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mode 100644 tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-img.png create mode 100644 tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-script.js create mode 100644 tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-style.css create mode 100644 tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator.html delete mode 100644 tests/wpt/tests/webidl/idlharness-shadowrealm.window.js create mode 100644 tests/wpt/tests/webnn/conformance_tests/shared_arraybuffer_constant.https.any.js create mode 100644 tests/wpt/tests/webnn/conformance_tests/shared_arraybuffer_constant.https.any.js.headers create mode 100644 tests/wpt/tests/webnn/validation_tests/constant.https.any.js.headers create mode 100644 tests/wpt/tests/webnn/validation_tests/unprintableNames.https.any.js create mode 100644 tests/wpt/tests/webrtc/protocol/h264-unidirectional-codec-offer.https.html diff --git a/tests/wpt/meta-legacy-layout/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/meta-legacy-layout/FileAPI/url/url-in-tags-revoke.window.js.ini index 282ab0b2525..35fe4fd6e0d 100644 --- a/tests/wpt/meta-legacy-layout/FileAPI/url/url-in-tags-revoke.window.js.ini +++ b/tests/wpt/meta-legacy-layout/FileAPI/url/url-in-tags-revoke.window.js.ini @@ -14,3 +14,6 @@ [Opening a blob URL in a new window by clicking an tag works immediately before revoking the URL.] expected: TIMEOUT + + [Fetching a blob URL immediately before revoking it works in + + + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
XXXXXXX
+
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+
XXXXXXX
+
+ +
+
XXXXXXX
+
+ diff --git a/tests/wpt/tests/compat/webkit-box-item-shrink-002.html b/tests/wpt/tests/compat/webkit-box-item-shrink-002.html new file mode 100644 index 00000000000..8981f75cda3 --- /dev/null +++ b/tests/wpt/tests/compat/webkit-box-item-shrink-002.html @@ -0,0 +1,124 @@ + + +CSS -webkit-box Test: Testing no automatic minimum size for flex items in a legacy column-oriented flex container + + + + + + + + + + + + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
XXXXXXX
+
+ +
+ +
+ +
+ +
+ +
+ +
+ + + +
+ +
+ +
+ +
+ +
+
XXXXXXX
+
+ +
+
XXXXXXX
+
+ diff --git a/tests/wpt/tests/compression/idlharness-shadowrealm.window.js b/tests/wpt/tests/compression/idlharness-shadowrealm.window.js deleted file mode 100644 index ead3dcc8376..00000000000 --- a/tests/wpt/tests/compression/idlharness-shadowrealm.window.js +++ /dev/null @@ -1,3 +0,0 @@ -// META: script=/resources/testharness-shadowrealm-outer.js -// META: script=/resources/idlharness-shadowrealm.js -idl_test_shadowrealm(["compression"], ["streams"]); diff --git a/tests/wpt/tests/compression/idlharness.https.any.js b/tests/wpt/tests/compression/idlharness.https.any.js index 8d96cf523c4..d43f327de68 100644 --- a/tests/wpt/tests/compression/idlharness.https.any.js +++ b/tests/wpt/tests/compression/idlharness.https.any.js @@ -1,5 +1,6 @@ // META: script=/resources/WebIDLParser.js // META: script=/resources/idlharness.js +// META: global=window,dedicatedworker,shadowrealm-in-window 'use strict'; diff --git a/tests/wpt/tests/console/idlharness-shadowrealm.window.js b/tests/wpt/tests/console/idlharness-shadowrealm.window.js deleted file mode 100644 index fcd3817f227..00000000000 --- a/tests/wpt/tests/console/idlharness-shadowrealm.window.js +++ /dev/null @@ -1,6 +0,0 @@ -// META: script=/resources/testharness-shadowrealm-outer.js -// META: script=/resources/idlharness-shadowrealm.js - -// https://console.spec.whatwg.org/ - -idl_test_shadowrealm(["console"], []); diff --git a/tests/wpt/tests/console/idlharness.any.js b/tests/wpt/tests/console/idlharness.any.js index 1e7ba76ecdd..820ee70fe10 100644 --- a/tests/wpt/tests/console/idlharness.any.js +++ b/tests/wpt/tests/console/idlharness.any.js @@ -1,5 +1,6 @@ // META: script=/resources/WebIDLParser.js // META: script=/resources/idlharness.js +// META: global=window,dedicatedworker,shadowrealm-in-window // https://console.spec.whatwg.org/ diff --git a/tests/wpt/tests/content-security-policy/navigation/javascript-url-navigation-to-child-checks-snapshotted-csp-during-task-creation.html b/tests/wpt/tests/content-security-policy/navigation/javascript-url-navigation-to-child-checks-snapshotted-csp-during-task-creation.html new file mode 100644 index 00000000000..dbd8fe882d1 --- /dev/null +++ b/tests/wpt/tests/content-security-policy/navigation/javascript-url-navigation-to-child-checks-snapshotted-csp-during-task-creation.html @@ -0,0 +1,92 @@ + + + + + + + Test the snapshotted CSP is checked during task creation, not during + execution. + + + + + + + diff --git a/tests/wpt/tests/content-security-policy/navigation/support/utils.js b/tests/wpt/tests/content-security-policy/navigation/support/utils.js index 0bb402dccc6..bb13186b090 100644 --- a/tests/wpt/tests/content-security-policy/navigation/support/utils.js +++ b/tests/wpt/tests/content-security-policy/navigation/support/utils.js @@ -31,3 +31,9 @@ function assignJavascriptURLToInjectionSink(testCase) { element[testCase.navigationFunction](); } } + +function encodeURIWithApostrophes(uriWithApostrophes) { + const encodedURI = encodeURI(uriWithApostrophes); + // https://developer.mozilla.org/en-US/docs/Glossary/Percent-encoding + return encodedURI.replaceAll("'","%27"); +} diff --git a/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-check-csp-order.html b/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-check-csp-order.html new file mode 100644 index 00000000000..8f667902b03 --- /dev/null +++ b/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-check-csp-order.html @@ -0,0 +1,99 @@ + + + + + + + + + + + +a +a2 + + + + +i + + + + diff --git a/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-child-csp.html b/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-child-csp.html index 84d74ad3f8a..41945fa460f 100644 --- a/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-child-csp.html +++ b/tests/wpt/tests/content-security-policy/navigation/to-javascript-parent-initiated-child-csp.html @@ -22,12 +22,6 @@ // https://web-platform-tests.org/writing-tests/testharness-api.html#determining-when-all-tests-are-complete. setup({explicit_done: true}); - function encodeURIWithApostrophes(uriWithApostrophes) { - const encodedURI = encodeURI(uriWithApostrophes); - // https://developer.mozilla.org/en-US/docs/Glossary/Percent-encoding - return encodedURI.replaceAll("'","%27"); - } - const kIframeURLPath = "support/frame-with-csp.sub.html"; // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/Sources#unsafe-inline diff --git a/tests/wpt/tests/content-security-policy/reporting/report-clips-sample.https.html b/tests/wpt/tests/content-security-policy/reporting/report-clips-sample.https.html index 696a27ba756..ae9e380bc2d 100644 --- a/tests/wpt/tests/content-security-policy/reporting/report-clips-sample.https.html +++ b/tests/wpt/tests/content-security-policy/reporting/report-clips-sample.https.html @@ -9,27 +9,73 @@ diff --git a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-cross-site-subresource-to-same-site-redirect.tentative.https.html b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-cross-site-subresource-to-same-site-redirect.tentative.https.html index 3a0afcec692..33ae0d0ca3c 100644 --- a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-cross-site-subresource-to-same-site-redirect.tentative.https.html +++ b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-cross-site-subresource-to-same-site-redirect.tentative.https.html @@ -55,6 +55,7 @@ .includes(partitionedCookie)); assert_true(iframe.contentDocument.cookie .includes(partitionedCookie)); + erase_cookie_from_js("ancestor", "Secure; Path=/; SameSite=None; Partitioned"); }, "Partitioned cookies are sent in embedded cross-site to same-site redirects"); diff --git a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-same-site-subresource-to-cross-site-redirect.tentative.https.html b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-same-site-subresource-to-cross-site-redirect.tentative.https.html index 971f7ccfef5..27278458dcb 100644 --- a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-same-site-subresource-to-cross-site-redirect.tentative.https.html +++ b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-same-site-subresource-to-cross-site-redirect.tentative.https.html @@ -53,6 +53,8 @@ promise_test(async () => { iframeHost = iframeUrl.hostname; assert_not_equals(window.location.hostname, iframeHost); + erase_cookie_from_js("ancestor", "Secure; Path=/; SameSite=None; Partitioned"); + }, "Partitioned cookies are not sent in embedded same-site to cross-site redirects"); diff --git a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-top-level-redirect.tentative.https.html b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-top-level-redirect.tentative.https.html index b3134295da8..e9dd82c1cec 100644 --- a/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-top-level-redirect.tentative.https.html +++ b/tests/wpt/tests/cookies/partitioned-cookies/partitioned-cookies-top-level-redirect.tentative.https.html @@ -42,7 +42,11 @@ test(() => { assert_true(document.cookie.includes(partitionedCookie)); assert_true(window.location.href.includes(partitionedCookie)); - },"Partitioned Cookies are available in top-level cross-site to same-site redirects"); + + erase_cookie_from_js("ancestor", "Secure; Path=/; SameSite=None; Partitioned"); + } + ,"Partitioned Cookies are available in top-level cross-site to same-site redirects"); + diff --git a/tests/wpt/tests/css/css-anchor-position/anchor-as-multicol-crash.html b/tests/wpt/tests/css/css-anchor-position/anchor-as-multicol-crash.html new file mode 100644 index 00000000000..af474a965bd --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/anchor-as-multicol-crash.html @@ -0,0 +1,4 @@ + + + +
diff --git a/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll-ref.html b/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll-ref.html new file mode 100644 index 00000000000..7f4ec4b416f --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll-ref.html @@ -0,0 +1,33 @@ + +CSS Anchor Positioning: scroll transforms respect anchor-scope (ref) + +
+
+
+ +
+
diff --git a/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll.html b/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll.html new file mode 100644 index 00000000000..a335f54f21f --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/anchor-scope-scroll.html @@ -0,0 +1,48 @@ + + +CSS Anchor Positioning: scroll transforms respect anchor-scope + + + + +
+
+
+ +
+
+
+ +
+ + diff --git a/tests/wpt/tests/css/css-anchor-position/chrome-380321441-crash.html b/tests/wpt/tests/css/css-anchor-position/chrome-380321441-crash.html new file mode 100644 index 00000000000..85dfb27325f --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/chrome-380321441-crash.html @@ -0,0 +1,19 @@ + +Chrome crash while flipping position-area:start + + +
Anchor
+
diff --git a/tests/wpt/tests/css/css-anchor-position/last-successful-iframe.html b/tests/wpt/tests/css/css-anchor-position/last-successful-iframe.html new file mode 100644 index 00000000000..868400ef5d1 --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/last-successful-iframe.html @@ -0,0 +1,68 @@ + +CSS Anchor Positioning: basic last successful position fallback + + + + + + + diff --git a/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-001.tentative.html b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-001.tentative.html new file mode 100644 index 00000000000..7abe8e62580 --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-001.tentative.html @@ -0,0 +1,122 @@ + +position-area to include current scroll position at first layout + + + + + + +
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ diff --git a/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-002.tentative.html b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-002.tentative.html new file mode 100644 index 00000000000..73a94eca4c3 --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-002.tentative.html @@ -0,0 +1,150 @@ + +position-area to include current scroll position at first layout + + + + + + +
+
+
+
+
+
+
+ +
+
+
+
+
+
+
+
+
+
+
+
+ + diff --git a/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-003.tentative.html b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-003.tentative.html new file mode 100644 index 00000000000..1409c6d2b53 --- /dev/null +++ b/tests/wpt/tests/css/css-anchor-position/position-area-scrolling-003.tentative.html @@ -0,0 +1,141 @@ + +position-area to include current scroll position at first layout + + + + + + + diff --git a/tests/wpt/tests/css/css-animations/event-dispatch.tentative.html b/tests/wpt/tests/css/css-animations/event-dispatch.tentative.html index 3e577d6ea6c..8c5b7e3ae15 100644 --- a/tests/wpt/tests/css/css-animations/event-dispatch.tentative.html +++ b/tests/wpt/tests/css/css-animations/event-dispatch.tentative.html @@ -11,6 +11,14 @@ from { margin-left: 0px; } to { margin-left: 100px; } } +@keyframes anim2 { + from { margin-top: 100px; } + to { margin-top: 200px; } +} +@keyframes anim3 { + from { padding-left: 100px; } + to { padding-left: 200px; } +}
diff --git a/tests/wpt/tests/css/css-animations/parsing/animation-range-shorthand.html b/tests/wpt/tests/css/css-animations/parsing/animation-range-shorthand.html index 8acf0b1c557..25f5c140d8c 100644 --- a/tests/wpt/tests/css/css-animations/parsing/animation-range-shorthand.html +++ b/tests/wpt/tests/css/css-animations/parsing/animation-range-shorthand.html @@ -85,6 +85,7 @@ test_computed_value("animation-range", "normal 100px"); test_computed_value("animation-range", "100px"); test_computed_value("animation-range", "100px normal", "100px"); test_computed_value("animation-range", "10% normal", "10%"); +test_computed_value("animation-range", "10% calc(70% + 10% * sign(100em - 1px))", "10% 80%"); test_invalid_value("animation-range", "entry 50% 0s", "entry 50%"); test_invalid_value("animation-range", "0s entry 50%"); diff --git a/tests/wpt/tests/css/css-animations/parsing/animation-range-start-valid.html b/tests/wpt/tests/css/css-animations/parsing/animation-range-start-valid.html index 3ca885862e9..bb1dbe35c04 100644 --- a/tests/wpt/tests/css/css-animations/parsing/animation-range-start-valid.html +++ b/tests/wpt/tests/css/css-animations/parsing/animation-range-start-valid.html @@ -29,4 +29,5 @@ test_valid_value("animation-range-start", "cover"); test_valid_value("animation-range-start", "contain"); test_valid_value("animation-range-start", "entry"); test_valid_value("animation-range-start", "exit"); +test_valid_value("animation-range-start", "cover calc(sign(100em - 1px) * 1%)"); diff --git a/tests/wpt/tests/css/css-backgrounds/background-332.html b/tests/wpt/tests/css/css-backgrounds/background-332.html index 54c5e68c512..0b4db819b00 100644 --- a/tests/wpt/tests/css/css-backgrounds/background-332.html +++ b/tests/wpt/tests/css/css-backgrounds/background-332.html @@ -32,7 +32,7 @@ test(function() { assert_equals(cs.getPropertyValue("background-size"), - "160px", "background specified value for background-size"); + "160px auto", "background specified value for background-size"); }, "background_specified_size"); test(function() { diff --git a/tests/wpt/tests/css/css-backgrounds/background-size-001.html b/tests/wpt/tests/css/css-backgrounds/background-size-001.html index fee271de14a..ce1666c9a81 100644 --- a/tests/wpt/tests/css/css-backgrounds/background-size-001.html +++ b/tests/wpt/tests/css/css-backgrounds/background-size-001.html @@ -39,43 +39,43 @@ document.getElementById("test").style.backgroundSize = "0px"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "0px", "background-size supporting value"); + "0px auto", "background-size supporting value"); }, "background-size_length_zero"); document.getElementById("test").style.backgroundSize = "-0px"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "0px", "background-size supporting value"); + "0px auto", "background-size supporting value"); }, "background-size_length_negative_zero"); document.getElementById("test").style.backgroundSize = "+0px"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "0px", "background-size supporting value"); + "0px auto", "background-size supporting value"); }, "background-size_length_positive_zero"); document.getElementById("test").style.backgroundSize = "15px"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "15px", "background-size supporting value"); + "15px auto", "background-size supporting value"); }, "background-size_length_normal"); document.getElementById("test").style.backgroundSize = "0%"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "0%", "background-size supporting value"); + "0% auto", "background-size supporting value"); }, "background-size_percentage_min"); document.getElementById("test").style.backgroundSize = "50%"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "50%", "background-size supporting value"); + "50% auto", "background-size supporting value"); }, "background-size_percentage_normal"); document.getElementById("test").style.backgroundSize = "100%"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "100%", "background-size supporting value"); + "100% auto", "background-size supporting value"); }, "background-size_percentage_max"); document.getElementById("test").style.backgroundSize = "auto auto"; @@ -99,7 +99,7 @@ document.getElementById("test").style.backgroundSize = "15px auto"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "15px", "background-size supporting value"); + "15px auto", "background-size supporting value"); }, "background-size_length_auto"); document.getElementById("test").style.backgroundSize = "15px 15px"; @@ -117,7 +117,7 @@ document.getElementById("test").style.backgroundSize = "50% auto"; test(function() { assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"), - "50%", "background-size supporting value"); + "50% auto", "background-size supporting value"); }, "background-size_percentage_auto"); document.getElementById("test").style.backgroundSize = "50% 15px"; diff --git a/tests/wpt/tests/css/css-cascade/scope-invalidation.html b/tests/wpt/tests/css/css-cascade/scope-invalidation.html index d53257e8944..86c06f19a2d 100644 --- a/tests/wpt/tests/css/css-cascade/scope-invalidation.html +++ b/tests/wpt/tests/css/css-cascade/scope-invalidation.html @@ -26,6 +26,9 @@ function test_scope_invalidation(script_element, callback_fn, description) { function assert_green(element) { assert_equals(getComputedStyle(element).backgroundColor, 'rgb(0, 128, 0)'); } +function assert_red(element) { + assert_equals(getComputedStyle(element).backgroundColor, 'rgb(255, 0, 0)'); +} function assert_not_green(element) { assert_equals(getComputedStyle(element).backgroundColor, 'rgb(0, 0, 0)'); } @@ -780,3 +783,90 @@ test_scope_invalidation(document.currentScript, () => { }, ':nth-child() in scope limit'); + + + + + + + + + diff --git a/tests/wpt/tests/css/css-cascade/scope-nesting.html b/tests/wpt/tests/css/css-cascade/scope-nesting.html index fb39bc2c091..2811bb4635d 100644 --- a/tests/wpt/tests/css/css-cascade/scope-nesting.html +++ b/tests/wpt/tests/css/css-cascade/scope-nesting.html @@ -652,3 +652,28 @@ test((t) => { assert_equals(getComputedStyle(child).color, 'rgb(0, 128, 0)'); }, 'Insert a nested style rule within @scope, :scope'); + + + diff --git a/tests/wpt/tests/css/css-conditional/container-queries/support/cq-testcommon.js b/tests/wpt/tests/css/css-conditional/container-queries/support/cq-testcommon.js index 96ad77d55ba..357657870e6 100644 --- a/tests/wpt/tests/css/css-conditional/container-queries/support/cq-testcommon.js +++ b/tests/wpt/tests/css/css-conditional/container-queries/support/cq-testcommon.js @@ -73,7 +73,7 @@ function test_cq_condition_valid(condition, unknown) { assert_equals(style.sheet.rules.length, 2); const expected = unknown ? '' : 'true'; assert_equals(getComputedStyle(document.querySelector("#cq-main")).getPropertyValue('--match'), expected); - }, `Query condition should be valid: ${condition}`); + }, `Query condition should be valid${unknown ? ' but unknown' : ''}: ${condition}`); } function test_cq_condition_known(condition) { diff --git a/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext-ref.html b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext-ref.html new file mode 100644 index 00000000000..b4a80b361bb --- /dev/null +++ b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext-ref.html @@ -0,0 +1,10 @@ + + + + +PASS if innerText reads: "content-visibility does not apply to inline boxes" +
innerText: content-visibility does not apply to inline boxes
diff --git a/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext.html b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext.html new file mode 100644 index 00000000000..fa9f9d57a02 --- /dev/null +++ b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-hidden-and-innertext.html @@ -0,0 +1,20 @@ + + + + + + +PASS if innerText reads: "content-visibility does not apply to inline boxes" +
content-visibility does not apply to inline boxes
+

+
diff --git a/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby-ref.html b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby-ref.html
new file mode 100644
index 00000000000..3e9b0570548
--- /dev/null
+++ b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby-ref.html
@@ -0,0 +1,14 @@
+
+
+
+
+
+
Test passes if both base and annotation are visible

+baseannotation
+
+
+
diff --git a/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby.html b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby.html
new file mode 100644
index 00000000000..891853c1816
--- /dev/null
+++ b/tests/wpt/tests/css/css-contain/content-visibility/content-visibility-on-ruby.html
@@ -0,0 +1,17 @@
+
+
+
+
+
+
+
+
+
Test passes if both base and annotation are visible

+baseannotation
+
+
+
diff --git a/tests/wpt/tests/css/css-easing/timing-functions-syntax-computed.html b/tests/wpt/tests/css/css-easing/timing-functions-syntax-computed.html
index ad37d2769e7..b03d2a0e233 100644
--- a/tests/wpt/tests/css/css-easing/timing-functions-syntax-computed.html
+++ b/tests/wpt/tests/css/css-easing/timing-functions-syntax-computed.html
@@ -31,6 +31,8 @@ test_computed_value("animation-timing-function", "steps(2, jump-both)");
 test_computed_value("animation-timing-function", "steps(2, jump-none)");
 
 test_computed_value("animation-timing-function", "linear, ease, linear");
+
+test_computed_value("animation-timing-function", "steps(calc(2 + sign(100em - 1px)), end)", "steps(3)");
 
 
 
diff --git a/tests/wpt/tests/css/css-easing/timing-functions-syntax-valid.html b/tests/wpt/tests/css/css-easing/timing-functions-syntax-valid.html
index a05768ccb90..07f2c2cfb96 100644
--- a/tests/wpt/tests/css/css-easing/timing-functions-syntax-valid.html
+++ b/tests/wpt/tests/css/css-easing/timing-functions-syntax-valid.html
@@ -31,6 +31,8 @@ test_valid_value("animation-timing-function", "steps(2, jump-both)");
 test_valid_value("animation-timing-function", "steps(2, jump-none)");
 
 test_valid_value("animation-timing-function", "linear, ease, linear");
+
+test_valid_value("animation-timing-function", "steps(calc(2 + sign(100em - 1px)))");
 
 
 
diff --git a/tests/wpt/tests/css/css-fonts/font-palette-23b.html b/tests/wpt/tests/css/css-fonts/font-palette-23b.html
new file mode 100644
index 00000000000..1c24666b51a
--- /dev/null
+++ b/tests/wpt/tests/css/css-fonts/font-palette-23b.html
@@ -0,0 +1,25 @@
+
+
+
+
+Tests for font-palette and @font-palette-values: calc() in expressions
+
+
+
+
+
+
+
+
A

+
+
diff --git a/tests/wpt/tests/css/css-fonts/font-shorthand-serialization-font-stretch.html b/tests/wpt/tests/css/css-fonts/font-shorthand-serialization-font-stretch.html
index e39d6c6b198..3079cc06e7e 100644
--- a/tests/wpt/tests/css/css-fonts/font-shorthand-serialization-font-stretch.html
+++ b/tests/wpt/tests/css/css-fonts/font-shorthand-serialization-font-stretch.html
@@ -84,4 +84,18 @@ test(function() {
     assert_equals(div.style.fontStretch, "50.01%");
     assert_equals(div.style.font, "");
 }, "Percentages which cannot be transformed into keywords should prevent the font shorthand from serializing, but not fontStretch");
+
+test(function() {
+    const div = document.getElementById("test");
+
+    // This isn't well-specified, but appears to be consistent across browsers.
+    div.style.fontStretch = "calc(50%)";
+    assert_equals(div.style.fontStretch, "calc(50%)");
+    assert_equals(div.style.font, "ultra-condensed medium serif");
+
+    div.style.fontStretch = "calc(50% + 25% * sign(100em - 1px))";
+    assert_equals(div.style.fontStretch, "calc(50% + 25% * sign(100em - 1px))");
+    assert_equals(div.style.font, "");
+}, "calc() transformation into keywords");
+
 
diff --git a/tests/wpt/tests/css/css-gaps/tentative/parsing/gap-decorations-style-computed.html b/tests/wpt/tests/css/css-gaps/tentative/parsing/gap-decorations-style-computed.html
new file mode 100644
index 00000000000..379fb89c071
--- /dev/null
+++ b/tests/wpt/tests/css/css-gaps/tentative/parsing/gap-decorations-style-computed.html
@@ -0,0 +1,30 @@
+
+
+
+
+CSS Gap Decoration: column-rule-style getComputedStyle()
+
+
+
+
+
+
+
+
+

+
+
+
diff --git a/tests/wpt/tests/css/css-grid/computed-grid-column.html b/tests/wpt/tests/css/css-grid/computed-grid-column.html
new file mode 100644
index 00000000000..1c42eb91818
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/computed-grid-column.html
@@ -0,0 +1,32 @@
+
+CSS Grid Layout Test: row/column is complex calc()
+
+
+
+
+

+  
X XX X

+  
X XX X

+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto-ref.html
new file mode 100644
index 00000000000..3f5ca75fa8c
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto-ref.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  4
+  5
+  6
+
+
+
+  1
+  2
+  3
+  4
+  4
+  5
+  6
+
+
+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
+  3
+  4
+  5
+  5
+
+

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto.html
new file mode 100644
index 00000000000..6ea41862232
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-auto.html
@@ -0,0 +1,103 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
+  2
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+  5
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+
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+  1
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+  5
+
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+
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+

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr-ref.html
new file mode 100644
index 00000000000..e4bf5b7f7ac
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr-ref.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr.html
new file mode 100644
index 00000000000..314ce6d6fc1
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-fr.html
@@ -0,0 +1,103 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1-ref.html
new file mode 100644
index 00000000000..db70b7beb5d
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1-ref.html
@@ -0,0 +1,107 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
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+
+
+  1
+  2
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+  5
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1.html
new file mode 100644
index 00000000000..048b0d2165b
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix1.html
@@ -0,0 +1,103 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
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+  1
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+  4
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2-ref.html
new file mode 100644
index 00000000000..e97edbd65dd
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2-ref.html
@@ -0,0 +1,104 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
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+
+
+  1
+  2
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+  5
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2.html
new file mode 100644
index 00000000000..e2db2700b2e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-mix2.html
@@ -0,0 +1,104 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-ref.html
deleted file mode 100644
index eddbb9cbe19..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001-ref.html
+++ /dev/null
@@ -1,360 +0,0 @@
-
-
-
-  
-  Reference: Masonry layout intrinsic sizing
-  
-  
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-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001.html
deleted file mode 100644
index ead5ad98086..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-001.html
+++ /dev/null
@@ -1,349 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - intrinsic
-  
-  
-  
-  
-
-
-
-

-
-  1
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto-ref.html
new file mode 100644
index 00000000000..dc883d323a7
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto-ref.html
@@ -0,0 +1,107 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+  1
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+  5
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto.html
new file mode 100644
index 00000000000..8c88f2fd4a2
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-auto.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr-ref.html
new file mode 100644
index 00000000000..79c43c59948
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr-ref.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
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+  5
+
+
+
+  1
+  2
+  3
+  4
+  5
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr.html
new file mode 100644
index 00000000000..80e25cbc8ab
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-fr.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+
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+  1
+  2
+  3
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+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1-ref.html
new file mode 100644
index 00000000000..4f3a51921f0
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1-ref.html
@@ -0,0 +1,107 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+
+
+
+  1
+  2
+  3
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+  5
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1.html
new file mode 100644
index 00000000000..584041cebf8
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix1.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+  1
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+  1
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+
+
+  1
+  2
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+  4
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2-ref.html
new file mode 100644
index 00000000000..1651af50c39
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2-ref.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
+  1
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+
+
+  1
+  2
+  3
+  4
+  5
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2.html
new file mode 100644
index 00000000000..a726bf192ab
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-mix2.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+
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+  1
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+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-ref.html
deleted file mode 100644
index d4b9892c22e..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002-ref.html
+++ /dev/null
@@ -1,362 +0,0 @@
-
-
-
-  
-  Reference: Masonry layout intrinsic sizing
-  
-  
-
-
-
-

-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002.html
deleted file mode 100644
index 03e8617f248..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-002.html
+++ /dev/null
@@ -1,351 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - min-content constraint
-  
-  
-  
-  
-
-
-
-

-
-  1
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-  4
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-

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto-ref.html
new file mode 100644
index 00000000000..f3137038202
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto-ref.html
@@ -0,0 +1,131 @@
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
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+  1
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+  
+  
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto.html
new file mode 100644
index 00000000000..2b781d1db2d
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-auto.html
@@ -0,0 +1,104 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
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+
+
+  1
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+  4
+  5 5
+
+

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr-ref.html
new file mode 100644
index 00000000000..856a76bfb8f
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr-ref.html
@@ -0,0 +1,129 @@
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
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+  
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr.html
new file mode 100644
index 00000000000..830a22a4ec8
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-fr.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1-ref.html
new file mode 100644
index 00000000000..d6f5674868e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1-ref.html
@@ -0,0 +1,131 @@
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+
+
+
+

+
+  1
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+  5 5
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+  
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+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1.html
new file mode 100644
index 00000000000..15876a47430
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix1.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
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+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2-ref.html
new file mode 100644
index 00000000000..675e45bb175
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2-ref.html
@@ -0,0 +1,132 @@
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+
+
+
+

+
+  1
+  2 2
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+  5 5
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+  
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2.html
new file mode 100644
index 00000000000..053b7a2ebde
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-mix2.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-ref.html
deleted file mode 100644
index 9ffea0a5d21..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003-ref.html
+++ /dev/null
@@ -1,433 +0,0 @@
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-  Reference: Masonry layout min-content sizing
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003.html
deleted file mode 100644
index 9b03ee44ab1..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-003.html
+++ /dev/null
@@ -1,350 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - min-content
-  
-  
-  
-  
-
-
-
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-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto-ref.html
new file mode 100644
index 00000000000..d01a543d06e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto-ref.html
@@ -0,0 +1,143 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
+  
+  
+
+
+
+

+
+  1
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto.html
new file mode 100644
index 00000000000..a92c3d774f6
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-auto.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
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+
+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr-ref.html
new file mode 100644
index 00000000000..9d757dd6228
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr-ref.html
@@ -0,0 +1,135 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
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+
+
+

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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr.html
new file mode 100644
index 00000000000..db8f9c0ec1c
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-fr.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1-ref.html
new file mode 100644
index 00000000000..4793949c280
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1-ref.html
@@ -0,0 +1,141 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
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+  
+
+
+
+

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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1.html
new file mode 100644
index 00000000000..9a399db534e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix1.html
@@ -0,0 +1,105 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2-ref.html
new file mode 100644
index 00000000000..640d02d1144
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2-ref.html
@@ -0,0 +1,136 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
+  
+  
+
+
+
+

+
+  1
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+  5 5
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+  
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+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2.html
new file mode 100644
index 00000000000..a63d43c051c
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-mix2.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-ref.html
deleted file mode 100644
index 282dd280213..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004-ref.html
+++ /dev/null
@@ -1,460 +0,0 @@
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-  Reference: Masonry layout max-content sizing
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004.html
deleted file mode 100644
index 3c2f1a20e11..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-cols-004.html
+++ /dev/null
@@ -1,350 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - max-content
-  
-  
-  
-  
-
-
-
-

-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto-ref.html
new file mode 100644
index 00000000000..d3bb9110be0
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto-ref.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto.html
new file mode 100644
index 00000000000..e38cf2bec84
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-auto.html
@@ -0,0 +1,110 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+
+

+
+  1
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+  4
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr-ref.html
new file mode 100644
index 00000000000..f4a2c2bae63
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr-ref.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
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+  4
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr.html
new file mode 100644
index 00000000000..9ca29ead013
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-fr.html
@@ -0,0 +1,110 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
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+  4
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1-ref.html
new file mode 100644
index 00000000000..c48319319a3
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1-ref.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
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+  4
+  5
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+
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1.html
new file mode 100644
index 00000000000..e8bdf154537
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix1.html
@@ -0,0 +1,110 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2-ref.html
new file mode 100644
index 00000000000..80e8c0531a9
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2-ref.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
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+  4
+  5
+
+
+
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2.html
new file mode 100644
index 00000000000..dd557f6d76f
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-mix2.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - intrinsic
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-ref.html
deleted file mode 100644
index 6214f6723ad..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001-ref.html
+++ /dev/null
@@ -1,366 +0,0 @@
-
-
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-  
-  Reference: Masonry layout intrinsic sizing
-  
-  
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001.html
deleted file mode 100644
index 45b5de5d0c8..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-001.html
+++ /dev/null
@@ -1,355 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - intrinsic
-  
-  
-  
-  
-
-
-
-

-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto-ref.html
new file mode 100644
index 00000000000..9b30557c90b
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto-ref.html
@@ -0,0 +1,113 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+
+
+  1
+  2
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+  4
+  5
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto.html
new file mode 100644
index 00000000000..d6f3346f844
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-auto.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr-ref.html
new file mode 100644
index 00000000000..442280db2a0
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr-ref.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
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+
+  1
+  2
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+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr.html
new file mode 100644
index 00000000000..e0c501828ed
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-fr.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
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+
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+  1
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+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1-ref.html
new file mode 100644
index 00000000000..03efe6f7d67
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1-ref.html
@@ -0,0 +1,113 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+
+
+  1
+  2
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+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1.html
new file mode 100644
index 00000000000..d60a77f70b6
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix1.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+
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+  1
+  2
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+  4
+  5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2-ref.html
new file mode 100644
index 00000000000..ba2034119ef
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2-ref.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  Reference: Masonry layout intrinsic sizing
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
+
+
+
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+
+
+  1
+  2
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+  4
+  5
+  5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2.html
new file mode 100644
index 00000000000..c31a079286b
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-mix2.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content constraint
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2
+  3
+  4
+  5
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+
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-ref.html
deleted file mode 100644
index 38ede3202ad..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002-ref.html
+++ /dev/null
@@ -1,368 +0,0 @@
-
-
-
-  
-  Reference: Masonry layout intrinsic sizing
-  
-  
-
-
-
-

-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002.html
deleted file mode 100644
index 5faf63c2c24..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-002.html
+++ /dev/null
@@ -1,357 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - min-content constraint
-  
-  
-  
-  
-
-
-
-

-
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-

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto-ref.html
new file mode 100644
index 00000000000..3b257ea4f7b
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto-ref.html
@@ -0,0 +1,159 @@
+
+
+
+
+
+Reference: Masonry layout min-content sizing
+
+
+
+
+
+
+

+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
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+  
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+  
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+  
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto.html
new file mode 100644
index 00000000000..a643ee11653
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-auto.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
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+
+
+  1
+  2 2
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+  4
+  5 5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr-ref.html
new file mode 100644
index 00000000000..d498ba60d9b
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr-ref.html
@@ -0,0 +1,154 @@
+
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
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+  5 5
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+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr.html
new file mode 100644
index 00000000000..f1999a8e2c6
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-fr.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
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+
+
+  1
+  2 2
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+  5 5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1-ref.html
new file mode 100644
index 00000000000..92171930afc
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1-ref.html
@@ -0,0 +1,158 @@
+
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+  
+
+
+
+

+
+  1
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+  3 3
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+  5 5
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+
+
+  1
+  2 2
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+  5 5
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1.html
new file mode 100644
index 00000000000..3103ba4147e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix1.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
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+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2-ref.html
new file mode 100644
index 00000000000..ce221c46aee
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2-ref.html
@@ -0,0 +1,137 @@
+
+
+
+
+  
+  Reference: Masonry layout min-content sizing
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
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+  1
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+  
+  
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2.html
new file mode 100644
index 00000000000..57632888706
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-mix2.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - min-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
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+
+
+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-ref.html
deleted file mode 100644
index 3e2b0a2a3be..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003-ref.html
+++ /dev/null
@@ -1,461 +0,0 @@
-
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-  
-  Reference: Masonry layout min-content sizing
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003.html
deleted file mode 100644
index 5e0a150ef1f..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-003.html
+++ /dev/null
@@ -1,356 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - min-content
-  
-  
-  
-  
-
-
-
-

-
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diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto-ref.html
new file mode 100644
index 00000000000..013bd83da7a
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto-ref.html
@@ -0,0 +1,165 @@
+
+
+
+
+Reference: Masonry layout max-content sizing
+
+
+
+
+
+
+

