs.webkit.org/show_bug.cgi?id=191807">
+<link rel="match" href="text-transform-capitalize-033-ref.html">
+<p>
+  Should read "Pass" below
+</p>
+<p style="text-transform: capitalize">
+  p<span style="position: absolute"></span>ass
+</p>
diff --git a/tests/wpt/web-platform-tests/css/css-transitions/transitions-animatable-properties-01.html b/tests/wpt/web-platform-tests/css/css-transitions/transitions-animatable-properties-01.html
index 534f81839ac8..39dd073f929f 100644
--- a/tests/wpt/web-platform-tests/css/css-transitions/transitions-animatable-properties-01.html
+++ b/tests/wpt/web-platform-tests/css/css-transitions/transitions-animatable-properties-01.html
@@ -101,9 +101,9 @@
       // create all the tests we need
       for (var i = 0; i < kANIMATABLE_CSS_PROPERTIES.length; i++) {
         testsIntermediate.push(async_test(kANIMATABLE_CSS_PROPERTIES[i][0] + " intermediate",
-                                          { timeout: 2000, assert: "property " + kANIMATABLE_CSS_PROPERTIES[i][0] + " is animatable" }));
+                                          { assert: "property " + kANIMATABLE_CSS_PROPERTIES[i][0] + " is animatable" }));
         testsEnd.push(async_test(kANIMATABLE_CSS_PROPERTIES[i][0] + " end",
-                                          { timeout: 2000, assert: "property " + kANIMATABLE_CSS_PROPERTIES[i][0] + " has correct value after transition's end" }));
+                                          { assert: "property " + kANIMATABLE_CSS_PROPERTIES[i][0] + " has correct value after transition's end" }));
       }
 
       // getComputedStyle helper
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-computed.svg b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-computed.svg
new file mode 100644
index 000000000000..cfbc242f33be
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-computed.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>Filter Effects Module Level 1: getComputedValue().floodOpacity</title>
+  <metadata>
+    <h:link rel="help" href="https://drafts.fxtf.org/filter-effects/#propdef-flood-opacity"/>
+    <h:meta name="assert" content="flood-opacity computed value is clamped to the range [0,1]."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/computed-testcommon.js"/>
+  <script><![CDATA[
+
+test_computed_value("flood-opacity", "-1", "0");
+test_computed_value("flood-opacity", "0.5");
+test_computed_value("flood-opacity", "3", "1");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-invalid.svg b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-invalid.svg
new file mode 100644
index 000000000000..ac21f8d8fbd5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-invalid.svg
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>Filter Effects Module Level 1: parsing flood-opacity with invalid values</title>
+  <metadata>
+    <h:link rel="help" href="https://drafts.fxtf.org/filter-effects/#propdef-flood-opacity"/>
+    <h:meta name="assert" content="flood-opacity supports only the grammar 'alpha-value'."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/parsing-testcommon.js"/>
+  <script><![CDATA[
+
+test_invalid_value("flood-opacity", "1.");
+test_invalid_value("flood-opacity", "2 3");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-valid.svg b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-valid.svg
new file mode 100644
index 000000000000..ea7ab2a8f3c0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/parsing/flood-opacity-valid.svg
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>Filter Effects Module Level 1: parsing flood-opacity with valid values</title>
+  <metadata>
+    <h:link rel="help" href="https://drafts.fxtf.org/filter-effects/#propdef-flood-opacity"/>
+    <h:meta name="assert" content="flood-opacity supports the full grammar 'alpha-value'."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/parsing-testcommon.js"/>
+  <script><![CDATA[
+
+test_valid_value("flood-opacity", "-1");
+test_valid_value("flood-opacity", "0.5");
+test_valid_value("flood-opacity", "3");
+test_valid_value("flood-opacity", "-100%");
+test_valid_value("flood-opacity", "50%");
+test_valid_value("flood-opacity", "300%");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/selectors/invalidation/defined.html b/tests/wpt/web-platform-tests/css/selectors/invalidation/defined.html
new file mode 100644
index 000000000000..064a35028688
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/invalidation/defined.html
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>CSS Selectors Invalidation: :defined</title>
+    <link rel="help" href="https://drafts.csswg.org/selectors-4/">
+    <meta name="assert" content="This tests that the :defined selector is effective">
+    <link rel="help" href="https://html.spec.whatwg.org/multipage/semantics-other.html#selector-defined">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <style>
+      #container {
+        color: gray;
+      }
+
+      #a1:defined {
+        color: blue;
+      }
+      :defined + #b1 {
+        color: green;
+      }
+      :defined > #c1 {
+        color: red;
+      }
+      div + :defined + * #d1 {
+        color: yellow;
+      }
+  </style>
+  </head>
+  <body>
+    <section id="container">
+      <elucidate-late id="a1"></elucidate-late>
+      <div id="b1"></div>
+      <elucidate-late>
+        <div id="c1"></div>
+      </elucidate-late>
+      <div>
+        <div id="d1"></div>
+      </div>
+    </section>
+
+    <script>
+      const gray = "rgb(128, 128, 128)";
+      const blue = "rgb(0, 0, 255)";
+      const green = "rgb(0, 128, 0)";
+      const red = "rgb(255, 0, 0)";
+      const yellow = "rgb(255, 255, 0)";
+
+      function assertGray(a, b, c, d) {
+        assert_equals(getComputedStyle(a).color, gray);
+        assert_equals(getComputedStyle(b).color, gray);
+        assert_equals(getComputedStyle(c).color, gray);
+        assert_equals(getComputedStyle(d).color, gray);
+      }
+
+      function assertColorful(a, b, c, d) {
+        assert_equals(getComputedStyle(a).color, blue);
+        assert_equals(getComputedStyle(b).color, green);
+        assert_equals(getComputedStyle(c).color, red);
+        assert_equals(getComputedStyle(d).color, yellow);
+      }
+
+      class ElucidateLate extends HTMLElement {
+        constructor() {
+          super();
+        }
+      }
+
+      test(() => {
+        assertGray(a1, b1, c1, d1);
+        customElements.define('elucidate-late', ElucidateLate);
+        assertColorful(a1, b1, c1, d1);
+      }, ":defined selector is effective");
+
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/selectors/invalidation/enabled-disabled.html b/tests/wpt/web-platform-tests/css/selectors/invalidation/enabled-disabled.html
new file mode 100644
index 000000000000..bac3067d009e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/invalidation/enabled-disabled.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CSS Selectors Invalidation: :enabled and :disabled</title>
+    <link rel="help" href="https://drafts.csswg.org/selectors-4/#enableddisabled">
+    <link rel="help" href="https://html.spec.whatwg.org/#enabling-and-disabling-form-controls:-the-disabled-attribute">
+    <meta name="assert" content="This tests that the :enabled and :disabled selectors are effective, and that the enabled/disabled status of an element is changed when updating its 'disabled' attribute by script.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <style>
+      input {
+        position: absolute;
+        left: 200px;
+        top: 300px;
+      }
+
+      :enabled {
+        left: 100px;
+      }
+
+      :disabled {
+        top: 400px;
+      }
+    </style>
+  </head>
+  <body>
+    <input id="first" type="button" value="First"></input>
+    <input id="second" type="button" value="Second" disabled></input>
+
+    <script>
+      test(() => {
+        assert_equals(getComputedStyle(first).left, '100px');
+        assert_equals(getComputedStyle(first).top, '300px');
+
+        first.disabled = true;
+        assert_equals(getComputedStyle(first).left, '200px');
+        assert_equals(getComputedStyle(first).top, '400px');
+      }, "Element updates when disabled");
+
+      test(() => {
+        assert_equals(getComputedStyle(second).left, '200px');
+        assert_equals(getComputedStyle(second).top, '400px');
+
+        second.disabled = false;
+        assert_equals(getComputedStyle(second).left, '100px');
+        assert_equals(getComputedStyle(second).top, '300px');
+      }, "Element updates when enabled");
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/selectors/invalidation/first-child-last-child.html b/tests/wpt/web-platform-tests/css/selectors/invalidation/first-child-last-child.html
new file mode 100644
index 000000000000..4a2ed4570e83
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/selectors/invalidation/first-child-last-child.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CSS Selectors Invalidation: :first-child :last-child</title>
+    <link rel="help" href="https://drafts.csswg.org/selectors-4/#the-first-child-pseudo">
+    <meta name="assert" content="This tests that the :first-child and :last-child selectors are effective">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <style>
+      div {
+        color: black;
+      }
+      span:first-child {
+        color: blue;
+      }
+      span:last-child {
+        color: red;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="target"><span>first-initially</span><span>last-initially</span></div>
+    <script>
+
+'use strict';
+const black = 'rgb(0, 0, 0)';
+const blue = 'rgb(0, 0, 255)';
+const red = 'rgb(255, 0, 0)';
+
+test(() => {
+  const target = document.querySelector('#target');
+  const first = target.firstChild;
+  assert_equals(getComputedStyle(first).color, blue);
+  target.insertAdjacentHTML('afterbegin', '\n<span>foo</span><span>bar</span>');
+  assert_equals(getComputedStyle(target.firstElementChild).color, blue);
+  assert_equals(getComputedStyle(first).color, black);
+  while (target.firstElementChild !== first)
+    target.removeChild(target.firstElementChild);
+  assert_equals(getComputedStyle(first).color, blue);
+}, 'Adding multiple nodes at once should invalidate :first-child correctly.');
+
+test(() => {
+  const target = document.querySelector('#target');
+  const last = target.lastChild;
+  assert_equals(getComputedStyle(last).color, red);
+  target.insertAdjacentHTML('beforeend', '\n<span>foo</span><span>bar</span>');
+  assert_equals(getComputedStyle(target.lastChild).color, red);
+  assert_equals(getComputedStyle(last).color, black);
+  while (target.lastChild !== last)
+    target.removeChild(target.lastChild);
+  assert_equals(getComputedStyle(last).color, red);
+}, 'Adding multiple nodes at once should invalidate :last-child correctly.');
+
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html
new file mode 100644
index 000000000000..e1a478acd693
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001-ref.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Reftest Reference</title>
+  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+  <style>
+  .flexBaselineCheck {
+    display: flex;
+    border: 1px solid black;
+    height: 100px;
+  }
+  .flexBaselineCheck > * {
+    border: 2px solid teal;
+
+    /* In the testcase, the (baseline-aligned) items should all have their
+       bottom borders aligned with the 80px-tall canvas.  In other words, their
+       bottom borders should all be 20px away from the bottom of their flex
+       container.  Here in the reference case, we just use "flex-end" alignment
+       plus a hardcoded 20px margin-bottom to produce a precise reference
+       for what that should look like. */
+    align-self: flex-end;
+    margin-bottom: 20px;
+  }
+  canvas {
+    background: purple;
+    width: 20px;
+    height: 80px;
+    box-sizing: border-box;
+  }
+  .flex {
+    display: flex;
+  }
+  .grid {
+    display: grid;
+  }
+  .multicol {
+    column-count: 2;
+  }
+  </style>
+</head>
+<body>
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <div>block</div>
+    <fieldset><legend>leg</legend>fieldset</fieldset>
+    <div class="flex">flex</div>
+    <div class="grid">grid</div>
+    <div class="multicol">multi<br>col</div>
+    <details open><summary>summary</summary>details</details>
+  </div>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html
new file mode 100644
index 000000000000..b023cfdf96d6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-001.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Test: 'contain: layout' should make elements behave as if they have no baseline</title>
+  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+  <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-layout">
+  <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#valdef-align-items-baseline">
+  <link rel="match" href="contain-layout-suppress-baseline-001-ref.html">
+  <style>
+  .flexBaselineCheck {
+    display: flex;
+    border: 1px solid black;
+    height: 100px;
+  }
+  .flexBaselineCheck > * {
+    contain: layout;
+    border: 2px solid teal;
+    align-self: baseline;
+  }
+  canvas {
+    background: purple;
+    width: 20px;
+    height: 80px;
+    box-sizing: border-box;
+  }
+  .flex {
+    display: flex;
+  }
+  .grid {
+    display: grid;
+  }
+  .multicol {
+    column-count: 2;
+  }
+  </style>
+</head>
+<body>
+  <div class="flexBaselineCheck">
+    <!-- This canvas just exists to establish a precise, far-down baseline
+         alignment position: -->
+    <canvas></canvas>
+    <!-- "contain:layout" should force all the elements below to behave as if
+         they have no baseline. That means they all should *synthesize* a
+         baseline from their border-box edge, in order to participate in flex
+         item baseline alignment (to honor the outer flex container's
+         "align-items:baseline"). So, the expectation here is that all of these
+         elements' border-bottom edges should be aligned. -->
+    <div>block</div>
+    <fieldset><legend>leg</legend>fieldset</fieldset>
+    <div class="flex">flex</div>
+    <div class="grid">grid</div>
+    <div class="multicol">multi<br>col</div>
+    <details open><summary>summary</summary>details</details>
+  </div>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002-ref.html
new file mode 100644
index 000000000000..d4095fd987b8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002-ref.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Reftest Reference</title>
+  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+  <style>
+  .flexBaselineCheck {
+    display: flex;
+    border: 1px solid black;
+    height: 70px;
+  }
+  .flexBaselineCheck > * {
+    border: 2px solid teal;
+
+    /* In the testcase, the (baseline-aligned) items should all have their
+       bottom borders aligned with the 50px-tall canvas.  In other words, their
+       bottom borders should all be 20px away from the bottom of their flex
+       container.  Here in the reference case, we just use "flex-end" alignment
+       plus a hardcoded 20px margin-bottom to produce a precise reference
+       for what that should look like. */
+    align-self: flex-end;
+    margin-bottom: 20px;
+  }
+  canvas {
+    background: purple;
+    width: 20px;
+    height: 50px;
+    box-sizing: border-box;
+  }
+  </style>
+</head>
+<body>
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <button>btn</button>
+    <input type="button" value="i-btn">
+    <input type="submit" value="i-sub">
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="text" value="text">
+    <input type="number" value="0">
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="date">
+    <input type="time">
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="file">
+    <textarea>textarea</textarea>
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <select><option>dropdown</option></select>
+    <select multiple style="max-height:40px"><option>multi</option></select>
+  </div>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html
new file mode 100644
index 000000000000..eb791427c0c8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-layout-suppress-baseline-002.html
@@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Test: 'contain: layout' should make elements behave as if they have no baseline</title>
+  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+  <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-layout">
+  <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#valdef-align-items-baseline">
+  <link rel="match" href="contain-layout-suppress-baseline-001-ref.html">
+  <style>
+  .flexBaselineCheck {
+    display: flex;
+    border: 1px solid black;
+    height: 70px;
+  }
+  .flexBaselineCheck > * {
+    contain: layout;
+    border: 2px solid teal;
+    align-self: baseline;
+  }
+  canvas {
+    background: purple;
+    width: 20px;
+    height: 50px;
+    box-sizing: border-box;
+  }
+  </style>
+</head>
+<body>
+  <div class="flexBaselineCheck">
+    <!-- This canvas just exists to establish a precise, far-down baseline
+         alignment position: -->
+    <canvas></canvas>
+    <!-- "contain:layout" should force all the elements below to behave as if
+         they have no baseline. That means they all should *synthesize* a
+         baseline from their border-box edge, in order to participate in flex
+         item baseline alignment (to honor the outer flex container's
+         "align-items:baseline"). So, the expectation here is that all of these
+         elements' border-bottom edges should be aligned. -->
+    <button>btn</button>
+    <input type="button" value="i-btn">
+    <input type="submit" value="i-sub">
+  </div>
+
+  <!-- Same as above, but with different form controls:
+       (split into multiple flex containers so as not to be too wide): -->
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="text" value="text">
+    <input type="number" value="0">
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="date">
+    <input type="time">
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <input type="file">
+    <textarea>textarea</textarea>
+  </div>
+
+  <div class="flexBaselineCheck">
+    <canvas></canvas>
+    <select><option>dropdown</option></select>
+    <select multiple style="max-height:40px"><option>multi</option></select>
+  </div>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-block-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-block-001.html
index 20272cff8ff2..0ed82ff8fc5b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-block-001.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-block-001.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>CSS Test: 'contain: size' on block elements should cause them to be sized and baseline-aligned as if they had no contents.</title>
+  <title>CSS Test: 'contain: size' on block elements should cause them to be sized as if they had no contents</title>
   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
   <link rel="match" href="contain-size-block-001-ref.html">
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001-ref.html
index 0cb421bae950..efadf9b5df49 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001-ref.html
@@ -7,6 +7,13 @@
   <style>
   button {
     border: 1em solid green;
+    /* In case the testcase's 'inner' text is taller than the button, don't let
+       it influence its line-box's size.  This lets us more-easily compare
+       sizing between empty buttons vs. contained nonempty buttons. */
+    vertical-align: top;
+  }
+  .vaBaseline {
+    vertical-align: baseline;
   }
   .width-ref {
     width: 50px;
@@ -22,6 +29,7 @@
     float: left;
     width: 50px;
   }
+  br { clear: both }
   .iFlexBasic-ref {
     display: inline-flex;
   }
@@ -29,6 +37,11 @@
     display: inline-flex;
     width: 50px;
   }
+  .innerContents {
+    color: transparent;
+    height: 0;
+    width: 0;
+  }
   .orthog-ref {
     writing-mode: vertical-lr;
   }
@@ -50,7 +63,7 @@
   <button class="iFlexWidth-ref"></button>
   <br>
 
-  outside before<button></button>outside after
+  outside before<button class="vaBaseline"><div class="innerContents">inner</div></button>outside after
   <br>
 
   <button class="width-ref"></button>
@@ -65,7 +78,7 @@
   <button class="height-ref"></button>
   <br>
 
-  s<button class="orthog-ref"></button>endtext
+  s<button class="orthog-ref vaBaseline"><div class="innerContents">inner</div></button>endtext
   <br>
 
   <button class="height-ref width-ref">inside</button>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001.html
index 015d33ecc490..b29ef0f3848d 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-button-001.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>CSS Test: 'contain: size' on buttons should cause them to be sized and baseline-aligned as if they had no contents.</title>
+  <title>CSS Test: 'contain: size' on buttons should cause them to be sized as if they had no contents.</title>
   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
   <link rel="match" href="contain-size-button-001-ref.html">
@@ -10,7 +10,13 @@
   button {
     contain: size;
     border: 1em solid green;
-    background: red;
+    /* In case the testcase's 'inner' text is taller than the button, don't let
+       it influence its line-box's size.  This lets us more-easily compare
+       sizing between empty buttons vs. contained nonempty buttons. */
+    vertical-align: top;
+  }
+  .vaBaseline {
+    vertical-align: baseline;
   }
   .innerContents {
     color: transparent;
@@ -38,6 +44,7 @@
     float: left;
     width: 50px;
   }
+  br { clear: both }
   .iFlexBasic {
     display: inline-flex;
   }
@@ -71,8 +78,8 @@
   <button class="iFlexWidth"><div class="innerContents">inner</div></button>
   <br>
 
-  <!--CSS Test: A size-contained button should perform baseline alignment as if the container were empty.-->
-  outside before<button><div class="innerContents">inner</div></button>outside after
+  <!--CSS Test: A size-contained button should perform baseline alignment regularly.-->
+  outside before<button class="vaBaseline"><div class="innerContents">inner</div></button>outside after
   <br>
 
   <!--CSS Test: A size-contained button with specified min-width should render at given min-width and zero height regardless of content.-->
@@ -91,8 +98,8 @@
   <button class="height"><div class="innerContents">inner</div></button>
   <br>
 
-  <!--CSS Test: A size-contained button with vertical text should perform baseline alignment as if the container were empty.-->
-  s<button class="orthog"><div class="innerContents">inner</div></button>endtext
+  <!--CSS Test: A size-contained button with vertical text should perform baseline alignment regularly.-->
+  s<button class="orthog vaBaseline"><div class="innerContents">inner</div></button>endtext
   <br>
 
   <!--CSS Test: A size-contained button with inner text should layout the text in the same manner as a container of the same type with identical contents.-->
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-fieldset-002-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-fieldset-002-ref.html
index 31ca88312da7..198e8e12acc2 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-fieldset-002-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-fieldset-002-ref.html
@@ -5,10 +5,6 @@
   <title>CSS Reftest Reference</title>
   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   <style>
-  .basic {
-    border: none;
-    visibility: hidden;
-  }
   .container {
     border: 10px solid green;
     display: inline-block;
@@ -37,7 +33,7 @@
 </head>
 <body>
   <div class="flexBaselineCheck">
-  outside before<fieldset class="basc">
+  outside before<fieldset>
     <legend>l</legend>
     <div class="innerContents">i</div>
   </fieldset>outside after
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-flex-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-flex-001.html
index 1866dfd230b7..72ab97043b7b 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-flex-001.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-flex-001.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>CSS Test: 'contain: size' on flex elements should cause them to be sized and baseline-aligned as if they had no contents.</title>
+  <title>CSS Test: 'contain: size' on flex elements should cause them to be sized as if they had no contents.</title>
   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
   <link rel="match" href="contain-size-flex-001-ref.html">
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-grid-001.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-grid-001.html
index a85b0a3138de..c81fa1fa1db1 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-grid-001.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-grid-001.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>CSS Test: 'contain: size' on grid elements should cause them to be sized and baseline-aligned as if they had no contents.</title>
+  <title>CSS Test: 'contain: size' on grid elements should cause them to be sized as if they had no contents.</title>
   <link rel="author" title="Gerald Squelart" href="mailto:gsquelart@mozilla.com">
   <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
   <link rel="match" href="contain-size-grid-001-ref.html">
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003-ref.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003-ref.html
index 07b3e5e9b6bd..af927aa268fc 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003-ref.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003-ref.html
@@ -9,6 +9,11 @@
     border: 1em solid green;
     column-count: 3;
   }
+  .innerContents {
+    color: transparent;
+    height: 0;
+    width: 0;
+  }
   .col-width-ref {
     column-width: 20px;
   }
@@ -28,12 +33,14 @@
   </style>
 </head>
 <body>
-  <!-- XXX: This chunk needs to move to a separate test (Bug 1507663)
   <div class="flexBaselineCheck">
-  outside before<div class="basic"></div>outside after
+    outside before
+    <div class="basic" style="max-height:0px">
+      <div class="innerContents">inner</div>
+    </div>
+    outside after
   </div>
   <br>
-  -->
 
   <div class="basic min col-width-ref"></div>
   <br>
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003.html b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003.html
index d2d137864603..447e3cc98dd7 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003.html
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/contain-size-multicol-003.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>CSS Test: 'contain: size' on multicol elements should cause them to be sized and baseline-aligned as if they had no contents.</title>
+  <title>CSS Test: 'contain: size' on multicol elements should cause them to be sized as if they had no contents</title>
   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
   <link rel="match" href="contain-size-multicol-003-ref.html">
@@ -37,13 +37,16 @@
   </style>
 </head>
 <body>
-  <!--CSS Test: A size-contained multicol element should perform baseline alignment as if it had no contents.-->
-  <!-- XXX: This chunk needs to move to a separate test (Bug 1507663)
+  <!-- This test verifies that contain:size doesn't interfere with the
+       determination of a multicol element's baseline. -->
   <div class="flexBaselineCheck">
-  outside before<div class="contain"><div class="innerContents">inner</div></div>outside after
+    outside before
+    <div class="contain">
+      <div class="innerContents">inner</div>
+    </div>
+    outside after
   </div>
   <br>
-  -->
 
   <!--The following tests are used to ensure column-gaps and column-widths continue to contribute to the minimum and maximum width of a size-contained multicol element. Each should render as if it had no contents.-->
 