+  
+    1
+    2 2
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+    
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+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto.html
new file mode 100644
index 00000000000..51fa2ed51d6
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-auto.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
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+  1
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+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr-ref.html
new file mode 100644
index 00000000000..4a1cf906f8d
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr-ref.html
@@ -0,0 +1,142 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+
+
+
+  1
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+  5 5
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+
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+  
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+
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+  
+  
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+
+
+  1
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+  3 3
+  4
+  5 5
+  6
+
+  
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5
+  6
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
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+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+  
+  
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr.html
new file mode 100644
index 00000000000..779b30cf60e
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-fr.html
@@ -0,0 +1,111 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
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+
+
+
+  1
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+
+
+
+  1
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+  6
+
+
+
+  1
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+  5
+  6
+
+
+
+  1
+  2 2
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+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1-ref.html
new file mode 100644
index 00000000000..5682f74e230
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1-ref.html
@@ -0,0 +1,156 @@
+
+
+
+  
+  Reference: Masonry layout max-content sizing
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+  6
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5
+  6
+
+  
+  
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1.html
new file mode 100644
index 00000000000..68a8b93e935
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix1.html
@@ -0,0 +1,138 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+  6
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5
+  6
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+

+
\ No newline at end of file
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2-ref.html
new file mode 100644
index 00000000000..c1bf7d407e5
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2-ref.html
@@ -0,0 +1,137 @@
+
+
+
+
+Reference: Masonry layout max-content sizing
+
+
+
+
+
+

+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+    6
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+    6
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+  
+
+  
+    1
+    2 2
+    3 3
+    4
+    5 5
+
+    
+    
+  
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2.html
new file mode 100644
index 00000000000..75b7f879798
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-mix2.html
@@ -0,0 +1,112 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column sizing - max-content
+  
+  
+  
+  
+
+
+
+

+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+  6
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+  6
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+
+
+  1
+  2 2
+  3 3
+  4
+  5 5
+
+

+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-ref.html
deleted file mode 100644
index a79aca3b882..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004-ref.html
+++ /dev/null
@@ -1,461 +0,0 @@
-
-
-
-  
-  Reference: Masonry layout max-content sizing
-  
-  
-
-
-
-

-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-  
-
-
-
-  1
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-
-  
-
-
-
-  1
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-
-  
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-
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-  
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-  6
-
-  
-  
-  
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-
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-  
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-
-
-
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-  
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-  1
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-  
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-
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-
-  
-  
-  
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-

-
-
-
-

-
-  1
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-
-  
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-
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-  1
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-
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-  1
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-  
-  
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-  
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-  
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-

-
-
-
-

-
-  1
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-  
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-
-
-  1
-  2 2
-  3 3
-  4
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-  
-
-
-
-  1
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-  5 5
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-  
-  
-
-
-
-  1
-  2 2
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-
-  
-  
-
-
-
-  1
-  2 2
-  3 3
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-  6
-
-  
-  
-
-
-
-  1
-  2 2
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-
-
-
-  1
-  2 2
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-  5 5
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-  
-  
-
-
-
-  1
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-  
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-
-
-
-  1
-  2 2
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-  4
-  5 5
-
-  
-  
-  
-
-

-
-
-
-

-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-  
-
-
-
-  1
-  2 2
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-
-  
-
-
-
-  1
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-
-  
-  
-
-
-
-  1
-  2 2
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-  4
-  5 5
-
-  
-  
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-  6
-
-  
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-  6
-
-  
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-  
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-  
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-  
-  
-
-

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004.html
deleted file mode 100644
index 6bacac5255d..00000000000
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-004.html
+++ /dev/null
@@ -1,355 +0,0 @@
-
-
-
-  
-  CSS Grid Test: Masonry layout column sizing - max-content
-  
-  
-  
-  
-
-
-
-

-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
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-  4
-  5 5
-
-
-
-  1
-  2 2
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-  4
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-
-
-
-  1
-  2 2
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-
-
-
-  1
-  2 2
-  3 3
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-  6
-
-
-
-  1
-  2 2
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-  4
-  5
-  6
-
-
-
-  1
-  2 2
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-  5 5
-
-
-
-  1
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-  1
-  2 2
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-
-

-
-
-
-

-
-  1
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-
-  1
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-
-
-  1
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-
-
-
-  1
-  2 2
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-  6
-
-
-
-  1
-  2 2
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-  4
-  5
-  6
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-

-
-
-
-

-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
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-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-  6
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5
-  6
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-

-
-
-
-

-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-  6
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-  6
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-
-
-  1
-  2 2
-  3 3
-  4
-  5 5
-
-

diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005-ref.html
index 0c5eae740f6..fc1a6fd2a2a 100644
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005-ref.html
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005-ref.html
@@ -23,6 +23,9 @@ grid {
 item {
   writing-mode: vertical-lr;
 }
+.hidden {
+  visibility: hidden;
+}
 
 
 
@@ -39,7 +42,7 @@ item {
   9 9
 
 
-
+
   1
   2
   3
@@ -49,29 +52,41 @@ item {
   7
   8
   9 9
+
+  
+  
+  
 
 
-
+
+  5 5
   1
   2
   3
   4
-  5 5
   6
   7
   8
   9 9
+
+  
+  
+  
 
 
-
+
   1
   2
   3
   4
-  5 5
+  5 5
   6
   7
   8
   9 9
+
+  
+  
+  
 
 
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005.html
index 4c8e4373202..13d54a4388b 100644
--- a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005.html
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-005.html
@@ -55,11 +55,11 @@ item {
 
 
 
+  5 5
   1
   2
   3
   4
-  5 5
   6
   7
   8
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007-ref.html
new file mode 100644
index 00000000000..a173c4c6b64
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007-ref.html
@@ -0,0 +1,43 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column width sizing
+  
+  
+  
+  
+
+
+
+
+  1
+  5
+  2
+  3
+  4
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007.html b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007.html
new file mode 100644
index 00000000000..95a8e93467c
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/intrinsic-sizing/masonry-intrinsic-sizing-rows-007.html
@@ -0,0 +1,43 @@
+
+
+
+  
+  CSS Grid Test: Masonry layout column width sizing
+  
+  
+  
+  
+
+
+
+
+  1
+  2
+  3
+  4
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex-ref.html
new file mode 100644
index 00000000000..5e4c758a086
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex-ref.html
@@ -0,0 +1,81 @@
+
+
+
+
+  
+  Verify correct sizing of flex tracks when using subgrid in CSS Masonry
+  
+  
+  
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex.html
new file mode 100644
index 00000000000..c42ccb14643
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-flex.html
@@ -0,0 +1,87 @@
+
+
+
+
+  
+  Verify correct sizing of flex tracks when using subgrid in CSS Masonry
+  
+  
+  
+  
+
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing-ref.html
new file mode 100644
index 00000000000..c1b97841d43
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing-ref.html
@@ -0,0 +1,81 @@
+
+
+
+
+  
+  Verify correct sizing of intrinsically sized tracks when using subgrid in CSS Masonry
+  
+  
+  
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing.html
new file mode 100644
index 00000000000..91215be2028
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-intrinsic-sizing.html
@@ -0,0 +1,87 @@
+
+
+
+
+  
+  Verify correct sizing of intrinsically sized tracks when using subgrid in CSS Masonry
+  
+  
+  
+  
+
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-ref.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-ref.html
new file mode 100644
index 00000000000..b1ae12c8798
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid-ref.html
@@ -0,0 +1,86 @@
+
+
+
+
+  
+  Verify basic CSS Masonry Subgrid support to ensure items are properly placed in the grid
+  
+  
+  
+
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid.html b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid.html
new file mode 100644
index 00000000000..392f2afcca6
--- /dev/null
+++ b/tests/wpt/tests/css/css-grid/masonry/tentative/subgrid/track-sizing/masonry-subgrid.html
@@ -0,0 +1,87 @@
+
+
+
+
+  
+  Verify basic CSS Masonry Subgrid support to ensure items are properly placed in the grid
+  
+  
+  
+  
+
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
+
+  1
+  
+    2
+    3
+    4
+  
+  5
+
+
+
diff --git a/tests/wpt/tests/css/css-grid/parsing/grid-template-columns-computed.html b/tests/wpt/tests/css/css-grid/parsing/grid-template-columns-computed.html
index 54380ef455e..9604f0cfe85 100644
--- a/tests/wpt/tests/css/css-grid/parsing/grid-template-columns-computed.html
+++ b/tests/wpt/tests/css/css-grid/parsing/grid-template-columns-computed.html
@@ -40,4 +40,5 @@ test_computed_value("grid-template-columns", "100% [a] repeat(auto-fit, [b] 200%
 test_computed_value("grid-template-columns", "[a] 1em repeat(1, 2em [b] 3em) 4em [d]", "[a] 1px 2px [b] 3px 4px [d]");
 test_computed_value("grid-template-columns", "[a] 1em repeat(auto-fill, 2em [b] 3em) 4em [d]", "[a] 1px 2px [b] 3px 4px [d]");
 test_computed_value("grid-template-columns", "[a] 1em repeat(auto-fit, 2em [b] 3em) 4em [d]", "[a] 1px 0px [b] 0px 4px [d]");
+test_computed_value("grid-template-columns", "repeat(calc(1 + 3 * sign(100em - 1px)), 150px)", "150px 150px 150px 150px");
 
diff --git a/tests/wpt/tests/css/css-images/cross-fade-computed-value.html b/tests/wpt/tests/css/css-images/cross-fade-computed-value.html
index dbecb4a6545..007696a5c22 100644
--- a/tests/wpt/tests/css/css-images/cross-fade-computed-value.html
+++ b/tests/wpt/tests/css/css-images/cross-fade-computed-value.html
@@ -47,6 +47,12 @@
       test_computed_value('background-image',
         'cross-fade(calc(-200%) red, green)',
         'cross-fade(rgb(255, 0, 0) 0%, rgb(0, 128, 0))');
+
+      // The percentage here is not resolvable parse-time, but should always be 49%
+      // for all reasonable font sizes.
+      test_computed_value('background-image',
+        'cross-fade(calc(50% + 1% * sign(1em - 10000px)) red, green)',
+        'cross-fade(rgb(255, 0, 0) 49%, rgb(0, 128, 0))');
     
   
 
diff --git a/tests/wpt/tests/css/css-images/cross-fade-legacy-2-crash.html b/tests/wpt/tests/css/css-images/cross-fade-legacy-2-crash.html
new file mode 100644
index 00000000000..37321f88c16
--- /dev/null
+++ b/tests/wpt/tests/css/css-images/cross-fade-legacy-2-crash.html
@@ -0,0 +1,14 @@
+
+
+  
+    CSS Images Test: Legacy cross-fade syntax unresolvable at parse time crashes Chrome
+    
+    
+  
+  
+    

+    
Test passes if the browser does not crash.

+  
+
diff --git a/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge-ref.html b/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge-ref.html
deleted file mode 100644
index cfbf985055d..00000000000
--- a/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge-ref.html
+++ /dev/null
@@ -1,14 +0,0 @@
-
-
-
-

-
ABC

-

diff --git a/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge.html b/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge.html
deleted file mode 100644
index 5266274600e..00000000000
--- a/tests/wpt/tests/css/css-inline/text-box-trim/text-box-trim-ignore-nested-text-box-edge.html
+++ /dev/null
@@ -1,27 +0,0 @@
-
-Consult the block container requesting the trim for text-box-edge
-
-
-
-
-
-

-

-  
ABC

-

-

diff --git a/tests/wpt/tests/css/css-multicol/column-pseudo-background-color-ref.html b/tests/wpt/tests/css/css-multicol/column-pseudo-background-color-ref.html
new file mode 100644
index 00000000000..8a6d7415429
--- /dev/null
+++ b/tests/wpt/tests/css/css-multicol/column-pseudo-background-color-ref.html
@@ -0,0 +1,3 @@
+
+CSS Test Reference
+
You should see no red or "FAIL" below.

diff --git a/tests/wpt/tests/css/css-multicol/column-pseudo-background-color.html b/tests/wpt/tests/css/css-multicol/column-pseudo-background-color.html
new file mode 100644
index 00000000000..f321b1076eb
--- /dev/null
+++ b/tests/wpt/tests/css/css-multicol/column-pseudo-background-color.html
@@ -0,0 +1,27 @@
+
+CSS Multi-column Layout Test: ::column background-color has no effect
+
+
+
+
You should see no red or "FAIL" below.

+

+  

+

diff --git a/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-computed.html b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-computed.html
new file mode 100644
index 00000000000..f5fee578eb2
--- /dev/null
+++ b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-computed.html
@@ -0,0 +1,44 @@
+
+CSS Multi-column Layout Test: Computed ::column style
+
+
+
+
+
+

+
diff --git a/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-invalid.html b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-invalid.html
new file mode 100644
index 00000000000..34f04ede127
--- /dev/null
+++ b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-invalid.html
@@ -0,0 +1,14 @@
+
+CSS Multi-column Layout Test: ::column pseudo element invalid parsing
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-valid.html b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-valid.html
new file mode 100644
index 00000000000..5b989620ef8
--- /dev/null
+++ b/tests/wpt/tests/css/css-multicol/parsing/column-pseudo-valid.html
@@ -0,0 +1,12 @@
+
+CSS Multi-column Layout Test: ::column pseudo element valid parsing
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-nesting/parent-pseudo-in-placeholder-crash.html b/tests/wpt/tests/css/css-nesting/parent-pseudo-in-placeholder-crash.html
new file mode 100644
index 00000000000..5d73bdff3e4
--- /dev/null
+++ b/tests/wpt/tests/css/css-nesting/parent-pseudo-in-placeholder-crash.html
@@ -0,0 +1,8 @@
+
+CSS Nesting: Crash with '&' inside ::placeholder
+
+
diff --git a/tests/wpt/tests/css/css-overflow/scrollable-overflow-padding-input.html b/tests/wpt/tests/css/css-overflow/scrollable-overflow-padding-input.html
new file mode 100644
index 00000000000..6f19af1c1bf
--- /dev/null
+++ b/tests/wpt/tests/css/css-overflow/scrollable-overflow-padding-input.html
@@ -0,0 +1,36 @@
+
+CSS Overflow Test: Ensure that padding inflation does not cause block-direction scroll in input elements.
+
+
+
+
+
+
+
+
+
+

+

+

+

+
+

+
diff --git a/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-inline-subtree-print.html b/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-inline-subtree-print.html
new file mode 100644
index 00000000000..634cf5f4f58
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-inline-subtree-print.html
@@ -0,0 +1,12 @@
+
+
+
+

+  
+

+
diff --git a/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-subtree-print.html b/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-subtree-print.html
new file mode 100644
index 00000000000..3752fa1e595
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/crashtests/match-media-listener-relayout-contained-subtree-print.html
@@ -0,0 +1,12 @@
+
+
+
+

+  
+

+
diff --git a/tests/wpt/tests/css/css-page/fixedpos-011-print-ref.html b/tests/wpt/tests/css/css-page/fixedpos-011-print-ref.html
new file mode 100644
index 00000000000..8f0be4ea2fa
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/fixedpos-011-print-ref.html
@@ -0,0 +1,29 @@
+
+
+
+

+

+  There should be three pages. All pages should have a green square in the top
+  right corner.
+

+

+  

+  
Second page

+

+

+  

+  
Third page

+

diff --git a/tests/wpt/tests/css/css-page/fixedpos-011-print.html b/tests/wpt/tests/css/css-page/fixedpos-011-print.html
new file mode 100644
index 00000000000..556965138cc
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/fixedpos-011-print.html
@@ -0,0 +1,37 @@
+
+
+
+
+
+
+

+

+  

+

+

+  There should be three pages. All pages should have a green square in the top
+  right corner.
+

+

+  

+  
Second page

+

+

+  

+  
Third page

+

diff --git a/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print-ref.html b/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print-ref.html
new file mode 100644
index 00000000000..d61359f8aae
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print-ref.html
@@ -0,0 +1,21 @@
+
+
+
+

+  

+

+

+  

+
+  The page area size should be 7.5 by 6 inches. There should be two identical
+  cyan boxes above.
+

diff --git a/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print.tentative.html b/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print.tentative.html
new file mode 100644
index 00000000000..1f7bf1fdc09
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/margin-boxes/dimensions-015-print.tentative.html
@@ -0,0 +1,32 @@
+
+Viewport units in page and page margin contexts are resolved against the default page box size
+
+
+
+
+
+

+
+The page area size should be 7.5 by 6 inches. There should be two identical
+cyan boxes above.
diff --git a/tests/wpt/tests/css/css-page/page-size-015-print-ref.html b/tests/wpt/tests/css/css-page/page-size-015-print-ref.html
new file mode 100644
index 00000000000..be84cf799b7
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-015-print-ref.html
@@ -0,0 +1,10 @@
+
+
+
+The page size should be 7.5 by 6 inches.
diff --git a/tests/wpt/tests/css/css-page/page-size-015-print.tentative.html b/tests/wpt/tests/css/css-page/page-size-015-print.tentative.html
new file mode 100644
index 00000000000..1afc9b588a3
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-015-print.tentative.html
@@ -0,0 +1,19 @@
+
+Viewport units in @page context are resolved against the default page box size
+
+
+
+
+
+The page size should be 7.5 by 6 inches.
diff --git a/tests/wpt/tests/css/css-page/page-size-016-print-ref.html b/tests/wpt/tests/css/css-page/page-size-016-print-ref.html
new file mode 100644
index 00000000000..c9818f3af12
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-016-print-ref.html
@@ -0,0 +1,15 @@
+
+
+
+

+

+  The page size should be 7.5 by 6 inches. The page top margin should be 1in.
+

diff --git a/tests/wpt/tests/css/css-page/page-size-016-print.tentative.html b/tests/wpt/tests/css/css-page/page-size-016-print.tentative.html
new file mode 100644
index 00000000000..0fd12954c66
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-016-print.tentative.html
@@ -0,0 +1,24 @@
+
+Viewport units in @page context are resolved against the default page box size
+
+
+
+
+
+The page size should be 7.5 by 6 inches. The page top margin should be 1in.
diff --git a/tests/wpt/tests/css/css-page/page-size-017-print-ref.html b/tests/wpt/tests/css/css-page/page-size-017-print-ref.html
new file mode 100644
index 00000000000..72508e3d030
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-017-print-ref.html
@@ -0,0 +1,16 @@
+
+
+
+

+  The page box size should be 6 by 5 inches. Each page margin should be 0.5in,
+  resulting in a page area size of 5 by 4 inches.
+

diff --git a/tests/wpt/tests/css/css-page/page-size-017-print.tentative.html b/tests/wpt/tests/css/css-page/page-size-017-print.tentative.html
new file mode 100644
index 00000000000..e036e83f717
--- /dev/null
+++ b/tests/wpt/tests/css/css-page/page-size-017-print.tentative.html
@@ -0,0 +1,19 @@
+
+Viewport units in @page context are resolved against the default page box size
+
+
+
+
+
+The page box size should be 6 by 5 inches. Each page margin should be 0.5in,
+resulting in a page area size of 5 by 4 inches.
diff --git a/tests/wpt/tests/css/css-pseudo/parsing/the-check-pseudo-element.tentative.html b/tests/wpt/tests/css/css-pseudo/parsing/the-check-pseudo-element.tentative.html
index d6d9fc2fd90..f220e29bcd0 100644
--- a/tests/wpt/tests/css/css-pseudo/parsing/the-check-pseudo-element.tentative.html
+++ b/tests/wpt/tests/css/css-pseudo/parsing/the-check-pseudo-element.tentative.html
@@ -22,7 +22,7 @@ test_invalid_selector("::placeholder::checkmark");
 
 test_invalid_selector("::checkmark::before");
 test_invalid_selector("::checkmark::after");
-test_valid_selector("::checkmark::marker");
+test_invalid_selector("::checkmark::marker");
 test_invalid_selector("::checkmark::placeholder");
 
 test_invalid_selector("::slotted(*)::checkmark::slotted(*)");
diff --git a/tests/wpt/tests/css/css-pseudo/parsing/the-select-arrow-pseudo-element.tentative.html b/tests/wpt/tests/css/css-pseudo/parsing/the-select-arrow-pseudo-element.tentative.html
index b71bfe23634..69e1d1e11dd 100644
--- a/tests/wpt/tests/css/css-pseudo/parsing/the-select-arrow-pseudo-element.tentative.html
+++ b/tests/wpt/tests/css/css-pseudo/parsing/the-select-arrow-pseudo-element.tentative.html
@@ -1,32 +1,32 @@
 
 
-CSS ::select-arrow Pseudo-Element Test
+CSS ::picker-icon Pseudo-Element Test
 
-
+
 
 
 
 
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-computed.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-computed.html
new file mode 100644
index 00000000000..f56309bad66
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-computed.html
@@ -0,0 +1,21 @@
+
+
+
+CSS Rhythm: block-step-align computed values
+
+
+
+
+
+
+
+
+

+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-invalid.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-invalid.html
new file mode 100644
index 00000000000..d1e3c9a3226
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-invalid.html
@@ -0,0 +1,29 @@
+
+
+
+CSS Rhythm: block-step-align invalid values
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-valid.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-valid.html
new file mode 100644
index 00000000000..e86db9d13ea
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-align-valid.html
@@ -0,0 +1,20 @@
+
+
+
+CSS Rhythm: block-step-align valid values
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-computed.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-computed.html
index cedbe3b9ec8..4b0f4e8374d 100644
--- a/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-computed.html
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-computed.html
@@ -8,7 +8,6 @@
 
 
 
-
 
 
 
-

 
 
 
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-valid.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-valid.html
index f7b0b5a9e04..c1ef52d6502 100644
--- a/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-valid.html
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-insert-valid.html
@@ -7,19 +7,13 @@
 
 
 
-
 
-
 
 
-

 
 
 
\ No newline at end of file
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-computed.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-computed.html
new file mode 100644
index 00000000000..60f7d1a1cc1
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-computed.html
@@ -0,0 +1,20 @@
+
+
+
+CSS Rhythm: block-step-round computed values
+
+
+
+
+
+
+
+
+

+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-invalid.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-invalid.html
new file mode 100644
index 00000000000..558eebc9e3c
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-invalid.html
@@ -0,0 +1,34 @@
+
+
+
+CSS Rhythm: block-step-round invalid values
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-valid.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-valid.html
new file mode 100644
index 00000000000..df36bbf6ecb
--- /dev/null
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-round-valid.html
@@ -0,0 +1,19 @@
+
+
+
+CSS Rhythm: block-step-round valid values
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/css/css-rhythm/parsing/block-step-size-computed.html b/tests/wpt/tests/css/css-rhythm/parsing/block-step-size-computed.html
index e90b608215d..ce12f04a6e1 100644
--- a/tests/wpt/tests/css/css-rhythm/parsing/block-step-size-computed.html
+++ b/tests/wpt/tests/css/css-rhythm/parsing/block-step-size-computed.html
@@ -8,7 +8,6 @@
 
 
 
-
 
 
 
-

 
 
-
 
-
 
 
-

 
+
+

+  
+

+
diff --git a/tests/wpt/tests/css/css-scoping/host-in-host-selector.html b/tests/wpt/tests/css/css-scoping/host-in-host-selector.html
new file mode 100644
index 00000000000..2379d170b8f
--- /dev/null
+++ b/tests/wpt/tests/css/css-scoping/host-in-host-selector.html
@@ -0,0 +1,20 @@
+
+CSS Scoping: :host(:host)
+
+
+
+

+  
+

+
diff --git a/tests/wpt/tests/css/css-scoping/slotted-details-content-ref.html b/tests/wpt/tests/css/css-scoping/slotted-details-content-ref.html
new file mode 100644
index 00000000000..f99ca294977
--- /dev/null
+++ b/tests/wpt/tests/css/css-scoping/slotted-details-content-ref.html
@@ -0,0 +1,3 @@
+
+
+
This text should be green

diff --git a/tests/wpt/tests/css/css-scoping/slotted-details-content.html b/tests/wpt/tests/css/css-scoping/slotted-details-content.html
new file mode 100644
index 00000000000..005098bd254
--- /dev/null
+++ b/tests/wpt/tests/css/css-scoping/slotted-details-content.html
@@ -0,0 +1,17 @@
+
+
+CSS Scoping Test: ::slotted() allows ::details-content
+
+
+
+

+  
This text should be green

+

+
diff --git a/tests/wpt/tests/css/css-scoping/slotted-file-selector-button-ref.html b/tests/wpt/tests/css/css-scoping/slotted-file-selector-button-ref.html
new file mode 100644
index 00000000000..284033716d3
--- /dev/null
+++ b/tests/wpt/tests/css/css-scoping/slotted-file-selector-button-ref.html
@@ -0,0 +1,6 @@
+
+
+
Test passes if ::file-selector-button has green text.

+
diff --git a/tests/wpt/tests/css/css-scoping/slotted-file-selector-button.html b/tests/wpt/tests/css/css-scoping/slotted-file-selector-button.html
new file mode 100644
index 00000000000..7b11deda3e1
--- /dev/null
+++ b/tests/wpt/tests/css/css-scoping/slotted-file-selector-button.html
@@ -0,0 +1,18 @@
+
+
+CSS Scoping Test: ::slotted() allows ::file-selector-button
+
+
+
+
Test passes if ::file-selector-button has green text.

+

+  
+

+
diff --git a/tests/wpt/tests/css/css-scoping/slotted-parsing.html b/tests/wpt/tests/css/css-scoping/slotted-parsing.html
index e4657b588af..69eabb5c833 100644
--- a/tests/wpt/tests/css/css-scoping/slotted-parsing.html
+++ b/tests/wpt/tests/css/css-scoping/slotted-parsing.html
@@ -39,6 +39,8 @@
   // Allow tree-abiding pseudo elements after ::slotted
   test_valid_selector("::slotted(*)::before");
   test_valid_selector("::slotted(*)::after");
+  test_valid_selector("::slotted(*)::details-content");
+  test_valid_selector("::slotted(*)::file-selector-button");
   test_valid_selector("::slotted(*)::placeholder");
   test_valid_selector("::slotted(*)::marker");
 
diff --git a/tests/wpt/tests/css/css-scroll-snap/snap-fling-in-large-area.html b/tests/wpt/tests/css/css-scroll-snap/snap-fling-in-large-area.html
index 4797ddbd9a2..9becf28b8d4 100644
--- a/tests/wpt/tests/css/css-scroll-snap/snap-fling-in-large-area.html
+++ b/tests/wpt/tests/css/css-scroll-snap/snap-fling-in-large-area.html
@@ -32,7 +32,7 @@
   
   
+
+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-block-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-block-size-001.tentative.html
new file mode 100644
index 00000000000..a300b664d65
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-block-size-001.tentative.html
@@ -0,0 +1,212 @@
+
+
+
+
+
+
+
+
+
+
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+  
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+    

+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-inline-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-inline-size-001.tentative.html
new file mode 100644
index 00000000000..a2b6fea70a4
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-inline-size-001.tentative.html
@@ -0,0 +1,212 @@
+
+
+
+
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+    

+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-block-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-block-size-001.tentative.html
new file mode 100644
index 00000000000..31257c7647f
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-block-size-001.tentative.html
@@ -0,0 +1,234 @@
+
+
+
+
+
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+
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+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-inline-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-inline-size-001.tentative.html
new file mode 100644
index 00000000000..828bf7e1d2f
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-max-inline-size-001.tentative.html
@@ -0,0 +1,234 @@
+
+
+
+
+
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+
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+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-block-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-block-size-001.tentative.html
new file mode 100644
index 00000000000..bc03c684b26
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-block-size-001.tentative.html
@@ -0,0 +1,215 @@
+
+
+
+
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+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-inline-size-001.tentative.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-inline-size-001.tentative.html
new file mode 100644
index 00000000000..2af9315848f
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-alias-min-inline-size-001.tentative.html
@@ -0,0 +1,215 @@
+
+
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+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-block-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-block-size-001.html
new file mode 100644
index 00000000000..c5c02ea231d
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-block-size-001.html
@@ -0,0 +1,206 @@
+
+
+
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+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-inline-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-inline-size-001.html
new file mode 100644
index 00000000000..ee59a7cfd35
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-inline-size-001.html
@@ -0,0 +1,206 @@
+
+
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+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-max-block-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-max-block-size-001.html
new file mode 100644
index 00000000000..f836e84fcae
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-max-block-size-001.html
@@ -0,0 +1,228 @@
+
+
+
+
+
+
+
+
+
+
+  
+  

+    

+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  

+    

+  

+  

+    

+  

+  
+  

+    

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-max-inline-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-max-inline-size-001.html
new file mode 100644
index 00000000000..e17bc9a9cd9
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-max-inline-size-001.html
@@ -0,0 +1,228 @@
+
+
+
+
+
+
+
+
+
+
+  
+  

+    

+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  

+    

+  

+  

+    

+  

+  
+  

+    

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-min-block-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-min-block-size-001.html
new file mode 100644
index 00000000000..c7fc1272853
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-min-block-size-001.html
@@ -0,0 +1,209 @@
+
+
+
+
+
+
+
+
+
+
+  
+  

+    

+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  

+    

+  

+  

+    

+  

+  
+  

+    

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+
diff --git a/tests/wpt/tests/css/css-sizing/stretch/stretch-min-inline-size-001.html b/tests/wpt/tests/css/css-sizing/stretch/stretch-min-inline-size-001.html
new file mode 100644
index 00000000000..60c01030f54
--- /dev/null
+++ b/tests/wpt/tests/css/css-sizing/stretch/stretch-min-inline-size-001.html
@@ -0,0 +1,209 @@
+
+
+
+
+
+
+
+
+
+
+  
+  

+    

+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    
+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  
+  

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  
+  

+    

+  

+  

+    

+  

+
+  

+
+  
+  

+    

+  

+  

+    

+  

+  
+  

+    

+    

+  

+
+  
+  

+    

+  

+
+  
+  

+    

+  

+
diff --git a/tests/wpt/tests/css/css-values/attr-all-types.html b/tests/wpt/tests/css/css-values/attr-all-types.html
index 1e5547e80f3..56b87c92035 100644
--- a/tests/wpt/tests/css/css-values/attr-all-types.html
+++ b/tests/wpt/tests/css/css-values/attr-all-types.html
@@ -116,6 +116,7 @@
     test_valid_attr('font-size', 'attr(data-foo type(), 10px)', 'abc', '10px');
     test_valid_attr('font-size', 'attr(data-foo type( | ), 10)', '10px', '10px');
     test_valid_attr('--x', 'attr(data-foo type(), abc)', '10', 'abc');
+    test_valid_attr('--x', 'attr(data-foo type())', 'url("https://does-not-exist.test/404.png")', 'url("https://does-not-exist.test/404.png")');
 
     test_valid_attr('width', 'attr(data-foo type())', '10px', '10px');
     test_valid_attr('width', 'attr(data-foo type(), red)', '10px', '10px');
diff --git a/tests/wpt/tests/css/css-values/attr-security.html b/tests/wpt/tests/css/css-values/attr-security.html
index b3c7dda9c56..e8c041671ed 100644
--- a/tests/wpt/tests/css/css-values/attr-security.html
+++ b/tests/wpt/tests/css/css-values/attr-security.html
@@ -5,11 +5,6 @@
 
 
 
+
+
+  
+    

+  
+
+
+
diff --git a/tests/wpt/tests/css/css-values/calc-sibling-function-in-shadow-dom.html b/tests/wpt/tests/css/css-values/calc-sibling-function-in-shadow-dom.html
new file mode 100644
index 00000000000..54faa941797
--- /dev/null
+++ b/tests/wpt/tests/css/css-values/calc-sibling-function-in-shadow-dom.html
@@ -0,0 +1,33 @@
+
+
+
+  sibling-index() within Shadow DOM
+  
+  
+  
+
+
+  

+    
Some element.

+    
Some other element.

+    
This should be ignored.

+    
Some third element.

+  

+  
diff --git a/tests/wpt/tests/css/css-values/calc-sibling-function.html b/tests/wpt/tests/css/css-values/calc-sibling-function.html
index 19e08b7f9a9..368f305f6a5 100644
--- a/tests/wpt/tests/css/css-values/calc-sibling-function.html
+++ b/tests/wpt/tests/css/css-values/calc-sibling-function.html
@@ -11,6 +11,9 @@
       counter-increment: foo calc(sibling-count());
       left: calc(10% + 100px * sibling-index());
     }
+    #test::before {
+      z-index: calc(sibling-index() * 2);
+    }
   
 
 
@@ -36,6 +39,11 @@ test(() => {
   let style = getComputedStyle(document.getElementById('test'));
   assert_equals(style.left, 'calc(10% + 200px)');
 }, 'sibling-index() in calc() with percentage');
+
+test(() => {
+  let style = getComputedStyle(document.getElementById('test'), ':before');
+  assert_equals(style.zIndex, '4');
+}, 'sibling-count on pseudo-element');
   
 
 
diff --git a/tests/wpt/tests/css/css-view-transitions/new-content-flat-transform-ancestor.html b/tests/wpt/tests/css/css-view-transitions/new-content-flat-transform-ancestor.html
index 112a0af2c45..5642b8730fb 100644
--- a/tests/wpt/tests/css/css-view-transitions/new-content-flat-transform-ancestor.html
+++ b/tests/wpt/tests/css/css-view-transitions/new-content-flat-transform-ancestor.html
@@ -4,7 +4,7 @@
 
 
 
-
+
 
 
 
diff --git a/tests/wpt/tests/css/cssom-view/interrupt-hidden-smooth-scroll.html b/tests/wpt/tests/css/cssom-view/interrupt-hidden-smooth-scroll.html
index 5d6033747e9..c52a43a5956 100644
--- a/tests/wpt/tests/css/cssom-view/interrupt-hidden-smooth-scroll.html
+++ b/tests/wpt/tests/css/cssom-view/interrupt-hidden-smooth-scroll.html
@@ -53,7 +53,7 @@
         }
       };
       scroller.onscroll = (event) => {
-        if (scroller.scrollTop > 1) {
+        if (scroller.scrollTop > 1 && scroller.scrollTop < 200) {
           // Interrupt the smooth scroll.
           scroller.scrollTop = 1;
           interrupted = true;
diff --git a/tests/wpt/tests/css/cssom-view/scrollWidthHeight-contain-layout.html b/tests/wpt/tests/css/cssom-view/scrollWidthHeight-contain-layout.html
new file mode 100644
index 00000000000..1afab088506
--- /dev/null
+++ b/tests/wpt/tests/css/cssom-view/scrollWidthHeight-contain-layout.html
@@ -0,0 +1,47 @@
+
+
+
+
+
+
+
+
+scroll{Width,Height} with contain: layout
+
+
+
+

+  

+

+
diff --git a/tests/wpt/tests/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht b/tests/wpt/tests/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht
index f0fd373b1de..8eb08d55203 100644
--- a/tests/wpt/tests/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht
+++ b/tests/wpt/tests/css/cssom-view/scrollWidthHeightWhenNotScrollable.xht
@@ -77,23 +77,17 @@
                 assert_equals(elemOverflow.clientHeight, 90);
             }, "elemOverflow.clientHeight is the height of the padding edge");
 
-            /* This test differs from the spec. All major browsers give the result here, ignoring
-               the bottom padding.
-            */
             test(function(){
-                assert_equals(elemOverflow.scrollHeight, 150);
+                assert_equals(elemOverflow.scrollHeight, 200);
             }, "elemOverflow.scrollHeight is the height of its scrolled contents (ignoring padding, since we overflowed)");
 
             test(function(){
-            }, "elemOverflow.clientWidth is the width of the padding edge");
                 assert_equals(elemOverflow.clientWidth, 240);
+            }, "elemOverflow.clientWidth is the width of the padding edge");
 
-            /* This test differs from the spec. All major browsers give the result here, ignoring
-               the right padding.
-            */
             test(function(){
-                assert_equals(elemOverflow.scrollWidth, 250);
-            }, "elemOverflow.scrollHeight is the width of its scrolled contents (ignoring padding, since we overflowed)");
+                assert_equals(elemOverflow.scrollWidth, 290);
+            }, "elemOverflow.scrollHeight is the width of its scrolled contents (plus padding)");
 
             test(function(){
                 assert_equals(elemNestedOverflow.clientHeight, 90);
diff --git a/tests/wpt/tests/css/selectors/invalidation/crashtests/has-pseudoclass-only-crash.html b/tests/wpt/tests/css/selectors/invalidation/crashtests/has-pseudoclass-only-crash.html
new file mode 100644
index 00000000000..408e32cd534
--- /dev/null
+++ b/tests/wpt/tests/css/selectors/invalidation/crashtests/has-pseudoclass-only-crash.html
@@ -0,0 +1,21 @@
+
+
+
+
+
+

+  

+  

+  

+

+
diff --git a/tests/wpt/tests/css/selectors/invalidation/has-pseudoclass-only.html b/tests/wpt/tests/css/selectors/invalidation/has-pseudoclass-only.html
new file mode 100644
index 00000000000..49b2263e31e
--- /dev/null
+++ b/tests/wpt/tests/css/selectors/invalidation/has-pseudoclass-only.html
@@ -0,0 +1,84 @@
+
+CSS Selectors Invalidation: :has() containing :empty, :first-child, :last-child, pseudoclasses only
+
+
+
+
+
+
+

+
diff --git a/tests/wpt/tests/docs/README.md b/tests/wpt/tests/docs/README.md
index a753462429d..8d4423613a1 100644
--- a/tests/wpt/tests/docs/README.md
+++ b/tests/wpt/tests/docs/README.md
@@ -15,10 +15,10 @@ If you would like to build the site locally, follow these instructions.
    variety of systems.
 2. Download the source code. Clone this repository using the `git clone`
    command.
-3. Install the Python dependencies. Run the following command in a terminal
-   from the "docs" directory of the WPT repository:
+3. Install the Python dependencies. Run the following command in a terminal:
 
-       pip install -r requirements.txt
+       pip install -r docs/requirements.txt
 