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/reftest.list b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/reftest.list
index 6b872e79f2e1..c99a7e5af128 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/reftest.list
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/contain/reftest.list
@@ -40,3 +40,5 @@
 == contain-layout-ignored-cases-no-principal-box-001.html contain-paint-ignored-cases-no-principal-box-001-ref.html
 == contain-layout-ignored-cases-no-principal-box-002.html contain-layout-ignored-cases-no-principal-box-002-ref.html
 == contain-layout-ignored-cases-no-principal-box-003.html contain-layout-ignored-cases-no-principal-box-003-ref.html
+== contain-layout-suppress-baseline-001.html contain-layout-suppress-baseline-001-ref.html
+== contain-layout-suppress-baseline-002.html contain-layout-suppress-baseline-002-ref.html
diff --git a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/ui3/reftest.list b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/ui3/reftest.list
index 4e493c8ff47b..c63b1f5a9782 100644
--- a/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/ui3/reftest.list
+++ b/tests/wpt/web-platform-tests/css/vendor-imports/mozilla/mozilla-central-reftests/ui3/reftest.list
@@ -7,4 +7,4 @@
 == box-sizing-content-box-003.xht box-sizing-content-box-003-ref.xht
 == box-sizing-replaced-001.xht box-sizing-replaced-001-ref.xht
 == box-sizing-replaced-002.xht box-sizing-replaced-002-ref.xht
-skip-if(cocoaWidget) == box-sizing-replaced-003.xht box-sizing-replaced-003-ref.xht # Bug 1383454
+== box-sizing-replaced-003.xht box-sizing-replaced-003-ref.xht
diff --git a/tests/wpt/web-platform-tests/custom-elements/reactions/HTMLButtonElement.html b/tests/wpt/web-platform-tests/custom-elements/reactions/HTMLButtonElement.html
new file mode 100644
index 000000000000..90390108b421
--- /dev/null
+++ b/tests/wpt/web-platform-tests/custom-elements/reactions/HTMLButtonElement.html
@@ -0,0 +1,107 @@
+<!DOCTYPE html>
+<title>Custom Elements: CEReactions on HTMLButtonElement interface</title>
+<meta name="author" title="Zhang Xiaoyu" href="xiaoyux.zhang@intel.com">
+<meta name="assert" content=" autofocus, disabled, formAction, formEnctype, formMethod, formNoValidate, formTarget, name, type, value of HTMLButtonElement interface must have CEReactions">
+<meta name="help" content="https://html.spec.whatwg.org/#htmlbuttonelement">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../resources/custom-elements-helpers.js"></script>
+<script src="./resources/reactions.js"></script>
+<body>
+<script>
+
+testReflectAttributeWithContentValues('autofocus', 'autofocus', true, 'true', false, 'false', 'autofocus on HTMLButtonElement', 'button', HTMLButtonElement);
+testReflectAttributeWithContentValues('disabled', 'disabled', true, 'true', false, 'false', 'disabled on HTMLButtonElement', 'button', HTMLButtonElement);
+testReflectAttribute('name', 'name', 'intel', 'intel1', 'name on HTMLButtonElement', 'button', HTMLButtonElement);
+testReflectAttribute('value', 'value', 'HTML', 'CSS', 'value on HTMLButtonElement', 'button', HTMLButtonElement);
+testReflectAttrWithParentNode('type', 'type', 'submit', 'submit', 'reset', 'reset', 'type on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+testReflectAttrWithDepAttr('formAction', 'formaction', 'type', 'intel.asp', 'intel1.asp', 'submit', 'formAction on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+testReflectAttrWithDepAttr('formEnctype', 'formenctype', 'type', 'text/plain', 'multipart/form-data', 'submit', 'formEnctype on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+testReflectAttrWithDepAttr('formMethod', 'formmethod', 'type', 'get', 'post', 'submit', 'formMethod on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+testReflectAttrWithContentValuesAndDepAttr('formNoValidate', 'formnovalidate', 'type', true, 'true', false, 'false', 'submit', 'formNoValidate on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+testReflectAttrWithDepAttr('formTarget', 'formtarget', 'type', '_blank', '_self', 'submit', 'formTarget on HTMLButtonElement', 'button', 'form', HTMLButtonElement);
+
+//In parent node, sub node's observeAttribute can enqueue by changing attribute value 
+//Test reflect attribute with content values and parent node
+function testReflectAttrWithParentNode(jsAtName, coAtName, jsAtValue1, coAtValue1, jsAtValue2, coAtValue2, name, elementName, pElementName, interfaceName) {
+    var parentElement = document.createElement(pElementName);
+    document.body.appendChild(parentElement);
+
+    test(() => {
+        var element = define_build_in_custom_element([coAtName], interfaceName, elementName);
+        var instance = document.createElement(elementName, { is: element.name });
+
+        assert_array_equals(element.takeLog().types(), ['constructed']);
+        parentElement.appendChild(instance);
+        assert_array_equals(element.takeLog().types(), ['connected']);
+        instance[jsAtName] = jsAtValue1;
+        var logEntries = element.takeLog();
+        assert_array_equals(logEntries.types(), ['attributeChanged']);
+        assert_attribute_log_entry(logEntries.last(), { name: coAtName, oldValue: null, newValue: coAtValue1, namespace: null });
+
+    }, name + ' must enqueue an attributeChanged reaction when adding a new attribute');
+
+    test(() => {
+        var element = define_build_in_custom_element([coAtName], interfaceName, elementName);
+        var instance = document.createElement(elementName, { is: element.name });
+        parentElement.appendChild(instance);
+
+        assert_array_equals(element.takeLog().types(), ['constructed', 'connected']);
+        instance[jsAtName] = jsAtValue1;
+        assert_array_equals(element.takeLog().types(), ['attributeChanged']);
+        instance[jsAtName] = jsAtValue2;
+        var logEntries = element.takeLog();
+        assert_array_equals(logEntries.types(), ['attributeChanged']);
+        assert_attribute_log_entry(logEntries.last(), { name: coAtName, oldValue: coAtValue1, newValue: coAtValue2, namespace: null });
+
+    }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');
+
+    parentElement.parentNode.removeChild(parentElement);
+}
+
+//In parent node, sub node's observeAttribute which depends another attribute can enqueue by changing attribute value
+//Test reflect attribute with content values and dependent attribute 
+function testReflectAttrWithContentValuesAndDepAttr(jsAtName, coAtName, deAtName, jsAtValue1, coAtValue1, jsAtValue2, coAtValue2, deAtValue, name, elementName, pElementName, interfaceName) {
+    var parentElement = document.createElement(pElementName);
+    document.body.appendChild(parentElement);
+
+    test(() => {
+        var element = define_build_in_custom_element([coAtName], interfaceName, elementName);
+        var instance = document.createElement(elementName, { is: element.name });
+
+        assert_array_equals(element.takeLog().types(), ['constructed']);
+        parentElement.appendChild(instance);
+        assert_array_equals(element.takeLog().types(), ['connected']);
+        instance.setAttribute(deAtName, deAtValue);
+        instance[jsAtName] = jsAtValue1;
+        var logEntries = element.takeLog();
+        assert_array_equals(logEntries.types(), ['attributeChanged']);
+        assert_attribute_log_entry(logEntries.last(), { name: coAtName, oldValue: null, newValue: coAtValue1, namespace: null });
+
+    }, name + ' must enqueue an attributeChanged reaction when adding a new attribute');
+
+    test(() => {
+        var element = define_build_in_custom_element([coAtName], interfaceName, elementName);
+        var instance = document.createElement(elementName, { is: element.name });
+        parentElement.appendChild(instance);
+        instance.setAttribute(deAtName, deAtValue);
+        instance[jsAtName] = jsAtValue1;
+
+        assert_array_equals(element.takeLog().types(), ['constructed', 'connected', 'attributeChanged']);
+        instance[jsAtName] = jsAtValue2;
+        var logEntries = element.takeLog();
+        assert_array_equals(logEntries.types(), ['attributeChanged']);
+        assert_attribute_log_entry(logEntries.last(), { name: coAtName, oldValue: coAtValue1, newValue: coAtValue2, namespace: null });
+
+    }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');
+
+    parentElement.parentNode.removeChild(parentElement);
+}
+
+//Package reflect attribute with dependent attribute
+function testReflectAttrWithDepAttr(jsAtName, coAtName, deAtName, jsAtValue1, jsAtValue2, deAtValue, name, elementName, pElementName, interfaceName) {
+    testReflectAttrWithContentValuesAndDepAttr(jsAtName, coAtName, deAtName, jsAtValue1, jsAtValue1, jsAtValue2, jsAtValue2, deAtValue, name, elementName, pElementName, interfaceName);
+}
+
+</script>
+</body>
diff --git a/tests/wpt/web-platform-tests/custom-elements/reactions/resources/reactions.js b/tests/wpt/web-platform-tests/custom-elements/reactions/resources/reactions.js
index 43ce4fd7ad83..6ac7ab838d9a 100644
--- a/tests/wpt/web-platform-tests/custom-elements/reactions/resources/reactions.js
+++ b/tests/wpt/web-platform-tests/custom-elements/reactions/resources/reactions.js
@@ -126,10 +126,15 @@ function testCloner(testFunction, name) {
     }, name + ' must enqueue an attributeChanged reaction when cloning an element only for observed attributes');
 }
 
-function testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, contentValue1, validValue2, contentValue2, name) {
+function testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, contentValue1, validValue2, contentValue2, name, elementName, interfaceName) {
     test(function () {
-        var element = define_new_custom_element([contentAttributeName]);
-        var instance = document.createElement(element.name);
+        if (elementName === undefined) {
+            var element = define_new_custom_element([contentAttributeName]);
+            var instance = document.createElement(element.name);
+        } else {
+            var element = define_build_in_custom_element([contentAttributeName], interfaceName, elementName);
+            var instance = document.createElement(elementName, { is: element.name });
+        }
         assert_array_equals(element.takeLog().types(), ['constructed']);
         instance[jsAttributeName] = validValue1;
         var logEntries = element.takeLog();
@@ -139,8 +144,13 @@ function testReflectAttributeWithContentValues(jsAttributeName, contentAttribute
     }, name + ' must enqueue an attributeChanged reaction when adding ' + contentAttributeName + ' content attribute');
 
     test(function () {
-        var element = define_new_custom_element([contentAttributeName]);
-        var instance = document.createElement(element.name);
+        if (elementName === undefined) {
+            var element = define_new_custom_element([contentAttributeName]);
+            var instance = document.createElement(element.name);
+        } else {
+            var element = define_build_in_custom_element([contentAttributeName], interfaceName, elementName);
+            var instance = document.createElement(elementName, { is: element.name });
+        }
         instance[jsAttributeName] = validValue1;
         assert_array_equals(element.takeLog().types(), ['constructed', 'attributeChanged']);
         instance[jsAttributeName] = validValue2;
@@ -150,8 +160,8 @@ function testReflectAttributeWithContentValues(jsAttributeName, contentAttribute
     }, name + ' must enqueue an attributeChanged reaction when replacing an existing attribute');
 }
 
-function testReflectAttribute(jsAttributeName, contentAttributeName, validValue1, validValue2, name) {
-    testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, validValue1, validValue2, validValue2, name);
+function testReflectAttribute(jsAttributeName, contentAttributeName, validValue1, validValue2, name, elementName, interfaceName) {
+    testReflectAttributeWithContentValues(jsAttributeName, contentAttributeName, validValue1, validValue1, validValue2, validValue2, name, elementName, interfaceName);
 }
 
 function testReflectBooleanAttribute(jsAttributeName, contentAttributeName, name) {
diff --git a/tests/wpt/web-platform-tests/custom-elements/resources/navigation-destination.html b/tests/wpt/web-platform-tests/custom-elements/resources/navigation-destination.html
new file mode 100644
index 000000000000..50e28f0ed87f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/custom-elements/resources/navigation-destination.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+ <html>
+ <body>
+ <p>Navigated!</p>
+ <script>
+ parent.postMessage('didNavigate', '*');
+ </script>
+ </body>
+ </html>
diff --git a/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html b/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html
new file mode 100644
index 000000000000..b8f00aaa161d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-construct.html
@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+ <html>
+ <head>
+ <title>Custom Elements: create an element for a token must increment and decrement document's throw-on-dynamic-markup-insertion counter</title>
+ <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+ <meta name="assert" content="Invoking document.open, document.write, document.writeln, and document.write must throw an exception when the HTML parser is creating a custom element for a token">
+ <meta name="help" content="https://html.spec.whatwg.org/multipage/parsing.html#create-an-element-for-the-token">
+ <meta name="help" content="https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#throw-on-dynamic-markup-insertion-counter">
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ <script src="/resources/custom-elements-helpers.js"></script>
+ </head>
+ <body>
+ <div id="log"></div>
+ <script>
+ 
+ async function construct_custom_element_in_parser(test, call_function)
+ {
+     const window = await create_window_in_test(test);
+     const document = window.document;
+ 
+     document.open();
+ 
+     let executed = false;
+     let exception = null;
+     class CustomElement extends window.HTMLElement {
+         constructor() {
+             super();
+             try {
+                 call_function(document, window);
+             } catch (error) {
+                 exception = error;
+             }
+             executed = true;
+         }
+     }
+     window.customElements.define('some-element', CustomElement);
+ 
+     document.write('<!DOCTYPE html><html><body><some-element></some-element></body></html>');
+     document.close();
+ 
+     assert_true(executed, 'Must synchronously instantiate a custom element');
+     return {window, document, exception};
+ }
+ 
+ promise_test(async function () {
+     const result = await construct_custom_element_in_parser(this, (document) => document.open());
+     assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+ }, 'document.open() must throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const result = await construct_custom_element_in_parser(this, (document) => document.open('text/html'));
+     assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+ }, 'document.open("text/html") must throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ // https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#dom-document-open-window
+ promise_test(async function () {
+     let load_promise = new Promise((resolve) => window.onmessage = (event) => resolve(event.data));
+     const result = await construct_custom_element_in_parser(this, (document, window) => document.open('resources/navigation-destination.html', '_self', ''));
+     assert_equals(result.exception, null);
+     assert_equals(await load_promise, 'didNavigate');
+ }, 'document.open(URL) must NOT throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const result = await construct_custom_element_in_parser(this, (document) => document.close());
+     assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+ }, 'document.close() must throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const result = await construct_custom_element_in_parser(this, (document) => document.write('<b>some text</b>'));
+     assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+     assert_equals(result.document.querySelector('b'), null, 'Must not insert new content');
+     assert_false(result.document.documentElement.innerHTML.includes('some text'), 'Must not insert new content');
+ }, 'document.write must throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const result = await construct_custom_element_in_parser(this, (document) => document.writeln('<b>some text</b>'));
+     assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+     assert_equals(result.document.querySelector('b'), null, 'Must not insert new content');
+     assert_false(result.document.documentElement.innerHTML.includes('some text'), 'Must not insert new content');
+ }, 'document.writeln must throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const another_window = await create_window_in_test(this);
+     const result = await construct_custom_element_in_parser(this, (document) => another_window.document.open());
+     assert_equals(result.exception, null);
+ }, 'document.open() of another document must not throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const another_window = await create_window_in_test(this);
+     const result = await construct_custom_element_in_parser(this, (document) => another_window.document.open('text/html'));
+     assert_equals(result.exception, null);
+ }, 'document.open("text/html") of another document must not throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const another_window = await create_window_in_test(this);
+     const result = await construct_custom_element_in_parser(this, (document) => another_window.document.close());
+     assert_equals(result.exception, null);
+ }, 'document.close() of another document must not throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const another_window = await create_window_in_test(this);
+     const result = await construct_custom_element_in_parser(this, (document) => another_window.document.write('<b>some text</b>'));
+     assert_equals(result.exception, null);
+     assert_equals(another_window.document.querySelector('b').outerHTML, '<b>some text</b>');
+ }, 'document.write of another document must not throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ promise_test(async function () {
+     const another_window = await create_window_in_test(this);
+     const result = await construct_custom_element_in_parser(this, (document) => another_window.document.writeln('<b>some text</b>'));
+     assert_equals(result.exception, null);
+     assert_equals(another_window.document.querySelector('b').outerHTML, '<b>some text</b>');
+ }, 'document.writeln of another document must not throw an InvalidStateError when synchronously constructing a custom element');
+ 
+ </script>
+ </body>
+ </html>
diff --git a/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html b/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html
new file mode 100644
index 000000000000..addcdf3cec58
--- /dev/null
+++ b/tests/wpt/web-platform-tests/custom-elements/throw-on-dynamic-markup-insertion-counter-reactions.html
@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Custom Elements: create an element for a token must increment and decrement document's throw-on-dynamic-markup-insertion counter</title>
+<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
+<meta name="assert" content="Invoking document.open, document.write, document.writeln, and document.write must throw an exception when the HTML parser is creating a custom element for a token">
+ <meta name="help" content="https://html.spec.whatwg.org/multipage/parsing.html#create-an-element-for-the-token">
+<meta name="help" content="https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#throw-on-dynamic-markup-insertion-counter">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/custom-elements-helpers.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script>
+
+async function custom_element_reactions_in_parser(test, call_function)
+{
+    const window = await create_window_in_test(test);
+    const document = window.document;
+
+    document.open();
+ 
+    let executed = false;
+    let exception = null;
+    class CustomElement extends window.HTMLElement {
+        attributeChangedCallback(name, oldValue, newValue) {
+            try {
+                call_function(document, window);
+            } catch (error) {
+                exception = error;
+            }
+           executed = true;
+        }
+    }
+    CustomElement.observedAttributes = ['title'];
+    window.customElements.define('some-element', CustomElement);
+ 
+    document.write('<!DOCTYPE html><html><body><some-element title="some title"></some-element></body></html>');
+    document.close();
+
+    assert_true(executed, 'Must immediately process custom element reactions for setting attributes');
+    return {frameElement, window, document, exception};
+}
+
+promise_test(async function () {
+    const result = await custom_element_reactions_in_parser(this, (document) => document.open());
+    assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+}, 'document.open() must throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+ 
+promise_test(async function () {
+    const result = await custom_element_reactions_in_parser(this, (document) => document.open('text/html'));
+    assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+}, 'document.open("text/html") must throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+ 
+// https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#dom-document-open-window
+promise_test(async function () {
+    let load_promise = new Promise((resolve) => window.onmessage = (event) => resolve(event.data));
+    const result = await custom_element_reactions_in_parser(this, (document, window) => document.open('resources/navigation-destination.html', '_self', ''));
+    assert_equals(result.exception, null);
+    assert_equals(await load_promise, 'didNavigate');
+}, 'document.open(URL) must NOT throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const result = await custom_element_reactions_in_parser(this, (document) => document.close());
+    assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+}, 'document.close() must throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const result = await custom_element_reactions_in_parser(this, (document) => document.write('<b>some text</b>'));
+    assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+    assert_equals(result.document.querySelector('b'), null, 'Must not insert new content');
+    assert_false(result.document.documentElement.innerHTML.includes('some text'), 'Must not insert new content');
+}, 'document.write must throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const result = await custom_element_reactions_in_parser(this, (document) => document.writeln('<b>some text</b>'));
+    assert_throws('InvalidStateError', () => { throw result.exception; }, 'Must throw an InvalidStateError');
+    assert_equals(result.document.querySelector('b'), null, 'Must not insert new content');
+    assert_false(result.document.documentElement.innerHTML.includes('some text'), 'Must not insert new content');
+}, 'document.writeln must throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const another_window = await create_window_in_test(this);
+    const result = await custom_element_reactions_in_parser(this, (document) => another_window.document.open());
+    assert_equals(result.exception, null);
+}, 'document.open() of another document must not throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const another_window = await create_window_in_test(this);
+    const result = await custom_element_reactions_in_parser(this, (document) => another_window.document.open('text/html'));
+    assert_equals(result.exception, null);
+}, 'document.open("text/html") of another document must not throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const another_window = await create_window_in_test(this);
+    const result = await custom_element_reactions_in_parser(this, (document) => another_window.document.close());
+    assert_equals(result.exception, null);
+}, 'document.close() of another document must not throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const another_window = await create_window_in_test(this);
+    const result = await custom_element_reactions_in_parser(this, (document) => another_window.document.write('<b>some text</b>'));
+    assert_equals(result.exception, null);
+    assert_equals(another_window.document.querySelector('b').outerHTML, '<b>some text</b>');
+}, 'document.write of another document must not throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+promise_test(async function () {
+    const another_window = await create_window_in_test(this);
+    const result = await custom_element_reactions_in_parser(this, (document) => another_window.document.writeln('<b>some text</b>'));
+    assert_equals(result.exception, null);
+    assert_equals(another_window.document.querySelector('b').outerHTML, '<b>some text</b>');
+}, 'document.writeln of another document must not throw an InvalidStateError when processing custom element reactions for a synchronous constructed custom element');
+
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/docs/_reviewing-tests/email.md b/tests/wpt/web-platform-tests/docs/_reviewing-tests/email.md
index 84920ef84fbd..3508ebd4c38f 100644
--- a/tests/wpt/web-platform-tests/docs/_reviewing-tests/email.md
+++ b/tests/wpt/web-platform-tests/docs/_reviewing-tests/email.md
@@ -6,6 +6,6 @@ order: 3
 
 See the [GitHub support page](https://help.github.com/articles/about-email-notifications/)
 for how to filter certain types of email notifications. However, the most
-useful `Cc` email address is not listed on that page:
-`review_requested@noreply.github.com` is for when you are added as a reviewer
-on a pull request.
+useful `Cc` email addresses are not listed on that page:
+- `review_requested@noreply.github.com` when you are added as a (suggested) `reviewer` on a pull request.
+- `assign@noreply.github.com` when you are added as the `assignee` (i.e. as _the_ reviewer) on a pull request.
diff --git a/tests/wpt/web-platform-tests/dom/events/Event-timestamp-safe-resolution.html b/tests/wpt/web-platform-tests/dom/events/Event-timestamp-safe-resolution.html
index 5009c8a4ec07..24f2dec93c5a 100644
--- a/tests/wpt/web-platform-tests/dom/events/Event-timestamp-safe-resolution.html
+++ b/tests/wpt/web-platform-tests/dom/events/Event-timestamp-safe-resolution.html
@@ -45,5 +45,5 @@
 
   const minResolution = estimateMinimumResolution(samples);
   assert_greater_than_equal(minResolution, 5);
-}, 'Event timestamp should not have a resolution better that 5 microseconds');
+}, 'Event timestamp should not have a resolution better than 5 microseconds');
 </script>
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/encrypted-media/scripts/waiting-for-a-key.js b/tests/wpt/web-platform-tests/encrypted-media/scripts/waiting-for-a-key.js
index fee70e24ae03..fdfb855677f3 100644
--- a/tests/wpt/web-platform-tests/encrypted-media/scripts/waiting-for-a-key.js
+++ b/tests/wpt/web-platform-tests/encrypted-media/scripts/waiting-for-a-key.js
@@ -101,7 +101,7 @@ function runTest(config)
 
         // Typical test duration is 6 seconds on release builds
         // (12 seconds on debug).
-    }, 'Waiting for a key.', {timeout: 20000});
+    }, 'Waiting for a key.');
 
     // Wait for an 'encrypted' event
     function wait_for_encrypted_event(video)
diff --git a/tests/wpt/web-platform-tests/eventsource/event-data.html b/tests/wpt/web-platform-tests/eventsource/event-data.html
index 8f74a0178351..3751f8e7b1cf 100644
--- a/tests/wpt/web-platform-tests/eventsource/event-data.html
+++ b/tests/wpt/web-platform-tests/eventsource/event-data.html
@@ -20,7 +20,7 @@
   <body>
     <div id="log"></div>
     <script>
-      var test = async_test(document.title);
+      var test = async_test();
       test.step(function() {
         var source = new EventSource("resources/message2.py"),
             counter = 0;
diff --git a/tests/wpt/web-platform-tests/eventsource/format-field-retry-bogus.htm b/tests/wpt/web-platform-tests/eventsource/format-field-retry-bogus.htm
index 0cdf9b4f186e..56d3ff4562bc 100644
--- a/tests/wpt/web-platform-tests/eventsource/format-field-retry-bogus.htm
+++ b/tests/wpt/web-platform-tests/eventsource/format-field-retry-bogus.htm
@@ -8,7 +8,7 @@
   <body>
     <div id="log"></div>
     <script>
-      var test = async_test(document.title)
+      var test = async_test()
       test.step(function() {
         var timeoutms = 3000,
             source = new EventSource("resources/message.py?message=retry%3A3000%0Aretry%3A1000x%0Adata%3Ax"),
diff --git a/tests/wpt/web-platform-tests/eventsource/format-field-retry.htm b/tests/wpt/web-platform-tests/eventsource/format-field-retry.htm
index 133794f6290f..5f2fe7b43300 100644
--- a/tests/wpt/web-platform-tests/eventsource/format-field-retry.htm
+++ b/tests/wpt/web-platform-tests/eventsource/format-field-retry.htm
@@ -8,7 +8,7 @@
   <body>
     <div id="log"></div>
     <script>
-      var test = async_test(document.title);
+      var test = async_test();
       test.step(function() {
         var timeoutms = 3000,
             timeoutstr = "03000", // 1536 in octal, but should be 3000
diff --git a/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-allowed-for-some.https.sub.html b/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-allowed-for-some.https.sub.html
index cce2fdb1b9f7..ade5dda4d9dd 100644
--- a/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-allowed-for-some.https.sub.html
+++ b/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-allowed-for-some.https.sub.html
@@ -16,8 +16,8 @@
   // Test that fullscreen's allowlist is [same_origin, cross_origin, 'https://www.example.com']
   test(function() {
     assert_array_equals(
-      document.policy.getAllowlistForFeature('fullscreen'),
-      [same_origin, cross_origin, 'https://www.example.com']);
+      document.policy.getAllowlistForFeature('fullscreen').sort(),
+      [same_origin, cross_origin, 'https://www.example.com'].sort());
   }, header_policy + ' -- test allowlist is [same_origin, cross_origin, https://www.example.com]');
 
   // Test that fullscreen is allowed on same_origin, some cross_origin subframes.
diff --git a/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-declined.https.sub.html b/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-declined.https.sub.html
index b148df17caf1..531c919aa035 100644
--- a/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-declined.https.sub.html
+++ b/tests/wpt/web-platform-tests/feature-policy/feature-policy-header-policy-declined.https.sub.html
@@ -17,7 +17,7 @@
   test(function() {
     assert_array_equals(
       document.policy.getAllowlistForFeature('fullscreen'),
-      [cross_origin, 'https://www.example.com']);
+      [cross_origin, 'https://www.example.com'].sort());
   }, header_policy + ' -- test allowlist is [cross_origin, https://www.example.com]');
 