-4. Build the documentation. Windows users should execute the `make.bat` batch
-   file. GNU/Linux and macOS users should use the `make` command.
+4. Build the documentation:
+
+       ./wpt build-docs
diff --git a/tests/wpt/tests/docs/running-tests/from-local-system.md b/tests/wpt/tests/docs/running-tests/from-local-system.md
index 0d524ea356a..cccb17e43f9 100644
--- a/tests/wpt/tests/docs/running-tests/from-local-system.md
+++ b/tests/wpt/tests/docs/running-tests/from-local-system.md
@@ -173,6 +173,7 @@ here](command-line-arguments.html#run).
   android_webview
   safari
   webkitgtk_minibrowser
+  wpewebkit_minibrowser
 ```
 
 ### Running in parallel
diff --git a/tests/wpt/tests/docs/running-tests/webkitgtk_minibrowser.md b/tests/wpt/tests/docs/running-tests/webkitgtk_minibrowser.md
index 5dd047536ed..55bcbf1bd6a 100644
--- a/tests/wpt/tests/docs/running-tests/webkitgtk_minibrowser.md
+++ b/tests/wpt/tests/docs/running-tests/webkitgtk_minibrowser.md
@@ -1,22 +1,74 @@
 # WebKitGTK MiniBrowser
 
+To be able to run tests with the [WebKitGTK](https://webkitgtk.org/)
+MiniBrowser you need the following packages installed:
 
-To be able to run tests with the WebKitGTK MiniBrowser you need the
-following packages installed:
-
-* Fedora: `webkit2gtk3-devel`
-* Debian or Ubuntu: `webkit2gtk-driver`
-
+* Fedora: `webkitgtk6.0`
+* Debian or Ubuntu: `webkitgtk-driver` or `webkit2gtk-driver`
+* Arch: `webkitgtk-6.0`
 
 The WebKitGTK MiniBrowser is not installed on the default binary path.
 The `wpt` script will try to automatically locate it, but if you need
 to run it manually you can find it on any of this paths:
 
-* Fedora: `/usr/libexec/webkit2gtk-${VERSION}/MiniBrowser`
-* Debian or Ubuntu: `/usr/lib/x86_64-linux-gnu/webkit2gtk-${VERSION}/MiniBrowser`
-* Note:
-     * `VERSION` is `4.0` or `4.1`.
-     * If not Fedora and the machine architecture is not `x86_64`, then it will
-      be located inside:
-      `/usr/lib/${TRIPLET}/webkit2gtk-${VERSION}/MiniBrowser`
-      where `TRIPLET=$(gcc -dumpmachine)`
+* Fedora: `/usr/libexec/webkitgtk-${APIVERSION}/MiniBrowser`
+* Arch: `/usr/lib/webkitgtk-${APIVERSION}/MiniBrowser`
+* Debian or Ubuntu: `/usr/lib/${TRIPLET}/webkitgtk-${APIVERSION}/MiniBrowser`
+  * Note: `${TRIPLET}` is the output of the command `gcc -dumpmachine`
+
+# Nightly universal bundle
+
+Alternatively you can pass to `wpt` the flags `--install-browser --channel=nightly`
+and then `wpt` will automatically download the last bundle and unpack it on the
+default `wpt` working directory (usually subdir `_venv3/browsers` in your `wpt` checkout)
+Then it will use the unpacked `MiniBrowser` and `WebKitWebDriver` binaries to run the tests.
+
+This universal bundles should work on any Linux distribution as they include inside
+the tarball all the system libraries and resources needed to run WebKitGTK, from libc
+up to the Mesa graphics drivers without requiring the usage of containers.
+
+If you are using proprietary graphics drivers (NVIDIA, AMDGPU PRO, etc) and you experience
+issues with this bundle then a possible workaround is to try to run the tests headless
+inside a virtualized display like `Xvfb` (see command `xvfb-run -a` on Debian/Ubuntu).
+You can do this also from inside a virtual machine or Docker container.
+
+# Headless mode
+
+WebKitGTK does not have a native headless mode, but you can workaround that
+by running the tests inside a virtualized display. For example you can use
+`weston` with the headless backend for a virtualized `Wayland` display,
+or you can use `Xvfb` for a virtualized `X11` display.
+
+Example:
+
+    xvfb-run -a ./wpt run [more-options] webkitgtk_minibrowser [tests-to-run]
+
+
+# Using a custom WebKitGTK build
+
+If you want to test with a custom WebKitGTK build the easiest way is that you
+install this build in a temporary directory (`/tmp/wkgtktest` in this example),
+and then tell `wpt` to run it from there.
+
+Steps:
+
+1. Build WebKitGTK passing these arguments to `CMake`:
+
+       -DENABLE_MINIBROWSER=ON -DCMAKE_INSTALL_PREFIX=/tmp/wkgtktest
+
+2. Install it: `ninja install` (or `make install`)
+3. Locate the `MiniBrowser` and `WebKitWebDriver` binaries under the install directory.
+4. Run `wpt` passing these two paths like this:
+
+       ./wpt run --webdriver-binary=/tmp/wkgtktest/bin/WebKitWebDriver \
+                 --binary=/tmp/wkgtktest/libexec/MiniBrowser \
+                 [more-options] webkitgtk_minibrowser [tests-to-run]
+
+Note: It is important that you build WebKitGTK against the libraries of your system.
+Do not build WebKitGTK inside Flatpak or other container unless you run `wpt` also
+from inside this container.
+
+# Running tests locally
+
+Is a good idea that you increase the verbosity of `wpt` by passing to it the flag `--log-mach=-`
+Also, please check the documentation about [Running Tests from the Local System](from-local-system).
diff --git a/tests/wpt/tests/docs/running-tests/wpewebkit_minibrowser.md b/tests/wpt/tests/docs/running-tests/wpewebkit_minibrowser.md
new file mode 100644
index 00000000000..7721279b041
--- /dev/null
+++ b/tests/wpt/tests/docs/running-tests/wpewebkit_minibrowser.md
@@ -0,0 +1,70 @@
+# WPE WebKit MiniBrowser
+
+To be able to run tests with the [WPE WebKit](https://wpewebkit.org)
+MiniBrowser you need the following packages installed:
+
+* Fedora: N/A (build your own or use the nighly bundle)
+* Debian or Ubuntu: `wpewebkit-driver` and `libwpewebkit`
+* Arch:  `wpewebkit`
+
+The WPE WebKit MiniBrowser is not installed on the default binary path.
+The `wpt` script will try to automatically locate it, but if you need
+to run it manually you can find it on any of this paths:
+
+* Arch: `/usr/lib/wpe-webkit-${APIVERSION}/MiniBrowser`
+* Debian or Ubuntu: `/usr/lib/${TRIPLET}/wpe-webkit-${APIVERSION}/MiniBrowser`
+  * Note: `${TRIPLET}` is the output of the command `gcc -dumpmachine`
+
+# Nightly universal bundle
+
+Alternatively you can pass to `wpt` the flags `--install-browser --channel=nightly`
+and then `wpt` will automatically download the last bundle and unpack it on the
+default `wpt` working directory (usually subdir `_venv3/browsers` in your `wpt` checkout)
+Then it will use the unpacked `MiniBrowser` and `WPEWebDriver` binaries to run the tests.
+
+This universal bundles should work on any Linux distribution as they include inside
+the tarball all the system libraries and resources needed to run WPE WebKit, from libc
+up to the Mesa graphics drivers without requiring the usage of containers.
+
+If you are using proprietary graphics drivers (NVIDIA, AMDGPU PRO, etc) and you experience
+issues with this bundle then a possible workaround is to try to run the tests in
+headless mode, for that pass the flag `--headless` to `wpt`
+
+# Headless mode
+
+The WPE MiniBrowser needs a Wayland display to run, but if you don't have one
+or you want to enable headless mode you can pass the flag `--headless` to `wpt`.
+
+Example:
+```
+./wpt run [more-options] --headless wpewebkit_minibrowser [tests-to-run]
+```
+
+# Using a custom WPE WebKit build
+
+If you want to test with a custom WPE WebKit build the easiest way is that you
+install this build in a temporary directory (`/tmp/wpetest` in this example),
+and then tell `wpt` to run it from there.
+
+Steps:
+
+1. Build WPE WebKit passing these arguments to `CMake`:
+
+       -DENABLE_MINIBROWSER=ON -DCMAKE_INSTALL_PREFIX=/tmp/wpetest
+
+2. Install it: `ninja install` (or `make install`)
+3. Locate the `MiniBrowser` and `WPEWebDriver` binaries under the install directory.
+4. Run `wpt` passing these two paths like this:
+
+       ./wpt run --webdriver-binary=/tmp/wpetest/bin/WPEWebDriver \
+                 --binary=/tmp/wpetest/libexec/MiniBrowser \
+                 [more-options] webkitgtk_minibrowser [tests-to-run]
+
+Note: It is important that you build WPE WebKit against the libraries of your system.
+Do not build WPE WebKit inside Flatpak or other container unless you run `wpt` also
+from inside this container.
+
+# Running tests locally
+
+Is a good idea that you increase the verbosity of `wpt` by passing to it the flag `--log-mach=-`
+Also, please check the documentation about [Running Tests from the Local System](from-local-system).
diff --git a/tests/wpt/tests/docs/writing-tests/wdspec.md b/tests/wpt/tests/docs/writing-tests/wdspec.md
index 1943fb9e943..f4311dd5044 100644
--- a/tests/wpt/tests/docs/writing-tests/wdspec.md
+++ b/tests/wpt/tests/docs/writing-tests/wdspec.md
@@ -1,7 +1,8 @@
 # wdspec tests
 
 The term "wdspec" describes a type of test in WPT which verifies some aspect of
-[the WebDriver protocol](https://w3c.github.io/webdriver/). These tests are
+[WebDriver Classic](https://w3c.github.io/webdriver/) or
+[WebDriver BiDi](https://w3c.github.io/webdriver-bidi) protocols. These tests are
 written in [the Python programming language](https://www.python.org/) and
 structured with [the pytest testing
 framework](https://docs.pytest.org/en/latest/).
@@ -66,3 +67,100 @@ a WebDriver session) are defined in terms of Pytest "fixtures" and must be
 loaded accordingly. For more detail on how to define and use test fixtures,
 please refer to [the pytest project's documentation on the
 topic](https://docs.pytest.org/en/latest/fixture.html).
+
+## WebDriver BiDi
+
+The wdspec tests for [WebDriver BiDi](https://w3c.github.io/webdriver-bidi) are
+located in the `tests/bidi/` and `tests/interop` directories. Tests related to
+external specifications are located in `external` subdirectories e.g.
+[Permissions](https://www.w3.org/TR/permissions/) tests would go in
+`tests/bidi/external/permissions/`.
+
+The `webdriver.bidi.client.BidiSession` class provides an abstraction for the BiDi
+client and contains properties corresponding to the
+[WebDriver BiDi modules](https://w3c.github.io/webdriver-bidi/#protocol-modules). It
+can be retrieved by fixture `bidi_session`.
+
+### Extending WebDriver BiDi
+
+This section describes how to extend the WebDriver BiDi client with an example of
+adding support for [Permissions](https://www.w3.org/TR/permissions/).
+
+#### Adding a New Module
+
+##### Create `BidiModule`
+
+BiDi modules are defined in the `tools/webdriver/webdriver/bidi/modules/` directory.
+To add a new module called `permissions`, declare a Python class
+`webdriver.bidi.modules.permissions.Permissions` that inherits from `BidiModule` and
+store it in [`tools/webdriver/webdriver/bidi/modules/permissions.py`](https://github.com/web-platform-tests/wpt/blob/b81831169b8527a6c569a4ad92cf8a1baf4a7118/tools/webdriver/webdriver/bidi/modules/permissions.py#L7):
+
+```python
+class Permissions(BidiModule):
+    pass
+```
+
+##### Import the Module in `bidi/modules/__init__.py`
+
+Import this class in `tools/webdriver/webdriver/bidi/modules/__init__.py`:
+
+```python
+from .permissions import Permissions
+```
+
+##### Create an Instance of the Module in `webdriver.bidi.client.BidiSession`
+
+Modify the `webdriver.bidi.client.BidiSession.__init__` method to create an instance
+of `Permissions` and store it in a `permissions` [property](https://github.com/web-platform-tests/wpt/blob/b81831169b8527a6c569a4ad92cf8a1baf4a7118/tools/webdriver/webdriver/bidi/client.py#L98):
+
+```python
+self.permissions = modules.Permissions(self)
+```
+
+#### Adding a New Command
+
+[WebDriver BiDi commands](https://w3c.github.io/webdriver-bidi/#commands) are
+represented as module methods decorated with
+`@command` (`webdriver.bidi.modules._module.command`). To add a new command, add
+a method with the corresponding name (translated from camel case to snake case) to
+the module. The method should return a dictionary that represents the
+[command parameters](https://w3c.github.io/webdriver-bidi/#command-command-parameters).
+
+For example, to add the
+[`permissions.setPermission`](https://www.w3.org/TR/permissions/#webdriver-bidi-command-permissions-setPermission)
+command, add the following `set_permission` method to the [`Permissions` class](https://github.com/web-platform-tests/wpt/blob/b81831169b8527a6c569a4ad92cf8a1baf4a7118/tools/webdriver/webdriver/bidi/modules/permissions.py#L9):
+
+```python
+from ._module import command
+...
+class Permissions(BidiModule):
+...
+    @command
+    def set_permission(self,
+          descriptor: Union[Optional[Mapping[str, Any]], Undefined] = UNDEFINED,
+          state: Union[Optional[str], Undefined] = UNDEFINED,
+          origin: Union[Optional[str], Undefined] = UNDEFINED,
+          user_context: Union[Optional[str], Undefined] = UNDEFINED) -> Mapping[str, Any]:
+        params: MutableMapping[str, Any] = {
+            "descriptor": descriptor,
+            "state": state,
+            "origin": origin,
+            "userContext": user_context,
+        }
+        return params
+```
+
+### Adding Tests
+
+Generally, a single test file should contain tests for a single parameter or feature
+and stored in `webdriver/tests/bidi/{MODULE}/{METHOD}/{FEATURE}.py`
+For example, tests for
+[`permissions.setPermission`](https://www.w3.org/TR/permissions/#webdriver-bidi-command-permissions-setPermission)
+could be split into:
+
+* Invalid parameters: [`set_permission/invalid.py`](https://github.com/web-platform-tests/wpt/blob/aa019e3ff08cc75644edca41cfb095601477cb9d/webdriver/tests/bidi/external/permissions/set_permission/invalid.py)
+* Common scenarios: [`set_permission/set_permission.py`](https://github.com/web-platform-tests/wpt/blob/aa019e3ff08cc75644edca41cfb095601477cb9d/webdriver/tests/bidi/external/permissions/set_permission/set_permission.py)
+* User context: [`set_permission/user_context.py`](https://github.com/web-platform-tests/wpt/blob/master/webdriver/tests/bidi/external/permissions/set_permission/user_context.py)
+
+Tests should use `bidi_session`'s modules' methods to send commands and verify its
+side effects.
diff --git a/tests/wpt/tests/dom/idlharness-shadowrealm.window.js b/tests/wpt/tests/dom/idlharness-shadowrealm.window.js
deleted file mode 100644
index d9312080264..00000000000
--- a/tests/wpt/tests/dom/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["dom"], ["html"]);
diff --git a/tests/wpt/tests/dom/idlharness.any.js b/tests/wpt/tests/dom/idlharness.any.js
index 26da3ab3bf9..98463561098 100644
--- a/tests/wpt/tests/dom/idlharness.any.js
+++ b/tests/wpt/tests/dom/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=worker
+// META: global=worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 // META: timeout=long
diff --git a/tests/wpt/tests/editing/data/inserthtml.js b/tests/wpt/tests/editing/data/inserthtml.js
index 412fa63ef31..fcfc32f1e92 100644
--- a/tests/wpt/tests/editing/data/inserthtml.js
+++ b/tests/wpt/tests/editing/data/inserthtml.js
@@ -487,7 +487,7 @@ var browserTests = [
     {"inserthtml":[false,false,"",false,false,""]}],
 ["
{}
",
     [["inserthtml",""]],
-    "
{}
",
+    "
{}
",
     [true],
     {"inserthtml":[false,false,"",false,false,""]}],
 ["
{}
",
@@ -521,7 +521,7 @@ var browserTests = [
     {"inserthtml":[false,false,"",false,false,""]}],
 ["

{}
",
     [["inserthtml",""]],
-    "

",
+    "
",
     [true],
     {"inserthtml":[false,false,"",false,false,""]}],
 ["

{}
",
@@ -567,19 +567,21 @@ var browserTests = [
     {"inserthtml":[false,false,"",false,false,""]}],
 ["
[1234]
",
     [["inserthtml","
abc
"]],
-    "
abc
",
+    ["
abc
",
+     "
abc
"],
     [true],
     {"inserthtml":[false,false,"",false,false,""]}],
 
 // Empty inline elements shouldn't be deleted if they are inserted intentionally
 ["
a[]b
",
     [["inserthtml",""]],
-    "
ab
",
+    ["
ab
","
ab
"],
     [true],
     {"inserthtml":[false,false,"",false,false,""]}],
 ["
a[]c
",
     [["inserthtml","b"]],
-    "
abc
",
+    ["
abc
",
+     "
abc
"],
     [true],
     {"inserthtml":[false,false,"",false,false,""]}],
 ["{}",
diff --git a/tests/wpt/tests/encoding/idlharness-shadowrealm.window.js b/tests/wpt/tests/encoding/idlharness-shadowrealm.window.js
deleted file mode 100644
index 205b35cf04a..00000000000
--- a/tests/wpt/tests/encoding/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["encoding"], ["streams"]);
diff --git a/tests/wpt/tests/encoding/idlharness.any.js b/tests/wpt/tests/encoding/idlharness.any.js
index acd100c43b4..2617913c7a4 100644
--- a/tests/wpt/tests/encoding/idlharness.any.js
+++ b/tests/wpt/tests/encoding/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker
+// META: global=window,worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 
diff --git a/tests/wpt/tests/event-timing/modal-dialog-interrupt-paint.html b/tests/wpt/tests/event-timing/modal-dialog-interrupt-paint.html
index 011311a03a3..1ac76810b1b 100644
--- a/tests/wpt/tests/event-timing/modal-dialog-interrupt-paint.html
+++ b/tests/wpt/tests/event-timing/modal-dialog-interrupt-paint.html
@@ -16,6 +16,9 @@
   const events = ['click'];
   const showModalDialog = () => {
     alert();
+    // Stay busy for a few more ms after dialog closes, to ensure processingEnd
+    // time is far from startTime + duration
+    mainThreadBusy(16);
   };
   document.getElementById('testButtonId').addEventListener("click", showModalDialog);
 
diff --git a/tests/wpt/tests/fenced-frame/resources/unfenced-top-target.html b/tests/wpt/tests/fenced-frame/resources/unfenced-top-target.html
new file mode 100644
index 00000000000..9838f400e11
--- /dev/null
+++ b/tests/wpt/tests/fenced-frame/resources/unfenced-top-target.html
@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/tests/wpt/tests/fenced-frame/unfenced-top-navigation-default.https.html b/tests/wpt/tests/fenced-frame/unfenced-top-navigation-default.https.html
new file mode 100644
index 00000000000..9daa0117fe4
--- /dev/null
+++ b/tests/wpt/tests/fenced-frame/unfenced-top-navigation-default.https.html
@@ -0,0 +1,37 @@
+
+Test '_unfencedTop' navigation from a default-mode fenced frame
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/tests/wpt/tests/fledge/tentative/generate-bid-browser-signals.https.window.js b/tests/wpt/tests/fledge/tentative/generate-bid-browser-signals.https.window.js
index 75a8b8368d4..44a5f284110 100644
--- a/tests/wpt/tests/fledge/tentative/generate-bid-browser-signals.https.window.js
+++ b/tests/wpt/tests/fledge/tentative/generate-bid-browser-signals.https.window.js
@@ -33,6 +33,7 @@ subsetTest(promise_test, async test => {
     "adComponentsLimit": 40,
     "joinCount": 1,
     "bidCount": 0,
+    "multiBidLimit": 1,
     "prevWinsMs": []
   }
   let biddingLogicURL = createBiddingScriptURL(
diff --git a/tests/wpt/tests/fledge/tentative/resources/fledge-util.sub.js b/tests/wpt/tests/fledge/tentative/resources/fledge-util.sub.js
index 6f16e5e1e8c..8e387588aa9 100644
--- a/tests/wpt/tests/fledge/tentative/resources/fledge-util.sub.js
+++ b/tests/wpt/tests/fledge/tentative/resources/fledge-util.sub.js
@@ -2,7 +2,9 @@
 
 const BASE_URL = document.baseURI.substring(0, document.baseURI.lastIndexOf('/') + 1);
 const BASE_PATH = (new URL(BASE_URL)).pathname;
-const RESOURCE_PATH = `${BASE_PATH}resources/`
+
+// Allow overriding to allow other repositories to use these utility functions.
+RESOURCE_PATH = `${BASE_PATH}resources/`
 
 const DEFAULT_INTEREST_GROUP_NAME = 'default name';
 
diff --git a/tests/wpt/tests/fullscreen/api/element-request-fullscreen-timing.html b/tests/wpt/tests/fullscreen/api/element-request-fullscreen-timing.html
index 9ed6dc14936..19ef0b3f2a0 100644
--- a/tests/wpt/tests/fullscreen/api/element-request-fullscreen-timing.html
+++ b/tests/wpt/tests/fullscreen/api/element-request-fullscreen-timing.html
@@ -22,7 +22,8 @@ promise_test(async t => {
       if (event.type == 'fullscreenchange') {
         step_timeout(t.unreached_func('timer callback'));
         requestAnimationFrame(t.step_func_done(() => {
-          assert_array_equals(events, ['resize', 'fullscreenchange'], 'event order');
+          // Removed 'resize' expectation for now, see https://crbug.com/381127087.
+          assert_array_equals(events, ['fullscreenchange'], 'event order');
           resolve();
         }));
       }
diff --git a/tests/wpt/tests/hr-time/idlharness-shadowrealm.window.js b/tests/wpt/tests/hr-time/idlharness-shadowrealm.window.js
deleted file mode 100644
index b5b2a2d3efd..00000000000
--- a/tests/wpt/tests/hr-time/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["hr-time"], ["html", "dom"]);
diff --git a/tests/wpt/tests/hr-time/idlharness.any.js b/tests/wpt/tests/hr-time/idlharness.any.js
index 6676b001a8b..2a6e6b81af8 100644
--- a/tests/wpt/tests/hr-time/idlharness.any.js
+++ b/tests/wpt/tests/hr-time/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker
+// META: global=window,worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 // META: timeout=long
@@ -11,6 +11,10 @@ idl_test(
   ['hr-time'],
   ['html', 'dom'],
   async idl_array => {
+    if (self.GLOBAL.isShadowRealm()) {
+      return;
+    }
+
     if (self.GLOBAL.isWorker()) {
       idl_array.add_objects({ WorkerGlobalScope: ['self'] });
     } else {
diff --git a/tests/wpt/tests/html/browsers/windows/consume-user-activation/window-open.html b/tests/wpt/tests/html/browsers/windows/consume-user-activation/window-open.html
index 8328d99a1de..5304c656b2d 100644
--- a/tests/wpt/tests/html/browsers/windows/consume-user-activation/window-open.html
+++ b/tests/wpt/tests/html/browsers/windows/consume-user-activation/window-open.html
@@ -15,5 +15,19 @@ promise_test(async function(t) {
     testWin.close();
   });
   assert_false(navigator.userActivation.isActive, "User activation should be consumed");
-});
+}, "Opening a new window should consume user activation");
+
+promise_test(async function(t) {
+  await test_driver.bless("user activation");
+  const testWin = window.open("/resources/blank.html", "testWindow");
+  assert_false(navigator.userActivation.isActive, "User activation should be consumed");
+  t.add_cleanup(() => {
+    testWin.close();
+  });
+
+  // Open the existing window again
+  await test_driver.bless("user activation");
+  const testWin2 = window.open("/resources/blank.html", "testWindow");
+  assert_true(navigator.userActivation.isActive, "User activation should not be consumed");
+}, "Opening an existing window should not consume user activation");
 
diff --git a/tests/wpt/tests/html/cross-origin-opener-policy/tentative/noopener/coop-noopener-allow-popups.https.html b/tests/wpt/tests/html/cross-origin-opener-policy/coop-noopener-allow-popups.https.html
similarity index 86%
rename from tests/wpt/tests/html/cross-origin-opener-policy/tentative/noopener/coop-noopener-allow-popups.https.html
rename to tests/wpt/tests/html/cross-origin-opener-policy/coop-noopener-allow-popups.https.html
index e8a1ea00092..80f205c13e3 100644
--- a/tests/wpt/tests/html/cross-origin-opener-policy/tentative/noopener/coop-noopener-allow-popups.https.html
+++ b/tests/wpt/tests/html/cross-origin-opener-policy/coop-noopener-allow-popups.https.html
@@ -9,8 +9,8 @@
 
 
 
-
-
+
+
 
diff --git a/tests/wpt/tests/html/document-isolation-policy/credentialless-dedicated-worker.https.tentative.window.js b/tests/wpt/tests/html/document-isolation-policy/credentialless-dedicated-worker.https.tentative.window.js
index e6c9001c7f5..748130dfdc2 100644
--- a/tests/wpt/tests/html/document-isolation-policy/credentialless-dedicated-worker.https.tentative.window.js
+++ b/tests/wpt/tests/html/document-isolation-policy/credentialless-dedicated-worker.https.tentative.window.js
@@ -29,7 +29,7 @@ promise_test(async test => {
   // One window with DIP:isolate-and-credentialless. (experiment)
   const w_credentialless_token = token();
   const w_credentialless_url = same_origin + executor_path +
-    coep_credentialless + `&uuid=${w_credentialless_token}`;
+    dip_credentialless + `&uuid=${w_credentialless_token}`;
   const w_credentialless = window.open(w_credentialless_url);
   add_completion_callback(() => w_credentialless.close());
 
@@ -48,16 +48,12 @@ promise_test(async test => {
       const worker_token_2 = token();
 
       // Used to check for errors creating the DedicatedWorker.
-      const worker_error_1 = token();
-      const worker_error_2 = token();
+      const worker_error = token();
 
       const w_worker_src_1 = same_origin + executor_worker_path +
         coep_for_worker + `&uuid=${worker_token_1}`;
       send(w_control_token, `
-        new Worker("${w_worker_src_1}", {});
-        worker.onerror = () => {
-          send("${worker_error_1}", "Worker blocked");
-        }
+        const worker = new Worker("${w_worker_src_1}", {});
       `);
 
       const w_worker_src_2 = same_origin + executor_worker_path +
@@ -65,7 +61,7 @@ promise_test(async test => {
       send(w_credentialless_token, `
         const worker = new Worker("${w_worker_src_2}", {});
         worker.onerror = () => {
-          send("${worker_error_2}", "Worker blocked");
+          send("${worker_error}", "Worker blocked");
         }
       `);
 
@@ -82,16 +78,13 @@ promise_test(async test => {
         fetch("${request_url_2}", {mode: 'no-cors', credentials: 'include'});
       `);
 
-      const response_control = await Promise.race([
-        receive(worker_error_1),
-        receive(request_token_1).then(GetCookie)
-      ]);
+      const response_control = await receive(request_token_1).then(GetCookie);
       assert_equals(response_control,
         expected_cookies_control,
         "coep:none => ");
 
       const response_credentialless = await Promise.race([
-        receive(worker_error_2),
+        receive(worker_error),
         receive(request_token_2).then(GetCookie)
       ]);
       assert_equals(response_credentialless,
@@ -118,7 +111,7 @@ promise_test(async test => {
   dedicatedWorkerTest("cross-origin",
     cross_origin, dip_none,
     cookie_cross_origin,
-    "Worker blocked" // Owner's policy is credentialles, so we can't
+    "Worker blocked" // Owner's policy is credentialless, so we can't
                      // create a worker with coep_none.
   );
 
diff --git a/tests/wpt/tests/html/dom/idlharness-shadowrealm.window.js b/tests/wpt/tests/html/dom/idlharness-shadowrealm.window.js
deleted file mode 100644
index e0f2691ce2a..00000000000
--- a/tests/wpt/tests/html/dom/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["html"], ["wai-aria", "SVG", "cssom", "touch-events", "uievents", "dom", "xhr", "FileAPI", "mediacapture-streams", "performance-timeline"]);
diff --git a/tests/wpt/tests/html/dom/idlharness.worker.js b/tests/wpt/tests/html/dom/idlharness.any.js
similarity index 72%
rename from tests/wpt/tests/html/dom/idlharness.worker.js
rename to tests/wpt/tests/html/dom/idlharness.any.js
index 88942ddfea1..399588dce1e 100644
--- a/tests/wpt/tests/html/dom/idlharness.worker.js
+++ b/tests/wpt/tests/html/dom/idlharness.any.js
@@ -1,12 +1,17 @@
-"use strict";
+// META: global=dedicatedworker,shadowrealm-in-window
+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
 
-importScripts("/resources/testharness.js");
-importScripts("/resources/WebIDLParser.js", "/resources/idlharness.js");
+"use strict";
 
 idl_test(
   ["html"],
   ["wai-aria", "dom", "cssom", "touch-events", "uievents", "performance-timeline"],
   idlArray => {
+    if (self.GLOBAL.isShadowRealm()) {
+      return;
+    }
+
     idlArray.add_untested_idls('typedef Window WindowProxy;');
     idlArray.add_objects({
       WorkerLocation: ['self.location'],
@@ -18,5 +23,3 @@ idl_test(
     });
   }
 );
-
-done();
diff --git a/tests/wpt/tests/html/semantics/forms/the-option-element/dynamic-content-change-rendering.html b/tests/wpt/tests/html/semantics/forms/the-option-element/dynamic-content-change-rendering.html
index 1108c45e11b..78896483ecb 100644
--- a/tests/wpt/tests/html/semantics/forms/the-option-element/dynamic-content-change-rendering.html
+++ b/tests/wpt/tests/html/semantics/forms/the-option-element/dynamic-content-change-rendering.html
@@ -4,7 +4,7 @@
 
 
 
-
+
 
 
 
diff --git a/tests/wpt/tests/html/semantics/interactive-elements/the-dialog-element/dialog-popover-closedby-complex.tentative.html b/tests/wpt/tests/html/semantics/interactive-elements/the-dialog-element/dialog-popover-closedby-complex.tentative.html
index aa45ecaad4f..0d300595287 100644
--- a/tests/wpt/tests/html/semantics/interactive-elements/the-dialog-element/dialog-popover-closedby-complex.tentative.html
+++ b/tests/wpt/tests/html/semantics/interactive-elements/the-dialog-element/dialog-popover-closedby-complex.tentative.html
@@ -24,6 +24,7 @@
   #popoverA { top: 150px; bottom: auto; padding:0; }
   #dialogB { top: 200px; bottom: auto; padding:0; }
   #popoverB { top: 250px; bottom: auto; padding:0; }
+  dialog { position: fixed; }
 
 
 
+
+
+
+
+
+  

+    

+      

+        
+      

+    

+  

+
+
+
+
diff --git a/tests/wpt/tests/html/webappapis/the-shadowrealmglobalscope-interface/self.any.js b/tests/wpt/tests/html/webappapis/the-shadowrealmglobalscope-interface/self.any.js
new file mode 100644
index 00000000000..0cb7950c7c5
--- /dev/null
+++ b/tests/wpt/tests/html/webappapis/the-shadowrealmglobalscope-interface/self.any.js
@@ -0,0 +1,48 @@
+// META: title=The self attribute
+// META: global=shadowrealm
+
+test(() => {
+  assert_equals(self, globalThis, "self should be the same object as globalThis");
+}, "self attribute is the global object");
+
+test(() => {
+  assert_equals(self, self.self, "self should be the same object as self.self");
+}, "self attribute is the object itself");
+
+test(() => {
+  assert_own_property(globalThis, "self", "self should be an own property");
+  assert_readonly(globalThis, "self", "self should be a read-only property");
+}, "self is a readonly attribute");
+
+test(() => {
+  // https://webidl.spec.whatwg.org/#define-the-attributes
+  const descr = Object.getOwnPropertyDescriptor(self, "self");
+  assert_equals(descr.value, undefined, "self should be an accessor property");
+  assert_true(descr.enumerable, "self should be enumerable");
+  assert_true(descr.configurable, "self should be configurable");
+}, "self property descriptor");
+
+test(() => {
+  const getter = Object.getOwnPropertyDescriptor(self, "self").get;
+  assert_equals(getter.name, "get self", "function should be named 'get self'");
+}, "self getter name");
+
+test(() => {
+  const getter = Object.getOwnPropertyDescriptor(self, "self").get;
+  assert_equals(getter.length, 0, "function should take 0 arguments");
+}, "self getter length");
+
+test(() => {
+  // https://webidl.spec.whatwg.org/#dfn-attribute-getter
+  const getter = Object.getOwnPropertyDescriptor(self, "self").get;
+
+  assert_throws_js(TypeError, () => getter.call({}),
+    "the self getter should fail a brand check if it's an object not implementing ShadowRealmGlobalScope");
+  assert_throws_js(TypeError, () => getter.call(42),
+    "the self getter should fail a brand check if a primitive");
+
+  assert_equals(getter.call(null), self,
+    "the self getter's this object should fall back to the realm's global object if null");
+  assert_equals(getter.call(undefined), self,
+    "the self getter's this object should fall back to the realm's global object if undefined");
+}, "self getter steps");
diff --git a/tests/wpt/tests/infrastructure/testdriver/actions/touchEvents.js b/tests/wpt/tests/infrastructure/testdriver/actions/touchEvents.js
index c1213b6693b..8424eedbe9f 100644
--- a/tests/wpt/tests/infrastructure/testdriver/actions/touchEvents.js
+++ b/tests/wpt/tests/infrastructure/testdriver/actions/touchEvents.js
@@ -1,6 +1,26 @@
 function eventEquals(e, expected) {
   for (const prop of Object.keys(expected)) {
-    assert_equals(e[prop], expected[prop], `Event ${e.type} pointerId ${e.pointerId} property ${prop}`);
+    switch (prop) {
+      case "screenX":
+      case "screenY":
+      case "clientX":
+      case "clientY":
+      case "offsetX":
+      case "offsetY":
+      case "pageX":
+      case "pageY":
+        assert_true(
+          e[prop] >= expected[prop] - 0.5 &&
+            e[prop] <= expected[prop] + 0.5,
+          `Event ${e.type} pointerId ${e.pointerId} property ${prop}, expected: ${
+            expected[prop]
+          } ± 0.5, but got: ${e[prop]}`
+        );
+        break;
+      default:
+        assert_equals(e[prop], expected[prop], `Event ${e.type} pointerId ${e.pointerId} property ${prop}`);
+        break;
+    }
   }
 }
 
diff --git a/tests/wpt/tests/interfaces/compute-pressure.idl b/tests/wpt/tests/interfaces/compute-pressure.idl
index 77537feb106..92bcc6e55e7 100644
--- a/tests/wpt/tests/interfaces/compute-pressure.idl
+++ b/tests/wpt/tests/interfaces/compute-pressure.idl
@@ -3,7 +3,7 @@
 // (https://github.com/w3c/webref)
 // Source: Compute Pressure Level 1 (https://w3c.github.io/compute-pressure/)
 
-enum PressureSource { "thermals", "cpu" };
+enum PressureSource { "cpu" };
 
 enum PressureState { "nominal", "fair", "serious", "critical" };
 
diff --git a/tests/wpt/tests/interfaces/fedcm.idl b/tests/wpt/tests/interfaces/fedcm.idl
index c308ee273b9..16b5b2faf10 100644
--- a/tests/wpt/tests/interfaces/fedcm.idl
+++ b/tests/wpt/tests/interfaces/fedcm.idl
@@ -53,7 +53,9 @@ dictionary IdentityProviderRequestOptions : IdentityProviderConfig {
 };
 
 dictionary IdentityProviderWellKnown {
-  required sequence provider_urls;
+  sequence provider_urls;
+  USVString accounts_endpoint;
+  USVString login_url;
 };
 
 dictionary IdentityProviderIcon {
diff --git a/tests/wpt/tests/interfaces/html.idl b/tests/wpt/tests/interfaces/html.idl
index aefa95dbd82..d4f8b9a7680 100644
--- a/tests/wpt/tests/interfaces/html.idl
+++ b/tests/wpt/tests/interfaces/html.idl
@@ -2520,6 +2520,11 @@ interface MessageChannel {
   readonly attribute MessagePort port2;
 };
 
+interface mixin MessageEventTarget {
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
 [Exposed=(Window,Worker,AudioWorklet), Transferable]
 interface MessagePort : EventTarget {
   undefined postMessage(any message, sequence transfer);
@@ -2528,11 +2533,11 @@ interface MessagePort : EventTarget {
   undefined close();
 
   // event handlers
-  attribute EventHandler onmessage;
-  attribute EventHandler onmessageerror;
   attribute EventHandler onclose;
 };
 
+MessagePort includes MessageEventTarget;
+
 dictionary StructuredSerializeOptions {
   sequence transfer = [];
 };
@@ -2571,11 +2576,10 @@ interface DedicatedWorkerGlobalScope : WorkerGlobalScope {
   undefined postMessage(any message, optional StructuredSerializeOptions options = {});
 
   undefined close();
-
-  attribute EventHandler onmessage;
-  attribute EventHandler onmessageerror;
 };
 
+DedicatedWorkerGlobalScope includes MessageEventTarget;
+
 [Global=(Worker,SharedWorker),Exposed=SharedWorker]
 interface SharedWorkerGlobalScope : WorkerGlobalScope {
   [Replaceable] readonly attribute DOMString name;
@@ -2597,8 +2601,6 @@ interface Worker : EventTarget {
 
   undefined postMessage(any message, sequence transfer);
   undefined postMessage(any message, optional StructuredSerializeOptions options = {});
-  attribute EventHandler onmessage;
-  attribute EventHandler onmessageerror;
 };
 
 dictionary WorkerOptions {
@@ -2610,6 +2612,7 @@ dictionary WorkerOptions {
 enum WorkerType { "classic", "module" };
 
 Worker includes AbstractWorker;
+Worker includes MessageEventTarget;
 
 [Exposed=Window]
 interface SharedWorker : EventTarget {
diff --git a/tests/wpt/tests/interfaces/long-animation-frames.idl b/tests/wpt/tests/interfaces/long-animation-frames.idl
index 79a42ca8f0a..de0d7c9a66a 100644
--- a/tests/wpt/tests/interfaces/long-animation-frames.idl
+++ b/tests/wpt/tests/interfaces/long-animation-frames.idl
@@ -19,6 +19,8 @@ interface PerformanceLongAnimationFrameTiming : PerformanceEntry {
     [Default] object toJSON();
 };
 
+PerformanceLongAnimationFrameTiming includes PaintTimingMixin;
+
 enum ScriptInvokerType {
     "classic-script",
     "module-script",
diff --git a/tests/wpt/tests/interfaces/webnn.idl b/tests/wpt/tests/interfaces/webnn.idl
index 112fa2bf832..9f17b6ceb71 100644
--- a/tests/wpt/tests/interfaces/webnn.idl
+++ b/tests/wpt/tests/interfaces/webnn.idl
@@ -33,6 +33,7 @@ interface ML {
 };
 
 typedef record MLNamedArrayBufferViews;
+typedef record MLNamedTensors;
 
 dictionary MLComputeResult {
   MLNamedArrayBufferViews inputs;
@@ -41,8 +42,17 @@ dictionary MLComputeResult {
 
 [SecureContext, Exposed=(Window, DedicatedWorker)]
 interface MLContext {
+  // ISSUE(791): compute() will soon be removed in favor of dispatch().
   Promise compute(
       MLGraph graph, MLNamedArrayBufferViews inputs, MLNamedArrayBufferViews outputs);
+  undefined dispatch(MLGraph graph, MLNamedTensors inputs, MLNamedTensors outputs);
+
+  Promise createTensor(MLTensorDescriptor descriptor);
+
+  Promise readTensor(MLTensor tensor);
+  Promise readTensor(MLTensor tensor, AllowSharedBufferSource outputData);
+
+  undefined writeTensor(MLTensor tensor, AllowSharedBufferSource inputData);
 
   MLOpSupportLimits opSupportLimits();
 };
@@ -105,6 +115,21 @@ dictionary MLOperatorOptions {
 
 typedef (bigint or unrestricted double) MLNumber;
 
+dictionary MLTensorDescriptor : MLOperandDescriptor {
+  boolean readable = false;
+  boolean writable = false;
+};
+
+[SecureContext, Exposed=(Window, DedicatedWorker)]
+interface MLTensor {
+  readonly attribute MLOperandDataType dataType;
+  readonly attribute FrozenArray shape;
+  readonly attribute boolean readable;
+  readonly attribute boolean writable;
+
+  undefined destroy();
+};
+
 typedef record MLNamedOperands;
 
 [SecureContext, Exposed=(Window, DedicatedWorker)]
diff --git a/tests/wpt/tests/largest-contentful-paint/animated/observe-cross-origin-animated-image.tentative.html b/tests/wpt/tests/largest-contentful-paint/animated/observe-cross-origin-animated-image.tentative.html
index 993883c607b..49207f9d690 100644
--- a/tests/wpt/tests/largest-contentful-paint/animated/observe-cross-origin-animated-image.tentative.html
+++ b/tests/wpt/tests/largest-contentful-paint/animated/observe-cross-origin-animated-image.tentative.html
@@ -23,7 +23,7 @@
       const entry = await load_and_observe(url);
       // anim-gr.png is 100 by 50.
       const size = 100 * 50;
-      checkImage(entry, url, 'image_id', size, beforeLoad, ["renderTimeIs0", "animated-zero"]);
+      checkImage(entry, url, 'image_id', size, beforeLoad, ["animated"]);
     }, "Same origin animated image is observable and has a first frame.");
   
 
diff --git a/tests/wpt/tests/largest-contentful-paint/resources/largest-contentful-paint-helpers.js b/tests/wpt/tests/largest-contentful-paint/resources/largest-contentful-paint-helpers.js
index d206beaef99..1333e9640ad 100644
--- a/tests/wpt/tests/largest-contentful-paint/resources/largest-contentful-paint-helpers.js
+++ b/tests/wpt/tests/largest-contentful-paint/resources/largest-contentful-paint-helpers.js
@@ -40,8 +40,6 @@ function checkImage(entry, expectedUrl, expectedID, expectedSize, timeLowerBound
   if (options.includes('skip')) {
     return;
   }
-  assert_between_inclusive(entry.loadTime, timeLowerBound, entry.renderTime,
-    'loadTime should occur between the lower bound and the renderTime');
   assert_greater_than_equal(performance.now(), entry.renderTime,
     'renderTime should occur before the entry is dispatched to the observer.');
   assert_approx_equals(entry.startTime, entry.renderTime, 0.001,
@@ -55,14 +53,14 @@ function checkImage(entry, expectedUrl, expectedID, expectedSize, timeLowerBound
   }
 
   if (options.includes('animated')) {
-    assert_greater_than(entry.loadTime, entry.firstAnimatedFrameTime,
-      'firstAnimatedFrameTime should be smaller than loadTime');
-    assert_greater_than(entry.renderTime, entry.firstAnimatedFrameTime,
-      'firstAnimatedFrameTime should be smaller than renderTime');
-    assert_less_than(entry.firstAnimatedFrameTime, image_delay,
-      'firstAnimatedFrameTime should be smaller than the delay applied to the second frame');
-    assert_greater_than(entry.firstAnimatedFrameTime, 0,
-      'firstAnimatedFrameTime should be larger than 0');
+    assert_less_than(entry.renderTime, image_delay,
+      'renderTime should be smaller than the delay applied to the second frame');
+    assert_greater_than(entry.renderTime, 0,
+      'renderTime should be larger than 0');
+  }
+  else {
+    assert_between_inclusive(entry.loadTime, timeLowerBound, entry.renderTime,
+      'loadTime should occur between the lower bound and the renderTime');
   }
 }
 
diff --git a/tests/wpt/tests/lint.ignore b/tests/wpt/tests/lint.ignore
index ee19f061a74..32c22fecfec 100644
--- a/tests/wpt/tests/lint.ignore
+++ b/tests/wpt/tests/lint.ignore
@@ -28,6 +28,7 @@ TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.mp3
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.m4a
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.mov