   // Test that fullscreen is disallowed on same_origin, allowed on some cross_origin subframes.
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/README.md b/tests/wpt/web-platform-tests/fetch/content-type/README.md
new file mode 100644
index 000000000000..3a9d1bd7266b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/README.md
@@ -0,0 +1,20 @@
+# `resources/content-types.json`
+
+An array of tests. Each test has these fields:
+
+* `contentType`: an array of values for the `Content-Type` header. A harness needs to run the test twice if there are multiple values. One time with the values concatenated with `,` followed by a space and one time with multiple `Content-Type` declarations, each on their own line with one of the values, in order.
+* `encoding`: the expected encoding, null for the default.
+* `mimeType`: the result of extracing a MIME type and serializing it.
+* `documentContentType`: the MIME type expected to be exposed in DOM documents.
+
+(These tests are currently somewhat geared towards browser use, but could be generalized easily enough if someone wanted to contribute tests for MIME types that would cause downloads in the browser or some such.)
+
+# `resources/script-content-types.json`
+
+An array of tests, surprise. Each test has these fields:
+
+* `contentType`: see above.
+* `executes`: whether the script is expected to execute.
+* `encoding`: how the script is expected to be decoded.
+
+These tests are expected to be loaded through `<script src>` and the server is expected to set `X-Content-Type-Options: nosniff`.
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/resources/content-type.py b/tests/wpt/web-platform-tests/fetch/content-type/resources/content-type.py
new file mode 100644
index 000000000000..0b5e93b937c2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/resources/content-type.py
@@ -0,0 +1,15 @@
+def main(request, response):
+    values = request.GET.get_list("value")
+    content = request.GET.first("content", "<b>hi</b>\n")
+    output =  "HTTP/1.1 200 OK\r\n"
+    output += "X-Content-Type-Options: nosniff\r\n"
+    if "single_header" in request.GET:
+        output += "Content-Type: " + ",".join(values) + "\r\n"
+    else:
+        for value in values:
+            output += "Content-Type: " + value + "\r\n"
+    output += "Content-Length: " + str(len(content)) + "\r\n"
+    output += "\r\n"
+    output += content
+    response.writer.write(output)
+    response.close_connection = True
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/resources/content-types.json b/tests/wpt/web-platform-tests/fetch/content-type/resources/content-types.json
new file mode 100644
index 000000000000..9578fc503cf7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/resources/content-types.json
@@ -0,0 +1,122 @@
+[
+  {
+    "contentType": ["", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/plain", ""],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/html", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/plain;charset=gbk", "text/html"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/plain;charset=gbk", "text/html;charset=windows-1254"],
+    "encoding": "windows-1254",
+    "mimeType": "text/html;charset=windows-1254",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/plain;charset=gbk", "text/plain"],
+    "encoding": "GBK",
+    "mimeType": "text/plain;charset=gbk",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/plain;charset=gbk", "text/plain;charset=windows-1252"],
+    "encoding": "windows-1252",
+    "mimeType": "text/plain;charset=windows-1252",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/html;charset=gbk", "text/html;x=\",text/plain"],
+    "encoding": "GBK",
+    "mimeType": "text/html;x=\",text/plain\";charset=gbk",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/plain;charset=gbk;x=foo", "text/plain"],
+    "encoding": "GBK",
+    "mimeType": "text/plain;charset=gbk",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/html;charset=gbk", "text/plain", "text/html"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/plain", "*/*"],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/html", "*/*"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["*/*", "text/html"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/plain", "*/*;charset=gbk"],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  },
+  {
+    "contentType": ["text/html", "*/*;charset=gbk"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/html;x=\"", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/html;x=\", text/plain\"",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/html;\"", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/html;\"", "\\\"", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/html",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/html;\"", "\\\"", "text/plain", "\";charset=GBK"],
+    "encoding": "GBK",
+    "mimeType": "text/html;charset=GBK",
+    "documentContentType": "text/html"
+  },
+  {
+    "contentType": ["text/html;\"",  "\"", "text/plain"],
+    "encoding": null,
+    "mimeType": "text/plain",
+    "documentContentType": "text/plain"
+  }
+]
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/resources/script-content-types.json b/tests/wpt/web-platform-tests/fetch/content-type/resources/script-content-types.json
new file mode 100644
index 000000000000..b8a843bcd82e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/resources/script-content-types.json
@@ -0,0 +1,92 @@
+[
+  {
+    "contentType": ["text/javascript;charset=windows-1252"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["text/javascript;\";charset=windows-1252"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["text/javascript\u000C"],
+    "executes": false,
+    "encoding": null
+  },
+  {
+    "contentType": ["\"text/javascript\""],
+    "executes": false,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/ javascript"],
+    "executes": false,
+    "encoding": null
+  },
+  {
+    "contentType": ["text /javascript"],
+    "executes": false,
+    "encoding": null
+  },
+  {
+    "contentType": ["x/x", "text/javascript"],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["x/x;charset=windows-1252", "text/javascript"],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript", "x/x"],
+    "executes": false,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript; charset=windows-1252", "text/javascript"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["text/javascript;\"", "x/x"],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript", ""],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript", "error"],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript;charset=windows-1252", "x/x", "text/javascript"],
+    "executes": true,
+    "encoding": null
+  },
+  {
+    "contentType": ["text/javascript;charset=windows-1252", "error", "text/javascript"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["text/javascript;charset=windows-1252", "", "text/javascript"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["text/javascript;charset=windows-1252;\"", "\\\"", "x/x"],
+    "executes": true,
+    "encoding": "windows-1252"
+  },
+  {
+    "contentType": ["x/x;\"", "x/y;\\\"", "text/javascript;charset=windows-1252;\"", "text/javascript"],
+    "executes": true,
+    "encoding": null
+  }
+]
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/response.window.js b/tests/wpt/web-platform-tests/fetch/content-type/response.window.js
new file mode 100644
index 000000000000..746f51c9bb51
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/response.window.js
@@ -0,0 +1,72 @@
+promise_test(() => {
+  return fetch("resources/content-types.json").then(res => res.json()).then(runTests);
+}, "Loading JSON…");
+
+function runTests(tests) {
+  tests.forEach(testUnit => {
+    runFrameTest(testUnit, false);
+    runFrameTest(testUnit, true);
+    runFetchTest(testUnit, false);
+    runFetchTest(testUnit, true);
+    runRequestResponseTest(testUnit, "Request");
+    runRequestResponseTest(testUnit, "Response");
+  });
+}
+
+function runFrameTest(testUnit, singleHeader) {
+  // Note: window.js is always UTF-8
+  const encoding = testUnit.encoding !== null ? testUnit.encoding : "UTF-8";
+  async_test(t => {
+    const frame = document.body.appendChild(document.createElement("iframe"));
+    t.add_cleanup(() => frame.remove());
+    frame.src = getURL(testUnit.contentType, singleHeader);
+    frame.onload = t.step_func_done(() => {
+      // Edge requires toUpperCase()
+      const doc = frame.contentDocument;
+      assert_equals(doc.characterSet.toUpperCase(), encoding.toUpperCase());
+      if (testUnit.documentContentType === "text/plain") {
+        assert_equals(doc.body.textContent, "<b>hi</b>\n");
+      } else if (testUnit.documentContentType === "text/html") {
+        assert_equals(doc.body.firstChild.localName, "b");
+        assert_equals(doc.body.firstChild.textContent, "hi");
+      }
+      assert_equals(doc.contentType, testUnit.documentContentType);
+    });
+  }, getDesc("<iframe>", testUnit.contentType, singleHeader));
+}
+
+function getDesc(type, input, singleHeader) {
+  return type + ": " + (singleHeader ? "combined" : "separate") + " response Content-Type: " + input.join(" ");
+}
+
+function getURL(input, singleHeader) {
+  // Edge does not support URLSearchParams
+  let url = "resources/content-type.py?"
+  if (singleHeader) {
+    url += "single_header&"
+  }
+  input.forEach(val => {
+    url += "value=" + encodeURIComponent(val) + "&";
+  });
+  return url;
+}
+
+function runFetchTest(testUnit, singleHeader) {
+  promise_test(async t => {
+    const blob = await (await fetch(getURL(testUnit.contentType, singleHeader))).blob();
+    assert_equals(blob.type, testUnit.mimeType);
+  }, getDesc("fetch()", testUnit.contentType, singleHeader));
+}
+
+function runRequestResponseTest(testUnit, stringConstructor) {
+  promise_test(async t => {
+    // Cannot give Response a body as that will set Content-Type, but Request needs a URL
+    const constructorArgument = stringConstructor === "Request" ? "about:blank" : undefined;
+    const r = new self[stringConstructor](constructorArgument);
+    testUnit.contentType.forEach(val => {
+      r.headers.append("Content-Type", val);
+    });
+    const blob = await r.blob();
+    assert_equals(blob.type, testUnit.mimeType);
+  }, getDesc(stringConstructor, testUnit.contentType, true));
+}
diff --git a/tests/wpt/web-platform-tests/fetch/content-type/script.window.js b/tests/wpt/web-platform-tests/fetch/content-type/script.window.js
new file mode 100644
index 000000000000..88584ce9c21b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/content-type/script.window.js
@@ -0,0 +1,48 @@
+promise_test(() => {
+  return fetch("resources/script-content-types.json").then(res => res.json()).then(runTests);
+}, "Loading JSON…");
+
+self.stringFromExecutedScript = undefined;
+
+function runTests(allTestData) {
+  allTestData.forEach(testData => {
+    runScriptTest(testData, false);
+    if (testData.contentType.length > 1) {
+      runScriptTest(testData, true);
+    }
+  });
+}
+
+function runScriptTest(testData, singleHeader) {
+  async_test(t => {
+    const script = document.createElement("script");
+      t.add_cleanup(() => {
+      script.remove()
+      self.stringFromExecutedScript = undefined;
+    });
+    script.src = getURL(testData.contentType, singleHeader);
+    document.head.appendChild(script);
+    if (testData.executes) {
+      script.onload = t.step_func_done(() => {
+        assert_equals(self.stringFromExecutedScript, testData.encoding === "windows-1252" ? "€" : "€");
+      });
+      script.onerror = t.unreached_func();
+    } else {
+      script.onerror = t.step_func_done();
+      script.onload = t.unreached_func();
+    }
+  }, (singleHeader ? "combined" : "separate") + " " + testData.contentType.join(" "));
+}
+
+function getURL(input, singleHeader) {
+  // Edge does not support URLSearchParams
+  let url = "resources/content-type.py?"
+  if (singleHeader) {
+    url += "single_header&"
+  }
+  input.forEach(val => {
+    url += "value=" + encodeURIComponent(val) + "&";
+  });
+  url += "&content=" + encodeURIComponent("self.stringFromExecutedScript = \"€\"");
+  return url;
+}
diff --git a/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-allowed-cross-origin-manual.sub.html b/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-allowed-cross-origin-manual.sub.html
index 92d499bc691b..b3e43c780699 100644
--- a/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-allowed-cross-origin-manual.sub.html
+++ b/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-allowed-cross-origin-manual.sub.html
@@ -26,7 +26,9 @@
   elem.addEventListener('load', () => {
     trusted_click(t, () => {
       elem.contentWindow.postMessage({"action": "report"}, "*");
-    }, document.body);
+    }, elem.contentDocument.body);
+    // TODO(mustaq): The click above should activate the subframe.  But
+    // elem.contentDocument is inaccessible (null) from a cross origin parent!
   });
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html b/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html
new file mode 100644
index 000000000000..66d9c4316137
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fullscreen/api/element-ready-check-containing-iframe-manual.tentative.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!--
+   Tentative,  due to:
+     https://github.com/whatwg/html/issues/1903
+   Once the issue is resolved, this test would replace the corresponding
+   non-tentative test (element-ready-check-containing-iframe-manual.html)
+-->
+<title>Element ready check for containing iframe</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../trusted-click.js"></script>
+<div id="log"></div>
+<iframe allowfullscreen></iframe>
+<iframe allowfullscreen></iframe>
+<script>
+// wait for load event to avoid https://bugzil.la/1493878
+window.onload = function() {
+  async_test(function(t) {
+      var iframes = document.getElementsByTagName("iframe");
+      trusted_request(t, iframes[0].contentDocument.body, iframes[0].contentDocument.body);
+      iframes[0].contentDocument.onfullscreenchange = t.step_func(function() {
+          assert_equals(document.fullscreenElement, iframes[0]);
+          trusted_request(t, iframes[1].contentDocument.body, iframes[0].contentDocument.body);
+          iframes[1].contentDocument.onfullscreenchange = t.unreached_func("fullscreenchange event");
+          iframes[1].contentDocument.onfullscreenerror = t.step_func_done();
+      });
+  });
+};
+</script>
diff --git a/tests/wpt/web-platform-tests/fullscreen/api/element-request-fullscreen-two-iframes-manual.html b/tests/wpt/web-platform-tests/fullscreen/api/element-request-fullscreen-two-iframes-manual.html
index 94b38c0302a5..df5ee2a91b74 100644
--- a/tests/wpt/web-platform-tests/fullscreen/api/element-request-fullscreen-two-iframes-manual.html
+++ b/tests/wpt/web-platform-tests/fullscreen/api/element-request-fullscreen-two-iframes-manual.html
@@ -21,19 +21,27 @@
     assert_in_array(document.fullscreenElement, [a, b]);
     order.push(document.fullscreenElement.id);
     if (order.length == 2) {
-      // Since fullscreenchange event occurs at animation frame timing we might
-      // have not seen the transition from null -> 'b' but just see the
-      // resulting 'a' transition twice.
+      // When the second event arrived, the fullscreen element may still be the
+      // old one.
+      //
+      // TODO(mustaq): We need a better explanation here to cover the tree-order
+      // idea of the spec.
       assert_true(order[0] == 'a' || order[0] == 'b', 'first id seen is a or b');
-      assert_true(order[1] == 'a', 'second id seen is b');
+      assert_true(order[1] == 'a', 'second id seen is a');
       t.done();
     }
   });
   document.onfullscreenerror = t.unreached_func('fullscreenerror event');
 
+  // Make a trusted click on frame 'b' to activate it.
   trusted_click(t, () => {
-    b.contentDocument.body.requestFullscreen();
-    a.contentDocument.body.requestFullscreen();
-  }, document.body);
+    // Now queue a trusted click on frame 'a' to make back-to-back calls.
+    setTimeout(() => {
+      trusted_click(t, () => {
+        b.contentDocument.body.requestFullscreen();
+        a.contentDocument.body.requestFullscreen();
+      }, a.contentDocument.body);
+    }, 0);
+  }, b.contentDocument.body);
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/geolocation-API/getCurrentPosition_IDL.https.html b/tests/wpt/web-platform-tests/geolocation-API/getCurrentPosition_IDL.https.html
index 2a85505b8432..75426fc3b99d 100644
--- a/tests/wpt/web-platform-tests/geolocation-API/getCurrentPosition_IDL.https.html
+++ b/tests/wpt/web-platform-tests/geolocation-API/getCurrentPosition_IDL.https.html
@@ -1,5 +1,6 @@
 <!DOCTYPE HTML>
 <meta charset="utf-8">
+<meta name=timeout content=long>
 <title>Geolocation Test: getCurrentPosition tests</title>
 <link rel="help" href="http://www.w3.org/TR/geolocation-API/">
 <script src="/resources/testharness.js"></script>
@@ -125,7 +126,7 @@
   fail.done();
 }
 
-success = async_test("getCurrentPosition success callback tests", {timeout:20000});
+success = async_test("getCurrentPosition success callback tests");
 
 // with a longer timeout and with the user accepting the position request,
 // this should test the successcallback
diff --git a/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html
new file mode 100644
index 000000000000..c009f55bfcad
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-hidden.optional.html
@@ -0,0 +1,35 @@
+<!doctype html>
+<title>autoplay hidden</title>
+<link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/media.html#ready-states"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/media.js"></script>
+<div id="log"></div>
+<script>
+
+promise_test(async t => {
+  let video = document.createElement("video");
+  video.src = getVideoURI("/media/movie_5");
+  video.autoplay = true;
+  // In Safari and Chrome, the video needs to be muted in order to be paused when
+  // hidden. They decided to do this in order to save resources when a video
+  // goes out of view and isn't expected to make any sound.
+  video.muted = true;
+  video.loop = true;
+  let watcher = new EventWatcher(t, video, ["playing", "pause"]);
+  document.body.appendChild(video);
+
+  await watcher.wait_for("playing");
+  assert_false(video.paused, "paused when video is display");
+  video.hidden = true;
+
+  await watcher.wait_for("pause");
+  assert_true(video.paused, "paused when video is hidden");
+  video.hidden = false;
+
+  await watcher.wait_for("playing");
+  assert_false(video.paused, "paused when video is display");
+}, "Allow delaying autoplay until video elements become visible");
+
+</script>
diff --git a/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
index dca0bdfada4a..e30c62714968 100644
--- a/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
+++ b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
@@ -12,7 +12,7 @@ setup(function(){
 }, {timeout:10000, explicit_done:true});
 
 onload = function() {
-    (async_test(document.title)).step(function() {
+    (async_test()).step(function() {
         // fail early if track isn't supported
         assert_true('HTMLTrackElement' in window, 'track not supported');
         window.corsMode = document.title.match(/^track CORS: (No CORS|Anonymous|Use Credentials)/)[1];
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/allowed-to-play.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/allowed-to-play.html.ini
index ef6b2edc6089..c9fbabede6d6 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/allowed-to-play.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/allowed-to-play.html.ini
@@ -1,8 +1,8 @@
 [allowed-to-play.html]
   expected:
-    if product == "safari" or product == "safari_webdriver": ERROR # https://bugs.webkit.org/show_bug.cgi?id=190775
+    if product == "safari": ERROR # https://bugs.webkit.org/show_bug.cgi?id=190775
 
 
   [<audio> autoplay]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://bugs.webkit.org/show_bug.cgi?id=190775
+      if product == "safari": FAIL # https://bugs.webkit.org/show_bug.cgi?id=190775
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/html-elements.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/html-elements.html.ini
index 7751a227dfc5..b7303c645fce 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/html-elements.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/assumptions/html-elements.html.ini
@@ -1,9 +1,9 @@
 [html-elements.html]
   [Compare CSS span definitions (only valid if pre-reqs pass)]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://webkit.org/show_bug.cgi?id=187052
+      if product == "safari": FAIL # https://webkit.org/show_bug.cgi?id=187052
 
 
   [Compare CSS div definitions (only valid if pre-reqs pass)]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://webkit.org/show_bug.cgi?id=187052
+      if product == "safari": FAIL # https://webkit.org/show_bug.cgi?id=187052
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/context.any.js.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/context.any.js.ini
index 30d04b39cf25..f985548b2f09 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/context.any.js.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/context.any.js.ini
@@ -1,4 +1,4 @@
 [context.any.sharedworker.html]
   [context]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
+      if product == "safari": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/order-of-metas.any.js.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/order-of-metas.any.js.ini
index 39bc08956f4c..b29646288b23 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/order-of-metas.any.js.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/order-of-metas.any.js.ini
@@ -1,4 +1,4 @@
 [order-of-metas.any.sharedworker.html]
   [foo]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
+      if product == "safari": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/secure-context.https.any.js.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/secure-context.https.any.js.ini
index f2737bf3f678..272935af1eca 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/secure-context.https.any.js.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/secure-context.https.any.js.ini
@@ -1,4 +1,4 @@
 [secure-context.https.any.sharedworker.html]
   [secure-context]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
+      if product == "safari": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/title.any.js.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/title.any.js.ini
index f2e268dcf509..6852b8033d8e 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/title.any.js.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/server/title.any.js.ini
@@ -1,4 +1,4 @@
 [title.any.sharedworker.html]
   [foobar]
     expected:
-      if product == "safari" or product == "safari_webdriver": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
+      if product == "safari": FAIL # https://bugs.webkit.org/show_bug.cgi?id=149850
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementPosition.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementPosition.html.ini
index 6644d52d1ff5..f751532cee7e 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementPosition.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementPosition.html.ini
@@ -1,3 +1,3 @@
 [elementPosition.html]
   expected:
-    if product == "chrome" or product == "safari" or product == "safari_webdriver": ERROR
+    if product == "chrome" or product == "safari": ERROR
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementTiming.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementTiming.html.ini
index 85dbe11a7afd..a1e9ea86844e 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementTiming.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/elementTiming.html.ini
@@ -1,3 +1,3 @@
 [elementTiming.html]
   expected:
-    if product == "chrome" or product == "safari" or product == "safari_webdriver": ERROR
+    if product == "chrome" or product == "safari": ERROR
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/eventOrder.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/eventOrder.html.ini
index bfb5c0ae4bd5..64f3f2f8c48a 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/eventOrder.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/eventOrder.html.ini
@@ -1,3 +1,3 @@
 [eventOrder.html]
   expected:
-    if product == "chrome" or product == "safari" or product == "safari_webdriver": ERROR
+    if product == "chrome" or product == "safari": ERROR
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/multiDevice.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/multiDevice.html.ini
index 642d0cd21dbb..b9fb2596b952 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/multiDevice.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/multiDevice.html.ini
@@ -1,3 +1,3 @@
 [multiDevice.html]
   expected:
-    if product == "chrome" or product == "safari" or product == "safari_webdriver": ERROR
+    if product == "chrome" or product == "safari": ERROR
diff --git a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/pause.html.ini b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/pause.html.ini
index 594f22d2ea2d..3b0d6fa50def 100644
--- a/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/pause.html.ini
+++ b/tests/wpt/web-platform-tests/infrastructure/metadata/infrastructure/testdriver/actions/pause.html.ini
@@ -1,3 +1,3 @@
 [pause.html]
   expected:
-    if product == "chrome" or product == "safari" or product == "safari_webdriver": ERROR
+    if product == "chrome" or product == "safari": ERROR
diff --git a/tests/wpt/web-platform-tests/interfaces/filter-effects.idl b/tests/wpt/web-platform-tests/interfaces/filter-effects.idl
index 16e6f0a54690..718dcee74767 100644
--- a/tests/wpt/web-platform-tests/interfaces/filter-effects.idl
+++ b/tests/wpt/web-platform-tests/interfaces/filter-effects.idl
@@ -1,7 +1,7 @@
 // GENERATED CONTENT - DO NOT EDIT
 // Content was automatically extracted by Reffy into reffy-reports
 // (https://github.com/tidoust/reffy-reports)
-// Source: Filter Effects Module Level 1 (https://drafts.fxtf.org/filter-effects/)
+// Source: Filter Effects Module Level 1 (https://drafts.fxtf.org/filter-effects-1/)
 
 interface SVGFilterElement : SVGElement {
   readonly attribute SVGAnimatedEnumeration filterUnits;
diff --git a/tests/wpt/web-platform-tests/interfaces/media-capabilities.idl b/tests/wpt/web-platform-tests/interfaces/media-capabilities.idl
index 816949cb26d8..8721b1c73fa4 100644
--- a/tests/wpt/web-platform-tests/interfaces/media-capabilities.idl
+++ b/tests/wpt/web-platform-tests/interfaces/media-capabilities.idl
@@ -10,6 +10,7 @@ dictionary MediaConfiguration {
 
 dictionary MediaDecodingConfiguration : MediaConfiguration {
   required MediaDecodingType type;
+  MediaCapabilitiesKeySystemConfiguration keySystemConfiguration;
 };
 
 dictionary MediaEncodingConfiguration : MediaConfiguration {
@@ -41,11 +42,25 @@ dictionary AudioConfiguration {
   unsigned long samplerate;
 };
 
-[Exposed=(Window, Worker)]
-interface MediaCapabilitiesInfo {
-  readonly attribute boolean supported;
-  readonly attribute boolean smooth;
-  readonly attribute boolean powerEfficient;
+dictionary MediaCapabilitiesKeySystemConfiguration {
+    required DOMString keySystem;
+    DOMString initDataType = "";
+    DOMString audioRobustness = "";
+    DOMString videoRobustness = "";
+    MediaKeysRequirement distinctiveIdentifier = "optional";
+    MediaKeysRequirement persistentState = "optional";
+    sequence<DOMString> sessionTypes;
+  };
+
+dictionary MediaCapabilitiesInfo {
+  required boolean supported;
+  required boolean smooth;
+  required boolean powerEfficient;
+
+};
+
+dictionary MediaCapabilitiesDecodingInfo : MediaCapabilitiesInfo {
+  required MediaKeySystemAccess keySystemAccess;
 };
 
 [Exposed=Window]
@@ -60,7 +75,7 @@ partial interface WorkerNavigator {
 
 [Exposed=(Window, Worker)]
 interface MediaCapabilities {
-  [NewObject] Promise<MediaCapabilitiesInfo> decodingInfo(MediaDecodingConfiguration configuration);
+  [NewObject] Promise<MediaCapabilitiesDecodingInfo> decodingInfo(MediaDecodingConfiguration configuration);
   [NewObject] Promise<MediaCapabilitiesInfo> encodingInfo(MediaEncodingConfiguration configuration);
 };
 
diff --git a/tests/wpt/web-platform-tests/interfaces/reporting.idl b/tests/wpt/web-platform-tests/interfaces/reporting.idl
index 8e88663a700c..ef20b9844699 100644
--- a/tests/wpt/web-platform-tests/interfaces/reporting.idl
+++ b/tests/wpt/web-platform-tests/interfaces/reporting.idl
@@ -46,7 +46,6 @@ interface InterventionReportBody : ReportBody {
 };
 
 interface CrashReportBody : ReportBody {
-  readonly attribute DOMString crashId;
   readonly attribute DOMString? reason;
 };
 
diff --git a/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl b/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
index bb0fde4747df..21013919a5d9 100644
--- a/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
+++ b/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
@@ -13,7 +13,7 @@ enum ScrollDirection {
 enum ScrollTimelineAutoKeyword { "auto" };
 
 dictionary ScrollTimelineOptions {
-  Element scrollSource;
+  Element? scrollSource = null;
   ScrollDirection orientation = "block";
   DOMString startScrollOffset = "auto";
   DOMString endScrollOffset = "auto";
@@ -21,7 +21,8 @@ dictionary ScrollTimelineOptions {
   FillMode fill = "none";
 };
 
-[Constructor(optional ScrollTimelineOptions options)]
+[Exposed=Window,
+ Constructor(optional ScrollTimelineOptions options)]
 interface ScrollTimeline : AnimationTimeline {
   readonly attribute Element scrollSource;
   readonly attribute ScrollDirection orientation;
diff --git a/tests/wpt/web-platform-tests/interfaces/uievents.idl b/tests/wpt/web-platform-tests/interfaces/uievents.idl
index ba618d7c373b..b00f7badb90b 100644
--- a/tests/wpt/web-platform-tests/interfaces/uievents.idl
+++ b/tests/wpt/web-platform-tests/interfaces/uievents.idl
@@ -96,11 +96,13 @@ dictionary WheelEventInit : MouseEventInit {
 interface InputEvent : UIEvent {
   readonly attribute DOMString? data;
   readonly attribute boolean isComposing;
+  readonly attribute DOMString inputType;
 };
 
 dictionary InputEventInit : UIEventInit {
   DOMString? data = "";
   boolean isComposing = false;
+  DOMString inputType = "";
 };
 
 [Constructor(DOMString type, optional KeyboardEventInit eventInitDict), Exposed=Window]
diff --git a/tests/wpt/web-platform-tests/loading/preloader-css-import-no-quote.tentative.html b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-quote.tentative.html
new file mode 100644
index 000000000000..b83632df2c6e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-quote.tentative.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+    var t = async_test('Imported inline CSS with no quote is not blocked on pending CSS');
+</script>
+<link rel=stylesheet href="resources/dummy.css?first&pipe=trickle(d1)">
+<script>
+    var this_script_is_neccessary_to_block_the_inline_style_processing = true;
+</script>
+<style>
+@import url(resources/dummy.css?second);
+</style>
+<script>
+    window.addEventListener("load", t.step_func_done(() => {
+        let entries = performance.getEntriesByType('resource');
+        let first;
+        let second;
+        for (entry of entries) {
+            if (entry.name.includes("first")) {
+                first = entry;
+            }
+            if (entry.name.includes("second")) {
+                second = entry;
+            }
+        }
+        assert_true(first.responseEnd > second.startTime, "The second resource start time should not be blocked on the first resource response");
+    }));
+</script>
+
diff --git a/tests/wpt/web-platform-tests/loading/preloader-css-import-no-semicolon.tentative.html b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-semicolon.tentative.html
new file mode 100644
index 000000000000..827978fa41fb
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-semicolon.tentative.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+    var t = async_test('Imported inline CSS with no semicolon is not blocked on pending CSS');
+</script>
+<link rel=stylesheet href="resources/dummy.css?first&pipe=trickle(d1)">
+<script>
+    var this_script_is_neccessary_to_block_the_inline_style_processing = true;
+</script>
+<style>
+@import url("resources/dummy.css?second")
+</style>
+<script>
+    window.addEventListener("load", t.step_func_done(() => {
+        let entries = performance.getEntriesByType('resource');
+        let first;
+        let second;
+        for (entry of entries) {
+            if (entry.name.includes("first")) {
+                first = entry;
+            }
+            if (entry.name.includes("second")) {
+                second = entry;
+            }
+        }
+        assert_true(first.responseEnd > second.startTime, "The second resource start time should not be blocked on the first resource response");
+    }));
+</script>
+
diff --git a/tests/wpt/web-platform-tests/loading/preloader-css-import-no-space.tentative.html b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-space.tentative.html
new file mode 100644
index 000000000000..389415682ddd
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/preloader-css-import-no-space.tentative.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+    var t = async_test('Imported inline CSS with no quote is not blocked on pending CSS');
+</script>
+<link rel=stylesheet href="resources/dummy.css?first&pipe=trickle(d1)">
+<script>
+    var this_script_is_neccessary_to_block_the_inline_style_processing = true;
+</script>
+<style>@import url("resources/dummy.css?second")</style>
+<script>
+    window.addEventListener("load", t.step_func_done(() => {
+        let entries = performance.getEntriesByType('resource');
+        let first;
+        let second;
+        for (entry of entries) {
+            if (entry.name.includes("first")) {
+                first = entry;
+            }
+            if (entry.name.includes("second")) {
+                second = entry;
+            }
+        }
+        assert_true(first.responseEnd > second.startTime, "The second resource start time should not be blocked on the first resource response");
+    }));
+</script>
+
diff --git a/tests/wpt/web-platform-tests/loading/preloader-css-import-single-quote.tentative.html b/tests/wpt/web-platform-tests/loading/preloader-css-import-single-quote.tentative.html
new file mode 100644
index 000000000000..f475dc100bd1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/preloader-css-import-single-quote.tentative.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+    var t = async_test('Imported inline CSS is not blocked on pending CSS');
+</script>
+<link rel=stylesheet href="resources/dummy.css?first&pipe=trickle(d1)">
+<script>
+    var this_script_is_neccessary_to_block_the_inline_style_processing = true;
+</script>
+<style>
+@import url('resources/dummy.css?second');
+</style>
+<script>
+    window.addEventListener("load", t.step_func_done(() => {
+        let entries = performance.getEntriesByType('resource');
+        let first;
+        let second;
+        for (entry of entries) {
+            if (entry.name.includes("first")) {
+                first = entry;
+            }
+            if (entry.name.includes("second")) {
+                second = entry;
+            }
+        }
+        assert_true(first.responseEnd > second.startTime, "The second resource start time should not be blocked on the first resource response");
+    }));
+</script>
+
diff --git a/tests/wpt/web-platform-tests/loading/preloader-css-import.tentative.html b/tests/wpt/web-platform-tests/loading/preloader-css-import.tentative.html
new file mode 100644
index 000000000000..d09daff59bca
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/preloader-css-import.tentative.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+    var t = async_test('Imported inline CSS is not blocked on pending CSS');
+</script>
+<link rel=stylesheet href="resources/dummy.css?first&pipe=trickle(d1)">
+<script>
+    var this_script_is_neccessary_to_block_the_inline_style_processing = true;
+</script>
+<style>
+@import url("resources/dummy.css?second");
+</style>
+<script>
+    window.addEventListener("load", t.step_func_done(() => {
+        let entries = performance.getEntriesByType('resource');
+        let first;
+        let second;
+        for (entry of entries) {
+            if (entry.name.includes("first")) {
+                first = entry;
+            }
+            if (entry.name.includes("second")) {
+                second = entry;
+            }
+        }
+        assert_true(first.responseEnd > second.startTime, "The second resource start time should not be blocked on the first resource response");
+    }));
+</script>
+
diff --git a/tests/wpt/web-platform-tests/loading/resources/dummy.css b/tests/wpt/web-platform-tests/loading/resources/dummy.css
new file mode 100644
index 000000000000..30ff5636e245
--- /dev/null
+++ b/tests/wpt/web-platform-tests/loading/resources/dummy.css
@@ -0,0 +1 @@
+/* dummy css */
diff --git a/tests/wpt/web-platform-tests/media-capabilities/decodingInfo.html b/tests/wpt/web-platform-tests/media-capabilities/decodingInfo.html
index 982bc1746685..cb14e2b516f8 100644
--- a/tests/wpt/web-platform-tests/media-capabilities/decodingInfo.html
+++ b/tests/wpt/web-platform-tests/media-capabilities/decodingInfo.html
@@ -283,9 +283,9 @@
     video: minimalVideoConfiguration,
     audio: minimalAudioConfiguration,
   }).then(ability => {
-    assert_idl_attribute(ability, 'supported');
-    assert_idl_attribute(ability, 'smooth');
-    assert_idl_attribute(ability, 'powerEfficient');
+    assert_equals(typeof ability.supported, "boolean");
+    assert_equals(typeof ability.smooth, "boolean");
+    assert_equals(typeof ability.powerEfficient, "boolean");
   });
 }, "Test that decodingInfo returns a valid MediaCapabilitiesInfo objects");
 
diff --git a/tests/wpt/web-platform-tests/media-capabilities/encodingInfo.html b/tests/wpt/web-platform-tests/media-capabilities/encodingInfo.html
index 5c0e3189082e..751146c38914 100644
--- a/tests/wpt/web-platform-tests/media-capabilities/encodingInfo.html
+++ b/tests/wpt/web-platform-tests/media-capabilities/encodingInfo.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<title>MediaCapabilities.decodingInfo()</title>
+<title>MediaCapabilities.encodingInfo()</title>
 <script src=/resources/testharness.js></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
@@ -283,9 +283,9 @@
     video: minimalVideoConfiguration,
     audio: minimalAudioConfiguration,
   }).then(ability => {
-    assert_idl_attribute(ability, 'supported');
-    assert_idl_attribute(ability, 'smooth');
-    assert_idl_attribute(ability, 'powerEfficient');
+    assert_equals(typeof ability.supported, "boolean");
+    assert_equals(typeof ability.smooth, "boolean");
+    assert_equals(typeof ability.powerEfficient, "boolean");
   });
 }, "Test that encodingInfo returns a valid MediaCapabilitiesInfo objects");
 
diff --git a/tests/wpt/web-platform-tests/media-capabilities/idlharness.any.js b/tests/wpt/web-platform-tests/media-capabilities/idlharness.any.js
index bd20d5b4b487..6da5c7d2848c 100644
--- a/tests/wpt/web-platform-tests/media-capabilities/idlharness.any.js
+++ b/tests/wpt/web-platform-tests/media-capabilities/idlharness.any.js
@@ -6,26 +6,6 @@
 'use strict';
 
 promise_test(async () => {
-  try {
-    const video = {
-      contentType: 'video/webm; codecs="vp09.00.10.08"',
-      width: 800,
-      height: 600,
-      bitrate: 3000,
-      framerate: 24,
-    };
-    self.decodingInfo = await navigator.mediaCapabilities.decodingInfo({
-      type: 'file',
-      video: video,
-    });
-    self.encodingInfo = await navigator.mediaCapabilities.encodingInfo({
-      type: 'record',
-      video: video
-    });
-  } catch (e) {
-    // Will be surfaced when encodingInfo/decodingInfo is undefined below.
-  }
-
   idl_test(
     ['media-capabilities'],
     ['html', 'cssom-view'],
@@ -37,7 +17,6 @@ promise_test(async () => {
       }
       idl_array.add_objects({
         MediaCapabilities: ['navigator.mediaCapabilities'],
-        MediaCapabilitiesInfo: ['decodingInfo', 'encodingInfo'],
         Screen: ['screen'],
         ScreenLuminance: ['screen.luminance'],
       });
diff --git a/tests/wpt/web-platform-tests/mimesniff/mime-types/resources/mime-types.json b/tests/wpt/web-platform-tests/mimesniff/mime-types/resources/mime-types.json
index 64654b90d5ac..e3cf13d11350 100644
--- a/tests/wpt/web-platform-tests/mimesniff/mime-types/resources/mime-types.json
+++ b/tests/wpt/web-platform-tests/mimesniff/mime-types/resources/mime-types.json
@@ -367,5 +367,17 @@
   {
     "input": "\u0100/\u0100",
     "output": null
+  },
+  {
+    "input": "text /html",
+    "output": null
+  },
+  {
+    "input": "text/ html",
+    "output": null
+  },
+  {
+    "input": "\"text/html\"",
+    "output": null
   }
 ]
diff --git a/tests/wpt/web-platform-tests/orientation-event/free-fall-manual.html b/tests/wpt/web-platform-tests/orientation-event/free-fall-manual.html
index eaec7eb09cc6..c71f61fa6960 100644
--- a/tests/wpt/web-platform-tests/orientation-event/free-fall-manual.html
+++ b/tests/wpt/web-platform-tests/orientation-event/free-fall-manual.html
@@ -11,7 +11,7 @@
     <p>Free fall the device to run the test, with the screen horizontal and upmost.</p>
     <div id="log"></div>
     <script>
-      var t = async_test(document.title);
+      var t = async_test();
       var run = false;
 
       /*
diff --git a/tests/wpt/web-platform-tests/orientation-event/screen-upmost-manual.html b/tests/wpt/web-platform-tests/orientation-event/screen-upmost-manual.html
index 87ad62c58633..560c3e3a1f6b 100644
--- a/tests/wpt/web-platform-tests/orientation-event/screen-upmost-manual.html
+++ b/tests/wpt/web-platform-tests/orientation-event/screen-upmost-manual.html
@@ -11,7 +11,7 @@
     <p>Put the device on a horizontal surface with the screen upmost.</p>
     <div id="log"></div>
     <script>
-      var t = async_test(document.title);
+      var t = async_test();
       var run = false;
 
       /*
diff --git a/tests/wpt/web-platform-tests/orientation-event/screen-upright-manual.html b/tests/wpt/web-platform-tests/orientation-event/screen-upright-manual.html
index 0896a3810641..8a1b6d27da83 100644
--- a/tests/wpt/web-platform-tests/orientation-event/screen-upright-manual.html
+++ b/tests/wpt/web-platform-tests/orientation-event/screen-upright-manual.html
@@ -11,7 +11,7 @@
     <p>Put the device with the screen upright.</p>
     <div id="log"></div>
     <script>
-      var t = async_test(document.title);
+      var t = async_test();
       var run = false;
 
       /*
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse-manual.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse.html
similarity index 86%
rename from tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse-manual.html
rename to tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse.html
index ee31e225722a..d8d54db6ba30 100644
--- a/tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse-manual.html
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_capture_mouse.html
@@ -6,6 +6,9 @@
         <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <!-- Additional helper script for common checks across event types -->
         <script type="text/javascript" src="pointerevent_support.js"></script>
     </head>
@@ -84,6 +87,8 @@ <h4>
                         test_pointermove0.done();
                         event_log.push('pointermove@target0');
                         pointermoveNoCaptureGot0 = true;
+                        // Second dispatch a pointer move to target1.
+                        new test_driver.Actions().pointerMove(0, 0, {origin: target1}).send();
                     }
                     if(isPointerCapture) {
                         if(!pointermoveCaptureGot0) {
@@ -99,6 +104,8 @@ <h4>
                             }, "pointermove received for captured element while out of it");
                             event_log.push('pointermove@target0');
                             pointermoveCaptureGot0 = true;
+                            // Fourth dispatch a pointer move to target0.
+                            new test_driver.Actions().pointerMove(0, 0, {origin: target0}).send();
                         }
                         if((event.clientX > target0.getBoundingClientRect().left)&&
                             (event.clientX < target0.getBoundingClientRect().right)&&
@@ -114,6 +121,9 @@ <h4>
                     }
                 });
 
+                // First dispatch a pointer move to target0.
+                new test_driver.Actions().pointerMove(0, 0, {origin: target0}).send();
+
                 on_event(target1, "pointermove", function (event) {
                         if(isPointerCapture == true) {
                             test(function() {
@@ -124,6 +134,14 @@ <h4>
                         test_pointermove1.done();
                         event_log.push('pointermove@target1');
                         pointermoveNoCaptureGot1 = true;
+                        // Third, drag the mouse from btnCapture, target1 to target0.
+                        new test_driver.Actions()
+                            .pointerMove(0, 0, {origin: btnCapture})
+                            .pointerDown()
+                            .pointerMove(0, 0, {origin: target1})
+                            .pointerMove(0, 0, {origin: target0})
+                            .pointerUp()
+                            .send();
                     }
                 });
             }
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove-manual.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove.html
similarity index 85%
rename from tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove-manual.html
rename to tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove.html
index cf1a1ee4ee85..4b168439a4ee 100644
--- a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove-manual.html
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove.html
@@ -7,6 +7,9 @@
         <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <!-- Additional helper script for common checks across event types -->
         <script type="text/javascript" src="pointerevent_support.js"></script>
     </head>
@@ -32,6 +35,9 @@ <h4>Test Description: This test checks if pointermove event triggers. Move your
                         eventTested = true;
                     }
                 });
+
+                // Inject the inputs to run this test.
+                new test_driver.Actions().pointerMove(0, 0, {origin: target0}).send();
             }
         </script>
         <h1>Pointer Events pointermove Tests</h1>
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown.html
similarity index 88%
rename from tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html
rename to tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown.html
index b43d59f4f6e8..46bfe40b69e0 100644
--- a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown-manual.html
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_isprimary_same_as_pointerdown.html
@@ -9,6 +9,9 @@
         <!-- /resources/testharness.js -->
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <!-- Additional helper script for common checks across event types -->
         <script type="text/javascript" src="pointerevent_support.js"></script>
         <script type="text/javascript">
@@ -46,6 +49,14 @@
                     });
                     test_pointerEvent.done(); // complete test
                 });
+
+                // Dispatch a mouse drag in target0.
+                new test_driver.Actions()
+                    .pointerMove(0, 0, {origin: target0})
+                    .pointerDown()
+                    .pointerMove(3, 3, {origin: target0})
+                    .pointerUp()
+                    .send();
             }
         </script>
     </head>
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button-manual.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button.html
similarity index 85%
rename from tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button-manual.html
rename to tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button.html
index 8bade63554d6..f65512832c8f 100644
--- a/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button-manual.html
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_pointermove_on_chorded_mouse_button.html
@@ -7,6 +7,9 @@
         <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <!-- Additional helper script for common checks across event types -->
         <script type="text/javascript" src="pointerevent_support.js"></script>
     </head>
@@ -64,6 +67,15 @@ <h4>Test Description: This test checks if pointermove event are triggered by but
                     test_pointermove.done();
                     eventTested = true;
                 });
+
+                // Click on both left and middle buttons.
+                var actions = new test_driver.Actions();
+                actions.pointerMove(0, 0, {origin: target0, button: actions.ButtonType.LEFT})
+                    .pointerDown({button: actions.ButtonType.LEFT})
+                    .pointerDown({button: actions.ButtonType.MIDDLE})
+                    .pointerUp({button: actions.ButtonType.MIDDLE})
+                    .pointerUp({button: actions.ButtonType.LEFT})
+                    .send();
             }
         </script>
         <h1>Pointer Events pointermove on button state changes Tests</h1>
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_computed_style.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_computed_style.html
new file mode 100644
index 000000000000..c3034d475eee
--- /dev/null
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_computed_style.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<meta charset=utf-8>
+<title></title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<style type="text/css">
+    :root {
+        pointer-events: none;
+    }
+</style>
+<html>
+    <body>
+    </body>
+</html>
+<script>
+    test(() => {
+        let cs = window.getComputedStyle(document.documentElement).getPropertyValue("pointer-events");
+        assert_equals(cs, 'none');
+    });
+</script>
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_hit_test.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_hit_test.html
new file mode 100644
index 000000000000..b09dfafe69d7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_root_hit_test.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<meta charset=utf-8>
+<title></title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<style type="text/css">
+    :root {
+        pointer-events: none;
+    }
+</style>
+<html>
+    <body>
+    </body>
+</html>
+<script>
+    test(() => {
+        let element = document.elementFromPoint(50, 50);
+        assert_equals(element, document.documentElement);
+    });
+</script>
diff --git a/tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse-manual.html b/tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse.html
similarity index 81%
rename from tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse-manual.html
rename to tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse.html
index b3e8debb7169..7d0b00d47bc2 100644
--- a/tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse-manual.html
+++ b/tests/wpt/web-platform-tests/pointerevents/pointerevent_setpointercapture_inactive_button_mouse.html
@@ -6,6 +6,9 @@
         <meta name="viewport" content="width=device-width">
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <script src="pointerevent_support.js"></script>
     </head>
     <body onload="run()">
@@ -33,8 +36,13 @@ <h4>
                 on_event(target0, "pointerover", function (event) {
                     detected_pointertypes[event.pointerType] = true;
                     target0.setPointerCapture(event.pointerId);
+                    // After we receive a pointerover event, dispatch a pointer move to move out of target0.
+                    new test_driver.Actions().pointerMove(0, 0).send();
                 });
 
+                // First dispatch a pointer move to target0.
+                new test_driver.Actions().pointerMove(0, 0, {origin: target0}).send();
+
                  // When the setPointerCapture method is invoked, if the specified pointer is not in active button state, then the method must have no effect on subsequent pointer events.
                  // TA: 13.2
                 on_event(target0, "pointerout", function (event) {
diff --git a/tests/wpt/web-platform-tests/preload/dynamic-adding-preload-imagesrcset.tentative.html b/tests/wpt/web-platform-tests/preload/dynamic-adding-preload-imagesrcset.tentative.html
new file mode 100644
index 000000000000..be8f0afcd5bd
--- /dev/null
+++ b/tests/wpt/web-platform-tests/preload/dynamic-adding-preload-imagesrcset.tentative.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/preload/resources/preload_helper.js"></script>
+<script>
+    var t = async_test('Makes sure that a dynamically added preload with imagesrcset works');
+</script>
+<body>
+<script>
+    t.step(function() {
+        verifyPreloadAndRTSupport();
+        var link = document.createElement("link");
+        link.as = "image";
+        link.rel = "preload";
+        link.href = "resources/square.png?default";
+        link.imageSrcset = "resources/square.png?200 200w, resources/square.png?400 400w, resources/square.png?800 800w";
+        link.imageSizes = "400px";
+        link.onload = t.step_func(function() {
+            t.step_timeout(function() {
+                verifyNumberOfDownloads("resources/square.png?default", 0);
+                verifyNumberOfDownloads("resources/square.png?200", 0);
+                verifyNumberOfDownloads("resources/square.png?400", 1);
+                verifyNumberOfDownloads("resources/square.png?800", 0);
+                t.done();
+            }, 0);
+        });
+        document.body.appendChild(link);
+    });
+</script>
+<script src="resources/dummy.js?pipe=trickle(d5)&dynamic-adding-preload"></script>
+</body>
diff --git a/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html b/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html
index 0a364b25a00b..70d34e525c1f 100644
--- a/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html
+++ b/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html
@@ -4,7 +4,7 @@
 <script src="/resources/testharnessreport.js"></script>
 <script src="/preload/resources/preload_helper.js"></script>
 <script>
-    var t = async_test('Makes sure that Link headers preload images with (experimental) srcset/imgsizes attributes.');
+    var t = async_test('Makes sure that Link headers preload images with (experimental) imagesrcset/imagesizes attributes.');
 </script>
 <body>
 <script src="resources/dummy.js?pipe=trickle(d3)&link-header-preload-srcset"></script>
diff --git a/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html.headers b/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html.headers
index b29f725c804c..1e4e9b85cac9 100644
--- a/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html.headers
+++ b/tests/wpt/web-platform-tests/preload/link-header-preload-srcset.tentative.html.headers
@@ -1,3 +1,3 @@
-Link: <resources/square.png?1x>; rel=preload; as=image; srcset="resources/square.png?2x 2x, resources/square.png?3x 3x"
-Link: <resources/square.png?base>; rel=preload; as=image; srcset="resources/square.png?200 200w, resources/square.png?400 400w, resources/square.png?800 800w"; imgsizes=400px
-Link: <resources/square.png?base>; rel=preload; as=image; srcset="resources/square.png?150 150w, resources/square.png?300 300w, resources/square.png?600 600w"; imgsizes="(min-width: 300px) 300px, 150px"
+Link: <resources/square.png?1x>; rel=preload; as=image; imagesrcset="resources/square.png?2x 2x, resources/square.png?3x 3x"
+Link: <resources/square.png?base>; rel=preload; as=image; imagesrcset="resources/square.png?200 200w, resources/square.png?400 400w, resources/square.png?800 800w"; imagesizes=400px
+Link: <resources/square.png?base>; rel=preload; as=image; imagesrcset="resources/square.png?150 150w, resources/square.png?300 300w, resources/square.png?600 600w"; imagesizes="(min-width: 300px) 300px, 150px"
diff --git a/tests/wpt/web-platform-tests/referrer-policy/generic/common.js b/tests/wpt/web-platform-tests/referrer-policy/generic/common.js
index 4a3befefc590..f9bbe42b914c 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/generic/common.js
+++ b/tests/wpt/web-platform-tests/referrer-policy/generic/common.js
@@ -187,6 +187,14 @@ function queryModuleWorkerTopLevel(url, callback) {
   };
 }
 
+function querySharedWorker(url, callback) {
+  var worker = new SharedWorker(url);
+  worker.port.onmessage = function(event) {
+    var server_data = event.data;
+    callback(wrapResult(url, server_data), url);
+  };
+}
+
 function queryFetch(url, callback) {
   fetch(url).then(function(response) {
       response.json().then(function(server_data) {
diff --git a/tests/wpt/web-platform-tests/referrer-policy/generic/referrer-policy-test-case.js b/tests/wpt/web-platform-tests/referrer-policy/generic/referrer-policy-test-case.js
index f19407157d61..4641683cd850 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/generic/referrer-policy-test-case.js
+++ b/tests/wpt/web-platform-tests/referrer-policy/generic/referrer-policy-test-case.js
@@ -22,6 +22,7 @@ function ReferrerPolicyTestCase(scenario, testDescription, sanityChecker) {
     "script-tag": queryScript,
     "worker-request": queryWorker,
     "module-worker": queryModuleWorkerTopLevel,
+    "shared-worker": querySharedWorker,
     "xhr-request": queryXhr
   };
 
diff --git a/tests/wpt/web-platform-tests/referrer-policy/generic/subresource/shared-worker.py b/tests/wpt/web-platform-tests/referrer-policy/generic/subresource/shared-worker.py
new file mode 100644
index 000000000000..66b6e66c6e30
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/generic/subresource/shared-worker.py
@@ -0,0 +1,12 @@
+import os, sys, json
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+import subresource
+
+def generate_payload(server_data):
+    return subresource.get_template("shared-worker.js.template") % server_data
+
+def main(request, response):
+    subresource.respond(request,
+                        response,
+                        payload_generator = generate_payload,
+                        content_type = "application/javascript")
diff --git a/tests/wpt/web-platform-tests/referrer-policy/generic/template/shared-worker.js.template b/tests/wpt/web-platform-tests/referrer-policy/generic/template/shared-worker.js.template
new file mode 100644
index 000000000000..c3f109e4a90e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/generic/template/shared-worker.js.template
@@ -0,0 +1,5 @@
+onconnect = function(e) {
+  e.ports[0].postMessage({
+    "headers": %(headers)s
+  });
+};
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..ab381f0c907d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer-when-downgrade'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer-when-downgrade",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
new file mode 100644
index 000000000000..f2152da955f3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: no-referrer-when-downgrade
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..d0b3f5affb19
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer-when-downgrade'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer-when-downgrade",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
new file mode 100644
index 000000000000..f2152da955f3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: no-referrer-when-downgrade
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..f7b4c6c37e69
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer-when-downgrade'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information.">
+    <meta name="referrer" content="no-referrer-when-downgrade">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer-when-downgrade",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..dce5baf64e0a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer-when-downgrade'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information.">
+    <meta name="referrer" content="no-referrer-when-downgrade">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer-when-downgrade",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..636bf3735b1c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer'</title>
+    <meta name="description" content="Check that sub-resource never gets the referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer">
+    <meta name="assert" content="The referrer URL is omitted when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "omitted"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..9b531426e5ab
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: no-referrer
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..38473b34702d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer'</title>
+    <meta name="description" content="Check that sub-resource never gets the referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer">
+    <meta name="assert" content="The referrer URL is omitted when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "omitted"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..9b531426e5ab
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: no-referrer
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..d2fc88f0bf9b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer'</title>
+    <meta name="description" content="Check that sub-resource never gets the referrer URL.">
+    <meta name="referrer" content="no-referrer">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer">
+    <meta name="assert" content="The referrer URL is omitted when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "omitted"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..6da08e2e0e1e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'no-referrer'</title>
+    <meta name="description" content="Check that sub-resource never gets the referrer URL.">
+    <meta name="referrer" content="no-referrer">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer">
+    <meta name="assert" content="The referrer URL is omitted when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "no-referrer",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "omitted"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..bac83829eb53
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin-when-cross-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin-when-cross-origin",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
new file mode 100644
index 000000000000..9ce1de38843b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: origin-when-cross-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..b6fe7805564b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin-when-cross-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin-when-cross-origin",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
new file mode 100644
index 000000000000..9ce1de38843b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: origin-when-cross-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..8a7bdc29a40e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin-when-cross-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="origin-when-cross-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin-when-cross-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..4618f8eb3e52
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin-when-cross-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="origin-when-cross-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin-when-cross-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..82ee6907051a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin'</title>
+    <meta name="description" content="Check that all subresources in all casses get only the origin portion of the referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..306a53536ac5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..333f687308a7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin'</title>
+    <meta name="description" content="Check that all subresources in all casses get only the origin portion of the referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..306a53536ac5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..09ccab6e19f2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin'</title>
+    <meta name="description" content="Check that all subresources in all casses get only the origin portion of the referrer URL.">
+    <meta name="referrer" content="origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..36e0f5d34f46
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'origin'</title>
+    <meta name="description" content="Check that all subresources in all casses get only the origin portion of the referrer URL.">
+    <meta name="referrer" content="origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..84f4c4707ed0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'same-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "same-origin",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
new file mode 100644
index 000000000000..309da8091a92
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: same-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..e7d9438c14b4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'same-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "same-origin",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
new file mode 100644
index 000000000000..309da8091a92
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: same-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..548025dafc32
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'same-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="same-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "same-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
new file mode 100644
index 000000000000..d6e828c54d51
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/same-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-origin-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'same-origin'</title>
+    <meta name="description" content="Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="same-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "same-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/spec.src.json b/tests/wpt/web-platform-tests/referrer-policy/spec.src.json
index e67b8c53a94b..f96eaf594e5c 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/spec.src.json
+++ b/tests/wpt/web-platform-tests/referrer-policy/spec.src.json
@@ -457,7 +457,8 @@
       "origin": "cross-origin",
       "subresource": [
         "worker-request",
-        "module-worker"
+        "module-worker",
+        "shared-worker"
       ],
       "referrer_url": "*"
     },
@@ -471,7 +472,8 @@
       "origin": "*",
       "subresource": [
         "worker-request",
-        "module-worker"
+        "module-worker",
+        "shared-worker"
       ],
       "referrer_url": "*"
     },
@@ -498,6 +500,7 @@
         "xhr-request",
         "worker-request",
         "module-worker",
+        "shared-worker",
         "fetch-request"
       ],
       "referrer_url": "*"
@@ -517,6 +520,7 @@
         "xhr-request",
         "worker-request",
         "module-worker",
+        "shared-worker",
         "fetch-request",
         "area-tag"
       ],
@@ -543,7 +547,8 @@
       "origin": "*",
       "subresource": [
         "worker-request",
-        "module-worker"
+        "module-worker",
+        "shared-worker"
       ],
       "referrer_url": "*"
     },
@@ -626,6 +631,7 @@
       "xhr-request",
       "worker-request",
       "module-worker",
+      "shared-worker",
       "fetch-request"
     ],
 