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.oga
+TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.ogg
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.ogv
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.webm
 TRAILING WHITESPACE, INDENT TABS, CR AT EOL: *.mp4
@@ -608,6 +609,9 @@ WEB-PLATFORM.TEST:web-bundle/resources/wbn/*.wbn
 WEB-PLATFORM.TEST:web-bundle/subresource-loading/*.html
 WEB-PLATFORM.TEST:web-bundle/subresource-loading/resources/*.js
 
+# The /.well-known/shared-stored/trusted-origins file uses hard-coded hosts
+WEB-PLATFORM.TEST:shared-storage/resources/trusted-origins.py
+
 # Tests that depend on resources in /gen/ in Chromium:
 # https://github.com/web-platform-tests/wpt/issues/16455
 # Please consult with ecosystem-infra@chromium.org before adding more.
diff --git a/tests/wpt/tests/long-animation-frame/tentative/loaf-basic.html b/tests/wpt/tests/long-animation-frame/tentative/loaf-basic.html
index c6d3f8e32a2..aebfac5391c 100644
--- a/tests/wpt/tests/long-animation-frame/tentative/loaf-basic.html
+++ b/tests/wpt/tests/long-animation-frame/tentative/loaf-basic.html
@@ -12,16 +12,16 @@
 
 
diff --git a/tests/wpt/tests/long-animation-frame/tentative/loaf-event-blocking-duration.html b/tests/wpt/tests/long-animation-frame/tentative/loaf-event-blocking-duration.html
index ed31244a1d6..34ea08a81e3 100644
--- a/tests/wpt/tests/long-animation-frame/tentative/loaf-event-blocking-duration.html
+++ b/tests/wpt/tests/long-animation-frame/tentative/loaf-event-blocking-duration.html
@@ -15,7 +15,7 @@
 
 
 
 
+
 
+
 
 
Long Animation Frame: script blocks

 

@@ -26,7 +32,7 @@ promise_test(async t => {
 test_self_script_block(t => {
     const script = document.createElement("script");
     script.type = "module";
-    script.innerHTML = `(${busy_wait.toString()})()`;
+    script.innerHTML = `window.generate_loaf_now()`;
     document.body.appendChild(script);
 }, location.href, "module-script");
 
@@ -53,8 +59,7 @@ test_self_script_block(t => {
 }, new URL("resources/busy.js?import", location.href).href, "module-script");
 
 const busy_wait_str = `  (function() {
-    const deadline = performance.now() + 365;
-    while (performance.now() < deadline) {}
+      generate_loaf_now();
   })()
 `;
 
diff --git a/tests/wpt/tests/long-animation-frame/tentative/loaf-script-nested-callback.html b/tests/wpt/tests/long-animation-frame/tentative/loaf-script-nested-callback.html
index 8d1304fc802..c6fe2c8e7bc 100644
--- a/tests/wpt/tests/long-animation-frame/tentative/loaf-script-nested-callback.html
+++ b/tests/wpt/tests/long-animation-frame/tentative/loaf-script-nested-callback.html
@@ -13,7 +13,7 @@
 

 
diff --git a/tests/wpt/tests/mediacapture-record/MediaRecorder-mimetype.html b/tests/wpt/tests/mediacapture-record/MediaRecorder-mimetype.html
index e54341ba77c..17eec0f6bf6 100644
--- a/tests/wpt/tests/mediacapture-record/MediaRecorder-mimetype.html
+++ b/tests/wpt/tests/mediacapture-record/MediaRecorder-mimetype.html
@@ -36,8 +36,8 @@ const VIDEO_CODECS_MIME_TYPES = [
   'video/webm; codecs="av1"',
   'video/mp4; codecs="avc1"',
   'video/mp4; codecs="vp9"',
-  'video/mp4; codecs="hvc1"',
-  'video/x-matroska; codecs="hvc1"',
+  'video/mp4; codecs="hvc1.1.6.L186.B0"',
+  'video/x-matroska; codecs="hvc1.1.6.L186.B0"',
 ];
 
 const AUDIO_VIDEO_MIME_TYPES = [
@@ -48,9 +48,9 @@ const AUDIO_VIDEO_MIME_TYPES = [
   'video/webm; codecs="av1, opus"',
   'video/mp4; codecs="avc1, mp4a.40.2"',
   'video/mp4; codecs="vp9, opus"',
-  'video/mp4; codecs="hvc1, mp4a.40.2"',
-  'video/mp4; codecs="hvc1, opus"',
-  'video/x-matroska; codecs="hvc1, opus"',
+  'video/mp4; codecs="hvc1.1.6.L186.B0, mp4a.40.2"',
+  'video/mp4; codecs="hvc1.1.6.L186.B0, opus"',
+  'video/x-matroska; codecs="hvc1.1.6.L186.B0, opus"',
 ];
 
 const AUDIO_MIME_TYPES = [
diff --git a/tests/wpt/tests/mediacapture-record/MediaRecorder-pause-resume.html b/tests/wpt/tests/mediacapture-record/MediaRecorder-pause-resume.html
index 12c1c6fcbf6..1797953a0a2 100644
--- a/tests/wpt/tests/mediacapture-record/MediaRecorder-pause-resume.html
+++ b/tests/wpt/tests/mediacapture-record/MediaRecorder-pause-resume.html
@@ -13,9 +13,9 @@
     
     
     
-    
-    
-    
+    
+    
+    
     
     
     
diff --git a/tests/wpt/tests/mediacapture-record/MediaRecorder-peerconnection.https.html b/tests/wpt/tests/mediacapture-record/MediaRecorder-peerconnection.https.html
index e63831ab4f9..f956a3d1e55 100644
--- a/tests/wpt/tests/mediacapture-record/MediaRecorder-peerconnection.https.html
+++ b/tests/wpt/tests/mediacapture-record/MediaRecorder-peerconnection.https.html
@@ -18,9 +18,9 @@
   
   
   
-  
-  
-  
+  
+  
+  
   
 
   
     
     
-    
-    
-    
+    
+    
+    
     
     
     
diff --git a/tests/wpt/tests/navigation-api/navigate-event/cross-origin-traversal-redirect.html b/tests/wpt/tests/navigation-api/navigate-event/cross-origin-traversal-redirect.html
index 24ccc0956ac..f7bebae5100 100644
--- a/tests/wpt/tests/navigation-api/navigate-event/cross-origin-traversal-redirect.html
+++ b/tests/wpt/tests/navigation-api/navigate-event/cross-origin-traversal-redirect.html
@@ -3,10 +3,11 @@
 
 
 
+
 
   
+  
 
 
 
   
 
 
diff --git a/tests/wpt/tests/performance-timeline/idlharness-shadowrealm.window.js b/tests/wpt/tests/performance-timeline/idlharness-shadowrealm.window.js
deleted file mode 100644
index 671c172d3e6..00000000000
--- a/tests/wpt/tests/performance-timeline/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["performance-timeline"], ["hr-time", "dom"]);
diff --git a/tests/wpt/tests/performance-timeline/idlharness.any.js b/tests/wpt/tests/performance-timeline/idlharness.any.js
index 32efebe98ff..fb4d6ffa56a 100644
--- a/tests/wpt/tests/performance-timeline/idlharness.any.js
+++ b/tests/wpt/tests/performance-timeline/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker
+// META: global=window,worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 
@@ -10,6 +10,10 @@ idl_test(
   ['performance-timeline'],
   ['hr-time', 'dom'],
   async idl_array => {
+    if (self.GLOBAL.isShadowRealm()) {
+      return;
+    }
+
     idl_array.add_objects({
       Performance: ['performance'],
       PerformanceObserver: ['observer'],
diff --git a/tests/wpt/tests/permissions-policy/resources/permissions-policy-payment-extension.html b/tests/wpt/tests/permissions-policy/resources/permissions-policy-payment-extension.html
index a4ac736293d..9d74c4684bb 100644
--- a/tests/wpt/tests/permissions-policy/resources/permissions-policy-payment-extension.html
+++ b/tests/wpt/tests/permissions-policy/resources/permissions-policy-payment-extension.html
@@ -15,7 +15,7 @@ let authenticatorArgs = {
 
 window.onload = async function() {
   test_driver.set_test_context(parent);
-  await window.test_driver.add_virtual_authenticator(authenticatorArgs);
+  const authenticator = await window.test_driver.add_virtual_authenticator(authenticatorArgs);
   let enabled = true;
   let name = `OK`;
   try {
@@ -56,6 +56,7 @@ window.onload = async function() {
     enabled = false;
     name = e.name;
   }
+  await window.test_driver.remove_virtual_authenticator(authenticator);
   parent.postMessage({ type: 'availability-result', enabled, name }, '*');
 }
 
diff --git a/tests/wpt/tests/pointerevents/pointerevent_fractional_coordinates_untrusted.html b/tests/wpt/tests/pointerevents/pointerevent_fractional_coordinates_untrusted.html
new file mode 100644
index 00000000000..1a14b0659c0
--- /dev/null
+++ b/tests/wpt/tests/pointerevents/pointerevent_fractional_coordinates_untrusted.html
@@ -0,0 +1,192 @@
+
+
+
+
+
+Fractional coordinates of untrusted events
+
+
+
+
+
+
diff --git a/tests/wpt/tests/pointerevents/pointerevent_pointercapture_in_frame.html b/tests/wpt/tests/pointerevents/pointerevent_pointercapture_in_frame.html
index 14be00968fa..9c26c4d5a38 100644
--- a/tests/wpt/tests/pointerevents/pointerevent_pointercapture_in_frame.html
+++ b/tests/wpt/tests/pointerevents/pointerevent_pointercapture_in_frame.html
@@ -59,9 +59,8 @@ var eventTimeout = ()=>(()=>new Promise((resolve, reject)=>{
 function handleEvent(event) {
   if (event.type == 'pointerdown') {
     start_logging = true;
-    if (document.setPointerCaptureOnPointerDown) {
-      event.target.setPointerCapture(event.pointerId);
-    }
+    const target = document.captureTargetOverride || event.target;
+    target.setPointerCapture(event.pointerId);
   }
 
   // Only log the first pointermove event after pointerdown. We need to account
@@ -84,7 +83,7 @@ document.testEventList.forEach(function(eventName) {
 });
 
 function Reset() {
-  document.setPointerCaptureOnPointerDown = false;
+  document.captureTargetOverride = null;
   document.releasePointerCaptureOnFirstMove = false;
   receivedEventList = [];
   start_logging = false;
@@ -92,10 +91,10 @@ function Reset() {
 }
 
 function run() {
+    Reset();
     var pointerType = location.search.substring(1);
     promise_test (async(t) => {
-        Reset();
-        document.setPointerCaptureOnPointerDown = true;
+        t.add_cleanup(Reset);
         expectedEventList = ["innerFrame received pointerdown",
                              "innerFrame received gotpointercapture",
                              "innerFrame received pointermove",
@@ -124,12 +123,42 @@ function run() {
         // Wait for lostpointercapture to fire.
         await watcher_promise;
         assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
-        document.setPointerCaptureOnPointerDown = false;
     }, "Test " + pointerType + "pointer capture in same-origin frame: Pointer down at inner frame and set pointer capture.");
 
     promise_test (async(t) => {
-        Reset();
-        document.setPointerCaptureOnPointerDown = true;
+        t.add_cleanup(Reset);
+        document.captureTargetOverride = document.getElementById('outerFrame');
+        expectedEventList = ["innerFrame received pointerdown",
+                             "innerFrame received pointermove",
+                             "innerFrameDocument received pointerup"];
+        var pointerId = pointerType + "Pointer1";
+
+        var innerFrame = document.getElementById('innerFrameElement');
+        var innerFrameDocument =  innerFrame.contentDocument;
+        // We are interested in tracking events only after pointerdown
+        var pointerdown_happened = new Promise((resolve, reject)=>{innerFrameDocument.addEventListener("pointerdown",resolve);});
+
+        var watcher_promise = pointerdown_happened.then(()=>{
+            var watch_inner_frame = new EventWatcher(t, innerFrameDocument, ["pointerup"], eventTimeout());
+            return watch_inner_frame.wait_for(["pointerup"]);
+        });
+
+        await new test_driver.Actions()
+                             .addPointer(pointerId, pointerType)
+                             .pointerMove(200, 200)
+                             .pointerDown()
+                             .pointerMove(150, 150)
+                             .pointerMove(50, 50)
+                             .pointerUp()
+                             .pointerMove(75, 75)
+                             .send();
+        // Wait for pointerup to fire.
+        await watcher_promise;
+        assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
+    }, "Test " + pointerType + "pointer capture in same-origin frame: Pointer down at inner frame and set pointer capture to outer frame should not capture.");
+
+    promise_test (async(t) => {
+        t.add_cleanup(Reset);
         expectedEventList = ["outerFrame received pointerdown",
                              "outerFrame received gotpointercapture",
                              "outerFrame received pointermove",
@@ -158,13 +187,38 @@ function run() {
         // Wait for lostpointercapture to fire.
         await watcher_promise;
         assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
-        document.setPointerCaptureOnPointerDown = false;
     }, "Test " + pointerType + "pointer capture in same-origin frame: Pointer down at outer frame body and set pointer capture.");
 
+    promise_test (async(t) => {
+        t.add_cleanup(Reset);
+        document.captureTargetOverride = document.getElementById('innerFrameElement');
+        expectedEventList = ["outerFrame received pointerdown",
+                             "outerFrame received pointermove",
+                             "outerFrame received pointerup"];
+        var pointerId = pointerType + "Pointer1";
+
+        // We are interested in tracking events only after pointerdown
+        var pointerdown_happened = new Promise((resolve, reject)=>{document.getElementById('outerFrame').addEventListener("pointerdown",resolve);});
+        var watcher_promise = pointerdown_happened.then(()=>{
+            var watch_outer_frame = new EventWatcher(t, document.getElementById('outerFrame'), ["pointerup"], eventTimeout());
+            return watch_outer_frame.wait_for("pointerup");
+        });
+
+        await new test_driver.Actions()
+                             .addPointer(pointerId, pointerType)
+                             .pointerMove(25, 25)
+                             .pointerDown()
+                             .pointerMove(200, 200)
+                             .pointerUp()
+                             .pointerMove(25, 25)
+                             .send();
+        // Wait for lostpointercapture to fire.
+        await watcher_promise;
+        assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
+    }, "Test " + pointerType + "pointer capture in same-origin frame: Pointer down at outer frame body and set pointer capture in inner frame should not capture.");
 
     promise_test (async(t) => {
-        Reset();
-        document.setPointerCaptureOnPointerDown = true;
+        t.add_cleanup(Reset);
         document.releasePointerCaptureOnFirstMove = true;
         // Mouse event has the frame capture, so after pointer capture released, events are
         // dispatched to innerFrameDocument.
@@ -202,13 +256,11 @@ function run() {
         await watcher_promise;
         assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
         document.releasePointerCaptureOnFirstMove = false;
-        document.setPointerCaptureOnPointerDown = false;
     }, "Test " + pointerType + "pointer capture in same-origin frame: Pointerdown with set capture at inner frame, then release on next pointermove.");
 
 
     promise_test (async(t) => {
-        Reset();
-        document.setPointerCaptureOnPointerDown = true;
+        t.add_cleanup(Reset);
         document.releasePointerCaptureOnFirstMove = true;
         expectedEventList = ["outerFrame received pointerdown",
                              "outerFrame received gotpointercapture",
@@ -244,7 +296,6 @@ function run() {
         await watcher_promise;
         assert_array_equals(receivedEventList, expectedEventList, "Received events: " + receivedEventList);
         document.releasePointerCaptureOnFirstMove = false;
-        document.setPointerCaptureOnPointerDown = false;
     }, "Test " + pointerType + "pointer capture in same-origin frame: Pointerdown with set capture at outer frame, then release on next pointermove.");
 }
 
diff --git a/tests/wpt/tests/preload/prefetch-document.html b/tests/wpt/tests/preload/prefetch-document.html
index 9f9810be46c..67f86d99e30 100644
--- a/tests/wpt/tests/preload/prefetch-document.html
+++ b/tests/wpt/tests/preload/prefetch-document.html
@@ -13,6 +13,7 @@ const {ORIGIN, REMOTE_ORIGIN, HTTP_NOTSAMESITE_ORIGIN} = get_host_info();
 
 async function prefetch_document_and_count_fetches(options, t) {
     const {href, uid} = await prefetch({
+        "cache-control": "public, max-age=3600",
         file: "prefetch-exec.html",
         type: "text/html",
         corssOrigin: "anonymous",
diff --git a/tests/wpt/tests/resources/idlharness-shadowrealm.js b/tests/wpt/tests/resources/idlharness-shadowrealm.js
deleted file mode 100644
index b959ca00e83..00000000000
--- a/tests/wpt/tests/resources/idlharness-shadowrealm.js
+++ /dev/null
@@ -1,52 +0,0 @@
-/* global shadowRealmEvalAsync */
-
-// requires /resources/idlharness-shadowrealm-outer.js
-
-// TODO: it would be nice to support `idl_array.add_objects`
-function fetch_text(url) {
-    return fetch(url).then(function (r) {
-        if (!r.ok) {
-            throw new Error("Error fetching " + url + ".");
-        }
-        return r.text();
-    });
-}
-
-/**
- * idl_test_shadowrealm is a promise_test wrapper that handles the fetching of the IDL, and
- * running the code in a `ShadowRealm`, avoiding repetitive boilerplate.
- *
- * @see https://github.com/tc39/proposal-shadowrealm
- * @param {String[]} srcs Spec name(s) for source idl files (fetched from
- *      /interfaces/{name}.idl).
- * @param {String[]} deps Spec name(s) for dependency idl files (fetched
- *      from /interfaces/{name}.idl). Order is important - dependencies from
- *      each source will only be included if they're already know to be a
- *      dependency (i.e. have already been seen).
- */
-function idl_test_shadowrealm(srcs, deps) {
-    promise_setup(async t => {
-        const realm = new ShadowRealm();
-        const specs = await Promise.all(srcs.concat(deps).map(spec => {
-            return fetch_text("/interfaces/" + spec + ".idl");
-        }));
-        const idls = JSON.stringify(specs);
-        await shadowRealmEvalAsync(realm, `
-            await import("/resources/testharness-shadowrealm-inner.js");
-            await import("/resources/testharness.js");
-            await import("/resources/WebIDLParser.js");
-            await import("/resources/idlharness.js");
-            const idls = ${idls};
-            const idl_array = new IdlArray();
-            for (let i = 0; i < ${srcs.length}; i++) {
-                idl_array.add_idls(idls[i]);
-            }
-            for (let i = ${srcs.length}; i < ${srcs.length + deps.length}; i++) {
-                idl_array.add_dependency_idls(idls[i]);
-            }
-            idl_array.test();
-        `);
-        await fetch_tests_from_shadow_realm(realm);
-    });
-}
-// vim: set expandtab shiftwidth=4 tabstop=4 foldmarker=@{,@} foldmethod=marker:
diff --git a/tests/wpt/tests/resources/idlharness.js b/tests/wpt/tests/resources/idlharness.js
index 4cf19234af2..d52ba9fd3c4 100644
--- a/tests/wpt/tests/resources/idlharness.js
+++ b/tests/wpt/tests/resources/idlharness.js
@@ -734,7 +734,7 @@ IdlArray.prototype.test = function()
 
     Object.getOwnPropertyNames(this.members).forEach(function(memberName) {
         var member = this.members[memberName];
-        if (!(member instanceof IdlInterface)) {
+        if (!(member instanceof IdlInterface || member instanceof IdlNamespace)) {
             return;
         }
 
@@ -1421,7 +1421,7 @@ IdlInterface.prototype.test = function()
         if (!this.untested)
         {
             subsetTestByKey(this.name, test, function() {
-                assert_false(this.name in self);
+                assert_false(this.name in self, this.name + " interface should not exist");
             }.bind(this), this.name + " interface: existence and properties of interface object");
         }
         return;
@@ -3451,6 +3451,17 @@ IdlNamespace.prototype.test_self = function ()
 
 IdlNamespace.prototype.test = function ()
 {
+    // If the namespace object is not exposed, only test that. Members can't be
+    // tested either
+    if (!this.exposed) {
+        if (!this.untested) {
+            subsetTestByKey(this.name, test, function() {
+                assert_false(this.name in self, this.name + " namespace should not exist");
+            }.bind(this), this.name + " namespace: existence and properties of namespace object");
+        }
+        return;
+    }
+
     if (!this.untested) {
         this.test_self();
     }
@@ -3498,7 +3509,7 @@ function idl_test(srcs, deps, idl_setup_func) {
             "require-exposed"
         ];
         return Promise.all(
-            srcs.concat(deps).map(fetch_spec))
+            srcs.concat(deps).map(globalThis.fetch_spec))
             .then(function(results) {
                 const astArray = results.map(result =>
                     WebIDL2.parse(result.idl, { sourceName: result.spec })
@@ -3539,9 +3550,11 @@ function idl_test(srcs, deps, idl_setup_func) {
             });
     }, 'idl_test setup');
 }
+globalThis.idl_test = idl_test;
 
 /**
  * fetch_spec is a shorthand for a Promise that fetches the spec's content.
+ * Note: ShadowRealm-specific implementation in testharness-shadowrealm-inner.js
  */
 function fetch_spec(spec) {
     var url = '/interfaces/' + spec + '.idl';
diff --git a/tests/wpt/tests/resources/test/tests/functional/idlharness/IdlNamespace/test_operation.html b/tests/wpt/tests/resources/test/tests/functional/idlharness/IdlNamespace/test_operation.html
index da70c8fa31c..d7fe20a5a57 100644
--- a/tests/wpt/tests/resources/test/tests/functional/idlharness/IdlNamespace/test_operation.html
+++ b/tests/wpt/tests/resources/test/tests/functional/idlharness/IdlNamespace/test_operation.html
@@ -67,7 +67,12 @@ namespace bar {
 namespace baz {
   DOMString LongStory(any hero, DOMString... details);
   DOMString ShortStory(DOMString... details);
-};`);
+};
+[Exposed=Worker]
+namespace Absent {
+  undefined Lies();
+};
+`);
 idlArray.test();
 
 
+
+
+

+
+
\ No newline at end of file
diff --git a/tests/wpt/tests/selection/fire-selectionchange-event-on-textcontrol-element-on-pressing-backspace.html b/tests/wpt/tests/selection/fire-selectionchange-event-on-textcontrol-element-on-pressing-backspace.html
new file mode 100644
index 00000000000..47650a43e38
--- /dev/null
+++ b/tests/wpt/tests/selection/fire-selectionchange-event-on-textcontrol-element-on-pressing-backspace.html
@@ -0,0 +1,47 @@
+
+
+Test selectionchange event fired on Text Control element
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/tests/wpt/tests/shared-storage/cross-origin-create-worklet-data-origin-option.tentative.https.sub.html b/tests/wpt/tests/shared-storage/cross-origin-create-worklet-data-origin-option.tentative.https.sub.html
deleted file mode 100644
index 8242f3d1083..00000000000
--- a/tests/wpt/tests/shared-storage/cross-origin-create-worklet-data-origin-option.tentative.https.sub.html
+++ /dev/null
@@ -1,35 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html b/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html
new file mode 100644
index 00000000000..a76c1ff2336
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html
@@ -0,0 +1,64 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-data-origin.tentative.https.sub.html b/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-data-origin.tentative.https.sub.html
index bc78433d8e9..3c4e91b52e3 100644
--- a/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-data-origin.tentative.https.sub.html
+++ b/tests/wpt/tests/shared-storage/cross-origin-worklet-select-url-and-verify-data-origin.tentative.https.sub.html
@@ -3,64 +3,34 @@
 
 
 
+
 
 
 
 
 
diff --git a/tests/wpt/tests/shared-storage/resources/simple-module.js b/tests/wpt/tests/shared-storage/resources/simple-module.js
index e639f470008..4bd7085256e 100644
--- a/tests/wpt/tests/shared-storage/resources/simple-module.js
+++ b/tests/wpt/tests/shared-storage/resources/simple-module.js
@@ -122,6 +122,53 @@ class GetWaitIncrementWithinLockOperation {
   }
 }
 
+class GetWaitSetWithinLockOperation {
+  async run(urls, data) {
+    if (data && data.hasOwnProperty('key') && data.hasOwnProperty('lock_name')
+        && data.hasOwnProperty('append_letter')) {
+      await navigator.locks.request(data['lock_name'], async (lock) => {
+        let value_read = await sharedStorage.get(data['key']);
+
+        if (value_read === undefined) {
+          value_read = "";
+        }
+
+        await busyWaitMs(500);
+
+        await sharedStorage.set(data['key'], value_read + data['append_letter']);
+      });
+
+      return 1;
+    }
+    return -1;
+  }
+}
+
+class AppendWithLockOptionOperation {
+  async run(urls, data) {
+    if (data && data.hasOwnProperty('key') && data.hasOwnProperty('lock_name')
+        && data.hasOwnProperty('append_letter')) {
+      sharedStorage.append(data['key'], data['append_letter'], {withLock: data['lock_name']});
+      return 1;
+    }
+    return -1;
+  }
+}
+
+class BatchUpdateWithTwoAppendMethodsWithBatchLockOptionOperation {
+  async run(urls, data) {
+    if (data && data.hasOwnProperty('key') && data.hasOwnProperty('lock_name')
+        && data.hasOwnProperty('append_letter')) {
+      sharedStorage.batchUpdate([
+          new SharedStorageAppendMethod(data['key'], data['append_letter']),
+          new SharedStorageAppendMethod(data['key'], data['append_letter'])
+        ], {withLock: data['lock_name']});
+      return 1;
+    }
+    return -1;
+  }
+}
+
 register('test-url-selection-operation', TestURLSelectionOperation);
 register('test-url-selection-operation-2', TestURLSelectionOperationTwo);
 register('test-slow-url-selection-operation', TestSlowURLSelectionOperation);
@@ -131,3 +178,6 @@ register('verify-key-value', VerifyKeyValue);
 register('verify-key-not-found', VerifyKeyNotFound);
 register('verify-interest-groups', VerifyInterestGroups);
 register('get-wait-increment-within-lock', GetWaitIncrementWithinLockOperation);
+register('get-wait-set-within-lock', GetWaitSetWithinLockOperation);
+register('append-with-lock-option', AppendWithLockOptionOperation);
+register('batch-update-with-two-append-methods-with-batch-lock-option', BatchUpdateWithTwoAppendMethodsWithBatchLockOptionOperation);
diff --git a/tests/wpt/tests/shared-storage/resources/trusted-origins.py b/tests/wpt/tests/shared-storage/resources/trusted-origins.py
index c9e0a776a67..c57778a0403 100644
--- a/tests/wpt/tests/shared-storage/resources/trusted-origins.py
+++ b/tests/wpt/tests/shared-storage/resources/trusted-origins.py
@@ -1,7 +1,64 @@
 import json
 
+SUBDOMAIN_TUPLE_TO_ALLOWED_ORIGINS_MAP = {
+    ("", "web-platform"): [],
+    ("www", "web-platform"): [
+        {
+            "scriptOrigin": "https://web-platform.test",
+            "contextOrigin": ["https://web-platform.test"],
+         },
+        {
+            "scriptOrigin": "https://www.web-platform.test",
+            "contextOrigin": "*",
+         },
+    ],
+    ("www1", "web-platform"): [
+        {
+            "scriptOrigin": [
+                "https://google.com",
+                "https://web-platform.test",
+            ],
+            "contextOrigin": "https://web-platform.test",
+         },
+        {
+            "scriptOrigin": "https://www.web-platform.test",
+            "contextOrigin": ["*"],
+         },
+    ],
+    ("www2", "web-platform"): [],
+    ("", "not-web-platform"): [],
+    ("www", "not-web-platform"): [],
+    ("www1", "not-web-platform"): [],
+    ("www2", "not-web-platform"): [],
+}
+
+def get_host(request):
+    return request.url_parts.netloc.split(":")[0]
+
+def get_port(request):
+    if len(request.url_parts.netloc.split(":")) > 1:
+        return request.url_parts.netloc.split(":")[1]
+    return 0
+
+def get_subdomain_tuple(request):
+    host = get_host(request)
+    host_list = host.split(".")
+    if len(host_list) == 0 or len(host_list) > 3:
+        raise ValueError("Invalid host " + host)
+    if len(host_list) == 1:
+        return ("", host_list[0])
+    return (host_list[0], host_list[1])
+
+def get_allowed_origins(request):
+    subdomain_tuple = get_subdomain_tuple(request)
+    origin_list = SUBDOMAIN_TUPLE_TO_ALLOWED_ORIGINS_MAP[subdomain_tuple]
+    origins_string = json.dumps(origin_list)
+    test_with_port = ".test:" + str(get_port(request))
+    origins_with_ports = origins_string.replace(".test", test_with_port)
+    return origins_with_ports
+
 def get_json(request, response):
     response.status = (200, b"OK")
     response.headers.set(b"Content-Type", b"application/json")
     response.headers.set(b"Access-Control-Allow-Origin", b"*")
-    response.content = json.dumps([])
+    response.content = get_allowed_origins(request)
diff --git a/tests/wpt/tests/shared-storage/resources/util.sub.js b/tests/wpt/tests/shared-storage/resources/util.sub.js
index a5511a96800..8407d0d2632 100644
--- a/tests/wpt/tests/shared-storage/resources/util.sub.js
+++ b/tests/wpt/tests/shared-storage/resources/util.sub.js
@@ -118,22 +118,39 @@ async function loadNestedSharedStorageFrameInNewFrame(data) {
   return {frame: frame, nestedFrame: nestedFrame, nestedFrameUrl: nestedSrc};
 }
 
-async function testCreateWorkletWithDataOption(
-    test, data_origin, key, value, is_same_origin_script, expect_success) {
+async function createWorkletAndVerifyDataOrigin(
+    t, data_origin, script_origin, expect_success, error_type) {
+  if (error_type) {
+    assert_false(expect_success);
+  }
+  const key = 'key0';
+  const value = 'value0';
   const sameOrigin = location.origin;
-  const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
   const sameOriginScriptUrl = `/shared-storage/resources/simple-module.js`;
-  const scriptOrigin = is_same_origin_script ? sameOrigin : crossOrigin;
-  const scriptUrl = is_same_origin_script ? sameOriginScriptUrl :
-                                            crossOrigin + sameOriginScriptUrl;
-  const dataOrigin =
-      (data_origin === 'script-origin') ? scriptOrigin : sameOrigin;
+  const scriptUrl = (script_origin === location.origin) ?
+      sameOriginScriptUrl :
+      script_origin + sameOriginScriptUrl;
+  let dataOrigin = sameOrigin;
+  if (data_origin === 'script-origin') {
+    dataOrigin = script_origin;
+  } else if (data_origin !== '' && data_origin !== 'context-origin') {
+    try {
+      dataOrigin = new URL(data_origin).origin;
+    } catch (e) {
+      if (e.message !== 'Failed to construct \'URL\': Invalid URL') {
+        throw e;
+      }
+      assert_false(expect_success);
+    }
+  }
+  const options = (data_origin === '') ?
+      {credentials: 'omit'} :
+      {credentials: 'omit', dataOrigin: data_origin};
   let success = false;
   let error = null;
 
   try {
-    const worklet = await sharedStorage.createWorklet(
-        scriptUrl, {credentials: 'omit', dataOrigin: data_origin});
+    const worklet = await sharedStorage.createWorklet(scriptUrl, options);
 
     const ancestor_key = token();
     let url0 =
@@ -156,12 +173,12 @@ async function testCreateWorkletWithDataOption(
     success = true;
   } catch (e) {
     error = e;
-    assert_equals(e.name, 'TypeError');
+    assert_equals(e.name, error_type, e.message);
   } finally {
     assert_equals(
         expect_success, success,
         error ? 'expected success but error thrown: ' + error.toString() :
                 'no error caught even though one was expected');
-    test.done();
+    t.done();
   }
 }
diff --git a/tests/wpt/tests/shared-storage/same-origin-create-worklet-data-origin-option.tentative.https.sub.html b/tests/wpt/tests/shared-storage/same-origin-create-worklet-data-origin-option.tentative.https.sub.html
deleted file mode 100644
index c84246f65b1..00000000000
--- a/tests/wpt/tests/shared-storage/same-origin-create-worklet-data-origin-option.tentative.https.sub.html
+++ /dev/null
@@ -1,35 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/wpt/tests/shared-storage/same-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html b/tests/wpt/tests/shared-storage/same-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html
new file mode 100644
index 00000000000..d507ec2fc09
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/same-origin-worklet-select-url-and-verify-custom-data-origin.tentative.https.sub.html
@@ -0,0 +1,64 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/setters.tentative.https.sub.html b/tests/wpt/tests/shared-storage/setters.tentative.https.sub.html
index 891f8a7acb5..c5380f8dd85 100644
--- a/tests/wpt/tests/shared-storage/setters.tentative.https.sub.html
+++ b/tests/wpt/tests/shared-storage/setters.tentative.https.sub.html
@@ -48,5 +48,78 @@ promise_test(() => {
   return sharedStorage.delete("a");
 }, 'sharedStorage.delete');
 
+test(() => {
+  try {
+    let a = new SharedStorageSetMethod('a');
+  } catch (e) {
+    assert_equals(e.name, 'TypeError');
+    return;
+  }
+  assert_unreached("did not throw");
+}, 'new SharedStorageSetMethod with 1 argument');
+
+test(() => {
+  let a = new SharedStorageSetMethod('a', 'b');
+}, 'new SharedStorageSetMethod with 2 arguments');
+
+test(() => {
+  try {
+    let a = new SharedStorageAppendMethod('a');
+  } catch (e) {
+    assert_equals(e.name, 'TypeError');
+    return;
+  }
+  assert_unreached("did not throw");
+}, 'new SharedStorageAppendMethod with 1 argument');
+
+test(() => {
+  let a = new SharedStorageAppendMethod('a', 'b');
+}, 'new SharedStorageAppendMethod with 2 arguments');
+
+test(() => {
+  try {
+    let a = new SharedStorageDeleteMethod();
+  } catch (e) {
+    assert_equals(e.name, 'TypeError');
+    return;
+  }
+  assert_unreached("did not throw");
+}, 'new SharedStorageDeleteMethod with no arguments');
+
+test(() => {
+  let a = new SharedStorageDeleteMethod('a');
+}, 'new SharedStorageDeleteMethod with 1 argument');
+
+test(() => {
+  try {
+    let a = SharedStorageClearMethod();
+  } catch (e) {
+    assert_equals(e.name, 'TypeError');
+    return;
+  }
+  assert_unreached("did not throw");
+}, 'call SharedStorageClearMethod() as a function');
+
+test(() => {
+  let a = new SharedStorageClearMethod();
+}, 'new SharedStorageClearMethod with no arguments');
+
+promise_test(() => {
+  return sharedStorage.batchUpdate([
+    new SharedStorageSetMethod("key0", "value0", {withLock: "lock1"}),
+    new SharedStorageAppendMethod("key1", "value1"),
+    new SharedStorageDeleteMethod("key2"),
+    new SharedStorageClearMethod({withLock: "lock2"})
+  ], {withLock: "lock3"});
+}, 'sharedStorage.batchUpdate');
+
+promise_test(async t => {
+  return promise_rejects_js(t, TypeError, sharedStorage.batchUpdate());
+}, 'sharedStorage.batchUpdate without \'methods\' argument');
+
+promise_test(async t => {
+  return promise_rejects_js(t, TypeError, sharedStorage.batchUpdate(["123"]));
+}, 'sharedStorage.batchUpdate with invalid \'methods\' argument');
+
 
 
diff --git a/tests/wpt/tests/shared-storage/web-locks-header-modifier-method.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks-header-modifier-method.tentative.https.sub.html
new file mode 100644
index 00000000000..05ec7bf82bd
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-header-modifier-method.tentative.https.sub.html
@@ -0,0 +1,75 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/web-locks-pa-worklet-modifier-method.tentative.https.window.js b/tests/wpt/tests/shared-storage/web-locks-pa-worklet-modifier-method.tentative.https.window.js
new file mode 100644
index 00000000000..e9112483e2c
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-pa-worklet-modifier-method.tentative.https.window.js
@@ -0,0 +1,94 @@
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+// META: script=/common/utils.js
+// META: script=/fledge/tentative/resources/fledge-util.sub.js
+// META: script=/common/subset-tests.js
+// META: script=/shared-storage/resources/util.js
+// META: script=/fenced-frame/resources/utils.js
+// META: timeout=long
+
+"use strict;"
+
+subsetTest(promise_test, async test => {
+  let worklet = await sharedStorage.createWorklet('resources/simple-module.js');
+
+  const ancestor_key = token();
+  let url0 = generateURL("/shared-storage/resources/frame0.html",
+                         [ancestor_key]);
+  let url1 = generateURL("/shared-storage/resources/frame1.html",
+                         [ancestor_key]);
+
+  // Override the default resource path, as we are not running within the Fledge
+  // repository.
+  RESOURCE_PATH = '/fledge/tentative/resources/';
+
+  const pa_uuid = generateUuid(test);
+
+  let biddingLogicURL = createBiddingScriptURL(
+    {
+      generateBid:
+        `
+          sharedStorage.append('key', 'a', {withLock: 'lock1'});
+
+          return {};
+        `
+    });
+
+  let decisionLogicURL = createDecisionScriptURL(pa_uuid);
+
+  // Invoke `selectURL()` to perform the following steps:
+  // 1. Acquires the lock.
+  // 2. Reads the current value at the given key.
+  // 3. Waits for 500ms.
+  // 4. Sets the shared storage value to the read value appended with the given letter.
+  // 5. Releases the lock.
+  //
+  // After 100ms, run a Protected Audience auction which triggers `append()`
+  // with the same lock and the same letter.
+  //
+  // Expected behavior: After both of them finish, the value at the given key
+  // should contain the letter repeated twice.
+  //
+  // This demonstrates that the `withLock` option is effective, preventing the
+  // `append()` method interfering with the "get and set" operation. If the lock
+  // were not used, the final value would likely be a single letter.
+  //
+  // Note: This test remains valid even if the `append()` happens outside
+  // the critical section protected by the lock within the worklet. The test
+  // effectively demonstrates mutual exclusion as long as there's a reasonable
+  // chance for `append()` to occur while the worklet is still running.
+  let select_url_result = await worklet.selectURL(
+      "get-wait-set-within-lock",
+      [{url: url0}, {url: url1}],
+      {data: {'key': 'key',
+              'lock_name': 'lock1',
+              'append_letter': 'a'},
+      resolveToConfig: true});
+
+  // Busy wait for 100ms.
+  const startWaitTime = Date.now();
+  while (Date.now() - startWaitTime < 100) {}
+
+  // Run a Protected Audience auction which triggers `append()`` with the same
+  // lock and the same letter.
+  await joinGroupAndRunBasicFledgeTestExpectingNoWinner(
+    test,
+    {
+      uuid: pa_uuid,
+      interestGroupOverrides: {
+        name: pa_uuid,
+        biddingLogicURL: biddingLogicURL,
+      },
+      auctionConfigOverrides: {
+        decisionLogicURL: decisionLogicURL
+      }
+    });
+
+  attachFencedFrame(select_url_result, 'opaque-ads');
+  const result = await nextValueFromServer(ancestor_key);
+  assert_equals(result, "frame1_loaded");
+
+  await verifyKeyValueForOrigin('key', 'aa', location.origin);
+
+  await deleteKeyForOrigin('key', location.origin);
+}, 'Test for withLock option in a Protected Audience Worklet context');
diff --git a/tests/wpt/tests/shared-storage/web-locks-window-batch-update.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks-window-batch-update.tentative.https.sub.html
new file mode 100644
index 00000000000..cc02f119ecb
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-window-batch-update.tentative.https.sub.html
@@ -0,0 +1,74 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/web-locks-window-modifier-method.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks-window-modifier-method.tentative.https.sub.html
new file mode 100644
index 00000000000..fb83a2eb532
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-window-modifier-method.tentative.https.sub.html
@@ -0,0 +1,66 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/web-locks-worklet-batch-update.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks-worklet-batch-update.tentative.https.sub.html
new file mode 100644
index 00000000000..50a130a04b2
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-worklet-batch-update.tentative.https.sub.html
@@ -0,0 +1,85 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/web-locks-worklet-modifier-method.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks-worklet-modifier-method.tentative.https.sub.html
new file mode 100644
index 00000000000..05bd9613605
--- /dev/null
+++ b/tests/wpt/tests/shared-storage/web-locks-worklet-modifier-method.tentative.https.sub.html
@@ -0,0 +1,75 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/shared-storage/web-locks.tentative.https.sub.html b/tests/wpt/tests/shared-storage/web-locks.tentative.https.sub.html
index 49a039368a3..b9dc5754ced 100644
--- a/tests/wpt/tests/shared-storage/web-locks.tentative.https.sub.html
+++ b/tests/wpt/tests/shared-storage/web-locks.tentative.https.sub.html
@@ -56,6 +56,8 @@ promise_test(async t => {
   assert_equals(result2, "frame1_loaded");
 
   await verifyKeyValueForOrigin('key', '2', location.origin);
+
+  await deleteKeyForOrigin('key', location.origin);
 }, 'Basic test for Web Locks API in the shared storage worklet');
 
 
diff --git a/tests/wpt/tests/speculation-rules/prefetch/no-http-cache-interference.https.html b/tests/wpt/tests/speculation-rules/prefetch/no-http-cache-interference.https.html
new file mode 100644
index 00000000000..e390edca785
--- /dev/null
+++ b/tests/wpt/tests/speculation-rules/prefetch/no-http-cache-interference.https.html