@@ -645,6 +651,7 @@
     "script-tag": "/referrer-policy/generic/subresource/script.py",
     "worker-request": "/referrer-policy/generic/subresource/worker.py",
     "module-worker": "/referrer-policy/generic/subresource/worker.py",
+    "shared-worker": "/referrer-policy/generic/subresource/shared-worker.py",
     "xhr-request": "/referrer-policy/generic/subresource/xhr.py"
   }
 }
diff --git a/tests/wpt/web-platform-tests/referrer-policy/spec_json.js b/tests/wpt/web-platform-tests/referrer-policy/spec_json.js
index 5377df740f75..32a32fbc35d8 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/spec_json.js
+++ b/tests/wpt/web-platform-tests/referrer-policy/spec_json.js
@@ -1 +1 @@
-var SPEC_JSON = {"subresource_path": {"img-tag": "/referrer-policy/generic/subresource/image.py", "fetch-request": "/referrer-policy/generic/subresource/xhr.py", "module-worker": "/referrer-policy/generic/subresource/worker.py", "a-tag": "/referrer-policy/generic/subresource/document.py", "area-tag": "/referrer-policy/generic/subresource/document.py", "iframe-tag": "/referrer-policy/generic/subresource/document.py", "xhr-request": "/referrer-policy/generic/subresource/xhr.py", "worker-request": "/referrer-policy/generic/subresource/worker.py", "script-tag": "/referrer-policy/generic/subresource/script.py"}, "test_expansion_schema": {"origin": ["same-origin", "cross-origin"], "subresource": ["iframe-tag", "img-tag", "script-tag", "a-tag", "area-tag", "xhr-request", "worker-request", "module-worker", "fetch-request"], "target_protocol": ["http", "https"], "expansion": ["default", "override"], "delivery_method": ["http-rp", "meta-referrer", "attr-referrer", "rel-noreferrer"], "redirection": ["no-redirect", "keep-origin-redirect", "swap-origin-redirect"], "referrer_url": ["omitted", "origin", "stripped-referrer"], "source_protocol": ["http", "https"]}, "specification": [{"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policies", "referrer_policy": null, "title": "Referrer Policy is not explicitly defined", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}], "name": "unset-referrer-policy", "description": "Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer", "referrer_policy": "no-referrer", "title": "Referrer Policy is set to 'no-referrer'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}], "name": "no-referrer", "description": "Check that sub-resource never gets the referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade", "referrer_policy": "no-referrer-when-downgrade", "title": "Referrer Policy is set to 'no-referrer-when-downgrade'", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}], "name": "no-referrer-when-downgrade", "description": "Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin", "referrer_policy": "origin", "title": "Referrer Policy is set to 'origin'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}], "name": "origin", "description": "Check that all subresources in all casses get only the origin portion of the referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin", "referrer_policy": "same-origin", "title": "Referrer Policy is set to 'same-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-secure-default", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "*", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-origin", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}], "name": "same-origin", "description": "Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin", "referrer_policy": "origin-when-cross-origin", "title": "Referrer Policy is set to 'origin-when-cross-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-secure-default", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-upgrade", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-downgrade", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "*", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-origin", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}], "name": "origin-when-cross-origin", "description": "Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin", "referrer_policy": "strict-origin", "title": "Referrer Policy is set to 'strict-origin'", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}], "name": "strict-origin", "description": "Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin", "referrer_policy": "strict-origin-when-cross-origin", "title": "Referrer Policy is set to 'strict-origin-when-cross-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-insecure", "target_protocol": "http", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-secure", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-secure", "target_protocol": "https", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-secure", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}], "name": "strict-origin-when-cross-origin", "description": "Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url", "referrer_policy": "unsafe-url", "title": "Referrer Policy is set to 'unsafe-url'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "*", "subresource": "*"}], "name": "unsafe-url", "description": "Check that all sub-resources get the stripped referrer URL."}], "referrer_policy_schema": [null, "no-referrer", "no-referrer-when-downgrade", "same-origin", "origin", "origin-when-cross-origin", "strict-origin", "strict-origin-when-cross-origin", "unsafe-url"], "excluded_tests": [{"origin": "cross-origin", "name": "cross-origin-workers", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["worker-request", "module-worker"]}, {"origin": "*", "name": "upgraded-protocol-workers", "target_protocol": "https", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "http", "subresource": ["worker-request", "module-worker"]}, {"origin": "*", "name": "mixed-content-insecure-subresources", "target_protocol": "http", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "elements-not-supporting-attr-referrer", "target_protocol": "*", "expansion": "*", "delivery_method": ["attr-referrer"], "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["xhr-request", "worker-request", "module-worker", "fetch-request"]}, {"origin": "*", "name": "elements-not-supporting-rel-noreferrer", "target_protocol": "*", "expansion": "*", "delivery_method": ["rel-noreferrer"], "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["iframe-tag", "img-tag", "script-tag", "xhr-request", "worker-request", "module-worker", "fetch-request", "area-tag"]}, {"origin": "*", "name": "area-tag", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": "area-tag"}, {"origin": "*", "name": "worker-requests-with-swap-origin-redirect", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "swap-origin-redirect", "referrer_url": "*", "source_protocol": "*", "subresource": ["worker-request", "module-worker"]}, {"origin": "*", "name": "overhead-for-redirection", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": ["keep-origin-redirect", "swap-origin-redirect"], "referrer_url": "*", "source_protocol": "*", "subresource": ["a-tag", "area-tag"]}, {"origin": "*", "name": "source-https-unsupported-by-web-platform-tests-runners", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "https", "subresource": "*"}]};
+var SPEC_JSON = {"subresource_path": {"img-tag": "/referrer-policy/generic/subresource/image.py", "xhr-request": "/referrer-policy/generic/subresource/xhr.py", "fetch-request": "/referrer-policy/generic/subresource/xhr.py", "module-worker": "/referrer-policy/generic/subresource/worker.py", "a-tag": "/referrer-policy/generic/subresource/document.py", "area-tag": "/referrer-policy/generic/subresource/document.py", "iframe-tag": "/referrer-policy/generic/subresource/document.py", "shared-worker": "/referrer-policy/generic/subresource/shared-worker.py", "worker-request": "/referrer-policy/generic/subresource/worker.py", "script-tag": "/referrer-policy/generic/subresource/script.py"}, "test_expansion_schema": {"origin": ["same-origin", "cross-origin"], "subresource": ["iframe-tag", "img-tag", "script-tag", "a-tag", "area-tag", "xhr-request", "worker-request", "module-worker", "shared-worker", "fetch-request"], "target_protocol": ["http", "https"], "expansion": ["default", "override"], "delivery_method": ["http-rp", "meta-referrer", "attr-referrer", "rel-noreferrer"], "redirection": ["no-redirect", "keep-origin-redirect", "swap-origin-redirect"], "referrer_url": ["omitted", "origin", "stripped-referrer"], "source_protocol": ["http", "https"]}, "specification": [{"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policies", "referrer_policy": null, "title": "Referrer Policy is not explicitly defined", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}], "name": "unset-referrer-policy", "description": "Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer", "referrer_policy": "no-referrer", "title": "Referrer Policy is set to 'no-referrer'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}], "name": "no-referrer", "description": "Check that sub-resource never gets the referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-no-referrer-when-downgrade", "referrer_policy": "no-referrer-when-downgrade", "title": "Referrer Policy is set to 'no-referrer-when-downgrade'", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}], "name": "no-referrer-when-downgrade", "description": "Check that non a priori insecure subresource gets the full Referrer URL. A priori insecure subresource gets no referrer information."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin", "referrer_policy": "origin", "title": "Referrer Policy is set to 'origin'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}], "name": "origin", "description": "Check that all subresources in all casses get only the origin portion of the referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-same-origin", "referrer_policy": "same-origin", "title": "Referrer Policy is set to 'same-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-secure-default", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "*", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-origin", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "*", "subresource": "*"}], "name": "same-origin", "description": "Check that cross-origin subresources get no referrer information and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-origin-when-cross-origin", "referrer_policy": "origin-when-cross-origin", "title": "Referrer Policy is set to 'origin-when-cross-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-secure-default", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-upgrade", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-downgrade", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-origin-insecure", "target_protocol": "*", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-origin", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "*", "subresource": "*"}], "name": "origin-when-cross-origin", "description": "Check that cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin", "referrer_policy": "strict-origin", "title": "Referrer Policy is set to 'strict-origin'", "test_expansion": [{"origin": "*", "name": "insecure-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "secure-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}], "name": "strict-origin", "description": "Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin", "referrer_policy": "strict-origin-when-cross-origin", "title": "Referrer Policy is set to 'strict-origin-when-cross-origin'", "test_expansion": [{"origin": "same-origin", "name": "same-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "http", "subresource": "*"}, {"origin": "same-origin", "name": "same-insecure", "target_protocol": "http", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-insecure", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "upgrade-protocol", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "http", "subresource": "*"}, {"origin": "*", "name": "downgrade-protocol", "target_protocol": "http", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "omitted", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-secure", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "https", "subresource": "*"}, {"origin": "same-origin", "name": "same-secure", "target_protocol": "https", "expansion": "override", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "swap-origin-redirect", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}, {"origin": "cross-origin", "name": "cross-secure", "target_protocol": "https", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "origin", "source_protocol": "https", "subresource": "*"}], "name": "strict-origin-when-cross-origin", "description": "Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL."}, {"specification_url": "https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url", "referrer_policy": "unsafe-url", "title": "Referrer Policy is set to 'unsafe-url'", "test_expansion": [{"origin": "*", "name": "generic", "target_protocol": "*", "expansion": "default", "delivery_method": ["http-rp", "meta-referrer", "attr-referrer"], "redirection": "*", "referrer_url": "stripped-referrer", "source_protocol": "*", "subresource": "*"}], "name": "unsafe-url", "description": "Check that all sub-resources get the stripped referrer URL."}], "referrer_policy_schema": [null, "no-referrer", "no-referrer-when-downgrade", "same-origin", "origin", "origin-when-cross-origin", "strict-origin", "strict-origin-when-cross-origin", "unsafe-url"], "excluded_tests": [{"origin": "cross-origin", "name": "cross-origin-workers", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["worker-request", "module-worker", "shared-worker"]}, {"origin": "*", "name": "upgraded-protocol-workers", "target_protocol": "https", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "http", "subresource": ["worker-request", "module-worker", "shared-worker"]}, {"origin": "*", "name": "mixed-content-insecure-subresources", "target_protocol": "http", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "https", "subresource": "*"}, {"origin": "*", "name": "elements-not-supporting-attr-referrer", "target_protocol": "*", "expansion": "*", "delivery_method": ["attr-referrer"], "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["xhr-request", "worker-request", "module-worker", "shared-worker", "fetch-request"]}, {"origin": "*", "name": "elements-not-supporting-rel-noreferrer", "target_protocol": "*", "expansion": "*", "delivery_method": ["rel-noreferrer"], "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": ["iframe-tag", "img-tag", "script-tag", "xhr-request", "worker-request", "module-worker", "shared-worker", "fetch-request", "area-tag"]}, {"origin": "*", "name": "area-tag", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "*", "subresource": "area-tag"}, {"origin": "*", "name": "worker-requests-with-swap-origin-redirect", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "swap-origin-redirect", "referrer_url": "*", "source_protocol": "*", "subresource": ["worker-request", "module-worker", "shared-worker"]}, {"origin": "*", "name": "overhead-for-redirection", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": ["keep-origin-redirect", "swap-origin-redirect"], "referrer_url": "*", "source_protocol": "*", "subresource": ["a-tag", "area-tag"]}, {"origin": "*", "name": "source-https-unsupported-by-web-platform-tests-runners", "target_protocol": "*", "expansion": "*", "delivery_method": "*", "redirection": "*", "referrer_url": "*", "source_protocol": "https", "subresource": "*"}]};
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
new file mode 100644
index 000000000000..ae16346f3adf
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin-when-cross-origin'</title>
+    <meta name="description" content="Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin-when-cross-origin",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.headers
new file mode 100644
index 000000000000..d74467b0af6f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: strict-origin-when-cross-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
new file mode 100644
index 000000000000..118bb0a3c454
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin-when-cross-origin'</title>
+    <meta name="description" content="Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin-when-cross-origin",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.headers
new file mode 100644
index 000000000000..d74467b0af6f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: strict-origin-when-cross-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
new file mode 100644
index 000000000000..a567c3388611
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/same-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin-when-cross-origin'</title>
+    <meta name="description" content="Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="strict-origin-when-cross-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin-when-cross-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
new file mode 100644
index 000000000000..ede59d3c13de
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin-when-cross-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/same-insecure.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin-when-cross-origin'</title>
+    <meta name="description" content="Check that a priori insecure subresource gets no referrer information. Otherwise, cross-origin subresources get the origin portion of the referrer URL and same-origin get the stripped referrer URL.">
+    <meta name="referrer" content="strict-origin-when-cross-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin-when-cross-origin">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin-when-cross-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..1be3aa77d065
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
new file mode 100644
index 000000000000..07af8e286fd7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: strict-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..ea834022713c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
new file mode 100644
index 000000000000..07af8e286fd7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: strict-origin
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..aa874fda9222
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information.">
+    <meta name="referrer" content="strict-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..056494df00ba
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/strict-origin/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'strict-origin'</title>
+    <meta name="description" content="Check that non a priori insecure subresource gets only the origin portion of the referrer URL. A priori insecure subresource gets no referrer information.">
+    <meta name="referrer" content="strict-origin">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-strict-origin">
+    <meta name="assert" content="The referrer URL is origin when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "strict-origin",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "origin"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..53cfed58c20a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'unsafe-url'</title>
+    <meta name="description" content="Check that all sub-resources get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "unsafe-url",
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..c67e52158439
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: unsafe-url
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..4621243bb65a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'unsafe-url'</title>
+    <meta name="description" content="Check that all sub-resources get the stripped referrer URL.">
+    <!-- No meta: Referrer policy delivered via HTTP headers. -->
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "unsafe-url",
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
new file mode 100644
index 000000000000..c67e52158439
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html.headers
@@ -0,0 +1,2 @@
+Referrer-Policy: unsafe-url
+Access-Control-Allow-Origin: *
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
new file mode 100644
index 000000000000..6fb87153b289
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'unsafe-url'</title>
+    <meta name="description" content="Check that all sub-resources get the stripped referrer URL.">
+    <meta name="referrer" content="unsafe-url">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "unsafe-url",
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
new file mode 100644
index 000000000000..f1f759257f63
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unsafe-url/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is set to 'unsafe-url'</title>
+    <meta name="description" content="Check that all sub-resources get the stripped referrer URL.">
+    <meta name="referrer" content="unsafe-url">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-unsafe-url">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": "unsafe-url",
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..f5b7e511b362
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is not explicitly defined</title>
+    <meta name="description" content="Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policies">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": null,
+          "delivery_method": "http-rp",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..526e24ac4c9e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is not explicitly defined</title>
+    <meta name="description" content="Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policies">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the http-rp
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": null,
+          "delivery_method": "http-rp",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..a32157dca017
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is not explicitly defined</title>
+    <meta name="description" content="Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policies">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with keep-origin-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": null,
+          "delivery_method": "meta-referrer",
+          "redirection": "keep-origin-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
new file mode 100644
index 000000000000..7031f36f36f8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/referrer-policy/unset-referrer-policy/meta-referrer/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by referrer-policy/generic/tools/generate.py using referrer-policy/generic/template/test.release.html.template. -->
+<html>
+  <head>
+    <title>Referrer-Policy: Referrer Policy is not explicitly defined</title>
+    <meta name="description" content="Check that referrer URL follows no-referrer-when-downgrade policy when no explicit Referrer Policy is set.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="https://w3c.github.io/webappsec-referrer-policy/#referrer-policies">
+    <meta name="assert" content="The referrer URL is stripped-referrer when a
+                                 document served over http requires an http
+                                 sub-resource via shared-worker using the meta-referrer
+                                 delivery method with no-redirect and when
+                                 the target request is same-origin.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <!-- TODO(kristijanburnik): Minify and merge both: -->
+    <script src="/referrer-policy/generic/common.js"></script>
+    <script src="/referrer-policy/generic/referrer-policy-test-case.js?pipe=sub"></script>
+  </head>
+  <body>
+    <script>
+      ReferrerPolicyTestCase(
+        {
+          "referrer_policy": null,
+          "delivery_method": "meta-referrer",
+          "redirection": "no-redirect",
+          "origin": "same-origin",
+          "source_protocol": "http",
+          "target_protocol": "http",
+          "subresource": "shared-worker",
+          "subresource_path": "/referrer-policy/generic/subresource/shared-worker.py",
+          "referrer_url": "stripped-referrer"
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-after-full-event.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-after-full-event.html
new file mode 100644
index 000000000000..07897b5d28df
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-after-full-event.html
@@ -0,0 +1,77 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset="utf-8">
+<link rel="help" href="https://w3c.github.io/resource-timing/#dom-performance-setresourcetimingbuffersize">
+<title>This test validates that setResourceTimingBufferFull behaves appropriately when set to the current buffer level.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+let eventFired = false;
+let loadRandomResource = () => {
+    return fetch(window.location.href + "?" + Math.random());
+}
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(100);
+});
+
+let loadResourcesToFillFutureBuffer = () => {
+    return new Promise(resolve => {
+        // Gather up 3 Resource Entries to kick off the rest of test behavior.
+        let resources = 0;
+        let observer = new PerformanceObserver(function(list) {
+            resources += list.getEntriesByType("resource").length;
+            if (resources !== 3)
+                return;
+            observer.disconnect();
+            resolve();
+        });
+        observer.observe({entryTypes: ["resource"]});
+        for (let i = 0; i < 3; ++i)
+            loadRandomResource();
+    });
+};
+
+let setBufferFullEventAndBufferSize = () => {
+    performance.setResourceTimingBufferSize(3);
+    performance.onresourcetimingbufferfull = function() {
+        eventFired = true;
+        performance.clearResourceTimings();
+    };
+};
+
+let clearAndAddAnotherEntryToBuffer = () => {
+    return new Promise(resolve => {
+        performance.clearResourceTimings();
+        loadRandomResource().then(resolve);
+    });
+};
+
+let testThatEntryWasAdded = () => {
+    return new Promise((resolve, reject) => {
+        let waitForIt = function() {
+            if (performance.getEntriesByType("resource").length) {
+                resolve();
+            } else {
+                reject("After buffer full, entry never added to primary");
+            }
+        }
+        step_timeout(waitForIt, 0);
+    });
+};
+
+promise_test(async () => {
+    await loadResourcesToFillFutureBuffer();
+    setBufferFullEventAndBufferSize();
+    // Overflow the buffer.
+    await loadRandomResource();
+    await waitForEventToFire();
+    await clearAndAddAnotherEntryToBuffer();
+    await testThatEntryWasAdded();
+}, "Test that entry was added to the buffer after a buffer full event");
+</script>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback-that-drop.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback-that-drop.html
new file mode 100644
index 000000000000..d61d2af05c67
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback-that-drop.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(resource_timing_buffer_size);
+});
+
+let overflowTheBufferAndWaitForEvent = () => {
+    return new Promise(resolve => {
+        var add_entry = () => {
+            performance.setResourceTimingBufferSize(resource_timing_buffer_size + 1);
+            // The sync entry is added to the secondary buffer, so will be the last one there and eventually dropped.
+            xhrScript("resources/empty.js?xhr");
+            resolve();
+        }
+        performance.addEventListener('resourcetimingbufferfull', add_entry);
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js');
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 2,
+                  'Both entries should be stored in resource timing buffer since its increases size once it overflows.');
+    assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
+    assert_true(entries[1].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    await overflowTheBufferAndWaitForEvent();
+    // TODO(yoav): Figure out why this task is needed
+    await waitForNextTask();
+    testThatBufferContainsTheRightResources();
+}, "Test that entries synchronously added to the buffer during the callback are dropped");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback.html
new file mode 100644
index 000000000000..b37c47b23fb5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-entries-during-callback.html
@@ -0,0 +1,50 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(resource_timing_buffer_size);
+});
+
+let overflowTheBufferAndWaitForEvent = () => {
+    return new Promise(resolve => {
+        var add_entry = () => {
+            performance.setResourceTimingBufferSize(resource_timing_buffer_size + 2);
+            xhrScript("resources/empty.js?xhr");
+            resolve();
+        }
+        performance.addEventListener('resourcetimingbufferfull', add_entry);
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js');
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 3,
+                  'All entries should be stored in resource timing buffer since its increases size once it overflows.');
+    assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
+    assert_true(entries[1].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
+    assert_true(entries[2].name.includes('empty.js?xhr'), "empty.js?xhr is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    await overflowTheBufferAndWaitForEvent();
+    await waitForNextTask();
+    testThatBufferContainsTheRightResources();
+}, "Test that entries synchronously added to the buffer during the callback don't get dropped if the buffer is increased");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-then-clear.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-then-clear.html
new file mode 100644
index 000000000000..710852ced55f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-add-then-clear.html
@@ -0,0 +1,49 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    performance.addEventListener('resourcetimingbufferfull', () => { assert_unreached("resourcetimingbufferfull should not fire")});
+});
+
+let overflowTheBuffer = () => {
+    // These resources overflow the entry buffer, and go into the secondary buffer.
+    xhrScript('resources/empty.js?xhr2');
+    xhrScript('resources/empty.js?xhr3');
+    performance.clearResourceTimings();
+    performance.setResourceTimingBufferSize(3);
+    xhrScript('resources/empty.js?xhr4');
+    window.entriesAfterAddition = performance.getEntriesByType('resource');
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 3,
+                  'the last 3 resources should be in the buffer, since the first one was cleared');
+    assert_true(entries[0].name.includes('empty.js?xhr2'), "empty.js?xhr2 is in the entries buffer");
+    assert_true(entries[1].name.includes('empty.js?xhr3'), "empty.js?xhr3 is in the entries buffer");
+    assert_true(entries[2].name.includes('empty.js?xhr4'), "empty.js?xhr4 is in the entries buffer");
+    assert_equals(entriesAfterAddition.length, 0, "No entries should have been added to the primary buffer before the task to 'fire a buffer full event'.");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    overflowTheBuffer();
+    await waitForNextTask();
+    testThatBufferContainsTheRightResources();
+}, "Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-decrease-buffer-during-callback.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-decrease-buffer-during-callback.html
new file mode 100644
index 000000000000..e6de33ded1b7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-decrease-buffer-during-callback.html
@@ -0,0 +1,49 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates that decreasing the buffer size in onresourcetimingbufferfull callback does not result in extra entries being dropped.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 2;
+let eventFired = false;
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    let resize = () => {
+        performance.setResourceTimingBufferSize(resource_timing_buffer_size - 1);
+        eventFired = true;
+    }
+    performance.addEventListener('resourcetimingbufferfull', resize);
+});
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        // Since the buffer size doesn't increase, it will eventually be dropped.
+        appendScript('resources/empty_script.js', resolve);
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 2,
+                  'Both entries should be stored in resource timing buffer since it decreased its limit only after it overflowed.');
+    assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
+    assert_true(entries[1].name.includes('empty.js?second'), "empty.js?second is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithTwoResources('resources/empty.js');
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    testThatBufferContainsTheRightResources();
+}, "Test that decreasing the buffer limit during the callback does not drop entries");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-increase-buffer-during-callback.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-increase-buffer-during-callback.html
new file mode 100644
index 000000000000..b46d2d65690a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-increase-buffer-during-callback.html
@@ -0,0 +1,49 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates increasing the buffer size in onresourcetimingbufferfull callback of resource timing.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+let eventFired = false;
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    var increase = function() {
+        performance.setResourceTimingBufferSize(resource_timing_buffer_size * 2);
+        eventFired = true;
+    }
+    performance.addEventListener('resourcetimingbufferfull', increase);
+});
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js', resolve);
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 2,
+                  'Both entries should be stored in resource timing buffer since its increases size once it overflows.');
+    assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
+    assert_true(entries[1].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    testThatBufferContainsTheRightResources();
+}, "Test that increasing the buffer during the callback is enough for entries not to be dropped");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-inspect-buffer-during-callback.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-inspect-buffer-during-callback.html
new file mode 100644
index 000000000000..d46d4692a55b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-inspect-buffer-during-callback.html
@@ -0,0 +1,56 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates the buffer doesn't contain more entries than it should inside onresourcetimingbufferfull callback.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+let resource_timing_buffer_size = 2;
+let eventFired = false;
+
+setup(() => {
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    var resize = function() {
+        assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size, "resource timing buffer in resourcetimingbufferfull is the size of the limit");
+        ++resource_timing_buffer_size;
+        performance.setResourceTimingBufferSize(resource_timing_buffer_size);
+        xhrScript("resources/empty.js?xhr");
+        assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size - 1, "A sync request was not added to the primary buffer just yet, because it is full");
+        ++resource_timing_buffer_size;
+        performance.setResourceTimingBufferSize(resource_timing_buffer_size);
+        eventFired = true;
+    }
+    performance.addEventListener('resourcetimingbufferfull', resize);
+});
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js', resolve);
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, resource_timing_buffer_size,
+                  'All 4 entries should be stored in resource timing buffer.');
+    assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
+    assert_true(entries[1].name.includes('empty.js?second'), "empty.js?second is in the entries buffer");
+    assert_true(entries[2].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
+    assert_true(entries[3].name.includes('empty.js?xhr'), "empty.js?xhr is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithTwoResources('resources/empty.js');
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    testThatBufferContainsTheRightResources();
+}, "Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-set-to-current-buffer.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-set-to-current-buffer.html
new file mode 100644
index 000000000000..1e5486ec2cdf
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-set-to-current-buffer.html
@@ -0,0 +1,82 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset="utf-8">
+<link rel="help" href="https://w3c.github.io/resource-timing/#dom-performance-setresourcetimingbuffersize">
+<title>This test validates that setResourceTimingBufferFull behaves appropriately when set to the current buffer level.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+let eventFired = false;
+
+let loadRandomResource = () => {
+    return fetch(window.location.href + "?" + Math.random());
+};
+
+setup(() => {
+    // Get the browser into a consistent state.
+    clearBufferAndSetSize(100);
+    window.result = "";
+});
+
+let fillUpTheBuffer = () => {
+    return new Promise(resolve => {
+        // Gather up 3 Resource Entries to kick off the rest of test behavior.
+        let resources = 0;
+        let observer = new PerformanceObserver(list => {
+            resources += list.getEntriesByType("resource").length;
+            if (resources !== 3)
+                return;
+            observer.disconnect();
+            resolve();
+        });
+        observer.observe({entryTypes: ["resource"]});
+        for (let i = 0; i < 3; ++i)
+            loadRandomResource();
+    });
+};
+
+let setBufferSize = () => {
+    performance.onresourcetimingbufferfull = () => {
+        eventFired = true;
+        window.result += "Event Fired with "  + performance.getEntriesByType("resource").length + " entries. ";
+        performance.clearResourceTimings();
+    };
+    window.result += "before setLimit(3). ";
+    performance.setResourceTimingBufferSize(3);
+    window.result += "after setLimit(3). ";
+};
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        loadRandomResource().then(() => {
+            window.result += "after loading 4th resource. ";
+            resolve();
+        });
+    });
+};
+
+let checkResult = () => {
+    return new Promise((resolve, reject) => {
+        if (window.result != "before setLimit(3). after setLimit(3). after loading 4th resource. Event Fired with 3 entries. ") {
+            reject("Non matching value: " + window.result);
+        }
+        let entries = performance.getEntriesByType("resource");
+        if (entries.length != 1) {
+            reject("Number of entries in resource timing buffer is unexpected: " + entries.length);
+        }
+        resolve();
+    });
+};
+
+promise_test(async () => {
+    await fillUpTheBuffer();
+    setBufferSize();
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    await checkResult();
+}, "Test that entries added and event firing happened in the right sequence");
+</script>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-store-and-clear-during-callback.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-store-and-clear-during-callback.html
new file mode 100644
index 000000000000..f0791cba6b39
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-store-and-clear-during-callback.html
@@ -0,0 +1,55 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates the behavior of read and clear operation in onresourcetimingbufferfull callback of resource timing.</title>
+<link rel="author" title="Intel" href="http://www.intel.com/" />
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+let global_buffer = [];
+let eventFired = false;
+
+setup(() => {
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    let store_and_clear = function() {
+        const entryList = performance.getEntriesByType('resource');
+        entryList.forEach(function (entry) {
+            global_buffer.push(entry);
+        });
+        performance.clearResourceTimings();
+        eventFired = true;
+    }
+    performance.addEventListener('resourcetimingbufferfull', store_and_clear);
+});
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js', resolve);
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    let entries = performance.getEntriesByType('resource');
+    assert_equals(entries.length, 1,
+                  "Only the last entry should be stored in resource timing buffer since it's cleared once it overflows.");
+    assert_equals(global_buffer.length, 1, '1 resource timing entry should be moved to global buffer.');
+    assert_true(global_buffer[0].name.includes('empty.js'), "empty.js is in the global buffer");
+    assert_true(entries[0].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    testThatBufferContainsTheRightResources();
+}, "Test that entries overflowing the buffer trigger the buffer full event, can be stored, and find themselves in the primary buffer after it's cleared.");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-then-increased.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-then-increased.html
new file mode 100644
index 000000000000..2265077fc15a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-then-increased.html
@@ -0,0 +1,44 @@
+<!DOCTYPE HTML>
+<html>
+<head onload>
+<meta charset="utf-8" />
+<title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title>
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 1;
+
+setup(() => {
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    performance.addEventListener('resourcetimingbufferfull', () => { assert_unreached("resourcetimingbufferfull should not fire"); });
+});
+
+let overflowTheBuffer = () => {
+    // These resources overflow the entry buffer, and go into the secondary buffer.
+    xhrScript('resources/empty.js?xhr2');
+    xhrScript('resources/empty.js?xhr3');
+    performance.setResourceTimingBufferSize(3);
+};
+
+let testThatBufferContainsTheRightResources = () => {
+        let entries = performance.getEntriesByType('resource');
+        assert_equals(entries.length, 3,
+                      'All resources should be in the buffer, since its size was increased');
+        assert_true(entries[0].name.includes('empty.js'), "empty.js?xhr2 is in the entries buffer");
+        assert_true(entries[1].name.includes('empty.js?xhr2'), "empty.js?xhr3 is in the entries buffer");
+        assert_true(entries[2].name.includes('empty.js?xhr3'), "empty.js?xhr3 is in the entries buffer");
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithSingleResource("resources/empty.js");
+    overflowTheBuffer();
+    await waitForNextTask();
+    testThatBufferContainsTheRightResources();
+}, "Test that overflowing the buffer and immediately increasing its limit does not trigger the resourcetimingbufferfull event");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/buffer-full-when-populate-entries.html b/tests/wpt/web-platform-tests/resource-timing/buffer-full-when-populate-entries.html
new file mode 100644
index 000000000000..00d2ae0e4426
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/buffer-full-when-populate-entries.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset="utf-8" />
+<link rel="author" title="Intel" href="http://www.intel.com/" />
+<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
+<title>This test validates the functionality of onresourcetimingbufferfull in resource timing.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+const resource_timing_buffer_size = 2;
+let bufferFullCount = 0;
+let eventFired = false;
+setup(() => {
+    clearBufferAndSetSize(resource_timing_buffer_size);
+    performance.addEventListener('resourcetimingbufferfull', e => {
+        assert_equals(e.bubbles, false, "Event bubbles attribute is false");
+        bufferFullCount++;
+        eventFired = true;
+    });
+});
+
+let overflowTheBuffer = () => {
+    return new Promise(resolve => {
+        // This resource overflows the entry buffer, and goes into the secondary buffer.
+        appendScript('resources/empty_script.js', resolve);
+    });
+};
+
+let testThatBufferContainsTheRightResources = () => {
+    assert_equals(performance.getEntriesByType('resource').length, resource_timing_buffer_size, 'There should only be |bufferSize| resource entries.');
+    assert_equals(bufferFullCount, 1, 'onresourcetimingbufferfull should have been invoked once.');
+};
+
+promise_test(async () => {
+    await fillUpTheBufferWithTwoResources('resources/empty.js');
+    await overflowTheBuffer();
+    await waitForEventToFire();
+    testThatBufferContainsTheRightResources();
+}, "Test that a buffer full event does not bubble and that resourcetimingbufferfull is called only once per overflow");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/resource_timing.worker.js b/tests/wpt/web-platform-tests/resource-timing/resource_timing.worker.js
index 92687f0f7b62..dafd2e9af602 100644
--- a/tests/wpt/web-platform-tests/resource-timing/resource_timing.worker.js
+++ b/tests/wpt/web-platform-tests/resource-timing/resource_timing.worker.js
@@ -59,6 +59,6 @@ async_test(t => {
   .then(() => {
     t.done();
   });
-}, "Performance Resouce Entries in workers");
+}, "Performance Resource Entries in workers");
 