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/speculation-rules/prefetch/resources/conditional-status.py b/tests/wpt/tests/speculation-rules/prefetch/resources/conditional-status.py
new file mode 100644
index 00000000000..a76e987af99
--- /dev/null
+++ b/tests/wpt/tests/speculation-rules/prefetch/resources/conditional-status.py
@@ -0,0 +1,19 @@
+import json
+import os.path
+from wptserve.pipes import template
+
+def main(request, response):
+  response.headers.set(b"Content-Type", b"text/html")
+
+  prefetch = request.headers.get("Sec-Purpose", b"").decode("utf-8").startswith("prefetch")
+
+  response.content = template(
+    request,
+    open(os.path.join(os.path.dirname(__file__), "executor.sub.html"), "rb").read())
+
+  if prefetch:
+    response.status = 503
+    response.content += b"503"
+  else:
+    response.status = 200
+    response.content += b"200"
diff --git a/tests/wpt/tests/speculation-rules/prerender/clients-matchall.https.html b/tests/wpt/tests/speculation-rules/prerender/clients-matchall.https.html
index 31fcc90391d..b86a18161ae 100644
--- a/tests/wpt/tests/speculation-rules/prerender/clients-matchall.https.html
+++ b/tests/wpt/tests/speculation-rules/prerender/clients-matchall.https.html
@@ -42,10 +42,11 @@ promise_test(async t => {
     navigator.serviceWorker.onmessage = resolve;
     get_newest_worker(registration).postMessage('invoke clients.matchAll()');
   });
+  const clients = message.data;
 
-  assert_array_equals(
-    message.data,
-    [ window.location.href, new URL(pageUrl, location).toString() ]);
+  // Don't use `assert_array_equals` as the clients may contain unrelated pages.
+  assert_true(clients.includes(window.location.href));
+  assert_true(clients.includes(new URL(pageUrl, location).toString()));
 }, 'The client urls (including a prerender page) are exposed by ' +
    'Clients#matchAll()');
 
diff --git a/tests/wpt/tests/streams/idlharness-shadowrealm.window.js b/tests/wpt/tests/streams/idlharness-shadowrealm.window.js
deleted file mode 100644
index 9ec65f7bdf8..00000000000
--- a/tests/wpt/tests/streams/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["streams"], ["dom"]);
diff --git a/tests/wpt/tests/streams/idlharness.any.js b/tests/wpt/tests/streams/idlharness.any.js
index 42a17da58c5..0be03b2078f 100644
--- a/tests/wpt/tests/streams/idlharness.any.js
+++ b/tests/wpt/tests/streams/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker
+// META: global=window,worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 // META: timeout=long
diff --git a/tests/wpt/tests/streams/readable-byte-streams/general.any.js b/tests/wpt/tests/streams/readable-byte-streams/general.any.js
index cdce2244c3c..50f4f019ff2 100644
--- a/tests/wpt/tests/streams/readable-byte-streams/general.any.js
+++ b/tests/wpt/tests/streams/readable-byte-streams/general.any.js
@@ -236,6 +236,29 @@ promise_test(t => {
   });
 }, 'ReadableStream with byte source: Test that erroring a stream does not release a BYOB reader automatically');
 
+promise_test(async t => {
+  const rs = new ReadableStream({
+    type: 'bytes',
+    start(c) {
+      c.enqueue(new Uint8Array([1, 2, 3]));
+    }
+  });
+
+  const reader1 = rs.getReader({mode: 'byob'});
+  reader1.releaseLock();
+
+  const reader2 = rs.getReader({mode: 'byob'});
+
+  // Should be a no-op
+  reader1.releaseLock();
+
+  const result = await reader2.read(new Uint8Array([0, 0, 0]));
+  assert_typed_array_equals(result.value, new Uint8Array([1, 2, 3]),
+    'read() should still work on reader2 even after reader1 is released');
+  assert_false(result.done, 'done');
+
+}, 'ReadableStream with byte source: cannot use an already-released BYOB reader to unlock a stream again');
+
 promise_test(async t => {
   const stream = new ReadableStream({
     type: 'bytes'
@@ -870,11 +893,11 @@ promise_test(() => {
     start(c) {
       controller = c;
     },
-    async pull() {
+    pull() {
       byobRequestDefined.push(controller.byobRequest !== null);
       const initialByobRequest = controller.byobRequest;
 
-      const transferredView = await transferArrayBufferView(controller.byobRequest.view);
+      const transferredView = transferArrayBufferView(controller.byobRequest.view);
       transferredView[0] = 0x01;
       controller.byobRequest.respondWithNewView(transferredView);
 
@@ -992,6 +1015,69 @@ promise_test(() => {
 }, 'ReadableStream with byte source: respond(3) to read(view) with 2 element Uint16Array enqueues the 1 byte ' +
    'remainder');
 
+promise_test(() => {
+  let pullCount = 0;
+
+  let controller;
+  let byobRequest;
+  let viewInfo;
+
+  const stream = new ReadableStream({
+    start(c) {
+      controller = c;
+    },
+    pull() {
+      ++pullCount;
+
+      byobRequest = controller.byobRequest;
+      const view = byobRequest.view;
+      viewInfo = extractViewInfo(view);
+
+      view[0] = 0x01;
+      view[1] = 0x02;
+      view[2] = 0x03;
+
+      controller.byobRequest.respond(3);
+    },
+    type: 'bytes'
+  });
+
+  const reader = stream.getReader({ mode: 'byob' });
+  const read1 = reader.read(new Uint16Array(2));
+  const read2 = reader.read(new Uint8Array(1));
+
+  return read1.then(result => {
+    assert_equals(pullCount, 1);
+
+    assert_false(result.done, 'done');
+
+    const view = result.value;
+    assert_equals(view.byteOffset, 0, 'byteOffset');
+    assert_equals(view.byteLength, 2, 'byteLength');
+
+    const dataView = new DataView(view.buffer, view.byteOffset, view.byteLength);
+    assert_equals(dataView.getUint16(0), 0x0102);
+
+    return read2;
+  }).then(result => {
+    assert_equals(pullCount, 1);
+    assert_not_equals(byobRequest, null, 'byobRequest must not be null');
+    assert_equals(viewInfo.constructor, Uint8Array, 'view.constructor should be Uint8Array');
+    assert_equals(viewInfo.bufferByteLength, 4, 'view.buffer.byteLength should be 4');
+    assert_equals(viewInfo.byteOffset, 0, 'view.byteOffset should be 0');
+    assert_equals(viewInfo.byteLength, 4, 'view.byteLength should be 4');
+
+    assert_false(result.done, 'done');
+
+    const view = result.value;
+    assert_equals(view.byteOffset, 0, 'byteOffset');
+    assert_equals(view.byteLength, 1, 'byteLength');
+
+    assert_equals(view[0], 0x03);
+  });
+}, 'ReadableStream with byte source: respond(3) to read(view) with 2 element Uint16Array fulfills second read(view) ' +
+   'with the 1 byte remainder');
+
 promise_test(t => {
   const stream = new ReadableStream({
     start(controller) {
@@ -2288,7 +2374,7 @@ promise_test(async t => {
   await pullCalledPromise;
 
   // Transfer the original BYOB request's buffer, and respond with a new view on that buffer
-  const transferredView = await transferArrayBufferView(controller.byobRequest.view);
+  const transferredView = transferArrayBufferView(controller.byobRequest.view);
   const newView = transferredView.subarray(0, 1);
   newView[0] = 42;
 
@@ -2328,7 +2414,7 @@ promise_test(async t => {
   await pullCalledPromise;
 
   // Transfer the original BYOB request's buffer, and respond with an empty view on that buffer
-  const transferredView = await transferArrayBufferView(controller.byobRequest.view);
+  const transferredView = transferArrayBufferView(controller.byobRequest.view);
   const newView = transferredView.subarray(0, 0);
 
   controller.close();
diff --git a/tests/wpt/tests/streams/readable-byte-streams/patched-global.any.js b/tests/wpt/tests/streams/readable-byte-streams/patched-global.any.js
new file mode 100644
index 00000000000..ce2e9e9993a
--- /dev/null
+++ b/tests/wpt/tests/streams/readable-byte-streams/patched-global.any.js
@@ -0,0 +1,54 @@
+// META: global=window,worker,shadowrealm
+// META: script=../resources/test-utils.js
+'use strict';
+
+// Tests which patch the global environment are kept separate to avoid
+// interfering with other tests.
+
+promise_test(async (t) => {
+  let controller;
+  const rs = new ReadableStream({
+    type: 'bytes',
+    start(c) {
+      controller = c;
+    }
+  });
+  const reader = rs.getReader({mode: 'byob'});
+
+  const length = 0x4000;
+  const buffer = new ArrayBuffer(length);
+  const bigArray = new BigUint64Array(buffer, length - 8, 1);
+
+  const read1 = reader.read(new Uint8Array(new ArrayBuffer(0x100)));
+  const read2 = reader.read(bigArray);
+
+  let flag = false;
+  Object.defineProperty(Object.prototype, 'then', {
+    get: t.step_func(() => {
+      if (!flag) {
+        flag = true;
+        assert_equals(controller.byobRequest, null, 'byobRequest should be null after filling both views');
+      }
+    }),
+    configurable: true
+  });
+  t.add_cleanup(() => {
+    delete Object.prototype.then;
+  });
+
+  controller.enqueue(new Uint8Array(0x110).fill(0x42));
+  assert_true(flag, 'patched then() should be called');
+
+  // The first read() is filled entirely with 0x100 bytes
+  const result1 = await read1;
+  assert_false(result1.done, 'result1.done');
+  assert_typed_array_equals(result1.value, new Uint8Array(0x100).fill(0x42), 'result1.value');
+
+  // The second read() is filled with the remaining 0x10 bytes
+  const result2 = await read2;
+  assert_false(result2.done, 'result2.done');
+  assert_equals(result2.value.constructor, BigUint64Array, 'result2.value constructor');
+  assert_equals(result2.value.byteOffset, length - 8, 'result2.value byteOffset');
+  assert_equals(result2.value.length, 1, 'result2.value length');
+  assert_array_equals([...result2.value], [0x42424242_42424242n], 'result2.value contents');
+}, 'Patched then() sees byobRequest after filling all pending pull-into descriptors');
diff --git a/tests/wpt/tests/streams/readable-byte-streams/templated.any.js b/tests/wpt/tests/streams/readable-byte-streams/templated.any.js
new file mode 100644
index 00000000000..e4c10f76859
--- /dev/null
+++ b/tests/wpt/tests/streams/readable-byte-streams/templated.any.js
@@ -0,0 +1,24 @@
+// META: global=window,worker,shadowrealm
+// META: script=../resources/test-utils.js
+// META: script=../resources/rs-test-templates.js
+'use strict';
+
+templatedRSEmpty('ReadableStream with byte source (empty)', () => {
+  return new ReadableStream({ type: 'bytes' });
+});
+
+templatedRSEmptyReader('ReadableStream with byte source (empty) default reader', () => {
+  const stream = new ReadableStream({ type: 'bytes' });
+  const reader = stream.getReader();
+  return { stream, reader, read: () => reader.read() };
+});
+
+templatedRSEmptyReader('ReadableStream with byte source (empty) BYOB reader', () => {
+  const stream = new ReadableStream({ type: 'bytes' });
+  const reader = stream.getReader({ mode: 'byob' });
+  return { stream, reader, read: () => reader.read(new Uint8Array([0])) };
+});
+
+templatedRSThrowAfterCloseOrError('ReadableStream with byte source', (extras) => {
+  return new ReadableStream({ type: 'bytes', ...extras });
+});
diff --git a/tests/wpt/tests/streams/readable-streams/from.any.js b/tests/wpt/tests/streams/readable-streams/from.any.js
index 2a4212ab890..2b28a05fee3 100644
--- a/tests/wpt/tests/streams/readable-streams/from.any.js
+++ b/tests/wpt/tests/streams/readable-streams/from.any.js
@@ -150,6 +150,12 @@ const badIterables = [
   ['an object with a non-callable @@asyncIterator method', {
     [Symbol.asyncIterator]: 42
   }],
+  ['an object with an @@iterator method returning a non-object', {
+    [Symbol.iterator]: () => 42
+  }],
+  ['an object with an @@asyncIterator method returning a non-object', {
+    [Symbol.asyncIterator]: () => 42
+  }],
 ];
 
 for (const [label, iterable] of badIterables) {
@@ -244,6 +250,64 @@ promise_test(async t => {
 
 }, `ReadableStream.from: stream errors when next() rejects`);
 
+promise_test(async t => {
+  const theError = new Error('a unique string');
+
+  const iterable = {
+    next() {
+      throw theError;
+    },
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await Promise.all([
+    promise_rejects_exactly(t, theError, reader.read()),
+    promise_rejects_exactly(t, theError, reader.closed)
+  ]);
+
+}, 'ReadableStream.from: stream errors when next() throws synchronously');
+
+promise_test(async t => {
+
+  const iterable = {
+    next() {
+      return 42; // not a promise or an iterator result
+    },
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await Promise.all([
+    promise_rejects_js(t, TypeError, reader.read()),
+    promise_rejects_js(t, TypeError, reader.closed)
+  ]);
+
+}, 'ReadableStream.from: stream errors when next() returns a non-object');
+
+promise_test(async t => {
+
+  const iterable = {
+    next() {
+      return Promise.resolve(42); // not an iterator result
+    },
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await Promise.all([
+    promise_rejects_js(t, TypeError, reader.read()),
+    promise_rejects_js(t, TypeError, reader.closed)
+  ]);
+
+}, 'ReadableStream.from: stream errors when next() fulfills with a non-object');
+
 promise_test(async t => {
 
   const iterable = {
@@ -360,6 +424,93 @@ promise_test(async t => {
 
 }, `ReadableStream.from: return() is not called when iterator completes normally`);
 
+promise_test(async t => {
+
+  const theError = new Error('a unique string');
+
+  const iterable = {
+    next: t.unreached_func('next() should not be called'),
+    throw: t.unreached_func('throw() should not be called'),
+    // no return method
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await Promise.all([
+    reader.cancel(theError),
+    reader.closed
+  ]);
+
+}, `ReadableStream.from: cancel() resolves when return() method is missing`);
+
+promise_test(async t => {
+
+  const theError = new Error('a unique string');
+
+  const iterable = {
+    next: t.unreached_func('next() should not be called'),
+    throw: t.unreached_func('throw() should not be called'),
+    return: 42,
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await promise_rejects_js(t, TypeError, reader.cancel(theError), 'cancel() should reject with a TypeError');
+
+  await reader.closed;
+
+}, `ReadableStream.from: cancel() rejects when return() is not a method`);
+
+promise_test(async t => {
+
+  const cancelReason = new Error('cancel reason');
+  const rejectError = new Error('reject error');
+
+  const iterable = {
+    next: t.unreached_func('next() should not be called'),
+    throw: t.unreached_func('throw() should not be called'),
+    async return() {
+      throw rejectError;
+    },
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await promise_rejects_exactly(t, rejectError, reader.cancel(cancelReason), 'cancel() should reject with error from return()');
+
+  await reader.closed;
+
+}, `ReadableStream.from: cancel() rejects when return() rejects`);
+
+promise_test(async t => {
+
+  const cancelReason = new Error('cancel reason');
+  const rejectError = new Error('reject error');
+
+  const iterable = {
+    next: t.unreached_func('next() should not be called'),
+    throw: t.unreached_func('throw() should not be called'),
+    return() {
+      throw rejectError;
+    },
+    [Symbol.asyncIterator]: () => iterable
+  };
+
+  const rs = ReadableStream.from(iterable);
+  const reader = rs.getReader();
+
+  await promise_rejects_exactly(t, rejectError, reader.cancel(cancelReason), 'cancel() should reject with error from return()');
+
+  await reader.closed;
+
+}, `ReadableStream.from: cancel() rejects when return() throws synchronously`);
+
 promise_test(async t => {
 
   const theError = new Error('a unique string');
diff --git a/tests/wpt/tests/streams/readable-streams/garbage-collection.any.js b/tests/wpt/tests/streams/readable-streams/garbage-collection.any.js
index 13bd1fb3437..abcb4cf21b8 100644
--- a/tests/wpt/tests/streams/readable-streams/garbage-collection.any.js
+++ b/tests/wpt/tests/streams/readable-streams/garbage-collection.any.js
@@ -69,3 +69,22 @@ promise_test(async () => {
     'old reader should still be locking the stream even after garbage collection'));
 
 }, 'Garbage-collecting a ReadableStreamDefaultReader should not unlock its stream');
+
+promise_test(async () => {
+
+  const promise = (() => {
+    const rs = new ReadableStream({
+      pull(controller) {
+        controller.enqueue('words');
+      }
+    });
+    const reader = rs.getReader();
+    return reader.read();
+  })();
+  await garbageCollect();
+  const {value, done} = await promise;
+  // If we get here, the test passed.
+  assert_equals(value, 'words', 'value should be words');
+  assert_false(done, 'we should not be done');
+
+}, 'A ReadableStream and its reader should not be garbage collected while there is a read promise pending');
diff --git a/tests/wpt/tests/streams/readable-streams/templated.any.js b/tests/wpt/tests/streams/readable-streams/templated.any.js
index dc75b805a10..4f2440c0880 100644
--- a/tests/wpt/tests/streams/readable-streams/templated.any.js
+++ b/tests/wpt/tests/streams/readable-streams/templated.any.js
@@ -13,7 +13,9 @@ templatedRSEmpty('ReadableStream (empty)', () => {
 });
 
 templatedRSEmptyReader('ReadableStream (empty) reader', () => {
-  return streamAndDefaultReader(new ReadableStream());
+  const stream = new ReadableStream();
+  const reader = stream.getReader();
+  return { stream, reader, read: () => reader.read() };
 });
 
 templatedRSClosed('ReadableStream (closed via call in start)', () => {
@@ -138,6 +140,10 @@ templatedRSTwoChunksClosedReader('ReadableStream (two chunks enqueued, then clos
   return result;
 }, chunks);
 
+templatedRSThrowAfterCloseOrError('ReadableStream', (extras) => {
+  return new ReadableStream({ ...extras });
+});
+
 function streamAndDefaultReader(stream) {
   return { stream, reader: stream.getReader() };
 }
diff --git a/tests/wpt/tests/streams/resources/rs-test-templates.js b/tests/wpt/tests/streams/resources/rs-test-templates.js
index 25751c477f5..73ef0463768 100644
--- a/tests/wpt/tests/streams/resources/rs-test-templates.js
+++ b/tests/wpt/tests/streams/resources/rs-test-templates.js
@@ -200,7 +200,7 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   test(() => {
 
-    const stream = factory().stream;
+    const { stream } = factory();
 
     assert_true(stream.locked, 'locked getter should return true');
 
@@ -208,9 +208,9 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   promise_test(t => {
 
-    const reader = factory().reader;
+    const { read } = factory();
 
-    reader.read().then(
+    read().then(
       t.unreached_func('read() should not fulfill'),
       t.unreached_func('read() should not reject')
     );
@@ -221,14 +221,14 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   promise_test(t => {
 
-    const reader = factory().reader;
+    const { read } = factory();
 
-    reader.read().then(
+    read().then(
       t.unreached_func('read() should not fulfill'),
       t.unreached_func('read() should not reject')
     );
 
-    reader.read().then(
+    read().then(
       t.unreached_func('read() should not fulfill'),
       t.unreached_func('read() should not reject')
     );
@@ -239,26 +239,24 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   test(() => {
 
-    const reader = factory().reader;
-    assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct');
+    const { read } = factory();
+    assert_not_equals(read(), read(), 'the promises returned should be distinct');
 
   }, label + ': read() should return distinct promises each time');
 
   test(() => {
 
-    const stream = factory().stream;
+    const { stream } = factory();
     assert_throws_js(TypeError, () => stream.getReader(), 'stream.getReader() should throw a TypeError');
 
   }, label + ': getReader() again on the stream should fail');
 
   promise_test(async t => {
 
-    const streamAndReader = factory();
-    const stream = streamAndReader.stream;
-    const reader = streamAndReader.reader;
+    const { stream, reader, read } = factory();
 
-    const read1 = reader.read();
-    const read2 = reader.read();
+    const read1 = read();
+    const read2 = read();
     const closed = reader.closed;
 
     reader.releaseLock();
@@ -275,19 +273,19 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   promise_test(t => {
 
-    const reader = factory().reader;
+    const { reader, read } = factory();
     reader.releaseLock();
 
     return Promise.all([
-      promise_rejects_js(t, TypeError, reader.read()),
-      promise_rejects_js(t, TypeError, reader.read())
+      promise_rejects_js(t, TypeError, read()),
+      promise_rejects_js(t, TypeError, read())
     ]);
 
   }, label + ': releasing the lock should cause further read() calls to reject with a TypeError');
 
   promise_test(t => {
 
-    const reader = factory().reader;
+    const { reader } = factory();
 
     const closedBefore = reader.closed;
     reader.releaseLock();
@@ -301,9 +299,7 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   test(() => {
 
-    const streamAndReader = factory();
-    const stream = streamAndReader.stream;
-    const reader = streamAndReader.reader;
+    const { stream, reader } = factory();
 
     reader.releaseLock();
     assert_false(stream.locked, 'locked getter should return false');
@@ -312,10 +308,10 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   promise_test(() => {
 
-    const reader = factory().reader;
+    const { reader, read } = factory();
     reader.cancel();
 
-    return reader.read().then(r => {
+    return read().then(r => {
       assert_object_equals(r, { value: undefined, done: true }, 'read()ing from the reader should give a done result');
     });
 
@@ -323,7 +319,7 @@ self.templatedRSEmptyReader = (label, factory) => {
 
   promise_test(t => {
 
-    const stream = factory().stream;
+    const { stream } = factory();
     return promise_rejects_js(t, TypeError, stream.cancel());
 
   }, label + ': canceling via the stream should fail');
@@ -719,3 +715,62 @@ self.templatedRSTeeCancel = (label, factory) => {
   }, `${label}: erroring a teed stream should properly handle canceled branches`);
 
 };
+
+self.templatedRSThrowAfterCloseOrError = (label, factory) => {
+  test(() => {}, 'Running templatedRSThrowAfterCloseOrError with ' + label);
+
+  const theError = new Error('a unique string');
+
+  promise_test(async t => {
+    let controller;
+    const stream = factory({
+      start: t.step_func((c) => {
+        controller = c;
+      })
+    });
+
+    controller.close();
+
+    assert_throws_js(TypeError, () => controller.enqueue(new Uint8Array([1])));
+  }, `${label}: enqueue() throws after close()`);
+
+  promise_test(async t => {
+    let controller;
+    const stream = factory({
+      start: t.step_func((c) => {
+        controller = c;
+      })
+    });
+
+    controller.enqueue(new Uint8Array([1]));
+    controller.close();
+
+    assert_throws_js(TypeError, () => controller.enqueue(new Uint8Array([2])));
+  }, `${label}: enqueue() throws after enqueue() and close()`);
+
+  promise_test(async t => {
+    let controller;
+    const stream = factory({
+      start: t.step_func((c) => {
+        controller = c;
+      })
+    });
+
+    controller.error(theError);
+
+    assert_throws_js(TypeError, () => controller.enqueue(new Uint8Array([1])));
+  }, `${label}: enqueue() throws after error()`);
+
+  promise_test(async t => {
+    let controller;
+    const stream = factory({
+      start: t.step_func((c) => {
+        controller = c;
+      })
+    });
+
+    controller.error(theError);
+
+    assert_throws_js(TypeError, () => controller.close());
+  }, `${label}: close() throws after error()`);
+};
diff --git a/tests/wpt/tests/streams/resources/rs-utils.js b/tests/wpt/tests/streams/resources/rs-utils.js
index f52dd6197b7..0f7742a5b3b 100644
--- a/tests/wpt/tests/streams/resources/rs-utils.js
+++ b/tests/wpt/tests/streams/resources/rs-utils.js
@@ -215,15 +215,7 @@
   }
 
   function transferArrayBufferView(view) {
-    const noopByteStream = new ReadableStream({
-      type: 'bytes',
-      pull(c) {
-        c.byobRequest.respond(c.byobRequest.view.byteLength);
-        c.close();
-      }
-    });
-    const reader = noopByteStream.getReader({ mode: 'byob' });
-    return reader.read(view).then((result) => result.value);
+    return structuredClone(view, { transfer: [view.buffer] });
   }
 
   self.RandomPushSource = RandomPushSource;
diff --git a/tests/wpt/tests/streams/transform-streams/cancel.any.js b/tests/wpt/tests/streams/transform-streams/cancel.any.js
index 5c7fc4eae5d..9b369bfb7c6 100644
--- a/tests/wpt/tests/streams/transform-streams/cancel.any.js
+++ b/tests/wpt/tests/streams/transform-streams/cancel.any.js
@@ -113,3 +113,93 @@ promise_test(async t => {
   const closePromise = ts.readable.cancel(1);
   await promise_rejects_exactly(t, thrownError, closePromise, 'closePromise should reject with thrownError');
 }, 'writable.abort() and readable.cancel() should reject if a transformer.cancel() calls controller.error()');
+
+promise_test(async t => {
+  const cancelReason = new Error('cancel reason');
+  let controller;
+  let cancelPromise;
+  let flushCalled = false;
+  const ts = new TransformStream({
+    start(c) {
+      controller = c;
+    },
+    flush() {
+      flushCalled = true;
+      cancelPromise = ts.readable.cancel(cancelReason);
+    },
+    cancel: t.unreached_func('cancel should not be called')
+  });
+  await flushAsyncEvents(); // ensure stream is started
+  await ts.writable.close();
+  assert_true(flushCalled, 'flush() was called');
+  await cancelPromise;
+}, 'readable.cancel() should not call cancel() when flush() is already called from writable.close()');
+
+promise_test(async t => {
+  const cancelReason = new Error('cancel reason');
+  const abortReason = new Error('abort reason');
+  let cancelCalls = 0;
+  let controller;
+  let cancelPromise;
+  const ts = new TransformStream({
+    start(c) {
+      controller = c;
+    },
+    cancel() {
+      if (++cancelCalls === 1) {
+        cancelPromise = ts.readable.cancel(cancelReason);
+      }
+    },
+    flush: t.unreached_func('flush should not be called')
+  });
+  await flushAsyncEvents(); // ensure stream is started
+  await ts.writable.abort(abortReason);
+  assert_equals(cancelCalls, 1);
+  await cancelPromise;
+  assert_equals(cancelCalls, 1);
+}, 'readable.cancel() should not call cancel() again when already called from writable.abort()');
+
+promise_test(async t => {
+  const cancelReason = new Error('cancel reason');
+  let controller;
+  let closePromise;
+  let cancelCalled = false;
+  const ts = new TransformStream({
+    start(c) {
+      controller = c;
+    },
+    cancel() {
+      cancelCalled = true;
+      closePromise = ts.writable.close();
+    },
+    flush: t.unreached_func('flush should not be called')
+  });
+  await flushAsyncEvents(); // ensure stream is started
+  await ts.readable.cancel(cancelReason);
+  assert_true(cancelCalled, 'cancel() was called');
+  await closePromise;
+}, 'writable.close() should not call flush() when cancel() is already called from readable.cancel()');
+
+promise_test(async t => {
+  const cancelReason = new Error('cancel reason');
+  const abortReason = new Error('abort reason');
+  let cancelCalls = 0;
+  let controller;
+  let abortPromise;
+  const ts = new TransformStream({
+    start(c) {
+      controller = c;
+    },
+    cancel() {
+      if (++cancelCalls === 1) {
+        abortPromise = ts.writable.abort(abortReason);
+      }
+    },
+    flush: t.unreached_func('flush should not be called')
+  });
+  await flushAsyncEvents(); // ensure stream is started
+  await promise_rejects_exactly(t, abortReason, ts.readable.cancel(cancelReason));
+  assert_equals(cancelCalls, 1);
+  await promise_rejects_exactly(t, abortReason, abortPromise);
+  assert_equals(cancelCalls, 1);
+}, 'writable.abort() should not call cancel() again when already called from readable.cancel()');
diff --git a/tests/wpt/tests/streams/writable-streams/aborting.any.js b/tests/wpt/tests/streams/writable-streams/aborting.any.js
index 9171dbe158f..9d8e80b1de6 100644
--- a/tests/wpt/tests/streams/writable-streams/aborting.any.js
+++ b/tests/wpt/tests/streams/writable-streams/aborting.any.js
@@ -1472,6 +1472,8 @@ promise_test(async t => {
 
 promise_test(async t => {
   let ctrl;
+  let abortPromise;
+  let abortPromiseFromSignal;
   const e1 = SyntaxError();
   const e2 = TypeError();
   const ws = new WritableStream({
@@ -1479,9 +1481,87 @@ promise_test(async t => {
   });
 
   const writer = ws.getWriter();
-  ctrl.signal.addEventListener('abort', () => writer.abort(e2));
-  writer.abort(e1);
+  ctrl.signal.addEventListener('abort', () => {
+    abortPromiseFromSignal = writer.abort(e2);
+  });
+  abortPromise = writer.abort(e1);
   assert_true(ctrl.signal.aborted);
 
-  await promise_rejects_exactly(t, e2, writer.closed, 'closed');
-}, 'recursive abort() call');
+  await Promise.all([
+    abortPromise,
+    abortPromiseFromSignal,
+    promise_rejects_exactly(t, e2, writer.closed, 'closed')
+  ]);
+}, 'recursive abort() call from abort() aborting signal (not started)');
+
+promise_test(async t => {
+  let ctrl;
+  let abortPromise;
+  let abortPromiseFromSignal;
+  const e1 = SyntaxError();
+  const e2 = TypeError();
+  const ws = new WritableStream({
+    start(c) { ctrl = c; },
+  });
+  await flushAsyncEvents(); // ensure stream is started
+
+  const writer = ws.getWriter();
+  ctrl.signal.addEventListener('abort', () => {
+    abortPromiseFromSignal = writer.abort(e2);
+  });
+  abortPromise = writer.abort(e1);
+  assert_true(ctrl.signal.aborted);
+
+  await Promise.all([
+    abortPromise,
+    abortPromiseFromSignal,
+    promise_rejects_exactly(t, e2, writer.closed, 'closed')
+  ]);
+}, 'recursive abort() call from abort() aborting signal');
+
+promise_test(async t => {
+  let ctrl;
+  let abortPromise;
+  let closePromiseFromSignal;
+  const theError = SyntaxError();
+  const ws = new WritableStream({
+    start(c) { ctrl = c; },
+  });
+
+  const writer = ws.getWriter();
+  ctrl.signal.addEventListener('abort', () => {
+    closePromiseFromSignal = writer.close();
+  });
+  abortPromise = writer.abort(theError);
+  assert_true(ctrl.signal.aborted);
+
+  await Promise.all([
+    abortPromise,
+    promise_rejects_exactly(t, theError, closePromiseFromSignal, 'closed'),
+    promise_rejects_exactly(t, theError, writer.closed, 'closed')
+  ]);
+}, 'recursive close() call from abort() aborting signal (not started)');
+
+promise_test(async t => {
+  let ctrl;
+  let abortPromise;
+  let closePromiseFromSignal;
+  const theError = SyntaxError();
+  const ws = new WritableStream({
+    start(c) { ctrl = c; },
+  });
+  await flushAsyncEvents(); // ensure stream is started
+
+  const writer = ws.getWriter();
+  ctrl.signal.addEventListener('abort', () => {
+    closePromiseFromSignal = writer.close();
+  });
+  abortPromise = writer.abort(theError);
+  assert_true(ctrl.signal.aborted);
+
+  await Promise.all([
+    abortPromise,
+    closePromiseFromSignal,
+    writer.closed
+  ]);
+}, 'recursive close() call from abort() aborting signal');
diff --git a/tests/wpt/tests/streams/writable-streams/constructor.any.js b/tests/wpt/tests/streams/writable-streams/constructor.any.js
index 0abc7ef545e..bb382a33b8e 100644
--- a/tests/wpt/tests/streams/writable-streams/constructor.any.js
+++ b/tests/wpt/tests/streams/writable-streams/constructor.any.js
@@ -87,6 +87,10 @@ test(() => {
   new WritableStream();
 }, 'WritableStream should be constructible with no arguments');
 
+test(() => {
+  assert_throws_js(RangeError, () => new WritableStream({ type: 'bytes' }), 'constructor should throw');
+}, `WritableStream can't be constructed with a defined type`);
+
 test(() => {
   const underlyingSink = { get start() { throw error1; } };
   const queuingStrategy = { highWaterMark: 0, get size() { throw error2; } };
diff --git a/tests/wpt/tests/streams/writable-streams/garbage-collection.any.js b/tests/wpt/tests/streams/writable-streams/garbage-collection.any.js
new file mode 100644
index 00000000000..5e39e7c60d2
--- /dev/null
+++ b/tests/wpt/tests/streams/writable-streams/garbage-collection.any.js
@@ -0,0 +1,21 @@
+// META: global=window,worker,shadowrealm
+// META: script=/common/gc.js
+'use strict';
+
+promise_test(async () => {
+
+  let written = false;
+  const promise = (() => {
+    const rs = new WritableStream({
+      write() {
+        written = true;
+      }
+    });
+    const writer = rs.getWriter();
+    return writer.write('something');
+  })();
+  await garbageCollect();
+  await promise;
+  assert_true(written);
+
+}, 'A WritableStream and its writer should not be garbage collected while there is a write promise pending');
diff --git a/tests/wpt/tests/subresource-integrity/identity-digest/tentative/fetch.any.js b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/fetch.any.js
new file mode 100644
index 00000000000..9993646f8be
--- /dev/null
+++ b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/fetch.any.js
@@ -0,0 +1,143 @@
+// META: global=window,dedicatedworker,sharedworker
+// META: script=/common/subset-tests-by-key.js
+// META: variant=?include=integrity-none
+// META: variant=?include=integrity-pass
+// META: variant=?include=integrity-fail
+// META: timeout=long
+
+// Given `{ digest: "...", body: "...", cors: true, type: "..." }`:
+function resourceURL(data) {
+  let params = new URLSearchParams(data);
+  return "./resource.py?" + params.toString();
+}
+
+const hello_world = "hello world";
+const hello_hashes = {
+  "sha-256": "uU0nuZNNPgilLlLX2n2r+sSE7+N6U4DukIj3rOLvzek=",
+  "sha-384": "/b2OdaZ/KfcBpOBAOF4uI5hjA+oQI5IRr5B/y7g1eLPkF8txzmRu/QgZ3YwIjeG9",
+  "sha-512": "MJ7MSJwS1utMxA9QyQLytNDtd+5RGnx6m808qG1M2G+YndNbxf9JlnDaNCVbRbDP2DDoH2Bdz33FVC6TrpzXbw=="
+};
+
+const dlrow_olleh = hello_world.split("").reverse().join("");
+const dlrow_hashes = {
+  "sha-256": "vT+a3uWsoxRxVJEINKfH4XZpLqsneOzhFVY98Y3iIz0=",
+  "sha-384": "rueKXz5kdtdmTpc6NbS9fCqr7z8h2mjNs43K9WUglTsZPJzKSUpR87dLs/FNemRN",
+  "sha-512": "N/peuevAy3l8KpS0bB6VTS8vc0fdAvjBJKYjVo2xb6sB6LpDfY6YlrXkWeeXGrP07UXDXEu1K3+SaUqMNjEkxQ=="
+};
+
+const EXPECT_BLOCKED = "block";
+const EXPECT_LOADED = "loaded";
+function generate_test(data, expectation, desc) {
+  subsetTestByKey("integrity-none", promise_test, test => {
+    let fetcher = fetch(resourceURL(data));
+    if (expectation == EXPECT_BLOCKED) {
+      return promise_rejects_js(test, TypeError, fetcher);
+    } else {
+      return fetcher.then(async r => {
+        assert_equals(r.status, 200, "Response status is 200.");
+        assert_equals(await r.text(), data.body);
+      });
+    }
+  }, "No integrity metadata + " + desc);
+
+  subsetTestByKey("integrity-pass", promise_test, test => {
+    // Force CORS for the integrity check below:
+    const data_with_cors = structuredClone(data);
+    data_with_cors.cors = true;
+
+    // The integrity check should pass, and nothing about the
+    // `Identity-Digest` check should be affected.
+    let fetcher = fetch(resourceURL(data_with_cors), { integrity: `sha256-${hello_hashes['sha-256']}`, mode: "cors" });
+    if (expectation == EXPECT_BLOCKED) {
+      return promise_rejects_js(test, TypeError, fetcher);
+    } else {
+      return fetcher.then(async r => {
+        assert_equals(r.status, 200, "Response status is 200.");
+        assert_equals(await r.text(), data.body);
+      });
+    }
+  }, "Good integrity metadata + " + desc);
+
+
+  subsetTestByKey("integrity-fail", promise_test, test => {
+    // Force CORS for the integrity check below:
+    const data_with_cors = structuredClone(data);
+    data_with_cors.cors = true;
+
+    // The integrity check should fail, so the resource should be blocked,
+    // even with matching `Identity-Digest`s.
+    let fetcher = fetch(resourceURL(data_with_cors), { integrity: `sha256-${dlrow_hashes['sha-256']}`, mode: "cors" });
+    return promise_rejects_js(test, TypeError, fetcher);
+  }, "Bad integrity metadata blocks everything, even: " + desc);
+}
+
+// No header.
+generate_test(
+  { body: hello_world },
+  EXPECT_LOADED,
+  "No header: loads.");
+
+let good_header_list = [];
+let bad_header_list = [];
+let mixed_header_list = [];
+for (const key in hello_hashes) {
+  let good_header = `${key}=:${hello_hashes[key]}:`;
+  good_header_list.push(good_header);
+  let bad_header = `${key}=:${dlrow_hashes[key]}:`;
+  bad_header_list.push(bad_header);
+  mixed_header_list.push(good_header, bad_header);
+
+  // - Good single headers:
+  generate_test({
+      body: hello_world,
+      digest: good_header
+    },
+    EXPECT_LOADED,
+    `Good ${key} header: loads.`);
+
+  // - Good multiple headers:
+  generate_test({
+      body: hello_world,
+      digest: `${good_header},${good_header}`
+    },
+    EXPECT_LOADED,
+    `Repeated ${key} header: loads.`);
+
+  generate_test({
+      body: hello_world,
+      digest: good_header_list.join(",")
+    },
+    EXPECT_LOADED,
+    `Multiple good headers (previous += ${key}): loads.`);
+
+  // - Bad single headers:
+  generate_test({
+      body: hello_world,
+      digest: bad_header
+    },
+    EXPECT_BLOCKED,
+    `Bad ${key} header: blocked.`);
+
+  // - Bad multiple headers:
+  generate_test({
+      body: hello_world,
+      digest: `${bad_header},${bad_header}`
+    },
+    EXPECT_BLOCKED,
+    `Repeated ${key} header: blocked.`);
+
+  generate_test({
+      body: hello_world,
+      digest: bad_header_list.join(",")
+    },
+    EXPECT_BLOCKED,
+    `Multiple bad headers (previous += ${key}): blocked.`);
+}
+
+// - Mixed headers.
+generate_test({
+    body: hello_world,
+    digest: mixed_header_list.join(","),
+  },
+  EXPECT_BLOCKED,
+  `Mixed good and bad headers: blocked.`);
diff --git a/tests/wpt/tests/subresource-integrity/identity-digest/tentative/resource.py b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/resource.py
new file mode 100644
index 00000000000..5eec823f6d6
--- /dev/null
+++ b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/resource.py
@@ -0,0 +1,27 @@
+'''
+`Integrity-Digest` helper, generating responses that:
+
+*   Include or exclude an `Integrity-Digest` header depending on the request's
+    `digest` parameter.
+
+*   Include or exclude `Access-Control-Allow-Origin: *` depending on the
+    request's `cors` parameter.
+
+*   Sets a `Content-Type` header from the request's `type` parameter.
+
+*   Echos the `body` parameter into the response body.
+'''
+def main(request, response):
+  digest = request.GET.first(b'digest', b'')
+  if digest:
+    response.headers.set(b'identity-digest', digest)
+
+  cors = request.GET.first(b'cors', '')
+  if cors:
+    response.headers.set(b'access-control-allow-origin', b'*')
+
+  response.headers.set(b'content-type',
+                       request.GET.first(b'type', b'text/plain'))
+
+  response.status_code = 200
+  response.content = request.GET.first(b'body', '')
diff --git a/tests/wpt/tests/subresource-integrity/identity-digest/tentative/script.window.js b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/script.window.js
new file mode 100644
index 00000000000..c839243c7b2
--- /dev/null
+++ b/tests/wpt/tests/subresource-integrity/identity-digest/tentative/script.window.js
@@ -0,0 +1,148 @@
+// META: script=/common/subset-tests-by-key.js
+// META: variant=?include=integrity-none
+// META: variant=?include=integrity-pass
+// META: variant=?include=integrity-fail
+// META: timeout=long
+
+// Given `{ digest: "...", body: "...", cors: true }`:
+function scriptURL(data) {
+  data.type = "application/javascript";
+  let params = new URLSearchParams(data);
+  return "./resource.py?" + params.toString();
+}
+
+const executable_body = "window.hello = `world`;";
+const unreached_body = "assert_unreached(`This code should not execute.`);";
+const executable_hashes = {
+  "sha-256": "PZJ+9CdAAIacg7wfUe4t/RkDQJVKM0mCZ2K7qiRhHFc=",
+  "sha-384": "M5blqNh7AvXO/52MpQtxNMMV4B9uoKLMkdTte7k4mQz11WZDhH3P4QLWkvOA7llb",
+  "sha-512": "6qaEeboWnnFooKiwqnorS3SbkLk5rZcqoSsgEeB97srB0WIH6hJk2QDevHAen7gym6/jW244Ogf5MhZMjPYFrA=="
+};
+const well_formed_but_incorrect_hashes = {
+  "sha-256": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+  "sha-384": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+  "sha-512": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=="
+};
+
+const EXPECT_BLOCKED = "block";
+const EXPECT_LOADED = "loaded";
+function generate_test(data, expectation, desc) {
+  subsetTestByKey("integrity-none", async_test, t => {
+    let s = document.createElement('script');
+    s.src = scriptURL(data);
+    if (expectation == EXPECT_BLOCKED) {
+      s.onerror = t.step_func_done(e => {
+        assert_equals("error", e.type);
+      });
+      s.onload = t.unreached_func("Script should not execute.");
+    } else {
+      s.onload = t.step_func_done(e => {
+        assert_equals("load", e.type);
+      });