 done();
diff --git a/tests/wpt/web-platform-tests/resource-timing/resource_timing_buffer_full_when_populate_entries.html b/tests/wpt/web-platform-tests/resource-timing/resource_timing_buffer_full_when_populate_entries.html
deleted file mode 100644
index 3e62b199a32b..000000000000
--- a/tests/wpt/web-platform-tests/resource-timing/resource_timing_buffer_full_when_populate_entries.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-<meta charset="utf-8" />
-<link rel="author" title="Intel" href="http://www.intel.com/" />
-<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
-<title>This test validates the functionality of onresourcetimingbufferfull in resource timing.</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="resources/webperftestharness.js"></script>
-<script src="resources/webperftestharnessextension.js"></script>
-</head>
-<body onload=onload_test()>
-<script>
-    const context = new PerformanceContext(performance);
-    const bufferSize = 5;
-    context.setResourceTimingBufferSize(bufferSize);
-    let bufferFullCount = 0;
-    function buffer_full_callback() {
-        bufferFullCount++;
-    }
-    context.registerResourceTimingBufferFullCallback(buffer_full_callback);
-    // Scripts appended in JS to ensure setResourceTimingBufferSize is called before.
-    function appendScript(src) {
-        const script = document.createElement('script');
-        script.type = 'text/javascript';
-        script.src = src;
-        document.body.appendChild(script);
-    }
-    appendScript('resources/empty.js');
-    appendScript('resources/empty_script.js');
-    appendScript('resources/resource_timing_test0.js');
-    setup({ explicit_done: true });
-    function onload_test() {
-        test_equals(context.getEntriesByType('resource').length, bufferSize, 'There should only be |bufferSize| resource entries.');
-        test_equals(bufferFullCount, 1, 'onresourcetimingbufferfull should have been invoked once buffer is full.');
-        done();
-    }
-</script>
-</body>
-</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/resource_timing_store_and_clear_during_callback.html b/tests/wpt/web-platform-tests/resource-timing/resource_timing_store_and_clear_during_callback.html
deleted file mode 100644
index 218fc0c2bcd5..000000000000
--- a/tests/wpt/web-platform-tests/resource-timing/resource_timing_store_and_clear_during_callback.html
+++ /dev/null
@@ -1,56 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head onload>
-<meta charset="utf-8" />
-<title>This test validates the behavior of read and clear operation in onresourcetimingbufferfull callback of resource timing.</title>
-<link rel="author" title="Intel" href="http://www.intel.com/" />
-<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="resources/webperftestharness.js"></script>
-<script src="resources/webperftestharnessextension.js"></script>
-</head>
-<body onload=onload_test()>
-<script>
-    const context = new PerformanceContext(performance);
-    const resource_timing_buffer_size = 1;
-    let global_buffer = [];
-    function store_and_clear() {
-        const entryList = context.getEntriesByType('resource');
-        entryList.forEach(function (entry) {
-            global_buffer.push(entry);
-        });
-        context.clearResourceTimings();
-    }
-    context.registerResourceTimingBufferFullCallback(store_and_clear);
-    context.setResourceTimingBufferSize(resource_timing_buffer_size);
-    // Scripts appended in JS to ensure setResourceTimingBufferSize is called before.
-    function appendScript(src) {
-        const script = document.createElement('script');
-        script.type = 'text/javascript';
-        script.src = src;
-        document.body.appendChild(script);
-    }
-    appendScript('resources/empty.js');
-    appendScript('resources/empty_script.js');
-    appendScript('resources/resource_timing_test0.js');
-    setup({ explicit_done: true });
-    function onload_test() {
-        test_equals(context.getEntriesByType('resource').length, 0, 'No entry should be stored in resource timing buffer since its cleared once an item arrived.');
-        // The entry for empty.js must not be in the global buffer, but all others should be.
-        test_equals(global_buffer.length, 6, '6 resource timing entries should be moved to global buffer.');
-        const index = window.location.pathname.lastIndexOf('resource-timing');
-        const pathname = window.location.pathname.substring(0, index);
-        let expected_entries = {};
-        expected_entries[pathname + 'resources/testharness.js'] = 'script';
-        expected_entries[pathname + 'resources/testharnessreport.js'] = 'script';
-        expected_entries[pathname + 'resource-timing/resources/webperftestharness.js'] = 'script';
-        expected_entries[pathname + 'resource-timing/resources/webperftestharnessextension.js'] = 'script';
-        expected_entries[pathname + 'resource-timing/resources/empty_script.js'] = 'script';
-        expected_entries[pathname + 'resource-timing/resources/resource_timing_test0.js'] = 'script';
-        test_resource_entries(global_buffer, expected_entries);
-        done();
-    }
-</script>
-</body>
-</html>
diff --git a/tests/wpt/web-platform-tests/resource-timing/resources/buffer-full-utilities.js b/tests/wpt/web-platform-tests/resource-timing/resources/buffer-full-utilities.js
new file mode 100644
index 000000000000..b143da7b325f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resource-timing/resources/buffer-full-utilities.js
@@ -0,0 +1,58 @@
+let appendScript = (src, resolve) => {
+    const script = document.createElement('script');
+    script.type = 'text/javascript';
+    script.src = src;
+    script.onload = resolve;
+    document.body.appendChild(script);
+}
+
+let xhrScript = src => {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", src, false);
+    xhr.send(null);
+}
+
+let waitForNextTask = () => {
+    return new Promise(resolve => {
+        step_timeout(resolve, 0);
+    });
+};
+
+let waitForEventToFire = () => {
+    return new Promise(resolve => {
+        let waitForIt = function() {
+            if (eventFired) {
+                eventFired = false;
+                resolve();
+            } else {
+                step_timeout(waitForIt, 0);
+            }
+        }
+        step_timeout(waitForIt, 0);
+    });
+};
+
+let clearBufferAndSetSize = size => {
+    performance.clearResourceTimings();
+    performance.setResourceTimingBufferSize(size);
+}
+
+let fillUpTheBufferWithSingleResource = src => {
+    return new Promise(resolve => {
+        // This resource gets buffered in the resource timing entry buffer.
+        appendScript(src, resolve);
+    });
+};
+
+let loadResource = src => {
+    return new Promise(resolve => {
+        appendScript(src, resolve);
+    });
+};
+
+let fillUpTheBufferWithTwoResources = async src => {
+    // These resources get buffered in the resource timing entry buffer.
+    await loadResource(src);
+    await loadResource(src + '?second');
+};
+
diff --git a/tests/wpt/web-platform-tests/custom-elements/resources/custom-elements-helpers.js b/tests/wpt/web-platform-tests/resources/custom-elements-helpers.js
similarity index 99%
rename from tests/wpt/web-platform-tests/custom-elements/resources/custom-elements-helpers.js
rename to tests/wpt/web-platform-tests/resources/custom-elements-helpers.js
index 015a698c63e5..6f73fe20d0fb 100644
--- a/tests/wpt/web-platform-tests/custom-elements/resources/custom-elements-helpers.js
+++ b/tests/wpt/web-platform-tests/resources/custom-elements-helpers.js
@@ -4,7 +4,7 @@ function create_window_in_test(t, srcdoc) {
     f.srcdoc = srcdoc ? srcdoc : '';
     f.onload = (event) => {
       let w = f.contentWindow;
-      t.add_cleanup(() => f.parentNode && f.remove());
+      t.add_cleanup(() => f.remove());
       resolve(w);
     };
     document.body.appendChild(f);
diff --git a/tests/wpt/web-platform-tests/resources/testdriver-actions.js b/tests/wpt/web-platform-tests/resources/testdriver-actions.js
index ddec3c44af09..43d8b1df00ae 100644
--- a/tests/wpt/web-platform-tests/resources/testdriver-actions.js
+++ b/tests/wpt/web-platform-tests/resources/testdriver-actions.js
@@ -22,6 +22,14 @@
   }
 
   Actions.prototype = {
+    ButtonType: {
+      LEFT: 0,
+      MIDDLE: 1,
+      RIGHT: 2,
+      BACK: 3,
+      FORWARD: 4,
+    },
+
     /**
      * Generate the action sequence suitable for passing to
      * test_driver.action_sequence
@@ -98,7 +106,7 @@
      * @returns {Actions}
      */
     addKeyboard: function(name, set=true) {
-      this.createSource("key", name, true);
+      this.createSource("key", name);
       if (set) {
         this.setKeyboard(name);
       }
@@ -125,7 +133,7 @@
      * @returns {Actions}
      */
     addPointer: function(name, pointerType="mouse", set=true) {
-      this.createSource("pointer", name, true, {pointerType: pointerType});
+      this.createSource("pointer", name, {pointerType: pointerType});
       if (set) {
         this.setPointer(name);
       }
@@ -225,7 +233,7 @@
      *                               pointer source
      * @returns {Actions}
      */
-    pointerDown: function({button=0, sourceName=null}={}) {
+    pointerDown: function({button=this.ButtonType.LEFT, sourceName=null}={}) {
       let source = this.getSource("pointer", sourceName);
       source.pointerDown(this, button);
       return this;
@@ -239,7 +247,7 @@
      *                               source
      * @returns {Actions}
      */
-    pointerUp: function({button=0, sourceName=null}={}) {
+    pointerUp: function({button=this.ButtonType.LEFT, sourceName=null}={}) {
       let source = this.getSource("pointer", sourceName);
       source.pointerUp(this, button);
       return this;
diff --git a/tests/wpt/web-platform-tests/resources/testdriver.js b/tests/wpt/web-platform-tests/resources/testdriver.js
index e0741e8d61d4..ea380dbd3c32 100644
--- a/tests/wpt/web-platform-tests/resources/testdriver.js
+++ b/tests/wpt/web-platform-tests/resources/testdriver.js
@@ -192,7 +192,7 @@
          * @returns {Promise} fufiled after the actions are performed, or rejected in
          *                    the cases the WebDriver command errors
          */
-        action_sequence(actions) {
+        action_sequence: function(actions) {
             return window.test_driver_internal.action_sequence(actions);
         }
     };
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/performance-timeline-worker.js b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/performance-timeline-worker.js
index a752b436524e..cac327c34bf9 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/performance-timeline-worker.js
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/performance-timeline-worker.js
@@ -44,19 +44,13 @@ promise_test(function(test) {
               assert_greater_than(entry.startTime, 0);
               assert_greater_than(entry.responseEnd, entry.startTime);
           }
-          return Promise.race([
-            new Promise(function(resolve) {
+          return new Promise(function(resolve) {
               performance.onresourcetimingbufferfull = _ => {
                 resolve('bufferfull');
               }
               performance.setResourceTimingBufferSize(expectedResources.length);
-            }),
-
-            // Race the bufferfull event against another fetch.  We should get the
-            // event before this completes.  This allows us to detect a failure
-            // to dispatch the event without timing out the entire test.
-            fetch('dummy.txt').then(resp => resp.text())
-          ]);
+              fetch('dummy.txt');
+          });
         })
       .then(function(result) {
           assert_equals(result, 'bufferfull');
diff --git a/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh b/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
index 355272922479..6336ba3f7973 100755
--- a/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
+++ b/tests/wpt/web-platform-tests/signed-exchange/resources/generate-test-sxgs.sh
@@ -38,6 +38,22 @@ gen-signedexchange \
   -o sxg-location.sxg \
   -miRecordSize 100
 
+# Request method is HEAD.
+gen-signedexchange \
+  -version 1b2 \
+  -method HEAD \
+  -uri $inner_url_origin/signed-exchange/resources/inner-url.html \
+  -status 200 \
+  -content sxg-location.html \
+  -certificate $certfile \
+  -certUrl $cert_url_origin/signed-exchange/resources/$certfile.cbor \
+  -validityUrl $inner_url_origin/signed-exchange/resources/resource.validity.msg \
+  -privateKey $keyfile \
+  -date 2018-04-01T00:00:00Z \
+  -expire 168h \
+  -o sxg-head-request.sxg \
+  -miRecordSize 100
+
 # validityUrl is different origin from request URL.
 gen-signedexchange \
   -version 1b2 \
diff --git a/tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg b/tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg
new file mode 100644
index 0000000000000000000000000000000000000000..9d09647481c18a0cf8c77af198b2eff15c950b96
GIT binary patch
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ii+hvJn;)M(zwmsyUVriv9^6Z~4>m4qp%W&Vm9}5|084rR

literal 0
HcmV?d00001

diff --git a/tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg.headers b/tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg.headers
new file mode 100644
index 000000000000..ab188e54e05b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/signed-exchange/resources/sxg-head-request.sxg.headers
@@ -0,0 +1 @@
+Content-Type: application/signed-exchange;v=b2
diff --git a/tests/wpt/web-platform-tests/signed-exchange/sxg-head-request.tentative.html b/tests/wpt/web-platform-tests/signed-exchange/sxg-head-request.tentative.html
new file mode 100644
index 000000000000..83b427b6cf19
--- /dev/null
+++ b/tests/wpt/web-platform-tests/signed-exchange/sxg-head-request.tentative.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Loading SignedHTTPExchange with HEAD request method must fail</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="./resources/sxg-util.js"></script>
+<body>
+<script>
+promise_test(async (t) => {
+  const sxgUrl = get_host_info().HTTPS_ORIGIN + '/signed-exchange/resources/sxg-head-request.sxg';
+  const message = await openSXGInIframeAndWaitForMessage(t, sxgUrl);
+  assert_equals(message.location, innerURLOrigin() + '/signed-exchange/resources/inner-url.html');
+  assert_true(message.is_fallback);
+}, 'Loading SignedHTTPExchange with HEAD request method must fail');
+
+</script>
+</body>
diff --git a/tests/wpt/web-platform-tests/storage/estimate-usage-details-indexeddb.https.tentative.any.js b/tests/wpt/web-platform-tests/storage/estimate-usage-details-indexeddb.https.tentative.any.js
new file mode 100644
index 000000000000..c854d5b88486
--- /dev/null
+++ b/tests/wpt/web-platform-tests/storage/estimate-usage-details-indexeddb.https.tentative.any.js
@@ -0,0 +1,59 @@
+// META: title=StorageManager: estimate() usage details for indexeddb
+// META: script=helpers.js
+// META: script=../IndexedDB/support-promises.js
+
+promise_test(async t => {
+  const estimate = await navigator.storage.estimate()
+  assert_equals(typeof estimate.usageDetails, 'object');
+}, 'estimate() resolves to dictionary with usageDetails member');
+
+promise_test(async t => {
+  // We use 100KB here because db compaction usually happens every few MB
+  // 100KB is large enough to avoid a false positive (small amounts of metadata
+  // getting written for some random reason), and small enough to avoid
+  // compaction with a reasonably high probability.
+  const writeSize = 1024 * 100;
+  const objectStoreName = 'store';
+  const dbname = self.location.pathname;
+
+  await indexedDB.deleteDatabase(dbname);
+  let usageAfterWrite, usageBeforeWrite;
+  // TODO(crbug.com/906867): Refactor this test to better deal with db/log
+  //                         compaction flakiness
+  // The for loop here is to help make this test less flaky.  The reason it is
+  // flaky is that database and/or log compaction could happen in the middle of
+  // this loop.  The problem is that this test runs in a large batch of tests,
+  // and previous tests might have created a lot of garbage which could trigger
+  // compaction.  Suppose the initial estimate shows 1MB usage before creating
+  // the db.  Compaction could happen after this step and before we measure
+  // usage at the end, meaning the 1MB could be wiped to 0, an extra 1024 * 100
+  // is put in, and the actual increase in usage does not reach our expected
+  // increase.  Loop 10 times here to be safe (and reduce the number of bot
+  // builds that fail); all it takes is one iteration without compaction for
+  // this to pass.
+  for (let i = 0; i < 10; i++) {
+    const db = await createDB(dbname, objectStoreName, t);
+    let estimate = await navigator.storage.estimate();
+
+    // If usage is 0, usageDetails does not include the usage (undefined)
+    usageBeforeWrite = estimate.usageDetails.indexedDB || 0;
+
+    const txn = db.transaction(objectStoreName, 'readwrite');
+    const valueToStore = largeValue(writeSize, Math.random() * 255);
+    txn.objectStore(objectStoreName).add(valueToStore, 1);
+
+    await transactionPromise(txn);
+
+    estimate = await navigator.storage.estimate();
+    usageAfterWrite = estimate.usageDetails.indexedDB;
+    db.close();
+
+    if (usageAfterWrite - usageBeforeWrite >= writeSize) {
+      break;
+    }
+  }
+
+  assert_greater_than_equal(usageAfterWrite - usageBeforeWrite,
+      writeSize);
+}, 'estimate() usage details reflects increase in indexedDB after large ' +
+   'value is stored');
diff --git a/tests/wpt/web-platform-tests/storage/helpers.js b/tests/wpt/web-platform-tests/storage/helpers.js
new file mode 100644
index 000000000000..fbc746a30b6d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/storage/helpers.js
@@ -0,0 +1,43 @@
+/**
+ * @description - Function will create a database with the supplied name
+ *                and also create an object store with the specified name.
+ *                If a db with the name dbName exists, this will raze the
+ *                existing DB beforehand.
+ * @param {string} dbName
+ * @param {string} objectStoreName
+ * @param {testCase} t
+ * @returns {Promise} - A promise that resolves to an indexedDB open request
+ */
+function createDB(dbName, objectStoreName, t) {
+  return new Promise((resolve, reject) => {
+    const openRequest = indexedDB.open(dbName);
+    t.add_cleanup(() => {
+      indexedDB.deleteDatabase(dbName);
+    });
+
+    openRequest.onerror = () => {
+      reject(openRequest.error);
+    };
+    openRequest.onsuccess = () => {
+      resolve(openRequest.result);
+    };
+    openRequest.onupgradeneeded = event => {
+      openRequest.result.createObjectStore(objectStoreName);
+    };
+  });
+}
+
+/**
+ * @description - This function will wrap an IDBTransaction in a promise,
+ *                resolving in the oncomplete() method and rejecting with the
+ *                transaction error in the onabort() case.
+ * @param {IDBTransaction} transaction - The transaction to wrap in a promise.
+ * @returns {Promise} - A promise that resolves when the transaction is either
+ *                      aborted or completed.
+ */
+function transactionPromise(transaction) {
+  return new Promise((resolve, reject) => {
+    transaction.onabort = () => { reject(transaction.error); };
+    transaction.oncomplete = () => { resolve(); };
+  });
+}
diff --git a/tests/wpt/web-platform-tests/streams/piping/pipe-through.any.js b/tests/wpt/web-platform-tests/streams/piping/pipe-through.any.js
index c259513b2b36..2b896f515180 100644
--- a/tests/wpt/web-platform-tests/streams/piping/pipe-through.any.js
+++ b/tests/wpt/web-platform-tests/streams/piping/pipe-through.any.js
@@ -1,6 +1,7 @@
 // META: global=worker
 // META: script=../resources/rs-utils.js
 // META: script=../resources/test-utils.js
+// META: script=../resources/recording-streams.js
 'use strict';
 