+      s.onerror = t.unreached_func("Script should not fail.");
+    }
+    document.body.appendChild(s);
+  }, "No `integrity` attribute + " + desc);
+
+  subsetTestByKey("integrity-pass", async_test, t => {
+    let s = document.createElement('script');
+    s.src = scriptURL(data);
+    s.crossorigin = "anonymous";
+    s.integrity = `sha256-${executable_hashes['sha-256']}`
+    if (expectation == EXPECT_BLOCKED) {
+      s.onerror = t.step_func_done(e => {
+        assert_equals("error", e.type);
+      });
+      s.onload = t.unreached_func("Script should not execute.");
+    } else {
+      s.onload = t.step_func_done(e => {
+        assert_equals("load", e.type);
+      });
+      s.onerror = t.unreached_func("Script should not fail.");
+    }
+    document.body.appendChild(s);
+  }, "Matching `integrity` attribute + " + desc);
+
+  subsetTestByKey("integrity-fail", async_test, t => {
+    let s = document.createElement('script');
+    s.src = scriptURL(data);
+    s.crossorigin = "anonymous";
+    s.integrity = `sha512-${well_formed_but_incorrect_hashes['sha-512']}`
+    s.onerror = t.step_func_done(e => {
+      assert_equals("error", e.type);
+    });
+    s.onload = t.unreached_func("Script should not execute.");
+    document.body.appendChild(s);
+  }, "Mismatching `integrity` attribute always blocks: " + desc);
+}
+
+// No header.
+generate_test(
+  { body: executable_body },
+  EXPECT_LOADED,
+  "No header: loads.");
+
+let good_header_list = [];
+let bad_header_list = [];
+let mixed_header_list = [];
+for (const key in executable_hashes) {
+  let good_header = `${key}=:${executable_hashes[key]}:`;
+  good_header_list.push(good_header);
+  let bad_header = `${key}=:${well_formed_but_incorrect_hashes[key]}:`;
+  bad_header_list.push(bad_header);
+  mixed_header_list.push(good_header, bad_header);
+
+  // - Good single headers:
+  generate_test({
+      body: executable_body,
+      digest: good_header
+    },
+    EXPECT_LOADED,
+    `Good ${key} header: loads.`);
+
+  // - Good multiple headers:
+  generate_test({
+      body: executable_body,
+      digest: `${good_header},${good_header}`
+    },
+    EXPECT_LOADED,
+    `Repeated ${key} header: loads.`);
+
+  generate_test({
+      body: executable_body,
+      digest: good_header_list.join(",")
+    },
+    EXPECT_LOADED,
+    `Multiple good headers (previous += ${key}): loads.`);
+
+  // - Bad single headers:
+  generate_test({
+      body: executable_body,
+      digest: bad_header
+    },
+    EXPECT_BLOCKED,
+    `Bad ${key} header: blocked.`);
+
+  // - Bad multiple headers:
+  generate_test({
+      body: executable_body,
+      digest: `${bad_header},${bad_header}`
+    },
+    EXPECT_BLOCKED,
+    `Repeated ${key} header: blocked.`);
+
+  generate_test({
+      body: executable_body,
+      digest: bad_header_list.join(",")
+    },
+    EXPECT_BLOCKED,
+    `Multiple bad headers (previous += ${key}): blocked.`);
+}
+
+// - Mixed headers.
+generate_test({
+    body: executable_body,
+    digest: mixed_header_list.join(","),
+  },
+  EXPECT_BLOCKED,
+  `Mixed good and bad headers: blocked.`);
diff --git a/tests/wpt/tests/subresource-integrity/signatures/tentative/fetch.any.js b/tests/wpt/tests/subresource-integrity/signatures/tentative/fetch.any.js
new file mode 100644
index 00000000000..86fd23f907b
--- /dev/null
+++ b/tests/wpt/tests/subresource-integrity/signatures/tentative/fetch.any.js
@@ -0,0 +1,116 @@
+// META: global=window,dedicatedworker,sharedworker
+
+// Given `{ digest: "...", body: "...", cors: true, type: "..." }`:
+function resourceURL(data) {
+  let params = new URLSearchParams(data);
+  return "./resource.py?" + params.toString();
+}
+
+// A canonically validly signed response, generated using the steps at
+// https://wicg.github.io/signature-based-sri/#examples, relying on the test
+// key from https://www.rfc-editor.org/rfc/rfc9421.html#name-example-ed25519-test-key:
+//
+// ```
+// NOTE: '\' line wrapping per RFC 8792
+//
+// HTTP/1.1 200 OK
+// Date: Tue, 20 Apr 2021 02:07:56 GMT
+// Content-Type: application/json
+// Identity-Digest: sha-256=:X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=:
+// Content-Length: 18
+// Signature-Input: signature=("identity-digest";sf);alg="ed25519"; \
+//                  keyid="JrQLj5P/89iXES9+vFgrIy29clF9CC/oPPsw3c5D0bs="; \
+//                  tag="sri"
+// Signature: signature=:H7AqWWgo1DJ7VdyF9DKotG/4hvatKDfRTq2mpuY/hvJupSn+EYzus \
+//            5p24qPK7DtVQcxJFhzSYDj4RBq9grZTAQ==:
+//
+// {"hello": "world"}
+// ```
+
+// Test key from https://www.rfc-editor.org/rfc/rfc9421.html#name-example-ed25519-test-key.
+const kValidKey   = "JrQLj5P/89iXES9+vFgrIy29clF9CC/oPPsw3c5D0bs=";
+
+// A key with the right length that cannot be used to verify the HTTP response
+// above.
+const kInvalidKey = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+
+// Metadata from the response above:
+const kRequestWithValidSignature = {
+  body: `{"hello": "world"}`,
+  digest: `sha-256=:X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=:`,
+  signature: `signature=:H7AqWWgo1DJ7VdyF9DKotG/4hvatKDfRTq2mpuY/hvJupSn+EYzus5p24qPK7DtVQcxJFhzSYDj4RBq9grZTAQ==:`,
+  signatureInput: `signature=("identity-digest";sf);alg="ed25519";keyid="JrQLj5P/89iXES9+vFgrIy29clF9CC/oPPsw3c5D0bs=";tag="sri"`
+};
+
+// Metadata from the response above, but with an incorrect signature:
+const kRequestWithInvalidSignature = {
+  body: `{"hello": "world"}`,
+  digest: `sha-256=:X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=:`,
+  signature: `signature=:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==:`,
+  signatureInput: `signature=("identity-digest";sf);alg="ed25519";keyid="JrQLj5P/89iXES9+vFgrIy29clF9CC/oPPsw3c5D0bs=";tag="sri"`
+};
+
+const EXPECT_BLOCKED = "block";
+const EXPECT_LOADED = "loaded";
+
+function generate_test(request_data, integrity, expectation, description) {
+  promise_test(test => {
+    const url = resourceURL(request_data);
+    let options = {};
+    if (integrity != "") {
+      options.integrity = integrity;
+    }
+
+    let fetcher = fetch(url, options);
+    if (expectation == EXPECT_LOADED) {
+      return fetcher.then(r => {
+        assert_equals(r.status, 200, "Response status is 200.");
+      });
+    } else {
+      return promise_rejects_js(test, TypeError, fetcher);
+    }
+  }, description);
+}
+
+generate_test({}, "", EXPECT_LOADED,
+              "No signature, no integrity check: loads.");
+
+generate_test({}, `ed25519-!!!`, EXPECT_LOADED,
+              "No signature, malformed integrity check: loads.");
+
+generate_test({}, `ed25519-${kValidKey}`, EXPECT_BLOCKED,
+              "No signature, valid integrity check: blocked.");
+
+// Valid signatures depend upon integrity checks.
+generate_test(kRequestWithValidSignature, "", EXPECT_LOADED,
+              "Valid signature, no integrity check: loads.");
+
+generate_test(kRequestWithValidSignature, "ed25519-???", EXPECT_LOADED,
+              "Valid signature, malformed integrity check: loads.");
+
+generate_test(kRequestWithValidSignature, `ed25519-${kValidKey}`, EXPECT_LOADED,
+              "Valid signature, matching integrity check: loads.");
+
+generate_test(kRequestWithValidSignature, `ed25519-${kInvalidKey}`, EXPECT_BLOCKED,
+              "Valid signature, mismatched integrity check: blocked.");
+
+generate_test(kRequestWithValidSignature,
+              `ed25519-${kValidKey} ed25519-${kInvalidKey}`, EXPECT_LOADED,
+              "Valid signature, one valid integrity check: loads.");
+
+// Invalid signatures are all blocked.
+generate_test(kRequestWithInvalidSignature, "", EXPECT_BLOCKED,
+              "Invalid signature, no integrity check: blocked.");
+
+generate_test(kRequestWithInvalidSignature, "ed25519-???", EXPECT_BLOCKED,
+              "Invalid signature, malformed integrity check: blocked.");
+
+generate_test(kRequestWithInvalidSignature, `ed25519-${kValidKey}`, EXPECT_BLOCKED,
+              "Invalid signature, matching integrity check: blocked.");
+
+generate_test(kRequestWithInvalidSignature, `ed25519-${kInvalidKey}`, EXPECT_BLOCKED,
+              "Invalid signature, mismatched integrity check: blocked.");
+
+generate_test(kRequestWithInvalidSignature,
+              `ed25519-${kValidKey} ed25519-${kInvalidKey}`, EXPECT_BLOCKED,
+              "Invalid signature, one valid integrity check: blocked.");
diff --git a/tests/wpt/tests/subresource-integrity/signatures/tentative/resource.py b/tests/wpt/tests/subresource-integrity/signatures/tentative/resource.py
new file mode 100644
index 00000000000..3908b237038
--- /dev/null
+++ b/tests/wpt/tests/subresource-integrity/signatures/tentative/resource.py
@@ -0,0 +1,38 @@
+'''
+SRI Message Signature helper, generating responses that:
+
+*   Include or exclude an `Integrity-Digest` header depending on the request's
+    `digest` parameter.
+*   Include or exclude an `Signature` header depending on the request's
+    `signature` parameter.
+*   Include or exclude an `Signature-Input` header depending on the request's
+    `signatureInput` parameter.
+
+*   Include or exclude `Access-Control-Allow-Origin: *` depending on the
+    request's `cors` parameter.
+
+*   Sets a `Content-Type` header from the request's `type` parameter.
+
+*   Echos the `body` parameter into the response body.
+'''
+def main(request, response):
+  digest = request.GET.first(b'digest', b'')
+  signature = request.GET.first(b'signature', b'')
+  signatureInput = request.GET.first(b'signatureInput', b'')
+  if digest:
+    response.headers.set(b'identity-digest', digest)
+  if signature:
+    response.headers.set(b'signature', signature)
+  if signatureInput:
+    response.headers.set(b'signature-input', signatureInput)
+
+
+  cors = request.GET.first(b'cors', '')
+  if cors:
+    response.headers.set(b'access-control-allow-origin', b'*')
+
+  response.headers.set(b'content-type',
+                       request.GET.first(b'type', b'text/plain'))
+
+  response.status_code = 200
+  response.content = request.GET.first(b'body', '')
diff --git a/tests/wpt/tests/tools/manifest/manifest.py b/tests/wpt/tests/tools/manifest/manifest.py
index 959978f5283..e04872c6d53 100644
--- a/tests/wpt/tests/tools/manifest/manifest.py
+++ b/tests/wpt/tests/tools/manifest/manifest.py
@@ -25,7 +25,7 @@ from .sourcefile import SourceFile
 from .typedata import TypeData
 
 
-CURRENT_VERSION: int = 8
+CURRENT_VERSION: int = 9
 
 
 class ManifestError(Exception):
diff --git a/tests/wpt/tests/tools/manifest/tests/test_manifest.py b/tests/wpt/tests/tools/manifest/tests/test_manifest.py
index fc2314b8356..7511b21bc83 100644
--- a/tests/wpt/tests/tools/manifest/tests/test_manifest.py
+++ b/tests/wpt/tests/tools/manifest/tests/test_manifest.py
@@ -168,7 +168,7 @@ def test_manifest_to_json_forwardslash():
         assert m.update(tree) is True
 
     assert m.to_json() == {
-        'version': 8,
+        'version': 9,
         'url_base': '/',
         'items': {
             'testharness': {'a': {'b': [
@@ -306,7 +306,7 @@ def test_update_from_json_modified():
             (None, {'timeout': 'long', 'pac': 'proxy.pac'})
         ]}},
         'url_base': '/',
-        'version': 8
+        'version': 9
     }
 
 def test_manifest_spec_to_json():
@@ -326,7 +326,7 @@ def test_manifest_spec_to_json():
         assert m.update(tree, True, manifest.compute_manifest_spec_items) is True
 
     assert m.to_json() == {
-        'version': 8,
+        'version': 9,
         'url_base': '/',
         'items': {
             'spec': {'a': {'b': [
diff --git a/tests/wpt/tests/tools/serve/serve.py b/tests/wpt/tests/tools/serve/serve.py
index 9d1283ff3e8..497e2613db5 100644
--- a/tests/wpt/tests/tools/serve/serve.py
+++ b/tests/wpt/tests/tools/serve/serve.py
@@ -452,7 +452,7 @@ class ShadowRealmInWindowHandler(HtmlWrapperHandler):
 
   await fetch_tests_from_shadow_realm(r);
   done();
-})();
+})().catch(e => setup(() => { throw e; }));
 
 """
 
@@ -504,7 +504,7 @@ class ShadowRealmInShadowRealmHandler(HtmlWrapperHandler):
   `);
   await fetch_tests_from_shadow_realm(outer);
   done();
-})();
+})().catch(e => setup(() => { throw e; }));
 
 """
 
@@ -625,23 +625,27 @@ class ShadowRealmWorkerWrapperHandler(BaseWorkerHandler):
     wrapper = """%(meta)s
 importScripts("/resources/testharness-shadowrealm-outer.js");
 (async function() {
-  const r = new ShadowRealm();
-  await shadowRealmEvalAsync(r, `
-    await import("/resources/testharness-shadowrealm-inner.js");
-    await import("/resources/testharness.js");
-  `);
-  r.evaluate("setShadowRealmGlobalProperties")("%(query)s", fetchAdaptor);
-
-  await shadowRealmEvalAsync(r, `
-    %(script)s
-    await import("%(path)s");
-  `);
-
   const postMessageFunc = await getPostMessageFunc();
-  function forwardMessage(msgJSON) {
-    postMessageFunc(JSON.parse(msgJSON));
+  try {
+    const r = new ShadowRealm();
+    await shadowRealmEvalAsync(r, `
+      await import("/resources/testharness-shadowrealm-inner.js");
+      await import("/resources/testharness.js");
+    `);
+    r.evaluate("setShadowRealmGlobalProperties")("%(query)s", fetchAdaptor);
+
+    await shadowRealmEvalAsync(r, `
+      %(script)s
+      await import("%(path)s");
+    `);
+
+    function forwardMessage(msgJSON) {
+      postMessageFunc(JSON.parse(msgJSON));
+    }
+    r.evaluate('begin_shadow_realm_tests')(forwardMessage);
+  } catch (e) {
+    postMessageFunc(createSetupErrorResult(e));
   }
-  r.evaluate('begin_shadow_realm_tests')(forwardMessage);
 })();
 """
 
@@ -655,25 +659,29 @@ class ShadowRealmServiceWorkerWrapperHandler(BaseWorkerHandler):
 importScripts("/resources/testharness-shadowrealm-outer.js");
 
 (async function () {
-  const r = new ShadowRealm();
-  setupFakeDynamicImportInShadowRealm(r, fetchAdaptor);
-
-  await shadowRealmEvalAsync(r, `
-    await fakeDynamicImport("/resources/testharness-shadowrealm-inner.js");
-    await fakeDynamicImport("/resources/testharness.js");
-  `);
-  r.evaluate("setShadowRealmGlobalProperties")("%(query)s", fetchAdaptor);
-
-  await shadowRealmEvalAsync(r, `
-    %(script)s
-    await fakeDynamicImport("%(path)s");
-  `);
-
   const postMessageFunc = await getPostMessageFunc();
-  function forwardMessage(msgJSON) {
-    postMessageFunc(JSON.parse(msgJSON));
+  try {
+    const r = new ShadowRealm();
+    setupFakeDynamicImportInShadowRealm(r, fetchAdaptor);
+
+    await shadowRealmEvalAsync(r, `
+      await fakeDynamicImport("/resources/testharness-shadowrealm-inner.js");
+      await fakeDynamicImport("/resources/testharness.js");
+    `);
+    r.evaluate("setShadowRealmGlobalProperties")("%(query)s", fetchAdaptor);
+
+    await shadowRealmEvalAsync(r, `
+      %(script)s
+      await fakeDynamicImport("%(path)s");
+    `);
+
+    function forwardMessage(msgJSON) {
+      postMessageFunc(JSON.parse(msgJSON));
+    }
+    r.evaluate("begin_shadow_realm_tests")(forwardMessage);
+  } catch (e) {
+    postMessageFunc(createSetupErrorResult(e));
   }
-  r.evaluate("begin_shadow_realm_tests")(forwardMessage);
 })();
 """
 
@@ -685,26 +693,30 @@ class ShadowRealmAudioWorkletWrapperHandler(BaseWorkerHandler):
     path_replace = [(".any.audioworklet-shadowrealm.js", ".any.js")]
     wrapper = """%(meta)s
 TestRunner.prototype.createShadowRealmAndStartTests = async function() {
-  const queryPart = import.meta.url.split('?')[1];
-  const locationSearch = queryPart ? '?' + queryPart : '';
+  try {
+    const queryPart = import.meta.url.split('?')[1];
+    const locationSearch = queryPart ? '?' + queryPart : '';
 
-  const r = new ShadowRealm();
-  const adaptor = this.fetchOverPortExecutor.bind(this);
-  setupFakeDynamicImportInShadowRealm(r, adaptor);
+    const r = new ShadowRealm();
+    const adaptor = this.fetchOverPortExecutor.bind(this);
+    setupFakeDynamicImportInShadowRealm(r, adaptor);
 
-  await shadowRealmEvalAsync(r, `
-    await fakeDynamicImport("/resources/testharness-shadowrealm-inner.js");
-    await fakeDynamicImport("/resources/testharness.js");
-  `);
-  r.evaluate("setShadowRealmGlobalProperties")(locationSearch, adaptor);
+    await shadowRealmEvalAsync(r, `
+      await fakeDynamicImport("/resources/testharness-shadowrealm-inner.js");
+      await fakeDynamicImport("/resources/testharness.js");
+    `);
+    r.evaluate("setShadowRealmGlobalProperties")(locationSearch, adaptor);
 
-  await shadowRealmEvalAsync(r, `
-    %(script)s
-    await fakeDynamicImport("%(path)s");
-  `);
-  const forwardMessage = (msgJSON) =>
-    this.port.postMessage(JSON.parse(msgJSON));
-  r.evaluate("begin_shadow_realm_tests")(forwardMessage);
+    await shadowRealmEvalAsync(r, `
+      %(script)s
+      await fakeDynamicImport("%(path)s");
+    `);
+    const forwardMessage = (msgJSON) =>
+      this.port.postMessage(JSON.parse(msgJSON));
+    r.evaluate("begin_shadow_realm_tests")(forwardMessage);
+  } catch (e) {
+    this.port.postMessage(createSetupErrorResult(e));
+  }
 }
 """
 
diff --git a/tests/wpt/tests/tools/wpt/browser.py b/tests/wpt/tests/tools/wpt/browser.py
index 923bf9904f1..0ac1b982ed0 100644
--- a/tests/wpt/tests/tools/wpt/browser.py
+++ b/tests/wpt/tests/tools/wpt/browser.py
@@ -2374,17 +2374,34 @@ class WebKitTestRunner(Browser):
             return f.read().strip()
 
 
-class WebKitGTKMiniBrowser(WebKit):
+class WebKitGlibBaseMiniBrowser(WebKit):
+    """WebKitGTK and WPE MiniBrowser specific interface (base class)."""
+
+    # This class is not meant to be used directly.
+    # And the class variables below should be defined on the subclasses.
+    BASE_DOWNLOAD_URI = ""
+    PORT_PRETTY_NAME = ""
+    WEBDRIVER_BINARY_NAME = ""
+    LIBEXEC_SUBDIR_PREFIXES = [""]
+    product = ""
+
+    def __init__(self, *args, **kwargs):
+        if self.__class__.__name__ == "WebKitGlibBaseMiniBrowser":
+            raise RuntimeError("class WebKitGlibBaseMiniBrowser should not be used directly, but subclassed")
+        for required_class_var in ["BASE_DOWNLOAD_URI", "PORT_PRETTY_NAME", "WEBDRIVER_BINARY_NAME", "LIBEXEC_SUBDIR_PREFIXES", "product"]:
+            class_var_value = getattr(self, required_class_var, "")
+            if all(len(i) == 0 for i in class_var_value):
+                raise NotImplementedError('subclass "%s" should define class variable "%s"' % (self.__class__.__name__, required_class_var))
+        return super().__init__(*args, **kwargs)
 
     def download(self, dest=None, channel=None, rename=None):
-        base_dowload_uri = "https://webkitgtk.org/built-products/"
-        base_download_dir = base_dowload_uri + platform.machine() + "/release/" + channel + "/MiniBrowser/"
+        base_download_dir = self.BASE_DOWNLOAD_URI + platform.machine() + "/release/" + channel + "/MiniBrowser/"
         try:
             response = get(base_download_dir + "LAST-IS")
         except requests.exceptions.HTTPError as e:
             if e.response.status_code == 404:
-                raise RuntimeError("Can't find a WebKitGTK MiniBrowser %s bundle for %s at %s"
-                                   % (channel, platform.machine(), base_dowload_uri))
+                raise RuntimeError("Can't find a %s MiniBrowser %s bundle for %s at %s"
+                                   % (self.PORT_PRETTY_NAME, channel, platform.machine(), self.BASE_DOWNLOAD_URI))
             raise
 
         bundle_filename = response.text.strip()
@@ -2393,7 +2410,7 @@ class WebKitGTKMiniBrowser(WebKit):
         dest = self._get_browser_download_dir(dest, channel)
         bundle_file_path = os.path.join(dest, bundle_filename)
 
-        self.logger.info("Downloading WebKitGTK MiniBrowser bundle from %s" % bundle_url)
+        self.logger.info("Downloading %s MiniBrowser bundle from %s" % (self.PORT_PRETTY_NAME, bundle_url))
         with open(bundle_file_path, "w+b") as f:
             get_download_to_descriptor(f, bundle_url)
 
@@ -2405,13 +2422,13 @@ class WebKitGTKMiniBrowser(WebKit):
 
         if bundle_expected_hash != bundle_computed_hash:
             self.logger.error("Calculated SHA256 hash is %s but was expecting %s" % (bundle_computed_hash, bundle_expected_hash))
-            raise RuntimeError("The WebKitGTK MiniBrowser bundle at %s has incorrect SHA256 hash." % bundle_file_path)
+            raise RuntimeError("The %s MiniBrowser bundle at %s has incorrect SHA256 hash." % (self.PORT_PRETTY_NAME, bundle_file_path))
         return bundle_file_path
 
     def install(self, dest=None, channel=None, prompt=True):
         dest = self._get_browser_binary_dir(dest, channel)
         bundle_path = self.download(dest, channel)
-        bundle_uncompress_directory = os.path.join(dest, "webkitgtk_minibrowser")
+        bundle_uncompress_directory = os.path.join(dest, self.product)
 
         # Clean it from previous runs
         if os.path.exists(bundle_uncompress_directory):
@@ -2425,17 +2442,17 @@ class WebKitGTKMiniBrowser(WebKit):
             elif ".tar." in bundle_file_name:
                 untar(f, bundle_uncompress_directory)
             else:
-                raise NotImplementedError("Unable to install WebKitGTK MiniBrowser bundle from file:" % bundle_file_name)
+                raise NotImplementedError("Don't know how to install the file: %s" % bundle_file_name)
         os.remove(bundle_path)
 
-        for expected_binary in ["MiniBrowser", "WebKitWebDriver"]:
+        for expected_binary in ["MiniBrowser", self.WEBDRIVER_BINARY_NAME]:
             binary_path = os.path.join(bundle_uncompress_directory, expected_binary)
             if not (os.path.isfile(binary_path) and os.access(binary_path, os.X_OK)):
                 raise RuntimeError("Can't find a %s binary at %s" % (expected_binary, binary_path))
 
         minibrowser_path = os.path.join(bundle_uncompress_directory, "MiniBrowser")
         version_str = subprocess.check_output([minibrowser_path, "--version"]).decode("utf-8").strip()
-        self.logger.info("WebKitGTK MiniBrowser bundle for channel %s installed: %s" % (channel, version_str))
+        self.logger.info("%s MiniBrowser bundle for channel %s installed: %s" % (self.PORT_PRETTY_NAME, channel, version_str))
         install_ok_file = os.path.join(bundle_uncompress_directory, ".installation-ok")
         open(install_ok_file, "w").close()  # touch
         return minibrowser_path
@@ -2443,41 +2460,44 @@ class WebKitGTKMiniBrowser(WebKit):
     def _find_executable_in_channel_bundle(self, binary, venv_path=None, channel=None):
         if venv_path:
             venv_base_path = self._get_browser_binary_dir(venv_path, channel)
-            bundle_dir = os.path.join(venv_base_path, "webkitgtk_minibrowser")
+            bundle_dir = os.path.join(venv_base_path, self.product)
             install_ok_file = os.path.join(bundle_dir, ".installation-ok")
             if os.path.isfile(install_ok_file):
-                return which(binary, path=bundle_dir)
+                return shutil.which(binary, path=bundle_dir)
         return None
 
     def find_binary(self, venv_path=None, channel=None):
         minibrowser_path = self._find_executable_in_channel_bundle("MiniBrowser", venv_path, channel)
         if minibrowser_path:
+            self.logger.info("Found %s MiniBrowser %s at path: %s" % (self.PORT_PRETTY_NAME, channel, minibrowser_path))
             return minibrowser_path
 
+        # Find MiniBrowser on the system which is usually installed on the libexec dir
         triplet = "x86_64-linux-gnu"
         # Try to use GCC to detect this machine triplet
-        gcc = which("gcc")
+        gcc = shutil.which("gcc")
         if gcc:
             try:
                 triplet = call(gcc, "-dumpmachine").strip()
             except subprocess.CalledProcessError:
                 pass
-
-        versions = ["4.0", "4.1"]
-        libexecpaths = []
-
-        for version in versions:
-            # Fedora paths.
-            libexecpaths.append(f"/usr/libexec/webkit2gtk-{version}")
-            # Debian/Ubuntu paths
-            libexecpaths.append(f"/usr/lib/{triplet}/webkit2gtk-{version}")
-
-        return which("MiniBrowser", path=os.pathsep.join(libexecpaths))
+        for libexec_dir in ["/usr/libexec", f"/usr/lib/{triplet}", "/usr/lib"]:
+            if os.path.isdir(libexec_dir):
+                for libexec_entry in sorted(os.listdir(libexec_dir), reverse=True):
+                    for libexec_subdir_prefix in self.LIBEXEC_SUBDIR_PREFIXES:
+                        if libexec_entry.startswith(libexec_subdir_prefix):
+                            minibrowser_candidate_path = os.path.join(libexec_dir, libexec_entry, 'MiniBrowser')
+                            if os.path.isfile(minibrowser_candidate_path) and os.access(minibrowser_candidate_path, os.X_OK):
+                                self.logger.info("Found %s MiniBrowser at path: %s" % (self.PORT_PRETTY_NAME, minibrowser_candidate_path))
+                                return minibrowser_candidate_path
+        return None
 
     def find_webdriver(self, venv_path=None, channel=None):
-        webdriver_path = self._find_executable_in_channel_bundle("WebKitWebDriver", venv_path, channel)
+        webdriver_path = self._find_executable_in_channel_bundle(self.WEBDRIVER_BINARY_NAME, venv_path, channel)
         if not webdriver_path:
-            webdriver_path = which("WebKitWebDriver")
+            webdriver_path = shutil.which(self.WEBDRIVER_BINARY_NAME)
+        if webdriver_path:
+            self.logger.info("Found %s WebDriver at path: %s" % (self.PORT_PRETTY_NAME, webdriver_path))
         return webdriver_path
 
     def version(self, binary=None, webdriver_binary=None):
@@ -2489,7 +2509,7 @@ class WebKitGTKMiniBrowser(WebKit):
             return None
         # Example output: "WebKitGTK 2.26.1"
         if output:
-            m = re.match(r"WebKitGTK (.+)", output)
+            m = re.match(r"%s (.+)" % self.PORT_PRETTY_NAME, output)
             if not m:
                 self.logger.warning("Failed to extract version from: %s" % output)
                 return None
@@ -2497,6 +2517,26 @@ class WebKitGTKMiniBrowser(WebKit):
         return None
 
 
+class WebKitGTKMiniBrowser(WebKitGlibBaseMiniBrowser):
+    """WebKitGTK MiniBrowser specific interface."""
+
+    BASE_DOWNLOAD_URI = "https://webkitgtk.org/built-products/"
+    PORT_PRETTY_NAME = "WebKitGTK"
+    WEBDRIVER_BINARY_NAME = "WebKitWebDriver"
+    LIBEXEC_SUBDIR_PREFIXES = ["webkitgtk", "webkit2gtk"]
+    product = "webkitgtk_minibrowser"
+
+
+class WPEWebKitMiniBrowser(WebKitGlibBaseMiniBrowser):
+    """WPE WebKit MiniBrowser specific interface."""
+
+    BASE_DOWNLOAD_URI = "https://wpewebkit.org/built-products/"
+    PORT_PRETTY_NAME = "WPE WebKit"
+    WEBDRIVER_BINARY_NAME = "WPEWebDriver"
+    LIBEXEC_SUBDIR_PREFIXES = ["wpe-webkit"]
+    product = "wpewebkit_minibrowser"
+
+
 class Epiphany(Browser):
     """Epiphany-specific interface."""
 
diff --git a/tests/wpt/tests/tools/wpt/install.py b/tests/wpt/tests/tools/wpt/install.py
index 1e6408b0be6..e8f0a36a084 100644
--- a/tests/wpt/tests/tools/wpt/install.py
+++ b/tests/wpt/tests/tools/wpt/install.py
@@ -14,6 +14,7 @@ latest_channels = {
     'safari': 'preview',
     'servo': 'nightly',
     'webkitgtk_minibrowser': 'nightly',
+    'wpewebkit_minibrowser': 'nightly',
     'wktr': 'main',
 }
 
diff --git a/tests/wpt/tests/tools/wpt/run.py b/tests/wpt/tests/tools/wpt/run.py
index 9c6acbc2a46..ee854bda2f9 100644
--- a/tests/wpt/tests/tools/wpt/run.py
+++ b/tests/wpt/tests/tools/wpt/run.py
@@ -816,9 +816,8 @@ class WebKitTestRunner(BrowserSetup):
             kwargs["binary"] = binary
 
 
-class WebKitGTKMiniBrowser(BrowserSetup):
-    name = "webkitgtk_minibrowser"
-    browser_cls = browser.WebKitGTKMiniBrowser
+class WebKitGlibBaseMiniBrowser(BrowserSetup):
+    """ Base class for WebKitGTKMiniBrowser and WPEWebKitMiniBrowser """
 
     def install(self, channel=None):
         if self.prompt_install(self.name):
@@ -838,10 +837,25 @@ class WebKitGTKMiniBrowser(BrowserSetup):
                 venv_path=self.venv.path, channel=kwargs["browser_channel"])
 
             if webdriver_binary is None:
-                raise WptrunError("Unable to find WebKitWebDriver in PATH")
+                raise WptrunError('Unable to find "%s" binary in PATH' % self.browser_cls.WEBDRIVER_BINARY_NAME)
             kwargs["webdriver_binary"] = webdriver_binary
 
 
+class WebKitGTKMiniBrowser(WebKitGlibBaseMiniBrowser):
+    name = "webkitgtk_minibrowser"
+    browser_cls = browser.WebKitGTKMiniBrowser
+
+
+class WPEWebKitMiniBrowser(WebKitGlibBaseMiniBrowser):
+    name = "wpewebkit_minibrowser"
+    browser_cls = browser.WPEWebKitMiniBrowser
+
+    def setup_kwargs(self, kwargs):
+        if kwargs["headless"]:
+            kwargs["binary_args"].append("--headless")
+        super().setup_kwargs(kwargs)
+
+
 class Epiphany(BrowserSetup):
     name = "epiphany"
     browser_cls = browser.Epiphany
@@ -883,6 +897,7 @@ product_setup = {
     "webkit": WebKit,
     "wktr": WebKitTestRunner,
     "webkitgtk_minibrowser": WebKitGTKMiniBrowser,
+    "wpewebkit_minibrowser": WPEWebKitMiniBrowser,
     "epiphany": Epiphany,
     "ladybird": Ladybird,
 }
@@ -961,7 +976,7 @@ def setup_wptrunner(venv, **kwargs):
 
     if kwargs["install_browser"]:
         logger.info("Installing browser")
-        kwargs["binary"] = setup_cls.install(channel=channel)
+        kwargs["binary"] = setup_cls.install(channel=kwargs["browser_channel"])
 
     setup_cls.setup(kwargs)
 
diff --git a/tests/wpt/tests/tools/wpt/tests/test_browser.py b/tests/wpt/tests/tools/wpt/tests/test_browser.py
index 3a45dab16e2..692a3af374a 100644
--- a/tests/wpt/tests/tools/wpt/tests/test_browser.py
+++ b/tests/wpt/tests/tools/wpt/tests/test_browser.py
@@ -341,8 +341,9 @@ def test_webkitgtk_minibrowser_version(mocked_check_output):
     assert webkitgtk_minibrowser.version(binary='MiniBrowser') == '2.26.1'
 
     # nightly version
-    mocked_check_output.return_value = b'WebKitGTK 2.27.1 (r250823)\n'
-    assert webkitgtk_minibrowser.version(binary='MiniBrowser') == '2.27.1 (r250823)'
+    mocked_check_output.return_value = b'WebKitGTK 2.47.1 (286783@main)\n'
+    assert webkitgtk_minibrowser.version(binary='MiniBrowser') == '2.47.1 (286783@main)'
+
 
 @mock.patch('subprocess.check_output')
 def test_webkitgtk_minibrowser_version_errors(mocked_check_output):
@@ -365,33 +366,137 @@ def test_webkitgtk_minibrowser_version_errors(mocked_check_output):
 # on Windows only works if the binary name ends with a ".exe" suffix.
 # But, WebKitGTK itself doesn't support Windows, so lets skip the test.
 @pytest.mark.skipif(sys.platform.startswith('win'), reason='test not needed on Windows')
+@mock.patch('os.path.isdir', return_value=True)
 @mock.patch('os.access', return_value=True)
-@mock.patch('os.path.exists')
-def test_webkitgtk_minibrowser_find_binary(mocked_os_path_exists, _mocked_os_access):
+@mock.patch('shutil.which')
+@mock.patch('os.listdir')
+@mock.patch('os.path.isfile')
+def test_webkitgtk_minibrowser_find_binary(mocked_os_path_isfile, mocked_os_listdir, mocked_which, _mocked_os_access, _mocked_os_isdir):
     webkitgtk_minibrowser = browser.WebKitGTKMiniBrowser(logger)
 
-    # No MiniBrowser found
-    mocked_os_path_exists.side_effect = lambda path: path == '/etc/passwd'
+    # No WebKitGTK MiniBrowser found (WPE one shouldn't match)
+    mocked_os_path_isfile.side_effect = lambda path: path == '/usr/libexec/wpe-webkit-1.0/MiniBrowser'
+    mocked_os_listdir.side_effect = lambda contents: ['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0']
+    mocked_which.side_effect = lambda found: None
     assert webkitgtk_minibrowser.find_binary() is None
 
     # Found on the default Fedora path
     fedora_minibrowser_path = '/usr/libexec/webkit2gtk-4.0/MiniBrowser'
-    mocked_os_path_exists.side_effect = lambda path: path == fedora_minibrowser_path
+    mocked_os_path_isfile.side_effect = lambda path: path == fedora_minibrowser_path
+    mocked_os_listdir.side_effect = lambda contents: ['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0']
+    mocked_which.side_effect = lambda found: None
     assert webkitgtk_minibrowser.find_binary() == fedora_minibrowser_path
 
     # Found on the default Debian path for AMD64 (gcc not available)
     debian_minibrowser_path_amd64 = '/usr/lib/x86_64-linux-gnu/webkit2gtk-4.0/MiniBrowser'
-    mocked_os_path_exists.side_effect = lambda path: path == debian_minibrowser_path_amd64
+    mocked_os_path_isfile.side_effect = lambda path: path == debian_minibrowser_path_amd64
+    mocked_os_listdir.side_effect = lambda contents: ['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0']
+    mocked_which.side_effect = lambda found: None
     assert webkitgtk_minibrowser.find_binary() == debian_minibrowser_path_amd64
 
     # Found on the default Debian path for AMD64 (gcc available but gives an error)
     debian_minibrowser_path_amd64 = '/usr/lib/x86_64-linux-gnu/webkit2gtk-4.0/MiniBrowser'
-    mocked_os_path_exists.side_effect = lambda path: path in [debian_minibrowser_path_amd64, '/usr/bin/gcc']
+    mocked_os_path_isfile.side_effect = lambda path: path in [debian_minibrowser_path_amd64, '/usr/bin/gcc']
+    mocked_os_listdir.side_effect = lambda contents: ['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0']
+    mocked_which.side_effect = lambda found: '/usr/bin/gcc'
     with mock.patch('subprocess.check_output', return_value = b'error', side_effect = subprocess.CalledProcessError(1, 'cmd')):
         assert webkitgtk_minibrowser.find_binary() == debian_minibrowser_path_amd64
 
-        # Found on the default Debian path for ARM64 (gcc available)
-        debian_minibrowser_path_arm64 = '/usr/lib/aarch64-linux-gnu/webkit2gtk-4.0/MiniBrowser'
-        mocked_os_path_exists.side_effect = lambda path: path in [debian_minibrowser_path_arm64, '/usr/bin/gcc']
-        with mock.patch('subprocess.check_output', return_value = b'aarch64-linux-gnu'):
-            assert webkitgtk_minibrowser.find_binary() == debian_minibrowser_path_arm64
+    # Found on the default Debian path for ARM64 (gcc available)
+    debian_minibrowser_path_arm64 = '/usr/lib/aarch64-linux-gnu/webkit2gtk-4.0/MiniBrowser'
+    mocked_os_path_isfile.side_effect = lambda path: path in [debian_minibrowser_path_arm64, '/usr/bin/gcc']
+    mocked_os_listdir.side_effect = lambda contents: sorted(['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0'])
+    mocked_which.side_effect = lambda found: '/usr/bin/gcc'
+    with mock.patch('subprocess.check_output', return_value = b'aarch64-linux-gnu'):
+        assert webkitgtk_minibrowser.find_binary() == debian_minibrowser_path_arm64
+
+    # Find first the MiniBrowser on the directory with the higher number in case two available
+    mocked_os_path_isfile.side_effect = lambda path: True
+    mocked_os_listdir.side_effect = lambda contents: ['wpe-webkit-1.0', 'webkitgtk-6.0', 'webkit2gtk-4.0']
+    mocked_which.side_effect = lambda found: None
+    assert webkitgtk_minibrowser.find_binary() == '/usr/libexec/webkitgtk-6.0/MiniBrowser'
+
+
+@mock.patch('subprocess.check_output')
+def test_wpewebkit_minibrowser_version(mocked_check_output):
+    wpewebkit_minibrowser = browser.WPEWebKitMiniBrowser(logger)
+
+    # stable version
+    mocked_check_output.return_value = b'WPE WebKit 2.26.1\n'
+    assert wpewebkit_minibrowser.version(binary='MiniBrowser') == '2.26.1'
+
+    # nightly version
+    mocked_check_output.return_value = b'WPE WebKit 2.47.1 (286783@main)\n'
+    assert wpewebkit_minibrowser.version(binary='MiniBrowser') == '2.47.1 (286783@main)'
+
+
+@mock.patch('subprocess.check_output')
+def test_wpewebkit_minibrowser_version_errors(mocked_check_output):
+    wpewebkit_minibrowser = browser.WPEWebKitMiniBrowser(logger)
+
+    # No binary
+    assert wpewebkit_minibrowser.version() is None
+
+    # `MiniBrowser --version` return gibberish
+    mocked_check_output.return_value = b'gibberish'
+    assert wpewebkit_minibrowser.version(binary='MiniBrowser') is None
+
+    # `MiniBrowser --version` fails (as it does for MiniBrowser <= 2.26.0)
+    mocked_check_output.return_value = b'dummy'
+    mocked_check_output.side_effect = subprocess.CalledProcessError(1, 'cmd')
+    assert wpewebkit_minibrowser.version(binary='MiniBrowser') is None
+
+
+# The test below doesn't work on Windows because find_binary()
+# on Windows only works if the binary name ends with a ".exe" suffix.
+# But, WPE WebKit itself doesn't support Windows, so lets skip the test.
+@pytest.mark.skipif(sys.platform.startswith('win'), reason='test not needed on Windows')
+@mock.patch('os.path.isdir', return_value=True)
+@mock.patch('os.access', return_value=True)
+@mock.patch('shutil.which')
+@mock.patch('os.listdir')
+@mock.patch('os.path.isfile')
+def test_wpewebkit_minibrowser_find_binary(mocked_os_path_isfile, mocked_os_listdir, mocked_which, _mocked_os_access, _mocked_os_isdir):
+    wpewebkit_minibrowser = browser.WPEWebKitMiniBrowser(logger)
+
+    # No WPE MiniBrowser found (WebKitGTK one shouldn't match)
+    mocked_os_path_isfile.side_effect = lambda path: path == '/usr/libexec/wpewebkit-6.0/MiniBrowser'
+    mocked_os_listdir.side_effect = lambda contents: ['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-1.0']
+    mocked_which.side_effect = lambda found: None
+    assert wpewebkit_minibrowser.find_binary() is None
+
+    # Found on the default Arch path
+    arch_minibrowser_path = '/usr/lib/wpe-webkit-1.0/MiniBrowser'
+    mocked_os_path_isfile.side_effect = lambda path: path == arch_minibrowser_path
+    mocked_os_listdir.side_effect = lambda contents: ['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-1.0']
+    mocked_which.side_effect = lambda found: None
+    assert wpewebkit_minibrowser.find_binary() == arch_minibrowser_path
+
+    # Found on the default Debian path for AMD64 (gcc not available)
+    debian_minibrowser_path_amd64 = '/usr/lib/x86_64-linux-gnu/wpe-webkit-1.0/MiniBrowser'
+    mocked_os_path_isfile.side_effect = lambda path: path == debian_minibrowser_path_amd64
+    mocked_os_listdir.side_effect = lambda contents: ['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-1.0']
+    mocked_which.side_effect = lambda found: None
+    assert wpewebkit_minibrowser.find_binary() == debian_minibrowser_path_amd64
+
+    # Found on the default Debian path for AMD64 (gcc available but gives an error)
+    debian_minibrowser_path_amd64 = '/usr/lib/x86_64-linux-gnu/wpe-webkit-1.0/MiniBrowser'
+    mocked_os_path_isfile.side_effect = lambda path: path in [debian_minibrowser_path_amd64, '/usr/bin/gcc']
+    mocked_os_listdir.side_effect = lambda contents: ['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-1.0']
+    mocked_which.side_effect = lambda found: '/usr/bin/gcc'
+    with mock.patch('subprocess.check_output', return_value = b'error', side_effect = subprocess.CalledProcessError(1, 'cmd')):
+        assert wpewebkit_minibrowser.find_binary() == debian_minibrowser_path_amd64
+
+    # Found on the default Debian path for ARM64 (gcc available)
+    debian_minibrowser_path_arm64 = '/usr/lib/aarch64-linux-gnu/wpe-webkit-1.0/MiniBrowser'
+    mocked_os_path_isfile.side_effect = lambda path: path in [debian_minibrowser_path_arm64, '/usr/bin/gcc']
+    mocked_os_listdir.side_effect = lambda contents: ['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-1.0']
+    mocked_which.side_effect = lambda found: '/usr/bin/gcc'
+    with mock.patch('subprocess.check_output', return_value = b'aarch64-linux-gnu'):
+        assert wpewebkit_minibrowser.find_binary() == debian_minibrowser_path_arm64
+
+    # Find first the MiniBrowser on the directory with the higher number in case two available
+    mocked_os_path_isfile.side_effect = lambda path: True
+    mocked_os_listdir.side_effect = lambda contents: sorted(['wpewebkit-6.0', 'webkit2gtk-4.0', 'wpe-webkit-2.0', 'wpe-webkit-1.0'])
+    mocked_which.side_effect = lambda found: None
+    assert wpewebkit_minibrowser.find_binary() == '/usr/libexec/wpe-webkit-2.0/MiniBrowser'
diff --git a/tests/wpt/tests/tools/wpt/tests/test_testfiles.py b/tests/wpt/tests/tools/wpt/tests/test_testfiles.py
index 790ee70a638..7685a5ce474 100644
--- a/tests/wpt/tests/tools/wpt/tests/test_testfiles.py
+++ b/tests/wpt/tests/tools/wpt/tests/test_testfiles.py
@@ -34,7 +34,7 @@ def test_affected_testfiles():
             }
         },
         "url_base": "/",
-        "version": 8,
+        "version": 9,
     }
     manifest = Manifest.from_json("/", manifest_json)
     with patch("tools.wpt.testfiles.load_manifest", return_value=manifest):
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/__init__.py b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/__init__.py