 function duckTypedPassThroughTransform() {
@@ -56,167 +57,97 @@ promise_test(() => {
 }, 'Piping through a transform errored on the writable end does not cause an unhandled promise rejection');
 
 test(() => {
-  let calledWithArgs;
-  const dummy = {
-    pipeTo(...args) {
-      calledWithArgs = args;
-
-      // Does not return anything, testing the spec's guard against trying to mark [[PromiseIsHandled]] on undefined.
-    }
-  };
-
-  const fakeWritable = { fake: 'writable' };
-  const fakeReadable = { fake: 'readable' };
-  const arg2 = { arg: 'arg2' };
-  const arg3 = { arg: 'arg3' };
-  const result =
-    ReadableStream.prototype.pipeThrough.call(dummy, { writable: fakeWritable, readable: fakeReadable }, arg2, arg3);
-
-  assert_array_equals(calledWithArgs, [fakeWritable, arg2],
-    'The this value\'s pipeTo method should be called with the appropriate arguments');
-  assert_equals(result, fakeReadable, 'return value should be the passed readable property');
-
-}, 'pipeThrough generically calls pipeTo with the appropriate args');
-
-test(() => {
-  const dummy = {
-    pipeTo() {
-      return { not: 'a promise' };
-    }
-  };
-
-  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());
-
-  // Test passes if this doesn't throw or crash.
-
-}, 'pipeThrough can handle calling a pipeTo that returns a non-promise object');
-
-test(() => {
-  const dummy = {
-    pipeTo() {
-      return {
-        then() {},
-        this: 'is not a real promise'
-      };
-    }
-  };
-
-  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());
-
-  // Test passes if this doesn't throw or crash.
-
-}, 'pipeThrough can handle calling a pipeTo that returns a non-promise thenable object');
-
-promise_test(() => {
-  const dummy = {
+  let calledPipeTo = false;
+  class BadReadableStream extends ReadableStream {
     pipeTo() {
-      return Promise.reject(new Error('this rejection should not be reported as unhandled'));
+      calledPipeTo = true;
     }
-  };
-
-  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());
-
-  // The test harness should complain about unhandled rejections by then.
-  return flushAsyncEvents();
-
-}, 'pipeThrough should mark a real promise from a fake readable as handled');
-
-test(() => {
-  let thenCalled = false;
-  let catchCalled = false;
-  const dummy = {
-    pipeTo() {
-      const fakePromise = Object.create(Promise.prototype);
-      fakePromise.then = () => {
-        thenCalled = true;
-      };
-      fakePromise.catch = () => {
-        catchCalled = true;
-      };
-      assert_true(fakePromise instanceof Promise, 'fakePromise fools instanceof');
-      return fakePromise;
-    }
-  };
-
-  // An incorrect implementation which uses an internal method to mark the promise as handled will throw or crash here.
-  ReadableStream.prototype.pipeThrough.call(dummy, uninterestingReadableWritablePair());
-
-  // An incorrect implementation that tries to mark the promise as handled by calling .then() or .catch() on the object
-  // will fail these tests.
-  assert_false(thenCalled, 'then should not be called');
-  assert_false(catchCalled, 'catch should not be called');
-}, 'pipeThrough should not be fooled by an object whose instanceof Promise returns true');
-
-test(() => {
-  const pairs = [
-    {},
-    { readable: undefined, writable: undefined },
-    { readable: 'readable' },
-    { readable: 'readable', writable: undefined },
-    { writable: 'writable' },
-    { readable: undefined, writable: 'writable' }
-  ];
-  for (let i = 0; i < pairs.length; ++i) {
-    const pair = pairs[i];
-    const rs = new ReadableStream();
-    assert_throws(new TypeError(), () => rs.pipeThrough(pair),
-                  `pipeThrough should throw for argument ${JSON.stringify(pair)} (index ${i});`);
-  }
-}, 'undefined readable or writable arguments should cause pipeThrough to throw');
-
-test(() => {
-  const invalidArguments = [null, 0, NaN, '', [], {}, false, () => {}];
-  for (const arg of invalidArguments) {
-    const rs = new ReadableStream();
-    assert_equals(arg, rs.pipeThrough({ writable: new WritableStream(), readable: arg }),
-                  'pipeThrough() should not throw for readable: ' + JSON.stringify(arg));
-    const rs2 = new ReadableStream();
-    assert_equals(rs2, rs.pipeThrough({ writable: arg, readable: rs2 }),
-                  'pipeThrough() should not throw for writable: ' + JSON.stringify(arg));
   }
-}, 'invalid but not undefined arguments should not cause pipeThrough to throw');
-
-test(() => {
 
-  const thisValue = {
-    pipeTo() {
-      assert_unreached('pipeTo should not be called');
+  const brs = new BadReadableStream({
+    start(controller) {
+      controller.close();
     }
+  });
+  const readable = new ReadableStream();
+  const writable = new WritableStream();
+  const result = brs.pipeThrough({ readable, writable });
+
+  assert_false(calledPipeTo, 'the overridden pipeTo should not have been called');
+  assert_equals(result, readable, 'return value should be the passed readable property');
+}, 'pipeThrough should not call pipeTo on this');
+
+test(t => {
+  let calledFakePipeTo = false;
+  const realPipeTo = ReadableStream.prototype.pipeTo;
+  t.add_cleanup(() => {
+    ReadableStream.prototype.pipeTo = realPipeTo;
+  });
+  ReadableStream.prototype.pipeTo = () => {
+    calledFakePipeTo = true;
   };
+  const rs = new ReadableStream();
+  const readable = new ReadableStream();
+  const writable = new WritableStream();
+  const result = rs.pipeThrough({ readable, writable });
 
-  methodThrows(ReadableStream.prototype, 'pipeThrough', thisValue, [undefined, {}]);
-  methodThrows(ReadableStream.prototype, 'pipeThrough', thisValue, [null, {}]);
+  assert_false(calledFakePipeTo, 'the monkey-patched pipeTo should not have been called');
+  assert_equals(result, readable, 'return value should be the passed readable property');
 
-}, 'pipeThrough should throw when its first argument is not convertible to an object');
+}, 'pipeThrough should not call pipeTo on the ReadableStream prototype');
 
-test(() => {
+const badReadables = [null, undefined, 0, NaN, true, 'ReadableStream', Object.create(ReadableStream.prototype)];
+for (const readable of badReadables) {
+  test(() => {
+    assert_throws(new TypeError(),
+                  ReadableStream.prototype.pipeThrough.bind(readable, uninterestingReadableWritablePair()),
+                  'pipeThrough should throw');
+  }, `pipeThrough should brand-check this and not allow '${readable}'`);
 
-  const args = [{ readable: {}, writable: {} }, {}];
-
-  methodThrows(ReadableStream.prototype, 'pipeThrough', undefined, args);
-  methodThrows(ReadableStream.prototype, 'pipeThrough', null, args);
-  methodThrows(ReadableStream.prototype, 'pipeThrough', 1, args);
-  methodThrows(ReadableStream.prototype, 'pipeThrough', { pipeTo: 'test' }, args);
-
-}, 'pipeThrough should throw when "this" has no pipeTo method');
+  test(() => {
+    const rs = new ReadableStream();
+    const writable = new WritableStream();
+    let writableGetterCalled = false;
+    assert_throws(new TypeError(), () => rs.pipeThrough({
+      get writable() {
+        writableGetterCalled = true;
+        return new WritableStream();
+      },
+      readable
+    }),
+                  'pipeThrough should brand-check readable');
+    assert_true(writableGetterCalled, 'writable should have been accessed');
+  }, `pipeThrough should brand-check readable and not allow '${readable}'`);
+}
 
-test(() => {
-  const error = new Error('potato');
+const badWritables = [null, undefined, 0, NaN, true, 'WritableStream', Object.create(WritableStream.prototype)];
+for (const writable of badWritables) {
+  test(() => {
+    const rs = new ReadableStream({
+      start(c) {
+        c.close();
+      }
+    });
+    let readableGetterCalled = false;
+    assert_throws(new TypeError(), () => rs.pipeThrough({
+      get readable() {
+        readableGetterCalled = true;
+        return new ReadableStream();
+      },
+      writable
+    }),
+                  'pipeThrough should brand-check writable');
+    assert_true(readableGetterCalled, 'readable should have been accessed');
+  }, `pipeThrough should brand-check writable and not allow '${writable}'`);
+}
 
-  const throwingPipeTo = {
-    get pipeTo() {
-      throw error;
-    }
-  };
-  assert_throws(error,
-    () => ReadableStream.prototype.pipeThrough.call(throwingPipeTo, { readable: { }, writable: { } }, {}),
-    'pipeThrough should rethrow the error thrown by pipeTo');
+test(t => {
+  const error = new Error();
+  error.name = 'custom';
 
-  const thisValue = {
-    pipeTo() {
-      assert_unreached('pipeTo should not be called');
-    }
-  };
+  const rs = new ReadableStream({
+    pull: t.unreached_func('pull should not be called')
+  }, { highWaterMark: 0 });
 
   const throwingWritable = {
     readable: {},
@@ -225,8 +156,8 @@ test(() => {
     }
   };
   assert_throws(error,
-    () => ReadableStream.prototype.pipeThrough.call(thisValue, throwingWritable, {}),
-    'pipeThrough should rethrow the error thrown by the writable getter');
+                () => ReadableStream.prototype.pipeThrough.call(rs, throwingWritable, {}),
+                'pipeThrough should rethrow the error thrown by the writable getter');
 
   const throwingReadable = {
     get readable() {
@@ -235,22 +166,90 @@ test(() => {
     writable: {}
   };
   assert_throws(error,
-    () => ReadableStream.prototype.pipeThrough.call(thisValue, throwingReadable, {}),
-    'pipeThrough should rethrow the error thrown by the readable getter');
+                () => ReadableStream.prototype.pipeThrough.call(rs, throwingReadable, {}),
+                'pipeThrough should rethrow the error thrown by the readable getter');
 
-}, 'pipeThrough should rethrow errors from accessing pipeTo, readable, or writable');
+}, 'pipeThrough should rethrow errors from accessing readable or writable');
+
+const badSignals = [null, 0, NaN, true, 'AbortSignal', Object.create(AbortSignal.prototype)];
+for (const signal of badSignals) {
+  test(() => {
+    const rs = new ReadableStream();
+    assert_throws(new TypeError(), () => rs.pipeThrough(uninterestingReadableWritablePair(), { signal }),
+                  'pipeThrough should throw');
+  }, `invalid values of signal should throw; specifically '${signal}'`);
+}
 
 test(() => {
+  const rs = new ReadableStream();
+  const controller = new AbortController();
+  const signal = controller.signal;
+  rs.pipeThrough(uninterestingReadableWritablePair(), { signal });
+}, 'pipeThrough should accept a real AbortSignal');
 
-  let count = 0;
-  const thisValue = {
-    pipeTo() {
-      ++count;
-    }
-  };
+test(() => {
+  const rs = new ReadableStream();
+  rs.getReader();
+  assert_throws(new TypeError(), () => rs.pipeThrough(uninterestingReadableWritablePair()),
+                'pipeThrough should throw');
+}, 'pipeThrough should throw if this is locked');
 
-  ReadableStream.prototype.pipeThrough.call(thisValue, { readable: {}, writable: {} });
+test(() => {
+  const rs = new ReadableStream();
+  const writable = new WritableStream();
+  const readable = new ReadableStream();
+  writable.getWriter();
+  assert_throws(new TypeError(), () => rs.pipeThrough({writable, readable}),
+                'pipeThrough should throw');
+}, 'pipeThrough should throw if writable is locked');
+
+test(() => {
+  const rs = new ReadableStream();
+  const writable = new WritableStream();
+  const readable = new ReadableStream();
+  readable.getReader();
+  assert_equals(rs.pipeThrough({ writable, readable }), readable,
+                'pipeThrough should not throw');
+}, 'pipeThrough should not care if readable is locked');
+
+promise_test(() => {
+  const rs = recordingReadableStream();
+  const writable = new WritableStream({
+    start(controller) {
+      controller.error();
+    }
+  });
+  const readable = new ReadableStream();
+  rs.pipeThrough({ writable, readable }, { preventCancel: true });
+  return flushAsyncEvents(0).then(() => {
+    assert_array_equals(rs.events, ['pull'], 'cancel should not have been called');
+  });
+}, 'preventCancel should work');
 
-  assert_equals(count, 1, 'pipeTo was called once');
+promise_test(() => {
+  const rs = new ReadableStream({
+    start(controller) {
+      controller.close();
+    }
+  });
+  const writable = recordingWritableStream();
+  const readable = new ReadableStream();
+  rs.pipeThrough({ writable, readable }, { preventClose: true });
+  return flushAsyncEvents(0).then(() => {
+    assert_array_equals(writable.events, [], 'writable should not be closed');
+  });
+}, 'preventClose should work');
 
-}, 'pipeThrough should work with no options argument');
+promise_test(() => {
+  const rs = new ReadableStream({
+    start(controller) {
+      controller.error();
+    }
+  });
+  const writable = recordingWritableStream();
+  const readable = new ReadableStream();
+  rs.pipeThrough({ writable, readable }, { preventAbort: true });
+  return flushAsyncEvents(0).then(() => {
+    assert_array_equals(writable.events, [], 'writable should not be aborted');
+  });
+}, 'preventAbort should work');
diff --git a/tests/wpt/web-platform-tests/streams/readable-streams/general.any.js b/tests/wpt/web-platform-tests/streams/readable-streams/general.any.js
index 21b1812ea3f1..5e8a4af76c46 100644
--- a/tests/wpt/web-platform-tests/streams/readable-streams/general.any.js
+++ b/tests/wpt/web-platform-tests/streams/readable-streams/general.any.js
@@ -67,7 +67,7 @@ test(() => {
   assert_equals(rs.cancel.length, 1, 'cancel should have 1 parameter');
   assert_equals(rs.constructor.length, 0, 'constructor should have no parameters');
   assert_equals(rs.getReader.length, 0, 'getReader should have no parameters');
-  assert_equals(rs.pipeThrough.length, 2, 'pipeThrough should have 2 parameters');
+  assert_equals(rs.pipeThrough.length, 1, 'pipeThrough should have 1 parameters');
   assert_equals(rs.pipeTo.length, 1, 'pipeTo should have 1 parameter');
   assert_equals(rs.tee.length, 0, 'tee should have no parameters');
 
@@ -772,11 +772,28 @@ test(() => {
 }, 'ReadableStream: desiredSize when errored');
 
 test(() => {
-   class Extended extends ReadableStream {
-     newMethod() { return 'foo' };
-   };
-   assert_equals((new Extended()).newMethod(), 'foo');
-}, 'ReadableStream: ReadableStream is extendable');
+  class Subclass extends ReadableStream {
+    extraFunction() {
+      return true;
+    }
+  }
+  assert_equals(
+      Object.getPrototypeOf(Subclass.prototype), ReadableStream.prototype,
+      'Subclass.prototype\'s prototype should be ReadableStream.prototype');
+  assert_equals(Object.getPrototypeOf(Subclass), ReadableStream,
+                'Subclass\'s prototype should be ReadableStream');
+  const sub = new Subclass();
+  assert_true(sub instanceof ReadableStream,
+              'Subclass object should be an instance of ReadableStream');
+  assert_true(sub instanceof Subclass,
+              'Subclass object should be an instance of Subclass');
+  const lockedGetter = Object.getOwnPropertyDescriptor(
+      ReadableStream.prototype, 'locked').get;
+  assert_equals(lockedGetter.call(sub), sub.locked,
+                'Subclass object should pass brand check');
+  assert_true(sub.extraFunction(),
+              'extraFunction() should be present on Subclass object');
+}, 'Subclassing ReadableStream should work');
 
 test(() => {
 
diff --git a/tests/wpt/web-platform-tests/streams/transform-streams/general.any.js b/tests/wpt/web-platform-tests/streams/transform-streams/general.any.js
index 533797b9d1ad..0b012a91a90f 100644
--- a/tests/wpt/web-platform-tests/streams/transform-streams/general.any.js
+++ b/tests/wpt/web-platform-tests/streams/transform-streams/general.any.js
@@ -437,3 +437,27 @@ test(() => {
 test(() => {
   assert_throws(new RangeError(), () => new TransformStream({ writableType: 'bytes' }), 'constructor should throw');
 }, 'specifying a defined writableType should throw');
+
+test(() => {
+  class Subclass extends TransformStream {
+    extraFunction() {
+      return true;
+    }
+  }
+  assert_equals(
+      Object.getPrototypeOf(Subclass.prototype), TransformStream.prototype,
+      'Subclass.prototype\'s prototype should be TransformStream.prototype');
+  assert_equals(Object.getPrototypeOf(Subclass), TransformStream,
+                'Subclass\'s prototype should be TransformStream');
+  const sub = new Subclass();
+  assert_true(sub instanceof TransformStream,
+              'Subclass object should be an instance of TransformStream');
+  assert_true(sub instanceof Subclass,
+              'Subclass object should be an instance of Subclass');
+  const readableGetter = Object.getOwnPropertyDescriptor(
+      TransformStream.prototype, 'readable').get;
+  assert_equals(readableGetter.call(sub), sub.readable,
+                'Subclass object should pass brand check');
+  assert_true(sub.extraFunction(),
+              'extraFunction() should be present on Subclass object');
+}, 'Subclassing TransformStream should work');
diff --git a/tests/wpt/web-platform-tests/streams/writable-streams/general.any.js b/tests/wpt/web-platform-tests/streams/writable-streams/general.any.js
index ddf616ef8672..6ddae1f8a3e9 100644
--- a/tests/wpt/web-platform-tests/streams/writable-streams/general.any.js
+++ b/tests/wpt/web-platform-tests/streams/writable-streams/general.any.js
@@ -244,3 +244,27 @@ promise_test(() => {
     });
   });
 }, 'ready promise should fire before closed on releaseLock');
+
+test(() => {
+  class Subclass extends WritableStream {
+    extraFunction() {
+      return true;
+    }
+  }
+  assert_equals(
+      Object.getPrototypeOf(Subclass.prototype), WritableStream.prototype,
+      'Subclass.prototype\'s prototype should be WritableStream.prototype');
+  assert_equals(Object.getPrototypeOf(Subclass), WritableStream,
+                'Subclass\'s prototype should be WritableStream');
+  const sub = new Subclass();
+  assert_true(sub instanceof WritableStream,
+              'Subclass object should be an instance of WritableStream');
+  assert_true(sub instanceof Subclass,
+              'Subclass object should be an instance of Subclass');
+  const lockedGetter = Object.getOwnPropertyDescriptor(
+      WritableStream.prototype, 'locked').get;
+  assert_equals(lockedGetter.call(sub), sub.locked,
+                'Subclass object should pass brand check');
+  assert_true(sub.extraFunction(),
+              'extraFunction() should be present on Subclass object');
+}, 'Subclassing WritableStream should work');
diff --git a/tests/wpt/web-platform-tests/svg/painting/parsing/fill-opacity-computed.svg b/tests/wpt/web-platform-tests/svg/painting/parsing/fill-opacity-computed.svg
new file mode 100644
index 000000000000..aa24d3efe813
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/parsing/fill-opacity-computed.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>SVG Geometry Properties: getComputedValue().fillOpacity</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/painting.html#FillOpacity"/>
+    <h:meta name="assert" content="fill-opacity computed value is clamped to the range [0,1]."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/computed-testcommon.js"/>
+  <script><![CDATA[
+
+test_computed_value("fill-opacity", "-1", "0");
+test_computed_value("fill-opacity", "0.5");
+test_computed_value("fill-opacity", "3", "1");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/painting/parsing/stroke-opacity-computed.svg b/tests/wpt/web-platform-tests/svg/painting/parsing/stroke-opacity-computed.svg
new file mode 100644
index 000000000000..58cb144935a3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/painting/parsing/stroke-opacity-computed.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>SVG Geometry Properties: getComputedValue().strokeOpacity</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/painting.html#StrokeOpacityProperty"/>
+    <h:meta name="assert" content="stroke-opacity computed value is clamped to the range [0,1]."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/computed-testcommon.js"/>
+  <script><![CDATA[
+
+test_computed_value("stroke-opacity", "-1", "0");
+test_computed_value("stroke-opacity", "0.5");
+test_computed_value("stroke-opacity", "3", "1");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-computed.svg b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-computed.svg
new file mode 100644
index 000000000000..cb0f8295ce47
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-computed.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>SVG Paint Servers: getComputedValue().stopOpacity</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/pservers.html#StopOpacityProperty"/>
+    <h:meta name="assert" content="stop-opacity computed value is clamped to the range [0,1]."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/computed-testcommon.js"/>
+  <script><![CDATA[
+
+test_computed_value("stop-opacity", "-1", "0");
+test_computed_value("stop-opacity", "0.5");
+test_computed_value("stop-opacity", "3", "1");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-invalid.svg b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-invalid.svg
new file mode 100644
index 000000000000..eae9343d1472
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-invalid.svg
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>SVG Paint Servers: parsing stop-opacity with invalid values</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/pservers.html#StopOpacityProperty"/>
+    <h:meta name="assert" content="stop-opacity supports only the grammar 'alpha-value'."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/parsing-testcommon.js"/>
+  <script><![CDATA[
+
+test_invalid_value("stop-opacity", "1.");
+test_invalid_value("stop-opacity", "2 3");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-valid.svg b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-valid.svg
new file mode 100644
index 000000000000..73516f62c152
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/pservers/parsing/stop-opacity-valid.svg
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:h="http://www.w3.org/1999/xhtml"
+     width="800px" height="800px">
+  <title>SVG Paint Servers: parsing stop-opacity with valid values</title>
+  <metadata>
+    <h:link rel="help" href="https://svgwg.org/svg2-draft/pservers.html#StopOpacityProperty"/>
+    <h:meta name="assert" content="stop-opacity supports the full grammar 'alpha-value'."/>
+  </metadata>
+  <g id="target"></g>
+  <h:script src="/resources/testharness.js"/>
+  <h:script src="/resources/testharnessreport.js"/>
+  <h:script src="/css/support/parsing-testcommon.js"/>
+  <script><![CDATA[
+
+test_valid_value("stop-opacity", "-1");
+test_valid_value("stop-opacity", "0.5");
+test_valid_value("stop-opacity", "3");
+test_valid_value("stop-opacity", "-100%");
+test_valid_value("stop-opacity", "50%");
+test_valid_value("stop-opacity", "300%");
+
+  ]]></script>
+</svg>
diff --git a/tests/wpt/web-platform-tests/tools/ci/azure/install_safari.yml b/tests/wpt/web-platform-tests/tools/ci/azure/install_safari.yml
index 54d207676835..8b4014c6c877 100644
--- a/tests/wpt/web-platform-tests/tools/ci/azure/install_safari.yml
+++ b/tests/wpt/web-platform-tests/tools/ci/azure/install_safari.yml
@@ -1,8 +1,6 @@
 steps:
 - script: |
-    # Pin to STP 67, as SafariDriver isn't working in 68:
-    # https://github.com/web-platform-tests/wpt/issues/13800
-    HOMEBREW_NO_AUTO_UPDATE=1 brew cask install https://raw.githubusercontent.com/Homebrew/homebrew-cask-versions/23fae0a88868911913c2ee7d527c89164b6d5720/Casks/safari-technology-preview.rb
+    HOMEBREW_NO_AUTO_UPDATE=1 brew cask install Homebrew/homebrew-cask-versions/safari-technology-preview
     # https://web-platform-tests.org/running-tests/safari.html
     sudo "/Applications/Safari Technology Preview.app/Contents/MacOS/safaridriver" --enable
     defaults write com.apple.Safari WebKitJavaScriptCanOpenWindowsAutomatically 1
diff --git a/tests/wpt/web-platform-tests/tools/wpt/browser.py b/tests/wpt/web-platform-tests/tools/wpt/browser.py
index 16cb075ad2dd..959bec70d4e6 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/browser.py
+++ b/tests/wpt/web-platform-tests/tools/wpt/browser.py
@@ -648,10 +648,6 @@ def version(self, binary=None, webdriver_binary=None):
         return m.group(1)
 
 
-class SafariWebDriver(Safari):
-    product = "safari_webdriver"
-
-
 class Servo(Browser):
     """Servo-specific interface."""
 
diff --git a/tests/wpt/web-platform-tests/tools/wpt/install.py b/tests/wpt/web-platform-tests/tools/wpt/install.py
index 817ad418e80f..16f565e9daa1 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/install.py
+++ b/tests/wpt/web-platform-tests/tools/wpt/install.py
@@ -7,7 +7,6 @@
     'firefox': 'nightly',
     'chrome': 'dev',
     'safari': 'preview',
-    'safari_webdriver': 'preview',
     'servo': 'nightly'
 }
 
diff --git a/tests/wpt/web-platform-tests/tools/wpt/run.py b/tests/wpt/web-platform-tests/tools/wpt/run.py
index e10f895294f7..82f0ffcc7991 100644
--- a/tests/wpt/web-platform-tests/tools/wpt/run.py
+++ b/tests/wpt/web-platform-tests/tools/wpt/run.py
@@ -391,11 +391,6 @@ def setup_kwargs(self, kwargs):
             kwargs["webdriver_binary"] = webdriver_binary
 
 
-class SafariWebDriver(Safari):
-    name = "safari_webdriver"
-    browser_cls = browser.SafariWebDriver
-
-
 class Sauce(BrowserSetup):
     name = "sauce"
     browser_cls = browser.Sauce
@@ -451,7 +446,6 @@ def setup_kwargs(self, kwargs):
     "edge_webdriver": EdgeWebDriver,
     "ie": InternetExplorer,
     "safari": Safari,
-    "safari_webdriver": SafariWebDriver,
     "servo": Servo,
     "servodriver": ServoWebDriver,
     "sauce": Sauce,
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/__init__.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/__init__.py
index 6c095f5c5a6b..f86792d47410 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/__init__.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/__init__.py
@@ -30,7 +30,6 @@
                 "firefox",
                 "ie",
                 "safari",
-                "safari_webdriver",
                 "sauce",
                 "servo",
                 "servodriver",
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari.py
index 670098ea2221..1e18f95af704 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari.py
@@ -1,16 +1,16 @@
 from .base import Browser, ExecutorBrowser, require_arg
 from ..webdriver_server import SafariDriverServer
 from ..executors import executor_kwargs as base_executor_kwargs
-from ..executors.executorselenium import (SeleniumTestharnessExecutor,  # noqa: F401
-                                          SeleniumRefTestExecutor)  # noqa: F401
+from ..executors.executorwebdriver import (WebDriverTestharnessExecutor,  # noqa: F401
+                                           WebDriverRefTestExecutor)  # noqa: F401
 from ..executors.executorsafari import SafariDriverWdspecExecutor  # noqa: F401
 
 
 __wptrunner__ = {"product": "safari",
                  "check_args": "check_args",
                  "browser": "SafariBrowser",
-                 "executor": {"testharness": "SeleniumTestharnessExecutor",
-                              "reftest": "SeleniumRefTestExecutor",
+                 "executor": {"testharness": "WebDriverTestharnessExecutor",
+                              "reftest": "WebDriverRefTestExecutor",
                               "wdspec": "SafariDriverWdspecExecutor"},
                  "browser_kwargs": "browser_kwargs",
                  "executor_kwargs": "executor_kwargs",
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari_webdriver.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari_webdriver.py
deleted file mode 100644
index 12735c141b3a..000000000000
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/safari_webdriver.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from .base import inherit
-from . import safari
-
-from ..executors.executorwebdriver import (WebDriverTestharnessExecutor,  # noqa: F401
-                                           WebDriverRefTestExecutor)  # noqa: F401
-
-
-inherit(safari, globals(), "safari_webdriver")
-
-# __wptrunner__ magically appears from inherit, F821 is undefined name
-__wptrunner__["executor"]["testharness"] = "WebDriverTestharnessExecutor"  # noqa: F821
-__wptrunner__["executor"]["reftest"] = "WebDriverRefTestExecutor"  # noqa: F821
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/tests/base.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/tests/base.py
index db518e7b6724..47a31de9ba85 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/tests/base.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/tests/base.py
@@ -19,7 +19,6 @@
     tox_env_extra_browsers = {
         "chrome": {"chrome_android"},
         "edge": {"edge_webdriver"},
-        "safari": {"safari_webdriver"},
         "servo": {"servodriver"},
     }
 
diff --git a/tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward-manual.html b/tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward.html
similarity index 62%
rename from tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward-manual.html
rename to tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward.html
index aa4e944b95cb..787abac44472 100644
--- a/tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward-manual.html
+++ b/tests/wpt/web-platform-tests/uievents/mouse/mouse_buttons_back_forward.html
@@ -6,6 +6,9 @@
         <link rel="author" title="Google" href="http://www.google.com/" />
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <script>
             var testMouseUp = async_test('Tests that the mouseup is preventable.');
             var received_back = false;
@@ -24,10 +27,21 @@
                 testMouseUp.done();
               }
             });
+
+            function inject_input() {
+                // First click on back button and then forward button.
+                var actions = new test_driver.Actions();
+                actions.pointerMove(0, 0, {origin: target})
+                    .pointerDown({button: actions.ButtonType.BACK})
+                    .pointerUp({button: actions.ButtonType.BACK})
+                    .pointerDown({button: actions.ButtonType.FORWARD})
+                    .pointerUp({button: actions.ButtonType.FORWARD})
+                    .send();
+            }
         </script>
 
     </head>
-    <body id="target">
+    <body id="target" onload="inject_input()">
         <h4>Test Description: Tests that the mouseup event is prevented.
             <ol>
                 <li>Click the back mouse button</li>
diff --git a/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream-helper.js b/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream-helper.js
index a87668f5a21e..9563e53d8424 100644
--- a/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream-helper.js
+++ b/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream-helper.js
@@ -35,6 +35,43 @@ function closed_stream_test(test_func, description) {
     return test_func(t, remoteStream);
   }, 'Stream closed by remote reset(): ' + description);
 
+  promise_test(async t => {
+    const [ localQuicTransport, remoteQuicTransport ] =
+        await makeTwoConnectedQuicTransports(t);
+    const localStream = localQuicTransport.createStream();
+    localStream.finish();
+    const remoteWatcher =
+        new EventWatcher(t, remoteQuicTransport, 'quicstream');
+    const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+    remoteStream.finish();
+    await localStream.waitForReadable(localStream.maxReadBufferedAmount);
+    assert_object_equals(
+        localStream.readInto(new Uint8Array(10)),
+        { amount: 0, finished: true });
+    assert_equals(localStream.state, 'closed');
+    return test_func(t, localStream);
+  }, 'Stream closed by finish(), followed by reading remote finish: ' +
+      description);
+
+  promise_test(async t => {
+    const [ localQuicTransport, remoteQuicTransport ] =
+        await makeTwoConnectedQuicTransports(t);
+    const localStream = localQuicTransport.createStream();
+    localStream.write(new Uint8Array(1));
+    const remoteWatcher =
+        new EventWatcher(t, remoteQuicTransport, 'quicstream');
+    const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+    remoteStream.finish();
+    await localStream.waitForReadable(localStream.maxReadBufferedAmount);
+    assert_object_equals(
+        localStream.readInto(new Uint8Array(10)),
+        { amount: 0, finished: true });
+    localStream.finish();
+    assert_equals(localStream.state, 'closed');
+    return test_func(t, localStream);
+  }, 'Stream closed by by reading remote finish, followed by finish(): ' +
+      description);
+
   promise_test(async t => {
     const [ localQuicTransport, remoteQuicTransport ] =
         await makeTwoConnectedQuicTransports(t);
diff --git a/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream.https.html b/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream.https.html
index 08c3a54a9508..1e242985630f 100644
--- a/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream.https.html
+++ b/tests/wpt/web-platform-tests/webrtc-quic/RTCQuicStream.https.html
@@ -119,12 +119,72 @@
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
-    await makeTwoConnectedQuicTransports(t);
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  assert_equals(remoteStream.state, 'open');
+  const remoteStreamWatcher = new EventWatcher(t, remoteStream, 'statechange');
+  await remoteStream.waitForReadable(remoteStream.maxReadBufferedAmount);
+  assert_object_equals(
+      remoteStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+  assert_equals(remoteStream.state, 'closing');
+}, 'waitForReadable() resolves with remote finish');
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(remoteStream.maxReadBufferedAmount);
+  assert_object_equals(
+      remoteStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+  assert_equals(remoteStream.state, 'closing');
+  remoteStream.finish()
+  assert_equals(remoteStream.state, 'closed');
+}, 'finish() on a stream that has already read out finish changes ' +
+    `state to 'closed'.`);
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  remoteStream.finish();
+  assert_equals(localStream.state, 'closing');
+  await localStream.waitForReadable(localStream.maxReadBufferedAmount);
+  assert_object_equals(
+      localStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+  assert_equals(localStream.state, 'closed');
+}, 'Reading out finish on stream that has already called finish()  ' +
+    `state to 'closed'.`);
+
+promise_test(async t => {
+    const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
   const localStream = localQuicTransport.createStream();
-  const promise = localStream.waitForReadable(1);
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(remoteStream.maxReadBufferedAmount);
+  assert_object_equals(
+      remoteStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+  assert_equals(remoteStream.state, 'closing');
   localStream.reset();
-  await promise_rejects(t, 'InvalidStateError', promise);
-}, 'reset() rejects pending waitForReadable() promises.');
+  const remoteStreamWatcher = new EventWatcher(t, remoteStream, 'statechange');
+  await remoteStreamWatcher.wait_for('statechange');
+  assert_equals(remoteStream.state, 'closed');
+}, 'Reading out finish then a getting a remote reset fires a statechange event ' +
+    `to 'closed'.`);
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
@@ -210,6 +270,36 @@
   assert_throws('InvalidStateError', () => stream.write(new Uint8Array()));
 }, 'write() throws InvalidStateError.');
 
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(generateData(10));
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream : remoteStream} = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(10);
+  assert_equals(10, remoteStream.readBufferedAmount);
+  remoteStream.reset();
+  assert_equals(0, remoteStream.readBufferedAmount);
+}, 'readBufferedAmount set to 0 after local reset().');
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(generateData(10));
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream : remoteStream} = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(10);
+  assert_equals(10, remoteStream.readBufferedAmount);
+  localStream.reset();
+  const remoteStreamWatcher =
+        new EventWatcher(t, remoteStream, 'statechange');
+  await remoteStreamWatcher.wait_for('statechange');
+  assert_equals(remoteStream.state, 'closed');
+  assert_equals(0, remoteStream.readBufferedAmount);
+}, 'readBufferedAmount set to 0 after remote reset().');
+
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
       await makeTwoConnectedQuicTransports(t);
@@ -219,6 +309,26 @@
   assert_equals(localStream.writeBufferedAmount, 0);
 }, 'writeBufferedAmount set to 0 after local reset().');
 
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(new Uint8Array(1));
+  const remoteWatcher =
+      new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  remoteStream.finish();
+  await localStream.waitForReadable(localStream.maxReadBufferedAmount);
+  assert_object_equals(
+      localStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true });
+  localStream.write(new Uint8Array(10));
+  assert_equals(localStream.writeBufferedAmount, 10);
+  localStream.finish();
+  assert_equals(localStream.writeBufferedAmount, 0);
+}, 'writeBufferedAmount set to 0 after reading remote finish, followed ' +
+    'by finish().');
+
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
       await makeTwoConnectedQuicTransports(t);
@@ -251,7 +361,7 @@
   await localStream.waitForWriteBufferedAmountBelow(
       localStream.maxWriteBufferedAmount);
 }, 'waitForWriteBufferedAmountBelow(maxWriteBufferedAmount) resolves ' +
-  'immediately.');
+    'immediately.');
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
@@ -265,7 +375,21 @@
       promise_rejects(t, 'InvalidStateError', promise1),
       promise_rejects(t, 'InvalidStateError', promise2)]);
 }, 'Pending waitForWriteBufferedAmountBelow() promises rejected after ' +
-  'finish().');
+    'finish().');
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(new Uint8Array(localStream.maxWriteBufferedAmount));
+  localStream.finish();
+  const promise1 = localStream.waitForWriteBufferedAmountBelow(0);
+  const promise2 = localStream.waitForWriteBufferedAmountBelow(0);
+  await Promise.all([
+      promise_rejects(t, 'InvalidStateError', promise1),
+      promise_rejects(t, 'InvalidStateError', promise2)]);
+}, 'waitForWriteBufferedAmountBelow() promises immediately rejected after ' +
+    'finish().');
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
@@ -279,7 +403,21 @@
       promise_rejects(t, 'InvalidStateError', promise1),
       promise_rejects(t, 'InvalidStateError', promise2)]);
 }, 'Pending waitForWriteBufferedAmountBelow() promises rejected after ' +
-  'reset().');
+    'reset().');
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(new Uint8Array(localStream.maxWriteBufferedAmount));
+  const promise1 = localStream.waitForWriteBufferedAmountBelow(0);
+  const promise2 = localStream.waitForWriteBufferedAmountBelow(0);
+  localQuicTransport.stop();
+  await Promise.all([
+      promise_rejects(t, 'InvalidStateError', promise1),
+      promise_rejects(t, 'InvalidStateError', promise2)]);
+}, 'Pending waitForWriteBufferedAmountBelow() promises rejected after ' +
+    'RTCQuicTransport stop().');
 
 closed_stream_test(async (t, stream) => {
   await promise_rejects(t, 'InvalidStateError',
@@ -292,7 +430,7 @@
   const localStream = localQuicTransport.createStream();
   assert_object_equals(
       localStream.readInto(new Uint8Array(10)),
-      { amount: 0, finished: false });
+      { amount: 0, finished: false } );
 }, 'readInto() on new local stream returns amount 0.');
 
 closed_stream_test(async (t, stream) => {
@@ -311,7 +449,7 @@
   const readBuffer = new Uint8Array(3);
   assert_object_equals(
       remoteStream.readInto(readBuffer),
-      { amount: 1, finished: false });
+      { amount: 1, finished: false } );
   assert_array_equals(readBuffer, [ 65, 0, 0 ]);
   assert_equals(remoteStream.readBufferedAmount, 0);
 }, 'Read 1 byte.');
@@ -337,6 +475,30 @@
   }
 }
 
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  const data = generateData(10);
+  localStream.write(data);
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(data.length + 1);
+  const readBuffer = new Uint8Array(5);
+  assert_object_equals(
+      remoteStream.readInto(readBuffer),
+      { amount: 5, finished: false} );
+  assert_array_equals(
+      readBuffer, data.subarray(0, 5));
+  const finReadBuffer = new Uint8Array(5);
+  assert_object_equals(
+      remoteStream.readInto(finReadBuffer),
+      { amount: 5, finished: true} );
+  assert_array_equals(
+    finReadBuffer, data.subarray(5, data.length));
+}, 'readInto() reads out finish after reading all data.');
+
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
       await makeTwoConnectedQuicTransports(t);
@@ -348,11 +510,24 @@
   const readBuffer = new Uint8Array(localStream.maxReadBufferedAmount);
   assert_object_equals(
       remoteStream.readInto(readBuffer),
-      { amount: localStream.maxReadBufferedAmount, finished: false });
+      { amount: localStream.maxReadBufferedAmount, finished: false } );
   assert_array_equals(
       readBuffer, generateData(localStream.maxReadBufferedAmount));
 }, 'Read maxReadBufferedAmount bytes all at once.');
 
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(remoteStream.maxReadBufferedAmount);
+  assert_object_equals(
+      remoteStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+}, 'waitForReadable() resolves with finish().');
+
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
       await makeTwoConnectedQuicTransports(t);
@@ -366,9 +541,9 @@
   assert_equals(remoteStream.readBufferedAmount, 10);
   const readBuffer = new Uint8Array(10);
   assert_object_equals(
-    remoteStream.readInto(readBuffer), { amount: 10, finished: true });
+      remoteStream.readInto(readBuffer), { amount: 10, finished: true } );
   assert_array_equals(readBuffer, writeData);
-}, 'waitForReadable() resolves early if remote fin is received.');
+}, 'waitForReadable() resolves early if remote finish is received.');
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
@@ -377,7 +552,27 @@
   await promise_rejects(t, new TypeError(),
       localStream.waitForReadable(localStream.maxReadBufferedAmount + 1));
 }, 'waitForReadable() rejects with TypeError if amount is more than ' +
-  'maxReadBufferedAmount.');
+    'maxReadBufferedAmount.');
+
+promise_test(async t => {
+    const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.finish();
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream: remoteStream } = await remoteWatcher.wait_for('quicstream');
+  await remoteStream.waitForReadable(remoteStream.maxReadBufferedAmount);
+  assert_object_equals(
+      remoteStream.readInto(new Uint8Array(10)),
+      { amount: 0, finished: true } );
+
+  const promise1 = remoteStream.waitForReadable(10);
+  const promise2 = remoteStream.waitForReadable(10);
+  await Promise.all([
+      promise_rejects(t, 'InvalidStateError', promise1),
+      promise_rejects(t, 'InvalidStateError', promise2)]);
+}, 'waitForReadable() promises immediately rejected with InvalidStateError ' +
+    'after finish is read out.');
 
 promise_test(async t => {
   const [ localQuicTransport, remoteQuicTransport ] =
@@ -406,6 +601,35 @@
       promise_rejects(t, 'InvalidStateError', promise2)]);
 }, 'Pending waitForReadable() promises rejected after remote reset().');
 
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  const promise1 = localStream.waitForReadable(10);
+  const promise2 = localStream.waitForReadable(10);
+  localQuicTransport.stop();
+  await Promise.all([
+      promise_rejects(t, 'InvalidStateError', promise1),
+      promise_rejects(t, 'InvalidStateError', promise2)]);
+}, 'Pending waitForReadable() promises rejected after RTCQuicTransport ' +
+   'stop().');
+
+promise_test(async t => {
+  const [ localQuicTransport, remoteQuicTransport ] =
+      await makeTwoConnectedQuicTransports(t);
+  const localStream = localQuicTransport.createStream();
+  localStream.write(new Uint8Array(1));
+  const remoteWatcher = new EventWatcher(t, remoteQuicTransport, 'quicstream');
+  const { stream : remoteStream} = await remoteWatcher.wait_for('quicstream');
+  const promise1 = remoteStream.waitForReadable(10);
+  const promise2 = remoteStream.waitForReadable(10);
+  localQuicTransport.stop();
+  await Promise.all([
+      promise_rejects(t, 'InvalidStateError', promise1),
+      promise_rejects(t, 'InvalidStateError', promise2)]);
+}, 'Pending waitForReadable() promises rejected after remote RTCQuicTransport ' +
+    'stop().');
+
 closed_stream_test(async (t, stream) => {
   await promise_rejects(t, 'InvalidStateError',
       stream.waitForReadable(1));
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 8a6d6456f3a9..8ac144bab928 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html
@@ -122,7 +122,7 @@
     const stream = await navigator.mediaDevices.getUserMedia({audio: true});
     t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
     const [track] = stream.getTracks();
-    callee.addTrack(track);
+    callee.addTrack(track, stream);
     const answer = await callee.createAnswer();
     await callee.setLocalDescription(answer);
     await caller.setRemoteDescription(answer);
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-removeTrack.https.html b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-removeTrack.https.html
index c98dbdbd8f3f..a955db6895ad 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-removeTrack.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-removeTrack.https.html
@@ -175,7 +175,7 @@
     const offer = await caller.createOffer();
     await caller.setLocalDescription(offer);
     await callee.setRemoteDescription(offer);
-    callee.addTrack(track);
+    callee.addTrack(track, stream);
     const answer = await callee.createAnswer();
     await callee.setLocalDescription(answer);
     await caller.setRemoteDescription(answer);
@@ -244,7 +244,7 @@
     const offer = await caller.createOffer();
     await caller.setLocalDescription(offer);
     await callee.setRemoteDescription(offer);
-    callee.addTrack(track);
+    callee.addTrack(track, stream);
     const answer = await callee.createAnswer();
     await callee.setLocalDescription(answer);
     await caller.setRemoteDescription(answer);
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html
index c9d2d1282c7b..aa3f93e235e3 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-setRemoteDescription-tracks.https.html
@@ -228,7 +228,7 @@
     const localStream =
         await getNoiseStream({audio: true});
     t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
-    caller.addTrack(localStream.getTracks()[0]);
+    caller.addTrack(localStream.getTracks()[0], localStream);
     const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
       assert_array_equals(callee.getReceivers(), [e.receiver],
                           'getReceivers() == [e.receiver].');
@@ -245,7 +245,7 @@
     const localStream =
         await getNoiseStream({audio: true});
     t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
-    const sender = caller.addTrack(localStream.getTracks()[0]);
+    const sender = caller.addTrack(localStream.getTracks()[0], localStream);
     const ontrackPromise = addEventListenerPromise(t, callee, 'track');
     await exchangeOfferAnswer(caller, callee);
     await ontrackPromise;
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-track-stats.https.html b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-track-stats.https.html
index 3809530b74ca..9ad679272b57 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-track-stats.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-track-stats.https.html
@@ -26,7 +26,7 @@
     return getUserMediaTracksAndStreams(1)
     .then(t.step_func(([tracks, streams]) => {
       track = tracks[0];
-      pc.addTrack(track);
+      pc.addTrack(track, streams[0]);
       return pc.getStats();
     }))
     .then(t.step_func(report => {
@@ -73,7 +73,7 @@
     return getUserMediaTracksAndStreams(1)
     .then(t.step_func(([tracks, streams]) => {
       track = tracks[0];
-      pc.addTrack(track);
+      pc.addTrack(track, streams[0]);
       return pc.createOffer();
     }))
     .then(t.step_func(offer => {
@@ -204,7 +204,7 @@
     return getUserMediaTracksAndStreams(1)
     .then(t.step_func(([tracks, streams]) => {
       sendingTrack = tracks[0];
-      caller.addTrack(sendingTrack);
+      caller.addTrack(sendingTrack, streams[0]);
       return doSignalingHandshake(caller, callee);
     }))
     .then(t.step_func(() => {
@@ -237,7 +237,7 @@
     };
     return getUserMediaTracksAndStreams(1)
     .then(t.step_func(([tracks, streams]) => {
-      caller.addTrack(tracks[0]);
+      caller.addTrack(tracks[0], streams[0]);
       return doSignalingHandshake(caller, callee);
     }))
     .then(t.step_func(() => {
@@ -271,7 +271,7 @@
     .then(t.step_func(([tracks, streams]) => {
       sendingTrack1 = tracks[0];
       sendingTrack2 = tracks[1];
-      sender = caller.addTrack(sendingTrack1);
+      sender = caller.addTrack(sendingTrack1, streams[0]);
       return sender.replaceTrack(sendingTrack2);
     }))
     .then(t.step_func(() => {
@@ -300,7 +300,7 @@
     .then(t.step_func(([tracks, streams]) => {
       sendingTrack1 = tracks[0];
       sendingTrack2 = tracks[1];
-      sender = caller.addTrack(sendingTrack1);
+      sender = caller.addTrack(sendingTrack1, streams[0]);
       return exchangeOffer(caller, callee);
     }))
     .then(t.step_func(() => {
@@ -337,7 +337,7 @@
     .then(t.step_func(([tracks, streams]) => {
       sendingTrack1 = tracks[0];
       sendingTrack2 = tracks[1];
-      sender = caller.addTrack(sendingTrack1);
+      sender = caller.addTrack(sendingTrack1, streams[0]);
       return doSignalingHandshake(caller, callee);
     }))
     .then(t.step_func(() => {
@@ -373,7 +373,7 @@
     .then(t.step_func(([tracks, streams]) => {
       sendingTrack1 = tracks[0];
       sendingTrack2 = tracks[1];
-      sender = caller.addTrack(sendingTrack1);
+      sender = caller.addTrack(sendingTrack1, streams[0]);
       return doSignalingHandshake(caller, callee);
     }))
     .then(t.step_func(() => {
@@ -569,8 +569,8 @@
     const pc = new RTCPeerConnection();
     t.add_cleanup(() => pc.close());
     let [tracks, streams] = await getUserMediaTracksAndStreams(2);
-    let sender1 = pc.addTrack(tracks[0]);
-    let sender2 = pc.addTrack(tracks[1]);
+    let sender1 = pc.addTrack(tracks[0], streams[0]);
+    let sender2 = pc.addTrack(tracks[1], streams[1]);
     await sender2.replaceTrack(sender1.track);
     await promise_rejects(t, 'InvalidAccessError', pc.getStats(sender1.track));
   }, 'RTCPeerConnection.getStats(track) throws InvalidAccessError when there ' +
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCRtpReceiver-getStats.https.html b/tests/wpt/web-platform-tests/webrtc/RTCRtpReceiver-getStats.https.html
index 05ca9f3c90b6..7cd598393708 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCRtpReceiver-getStats.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCRtpReceiver-getStats.https.html
@@ -53,7 +53,7 @@
     const stream = await getNoiseStream({audio:true});
     t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
     const [track] = stream.getTracks();
-    callee.addTrack(track);
+    callee.addTrack(track, stream);
 
     const { receiver } = caller.addTransceiver('audio');
 
diff --git a/tests/wpt/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html b/tests/wpt/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html
index 877791052824..d79f6af3d69a 100644
--- a/tests/wpt/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html
@@ -17,7 +17,7 @@
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
   <script type="text/javascript">
-  var test = async_test('Can set up a basic WebRTC call without announcing ssrcs.', {timeout: 5000});
+  var test = async_test('Can set up a basic WebRTC call without announcing ssrcs.');
 
   var gFirstConnection = null;
   var gSecondConnection = null;
diff --git a/tests/wpt/web-platform-tests/webrtc/simplecall.https.html b/tests/wpt/web-platform-tests/webrtc/simplecall.https.html
index 681c42d4cd85..291437a52658 100644
--- a/tests/wpt/web-platform-tests/webrtc/simplecall.https.html
+++ b/tests/wpt/web-platform-tests/webrtc/simplecall.https.html
@@ -17,7 +17,7 @@
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
   <script type="text/javascript">
-  var test = async_test('Can set up a basic WebRTC call.', {timeout: 5000});
+  var test = async_test('Can set up a basic WebRTC call.');
 
   var gFirstConnection = null;
   var gSecondConnection = null;
diff --git a/tests/wpt/web-platform-tests/xhr/abort-during-upload.htm b/tests/wpt/web-platform-tests/xhr/abort-during-upload.htm
index 9fbc8b9bbb47..9732791d953c 100644
--- a/tests/wpt/web-platform-tests/xhr/abort-during-upload.htm
+++ b/tests/wpt/web-platform-tests/xhr/abort-during-upload.htm
@@ -11,7 +11,7 @@
   <body>
     <div id="log"></div>
     <script>
-      var test = async_test(document.title, {timeout:1100})
+      var test = async_test()
       test.step(function() {
         var client = new XMLHttpRequest()
         prepare_xhr_for_event_order_test(client);
diff --git a/tests/wpt/web-platform-tests/xhr/send-redirect-bogus.htm b/tests/wpt/web-platform-tests/xhr/send-redirect-bogus.htm
index a46fc1d339e4..ad50b56f4a0c 100644
--- a/tests/wpt/web-platform-tests/xhr/send-redirect-bogus.htm
+++ b/tests/wpt/web-platform-tests/xhr/send-redirect-bogus.htm
@@ -11,7 +11,7 @@
     <div id="log"></div>
     <script>
       function redirect(code, location) {
-        var test = async_test(document.title + " (" + code + ": " + location + ")", {timeout: 20000})
+        var test = async_test(document.title + " (" + code + ": " + location + ")");
         test.step(function() {
           var client = new XMLHttpRequest()
           client.onreadystatechange = function() {
diff --git a/tests/wpt/web-platform-tests/xhr/timeout-cors-async.htm b/tests/wpt/web-platform-tests/xhr/timeout-cors-async.htm
index 35e2a30ba2f5..74397ba8c406 100644
--- a/tests/wpt/web-platform-tests/xhr/timeout-cors-async.htm
+++ b/tests/wpt/web-platform-tests/xhr/timeout-cors-async.htm
@@ -13,7 +13,7 @@
   <body>
     <div id="log"></div>
     <script>
-      var test = async_test(document.title)
+      var test = async_test()
       var client = new XMLHttpRequest()
       var gotTimeout = false
       client.open("GET", "http://www2." + location.hostname + (location.port ? ":" + location.port : "") +(location.pathname.replace(/[^\/]+$/, '')+'resources/corsenabled.py')+"?delay=2&code=200")