index aaf91a1dc86..c27ae7281dc 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/__init__.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/__init__.py
@@ -38,6 +38,7 @@ product_list = ["android_webview",
                 "opera",
                 "webkit",
                 "webkitgtk_minibrowser",
+                "wpewebkit_minibrowser",
                 "wktr",
                 "epiphany",
                 "ladybird"]
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/wpewebkit_minibrowser.py b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/wpewebkit_minibrowser.py
new file mode 100644
index 00000000000..80f5acce1c5
--- /dev/null
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/wpewebkit_minibrowser.py
@@ -0,0 +1,77 @@
+# mypy: allow-untyped-defs
+
+from .base import (NullBrowser,  # noqa: F401
+                   certificate_domain_list,
+                   get_timeout_multiplier,  # noqa: F401
+                   maybe_add_args)
+from .webkit import WebKitBrowser
+from ..executors import executor_kwargs as base_executor_kwargs
+from ..executors.base import WdspecExecutor  # noqa: F401
+from ..executors.executorwebdriver import (WebDriverTestharnessExecutor,  # noqa: F401
+                                           WebDriverRefTestExecutor,  # noqa: F401
+                                           WebDriverCrashtestExecutor)  # noqa: F401
+
+__wptrunner__ = {"product": "wpewebkit_minibrowser",
+                 "check_args": "check_args",
+                 "browser": "WPEWebKitMiniBrowser",
+                 "browser_kwargs": "browser_kwargs",
+                 "executor": {"testharness": "WebDriverTestharnessExecutor",
+                              "reftest": "WebDriverRefTestExecutor",
+                              "wdspec": "WdspecExecutor",
+                              "crashtest": "WebDriverCrashtestExecutor"},
+                 "executor_kwargs": "executor_kwargs",
+                 "env_extras": "env_extras",
+                 "env_options": "env_options",
+                 "run_info_extras": "run_info_extras",
+                 "timeout_multiplier": "get_timeout_multiplier"}
+
+
+def check_args(**kwargs):
+    pass
+
+
+def browser_kwargs(logger, test_type, run_info_data, config, **kwargs):
+    # Workaround for https://gitlab.gnome.org/GNOME/libsoup/issues/172
+    webdriver_required_args = ["--host=127.0.0.1"]
+    webdriver_args = maybe_add_args(webdriver_required_args, kwargs.get("webdriver_args"))
+    return {"binary": kwargs["binary"],
+            "webdriver_binary": kwargs["webdriver_binary"],
+            "webdriver_args": webdriver_args}
+
+
+def capabilities(server_config, **kwargs):
+    browser_required_args = ["--automation"]
+    args = kwargs.get("binary_args", [])
+    args = maybe_add_args(browser_required_args, args)
+    return {
+        "browserName": "MiniBrowser",
+        "wpe:browserOptions": {
+            "binary": kwargs["binary"],
+            "args": args,
+            "certificates": certificate_domain_list(server_config.domains_set, kwargs["host_cert_path"])}}
+
+
+def executor_kwargs(logger, test_type, test_environment, run_info_data,
+                    **kwargs):
+    executor_kwargs = base_executor_kwargs(test_type, test_environment, run_info_data, **kwargs)
+    executor_kwargs["close_after_done"] = True
+    executor_kwargs["capabilities"] = capabilities(test_environment.config, **kwargs)
+    if test_type == "wdspec":
+        executor_kwargs["binary_args"] = executor_kwargs["capabilities"]["wpe:browserOptions"]["args"]
+    return executor_kwargs
+
+
+def env_extras(**kwargs):
+    return []
+
+
+def env_options():
+    return {}
+
+
+def run_info_extras(logger, **kwargs):
+    return {"webkit_port": "wpe"}
+
+
+class WPEWebKitMiniBrowser(WebKitBrowser):
+    pass
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/executors/base.py b/tests/wpt/tests/tools/wptrunner/wptrunner/executors/base.py
index 1dba97d9476..aef33574938 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/executors/base.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/executors/base.py
@@ -462,19 +462,19 @@ class RefTestImplementation:
                                                           lhs_screenshots,
                                                           rhs_screenshots)):
             comparison_screenshots = (lhs_screenshot, rhs_screenshot)
-            if not fuzzy or fuzzy == ((0, 0), (0, 0)):
-                equal = lhs_hash == rhs_hash
-                # sometimes images can have different hashes, but pixels can be identical.
-                if not equal:
-                    self.logger.info("Image hashes didn't match%s, checking pixel differences" %
-                                     ("" if len(hashes) == 1 else " on page %i" % (page_idx + 1)))
-                    max_per_channel, pixels_different = self.get_differences(comparison_screenshots,
-                                                                             urls)
-                    equal = pixels_different == 0 and max_per_channel == 0
+            if lhs_hash == rhs_hash:
+                max_per_channel, pixels_different = 0, 0
             else:
+                # sometimes images can have different hashes, but pixels can be identical.
+                self.logger.info("Image hashes didn't match%s, checking pixel differences" %
+                                 ("" if len(hashes) == 1 else " on page %i" % (page_idx + 1)))
                 max_per_channel, pixels_different = self.get_differences(comparison_screenshots,
                                                                          urls,
                                                                          page_idx if len(hashes) > 1 else None)
+
+            if not fuzzy or fuzzy == ((0, 0), (0, 0)):
+                equal = pixels_different == 0 and max_per_channel == 0
+            else:
                 allowed_per_channel, allowed_different = fuzzy
                 self.logger.info("Allowed %s pixels different, maximum difference per channel %s" %
                                  ("-".join(str(item) for item in allowed_different),
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_testloader.py b/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_testloader.py
index 0915f42381e..4555fb79661 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_testloader.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_testloader.py
@@ -54,7 +54,7 @@ def manifest():
             }
         },
         "url_base": "/",
-        "version": 8,
+        "version": 9,
     }
     return WPTManifest.from_json("/", manifest_json)
 
@@ -77,7 +77,7 @@ def test_loader_h2_tests():
             }
         },
         "url_base": "/",
-        "version": 8,
+        "version": 9,
     }
     manifest = WPTManifest.from_json("/", manifest_json)
     subsuites = {}
@@ -228,7 +228,7 @@ def test_loader_filter_tags():
             }
         },
         "url_base": "/",
-        "version": 8,
+        "version": 9,
     }
     manifest = WPTManifest.from_json("/", manifest_json)
 
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_wptrunner.py b/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_wptrunner.py
index 3c9a0bc1fd4..4e0e7abc937 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_wptrunner.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/tests/test_wptrunner.py
@@ -26,7 +26,7 @@ def test_get_pause_after_test():  # type: ignore
             }
         },
         "url_base": "/",
-        "version": 8,
+        "version": 9,
     }
 
     kwargs = {
diff --git a/tests/wpt/tests/trusted-types/Document-write-appending-line-feed.html b/tests/wpt/tests/trusted-types/Document-write-appending-line-feed.html
new file mode 100644
index 00000000000..d5d1acbda7a
--- /dev/null
+++ b/tests/wpt/tests/trusted-types/Document-write-appending-line-feed.html
@@ -0,0 +1,76 @@
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-none.html b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-none.html
index 48c75937ead..badaf989eb7 100644
--- a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-none.html
+++ b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-none.html
@@ -5,15 +5,41 @@
 
 
 
diff --git a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.html b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.html
index a564f9553f4..979de1e8145 100644
--- a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.html
+++ b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.html
@@ -3,25 +3,63 @@
 
 
 
-
+
 
 
diff --git a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.html b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.html
deleted file mode 100644
index 35870926dc6..00000000000
--- a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.html
+++ /dev/null
@@ -1,23 +0,0 @@
-
-
-
-
-
-
-
diff --git a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-getAttributeType-event-handler-content-attributes.tentative.html b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-getAttributeType-event-handler-content-attributes.tentative.html
index efdcf265622..d8e82ab642b 100644
--- a/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-getAttributeType-event-handler-content-attributes.tentative.html
+++ b/tests/wpt/tests/trusted-types/TrustedTypePolicyFactory-getAttributeType-event-handler-content-attributes.tentative.html
@@ -10,7 +10,7 @@
 
 
diff --git a/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-innerHTML.html b/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-innerHTML.html
new file mode 100644
index 00000000000..4b32db16581
--- /dev/null
+++ b/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-innerHTML.html
@@ -0,0 +1,79 @@
+
+
+
+  
+  
+  
+
+  
+
+
+

+
+
+
diff --git a/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-setHTMLUnsafe.html b/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-setHTMLUnsafe.html
index a76543b3f68..f61de6891f3 100644
--- a/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-setHTMLUnsafe.html
+++ b/tests/wpt/tests/trusted-types/block-string-assignment-to-ShadowRoot-setHTMLUnsafe.html
@@ -12,9 +12,13 @@
 

 
 
diff --git a/tests/wpt/tests/trusted-types/default-policy-callback-arguments.html b/tests/wpt/tests/trusted-types/default-policy-callback-arguments.html
index 9b07be00261..3e591bd63b1 100644
--- a/tests/wpt/tests/trusted-types/default-policy-callback-arguments.html
+++ b/tests/wpt/tests/trusted-types/default-policy-callback-arguments.html
@@ -47,7 +47,7 @@
       [ "about:blank", "TrustedScriptURL", "HTMLScriptElement src",
           _ => script.src = "about:blank" ],
       [ "2+2", "TrustedScript", "eval", _ => eval("2+2") ],
-      [ "(function anonymous(\n) {\nreturn 2+2\n})", "TrustedScript",
+      [ "function anonymous(\n) {\nreturn 2+2\n}", "TrustedScript",
         "Function", _ => new Function("return 2+2") ],
     ];
     for (var tc of cases) {
diff --git a/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy-mutate.html b/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy-mutate.html
index f7909a32a6e..b885b4f4de7 100644
--- a/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy-mutate.html
+++ b/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy-mutate.html
@@ -21,4 +21,20 @@
   test(t => {
     assert_throws_js(EvalError, _ => new Function('return 1+1'));
   }, "Function constructor with string where default policy mutates value throws.");
+
+  const AsyncFunction = async function() {}.constructor;
+  const GeneratorFunction = function*() {}.constructor;
+  const AsyncGeneratorFunction = async function*() {}.constructor;
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new AsyncFunction('return 1+1'));
+  }, "AsyncFunction constructor with string where default policy mutates value throws.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new GeneratorFunction('return 1+1'));
+  }, "GeneratorFunction constructor with string where default policy mutates value throws.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new AsyncGeneratorFunction('return 1+1'));
+  }, "AsyncGeneratorFunction constructor with string where default policy mutates value throws.");
 
\ No newline at end of file
diff --git a/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy.html b/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy.html
index 4ca9c562f50..fe4deb16d59 100644
--- a/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy.html
+++ b/tests/wpt/tests/trusted-types/eval-csp-tt-default-policy.html
@@ -8,7 +8,18 @@
 
 
 
 
diff --git a/tests/wpt/tests/trusted-types/eval-csp-tt-no-default-policy.html b/tests/wpt/tests/trusted-types/eval-csp-tt-no-default-policy.html
index c4e5d0911ac..06ebbfb05d0 100644
--- a/tests/wpt/tests/trusted-types/eval-csp-tt-no-default-policy.html
+++ b/tests/wpt/tests/trusted-types/eval-csp-tt-no-default-policy.html
@@ -40,5 +40,33 @@
   test(t => {
     assert_throws_js(EvalError, _ => new Function('return 1+1')());
   }, "Function constructor of string fails.");
+
+  test(t => {
+    assert_equals(new Function(p.createScript('val'),p.createScript('return val+1'))(1), 2);
+  }, "Function constructor of all TrustedScripts works.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new Function('val', 'return val+1')(1));
+  }, "Function constructor of all strings fails.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new Function('val', p.createScript('return val+1'))(1));
+  }, "Function constructor of string and TrustedScript fails.");;
+
+  const AsyncFunction = async function() {}.constructor;
+  const GeneratorFunction = function*() {}.constructor;
+  const AsyncGeneratorFunction = async function*() {}.constructor;
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new AsyncFunction('return 1+1')());
+  }, "AsyncFunction constructor of string fails.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new GeneratorFunction('return 1+1')());
+  }, "GeneratorFunction constructor of string fails.");
+
+  test(t => {
+    assert_throws_js(EvalError, _ => new AsyncGeneratorFunction('return 1+1')());
+  }, "AsyncGeneratorFunction constructor of string fails.");
 
 
diff --git a/tests/wpt/tests/trusted-types/eval-function-constructor-untrusted-arguments-and-applying-default-policy.html b/tests/wpt/tests/trusted-types/eval-function-constructor-untrusted-arguments-and-applying-default-policy.html
new file mode 100644
index 00000000000..8d1f498d058
--- /dev/null
+++ b/tests/wpt/tests/trusted-types/eval-function-constructor-untrusted-arguments-and-applying-default-policy.html
@@ -0,0 +1,61 @@
+
+
+
+  
+  
+  
+  
+
+
+
diff --git a/tests/wpt/tests/trusted-types/eval-function-constructor.html b/tests/wpt/tests/trusted-types/eval-function-constructor.html
index a20bc4a78db..1ad0fc7e680 100644
--- a/tests/wpt/tests/trusted-types/eval-function-constructor.html
+++ b/tests/wpt/tests/trusted-types/eval-function-constructor.html
@@ -1,8 +1,11 @@
 
 
 
-  
-  
+  
+  
+  
+  
   
 
@@ -12,30 +15,74 @@
   const args = ["a", "b", "c = 5", "return (a+b)*c;"];
   const arg_max = 2 ** args.length -1;
 
-  // Call 'new Function(...args)', but with a subet of args being Strings,
+  const AsyncFunction = async function() {}.constructor;
+  const GeneratorFunction = function*() {}.constructor;
+  const AsyncGeneratorFunction = async function*() {}.constructor;
+
+  // Call 'new Function(...args)', but with a subset of args being Strings,
   // and a subset being TrustedScript. We use a bitmask to determine which
   // argument gets to be trusted or not.
-  function new_function_with_maybe_trusted_args(mask) {
+  function new_function_with_maybe_trusted_args(mask, type) {
     let maybe_trusted_args = args.map((value, arg_nr) => {
       return (mask & (2**arg_nr)) ? policy.createScript(value) : value;
     });
-    return new Function(...maybe_trusted_args);
+    switch (type) {
+      case "Function":
+        return new Function(...maybe_trusted_args);
+      case "AsyncFunction":
+        return new AsyncFunction(...maybe_trusted_args);
+      case "GeneratorFunction":
+        return new GeneratorFunction(...maybe_trusted_args);
+      case "AsyncGeneratorFunction":
+        return new AsyncGeneratorFunction(...maybe_trusted_args);
+    }
   }
 
   // Generate all combinations of String/TrustedScript, except for the one
-  // where all argumentes are TrustedScript.
+  // where all arguments are TrustedScript. The first String argument will set
+  // isTrusted=false in EnsureCSPDoesNotBlockStringCompilation and so
+  // "Get Trusted Type compliant string" will be executed on the function text.
   for (let mask = 0; mask < arg_max; mask++) {
     test(t => {
       assert_throws_js(EvalError,
-                       _ => new_function_with_maybe_trusted_args(mask));
+                       _ => new_function_with_maybe_trusted_args(mask, "Function"));
     }, "Function constructor with mixed plain and trusted strings, mask #" + mask);
+    test(t => {
+      assert_throws_js(EvalError,
+                       _ => new_function_with_maybe_trusted_args(mask, "AsyncFunction"));
+    }, "AsyncFunction constructor with mixed plain and trusted strings, mask #" + mask);
+    test(t => {
+      assert_throws_js(EvalError,
+                       _ => new_function_with_maybe_trusted_args(mask, "GeneratorFunction"));
+    }, "GeneratorFunction constructor with mixed plain and trusted strings, mask #" + mask);
+    test(t => {
+      assert_throws_js(EvalError,
+                       _ => new_function_with_maybe_trusted_args(mask, "AsyncGeneratorFunction"));
+    }, "AsyncGeneratorFunction constructor with mixed plain and trusted strings, mask #" + mask);
   }
 
-  // Now do one with all trusted arguments.
+  // Now do one with all trusted arguments. In that case, isTrusted=true in
+  // EnsureCSPDoesNotBlockStringCompilation and the function is built without
+  // error.
   test(t => {
-    const f = new_function_with_maybe_trusted_args(arg_max);
+    const f = new_function_with_maybe_trusted_args(arg_max, "Function");
     assert_equals(f(1,2,3), 9);
     assert_equals(f(1,2), 15);
-  }, "Function constructor with mixed plain and trusted strings, mask #" + arg_max);
+  }, `Function constructor with mixed plain and trusted strings, mask #${arg_max}`);
+
+  // Similarly wrap all args in TrustedScript objects, but forges the toString()
+  // method at one index so that it adds extra leading/trailing space compared
+  // to the trusted data. This string mismatch also lead to isTrusted=false in
+  // EnsureCSPDoesNotBlockStringCompilation.
+  args.forEach((_, index) => {
+    test(t => {
+      let mixed_args = args.map((arg_value, arg_index) => {
+        let obj = policy.createScript(arg_value);
+        return arg_index == index ?
+          Object.assign(obj, { toString: () => ` ${arg_value} ` }) : obj;
+      });
+      assert_throws_js(EvalError, _ => new Function(...mixed_args));
+    }, `Function constructor with trusted strings, and a forged toString() for the one at index ${index}`);
+  });
 
 
diff --git a/tests/wpt/tests/trusted-types/eval-no-csp-no-tt.html b/tests/wpt/tests/trusted-types/eval-no-csp-no-tt.html
index 3f9799864d4..8fc8a89ca68 100644
--- a/tests/wpt/tests/trusted-types/eval-no-csp-no-tt.html
+++ b/tests/wpt/tests/trusted-types/eval-no-csp-no-tt.html
@@ -37,8 +37,20 @@
     assert_equals(new Function(p.createScript('return 1+1'))(), 2);
   }, "Function constructor of TrustedScript works.");
 
+  test(t => {
+    assert_equals(new Function(p.createScript('val'),p.createScript('return val+1'))(1), 2);
+  }, "Function constructor of all TrustedScripts works.");
+
   test(t => {
     assert_equals(new Function('return 1+1')(), 2);
   }, "Function constructor of string works.");
+
+  test(t => {
+    assert_equals(new Function('val', 'return val+1')(1), 2);
+  }, "Function constructor of all strings works.");
+
+  test(t => {
+    assert_equals(new Function('val', p.createScript('return val+1'))(1), 2);
+  }, "Function constructor of string and TrustedScript works.");
 
 
diff --git a/tests/wpt/tests/trusted-types/modify-attributes-in-callback.html b/tests/wpt/tests/trusted-types/modify-attributes-in-callback.html
index 4f94e088722..66d28d6d600 100644
--- a/tests/wpt/tests/trusted-types/modify-attributes-in-callback.html
+++ b/tests/wpt/tests/trusted-types/modify-attributes-in-callback.html
@@ -12,11 +12,13 @@
   // This is a regression test for https://g-issues.chromium.org/issues/333739948
   // The test should hold true for any browser that supports Trusted Types.
 
-  let target = "data-x";
+  let iframeAttributeRemovedInCallback = null;
   trustedTypes.createPolicy("default", {
     createHTML: (s, _, sink) => {
-      assert_equals(sink, 'HTMLIFrameElement srcdoc');
-      iframe.removeAttribute(target);
+      if (iframeAttributeRemovedInCallback) {
+        assert_equals(sink, 'HTMLIFrameElement srcdoc');
+        iframe.removeAttribute(iframeAttributeRemovedInCallback);
+      }
       return s;
     },
     createScript: (s) => {
@@ -29,8 +31,16 @@
     }
   });
 
+  function cleanUpIFrameTest() {
+    iframeAttributeRemovedInCallback = null;
+    iframe.setAttribute("srcdoc", "content");
+    iframe.setAttribute("data-x", "");
+  }
+
   test(t => {
     // Original bug report: Delete an attribute *before* the current one.
+    t.add_cleanup(cleanUpIFrameTest);
+    iframeAttributeRemovedInCallback = "data-x";
     assert_equals(iframe.srcdoc, "content");
     assert_equals(iframe.getAttribute("onmouseover"), "");
     iframe.setAttribute("srcdoc", "alert(1)");
@@ -40,31 +50,55 @@
 
   test(t => {
     // Second case: Delete the exact attribute. It still gets set.
-    target = "srcdoc";
-    assert_equals(iframe.srcdoc, "alert(1)");
+    t.add_cleanup(cleanUpIFrameTest);
+    iframeAttributeRemovedInCallback = "srcdoc";
+    assert_equals(iframe.srcdoc, "content");
     iframe.setAttribute("srcdoc", "new srcdoc value");
     assert_equals(iframe.srcdoc, "new srcdoc value");
   }, "Ensure the deleted attributes is modified.");
 
   test(t => {
-    div.toggleAttribute('onmouseover');
-    assert_equals(div.attributes.length, 2);
-    assert_equals(div.attributes.onmouseover.value, '');
+    t.add_cleanup(cleanUpIFrameTest);
+    iframeAttributeRemovedInCallback = "data-x";
+    assert_equals(iframe.srcdoc, "content");
+    assert_equals(iframe.getAttribute("onmouseover"), "");
+    iframe.setAttributeNS(null, "srcdoc", "alert(1)");
+    assert_equals(iframe.srcdoc, "alert(1)");
+    assert_equals(iframe.getAttribute("onmouseover"), "");
+  }, "Ensure the right attributes are modified (setAttributeNS).");
+
+  test(t => {
+    t.add_cleanup(cleanUpIFrameTest);
+    iframeAttributeRemovedInCallback = "srcdoc";
+    assert_equals(iframe.srcdoc, "content");
+    iframe.setAttributeNS(null, "srcdoc", "new srcdoc value");
+    assert_equals(iframe.srcdoc, "new srcdoc value");
+  }, "Ensure the deleted attributes is modified (setAttributeNS).");
+
+  function cleanUpDivTest() {
     div.removeAttribute('onmouseover');
+  }
+  const expectedAttributeCount = 2; // id and onmouseover.
+
+  test(t => {
+    t.add_cleanup(cleanUpDivTest);
+    div.toggleAttribute('onmouseover');
+    assert_equals(div.attributes.length, expectedAttributeCount);
+    assert_equals(div.attributes.onmouseover.value, '');
   }, "Ensure toggleAttribute results in an empty attribute.");
 
   test(t => {
+    t.add_cleanup(cleanUpDivTest);
     div.setAttribute('onmouseover', 'foo');
-    assert_equals(div.attributes.length, 2);
+    assert_equals(div.attributes.length, expectedAttributeCount);
     assert_equals(div.attributes.onmouseover.value, 'foo');
-    div.removeAttribute('onmouseover');
   }, "Ensure setAttribute results in right attribute value.");
 
   test(t => {
+    t.add_cleanup(cleanUpDivTest);
     div.setAttributeNS(null, 'onmouseover', 'foo');
-    assert_equals(div.attributes.length, 2);
+    assert_equals(div.attributes.length, expectedAttributeCount);
     assert_equals(div.attributes.onmouseover.value, 'foo');
-    div.removeAttribute('onmouseover');
   }, "Ensure setAttributeNS results in right attribute value.");
 
 
diff --git a/tests/wpt/tests/url/idlharness-shadowrealm.window.js b/tests/wpt/tests/url/idlharness-shadowrealm.window.js
deleted file mode 100644
index b090371e3c3..00000000000
--- a/tests/wpt/tests/url/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["url"], []);
diff --git a/tests/wpt/tests/url/idlharness.any.js b/tests/wpt/tests/url/idlharness.any.js
index 4a0e52f12b3..c0642729c0b 100644
--- a/tests/wpt/tests/url/idlharness.any.js
+++ b/tests/wpt/tests/url/idlharness.any.js
@@ -1,5 +1,6 @@
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
+// META: global=window,dedicatedworker,shadowrealm-in-window
 
 idl_test(
   ['url'],
diff --git a/tests/wpt/tests/url/resources/toascii.json b/tests/wpt/tests/url/resources/toascii.json
index d02c4c7e866..6445db80e3c 100644
--- a/tests/wpt/tests/url/resources/toascii.json
+++ b/tests/wpt/tests/url/resources/toascii.json
@@ -1,5 +1,6 @@
 [
-  "This resource is focused on highlighting issues with UTS #46 ToASCII",
+  "This contains assorted IDNA tests that IdnaTestV2 might not cover.",
+  "Feel free to deduplicate with a clear commit message.",
   {
     "comment": "Label with hyphens in 3rd and 4th position",
     "input": "aa--",
@@ -198,5 +199,175 @@
   {
     "input": ">\u00AD\u0338",
     "output": "xn--hdh"
+  },
+  "Tests below are from WebKit (fast/url/idna2003.html & fast/url/idna2008.html; contributed by Chris Weber back in 2011).",
+  {
+    "input": "fa\u00DF.de",
+    "output": "xn--fa-hia.de"
+  },
+  {
+    "input": "\u03B2\u03CC\u03BB\u03BF\u03C2.com",
+    "output": "xn--nxasmm1c.com"
+  },
+  {
+    "input": "\u0DC1\u0DCA\u200D\u0DBB\u0DD3.com",
+    "output": "xn--10cl1a0b660p.com"
+  },
+  {
+    "input": "\u0646\u0627\u0645\u0647\u200C\u0627\u06CC.com",
+    "output": "xn--mgba3gch31f060k.com"
+  },
+  {
+    "input": "www.loo\u0138out.net",
+    "output": "www.xn--looout-5bb.net"
+  },
+  {
+    "input": "\u15EF\u15EF\u15EF.lookout.net",
+    "output": "xn--1qeaa.lookout.net"
+  },
+  {
+    "input": "www.lookout.\u0441\u043E\u043C",
+    "output": "www.lookout.xn--l1adi"
+  },
+  {
+    "input": "www\u2025lookout.net",
+    "output": null
+  },
+  {
+    "input": "www.lookout\u2027net",
+    "output": "www.xn--lookoutnet-406e"
+  },
+  {
+    "input": "www.lookout.net\u2A7480",
+    "output": null
+  },
+  {
+    "input": "www\u00A0.lookout.net",
+    "output": null
+  },
+  {
+    "input": "\u1680lookout.net",
+    "output": null
+  },
+  {
+    "input": "\u001flookout.net",
+    "output": null
+  },
+  {
+    "input": "look\u06DDout.net",
+    "output": null
+  },
+  {
+    "input": "look\u180Eout.net",
+    "output": null
+  },
+  {
+    "input": "look\u2060out.net",
+    "output": "lookout.net"
+  },
+  {
+    "input": "look\uFEFFout.net",
+    "output": "lookout.net"
+  },
+  {
+    "input": "look\uD83F\uDFFEout.net",
+    "output": null
+  },
+  {
+    "input": "look\uFFFAout.net",
+    "output": null
+  },
+  {
+    "input": "look\u2FF0out.net",
+    "output": null
+  },
+  {
+    "input": "look\u0341out.net",
+    "output": "xn--looout-kp7b.net"
+  },
+  {
+    "input": "look\u202Eout.net",
+    "output": null
+  },
+  {
+    "input": "look\u206Bout.net",
+    "output": null
+  },
+  {
+    "input": "look\uDB40\uDC01out.net",
+    "output": null
+  },
+  {
+    "input": "look\uDB40\uDC20out.net",
+    "output": null
+  },
+  {
+    "input": "look\u05BEout.net",
+    "output": null
+  },
+  {
+    "input": "B\u00FCcher.de",
+    "output": "xn--bcher-kva.de"
+  },
+  {
+    "input": "\u2665.net",
+    "output": "xn--g6h.net"
+  },
+  {
+    "input": "\u0378.net",
+    "output": null
+  },
+  {
+    "input": "\u04C0.com",
+    "output": null
+  },
+  {
+    "comment": "This is U+2F868 (which is mapped to U+36FC starting with Unicode 16.0)",
+    "input": "\uD87E\uDC68.com",
+    "output": "xn--snl.com"
+  },
+  {
+    "input": "\u2183.com",
+    "output": null
+  },
+  {
+    "input": "look\u034Fout.net",
+    "output": "lookout.net"
+  },
+  {
+    "input": "gOoGle.com",
+    "output": "google.com"
+  },
+  {
+    "input": "\u09dc.com",
+    "output": "xn--15b8c.com"
+  },
+  {
+    "input": "\u1E9E.com",
+    "output": "xn--zca.com"
+  },
+  {
+    "input": "\u1E9E.foo.com",
+    "output": "xn--zca.foo.com"
+  },
+  {
+    "input": "-foo.bar.com",
+    "output": "-foo.bar.com"
+  },
+  {
+    "input": "foo-.bar.com",
+    "output": "foo-.bar.com"
+  },
+  {
+    "input": "ab--cd.com",
+    "output": "ab--cd.com"
+  },
+  {
+    "input": "xn--0.com",
+    "output": null
+  },
+  {
+    "input": "foo\u0300.bar.com",
+    "output": "xn--fo-3ja.bar.com"
   }
 ]
diff --git a/tests/wpt/tests/user-timing/idlharness-shadowrealm.window.js b/tests/wpt/tests/user-timing/idlharness-shadowrealm.window.js
deleted file mode 100644
index 52ad58faa22..00000000000
--- a/tests/wpt/tests/user-timing/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["user-timing"], ["hr-time", "performance-timeline", "dom"]);
diff --git a/tests/wpt/tests/user-timing/idlharness.any.js b/tests/wpt/tests/user-timing/idlharness.any.js
index 511f2d0455b..ee73f16dfc8 100644
--- a/tests/wpt/tests/user-timing/idlharness.any.js
+++ b/tests/wpt/tests/user-timing/idlharness.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker
+// META: global=window,worker,shadowrealm-in-window
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 // META: timeout=long
@@ -11,6 +11,10 @@ idl_test(
   ['user-timing'],
   ['hr-time', 'performance-timeline', 'dom'],
   idl_array => {
+    if (self.GLOBAL.isShadowRealm()) {
+      return;
+    }
+
     try {
       performance.mark('test');
       performance.measure('test');
diff --git a/tests/wpt/tests/wasm/jsapi/idlharness-shadowrealm.window.js b/tests/wpt/tests/wasm/jsapi/idlharness-shadowrealm.window.js
deleted file mode 100644
index 26348037f73..00000000000
--- a/tests/wpt/tests/wasm/jsapi/idlharness-shadowrealm.window.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// META: script=/resources/testharness-shadowrealm-outer.js
-// META: script=/resources/idlharness-shadowrealm.js
-idl_test_shadowrealm(["wasm-js-api"], []);
diff --git a/tests/wpt/tests/wasm/jsapi/idlharness.any.js b/tests/wpt/tests/wasm/jsapi/idlharness.any.js
index 98713d4bf6e..6478f857c7a 100644
--- a/tests/wpt/tests/wasm/jsapi/idlharness.any.js
+++ b/tests/wpt/tests/wasm/jsapi/idlharness.any.js
@@ -1,6 +1,7 @@
 // META: script=/resources/WebIDLParser.js
 // META: script=/resources/idlharness.js
 // META: script=../resources/load_wasm.js
+// META: global=window,dedicatedworker,shadowrealm-in-window
 
 'use strict';
 
diff --git a/tests/wpt/tests/wasm/webapi/esm-integration/script-src-blocks-wasm.tentative.sub.html b/tests/wpt/tests/wasm/webapi/esm-integration/script-src-blocks-wasm.tentative.sub.html
index 0d5c7ca6ed5..1fed3a15c69 100644
--- a/tests/wpt/tests/wasm/webapi/esm-integration/script-src-blocks-wasm.tentative.sub.html
+++ b/tests/wpt/tests/wasm/webapi/esm-integration/script-src-blocks-wasm.tentative.sub.html
@@ -18,4 +18,4 @@
       assert_array_equals(log, ["script-src-elem"]);
     }));
 
-
+
diff --git a/tests/wpt/tests/web-animations/animation-model/animation-types/property-list.js b/tests/wpt/tests/web-animations/animation-model/animation-types/property-list.js
index ee791e884c5..d182a4ec4f7 100644
--- a/tests/wpt/tests/web-animations/animation-model/animation-types/property-list.js
+++ b/tests/wpt/tests/web-animations/animation-model/animation-types/property-list.js
@@ -104,10 +104,22 @@ const gCSSProperties1 = {
     types: [
     ]
   },
+  'block-step-align': {
+    // https://drafts.csswg.org/css-rhythm/#block-step-align
+    types: [
+      { type: 'discrete', options: [ [ 'auto', 'center'], ['end', 'start'], ['start', 'center'] ] }
+    ]
+  },
   'block-step-insert': {
     // https://drafts.csswg.org/css-rhythm/#block-step-insert
     types: [
-      { type: 'discrete', options: [ [ 'margin', 'padding' ] ] }
+      { type: 'discrete', options: [ [ 'margin-box', 'padding-box'], ['margin-box', 'content-box'], ['padding-box', 'content-box'] ] }
+    ]
+  },
+  'block-step-round': {
+    // https://drafts.csswg.org/css-rhythm/#block-step-round
+    types: [
+      { type: 'discrete', options: [ [ 'up', 'down'], ['down', 'nearest'], ['nearest', 'up'] ] }
     ]
   },
   'block-step-size': {
diff --git a/tests/wpt/tests/web-animations/interfaces/Animation/progress.tentative.html b/tests/wpt/tests/web-animations/interfaces/Animation/overallProgress.tentative.html
similarity index 60%
rename from tests/wpt/tests/web-animations/interfaces/Animation/progress.tentative.html
rename to tests/wpt/tests/web-animations/interfaces/Animation/overallProgress.tentative.html
index 38f37cbfeb8..96292017e72 100644
--- a/tests/wpt/tests/web-animations/interfaces/Animation/progress.tentative.html
+++ b/tests/wpt/tests/web-animations/interfaces/Animation/overallProgress.tentative.html
@@ -1,8 +1,8 @@
 
 
-Animation.progress
+Animation.overallProgress
 
+href="https://drafts.csswg.org/web-animations-2/#the-overall-progress-of-an-animation">
 
 
 
@@ -16,16 +16,20 @@ test(t => {
   const animation = new Animation(null);
   animation.startTime = document.timeline.currentTime;
   assert_time_equals_literal(animation.currentTime, 0, 'currentTime is zero');
-  assert_equals(animation.progress, null, 'progress is unresolved');
-}, 'progress of a newly created animation without an effect is unresolved');
+  assert_equals(animation.overallProgress, null,
+    'overallProgress is unresolved');
+}, 'overallProgress of a newly created animation without an effect is ' +
+   'unresolved');
 
 test(t => {
   // currentTime should be unresolved because the animation has no associated
   // timeline.
   const animation = new Animation(new KeyframeEffect(createDiv(t), null), null);
   assert_equals(animation.currentTime, null, 'currentTime is unresolved');
-  assert_equals(animation.progress, null, 'progress is unresolved');
-}, 'progress of an animation whose currentTime is unresolved is unresolved.');
+  assert_equals(animation.overallProgress, null,
+    'overallProgress is unresolved');
+}, 'overallProgress of an animation whose currentTime is unresolved is ' +
+   'unresolved.');
 
 test(t => {
   const animation = new Animation(new KeyframeEffect(createDiv(t), null,
@@ -33,22 +37,25 @@ test(t => {
   // Set the startTime to 20 seconds into the future.
   animation.startTime = document.timeline.currentTime + 20 * MS_PER_SEC;
   assert_less_than(animation.currentTime, 0, 'currentTime is negative');
-  assert_approx_equals(animation.progress, 0, 0.01, 'progress is zero');
-}, "progress of an animation whose effect's endTime is zero is zero if its " +
-   "currentTime is negative.");
+  assert_approx_equals(animation.overallProgress, 0, 0.01, 'overallProgress ' +
+    'is zero');
+}, "overallProgress of an animation whose effect's endTime is zero is zero " +
+   "if its currentTime is negative.");
 
 test(t => {
   const animation = new Animation(new KeyframeEffect(createDiv(t), null,
     { duration: 0 }), document.timeline);
   animation.startTime = document.timeline.currentTime;
   assert_time_equals_literal(animation.currentTime, 0, 'currentTime is zero');
-  assert_approx_equals(animation.progress, 1, 0.01, 'progress is one');
+  assert_approx_equals(animation.overallProgress, 1, 0.01,
+    'overallProgress is one');
 
   animation.startTime = document.timeline.currentTime - 20 * MS_PER_SEC;
   assert_greater_than(animation.currentTime, 0, 'currentTime greater than zero');
-  assert_approx_equals(animation.progress, 1, 0.01, 'progress is one');
-}, "progress of an animation whose effect's endTime is zero is one if its " +
-   "currentTime is non-negative.");
+  assert_approx_equals(animation.overallProgress, 1, 0.01,
+    'overallProgress is one');
+}, "overallProgress of an animation whose effect's endTime is zero is one if " +
+   "its currentTime is non-negative.");
 
 test(t => {
   const animation = new Animation(new KeyframeEffect(createDiv(t), null,
@@ -56,8 +63,9 @@ test(t => {
 
   animation.startTime = document.timeline.currentTime - 20 * MS_PER_SEC;
   assert_greater_than(animation.currentTime, 0, 'currentTime is positive');
-  assert_approx_equals(animation.progress, 0, 0.01, 'progress is zero');
-}, "progress of an animation whose effect's endTime is infinity is zero.");
+  assert_approx_equals(animation.overallProgress, 0, 0.01,
+    'overallProgress is zero');
+}, "overallProgress of an animation whose effect's endTime is infinity is zero.");
 
 test(t => {
   const animation = new Animation(new KeyframeEffect(createDiv(t), null,
@@ -66,16 +74,20 @@ test(t => {
 
   animation.startTime = document.timeline.currentTime - 50 * MS_PER_SEC;
   assert_time_equals_literal(animation.currentTime, 100 * MS_PER_SEC, 'currentTime is 100s');
-  assert_approx_equals(animation.progress, 0.5, 0.01, 'progress is zero');
+  assert_approx_equals(animation.overallProgress, 0.5, 0.01,
+    'overallProgress is zero');
 
   animation.startTime = document.timeline.currentTime - 100 * MS_PER_SEC;
   assert_time_equals_literal(animation.currentTime, 200 * MS_PER_SEC, 'currentTime is 200s');
-  assert_approx_equals(animation.progress, 1, 0.01, 'progress is one');
+  assert_approx_equals(animation.overallProgress, 1, 0.01,
+    'overallProgress is one');
 
   animation.startTime = document.timeline.currentTime - 150 * MS_PER_SEC;
   assert_time_equals_literal(animation.currentTime, 300 * MS_PER_SEC, 'currentTime is 300s');
-  assert_approx_equals(animation.progress, 1, 0.01, 'progress is still one');
-}, "progress of an animation is calculated by currentTime / effect endTime.");
+  assert_approx_equals(animation.overallProgress, 1, 0.01,
+    'overallProgress is still one');
+}, "overallProgress of an animation is calculated by " +
+   "currentTime / effect endTime.");
 
 
 
diff --git a/tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-progress.tentative.html b/tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-overallProgress.tentative.html
similarity index 68%
rename from tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-progress.tentative.html
rename to tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-overallProgress.tentative.html
index b40e72482ba..a337d688a08 100644
--- a/tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-progress.tentative.html
+++ b/tests/wpt/tests/web-animations/interfaces/Animation/scroll-timeline-overallProgress.tentative.html
@@ -1,8 +1,8 @@
 
 
-Animation.progress
+Animation.overallProgress
 
+href="https://drafts.csswg.org/web-animations-2/#the-overall-progress-of-an-animation">
 
 
 
@@ -21,8 +21,8 @@ href="https://drafts.csswg.org/web-animations-2/#the-progress-of-an-animation">
       width: 100%;
     }
     #target {
-      height:  100px;
-      width:  100px;
+      height: 100px;
+      width: 100px;
       background-color: green;
       margin-top: -1000px;
     }
@@ -38,31 +38,32 @@ promise_test(async t => {
 
   assert_equals(animation.currentTime, null,
       "The current time is null in Idle state.");
-  assert_equals(animation.progress, null,
-      "The progress is null since the currentTime is unresolved.");
+  assert_equals(animation.overallProgress, null,
+      "The overallProgress is null since the currentTime is unresolved.");
 
   animation.play();
   assert_true(animation.pending, "Animation is in the pending state.");
   assert_equals(animation.currentTime, null,
       "The current time remains null while in the pending state.");
-  assert_equals(animation.progress, null,
-      "The progress is null since the currentTime is unresolved.");
+  assert_equals(animation.overallProgress, null,
+      "The overallProgress is null since the currentTime is unresolved.");
 
   await animation.ready;
   // Verify initial start and current times once ready.
   assert_percents_equal(animation.currentTime, 0,
       "The current time is resolved when ready.");
-  assert_equals(animation.progress, 0, "The progress is should be zero.");
+  assert_equals(animation.overallProgress, 0,
+    "The overallProgress should be zero.");
 
   scroller.scrollTop = 0.4 * maxScroll;
 
   await waitForNextFrame();
   assert_percents_equal(animation.currentTime, 40,
-      "currentTime reflects progress as a percentage");
-  assert_approx_equals(animation.progress, 0.4, 0.01,
-      "The progress is should match the scroll progress.");
-}, "animation.progress reflects the progress of a scroll animation as a "+
-   "number between 0 and 1");
+      "currentTime reflects overallProgress as a percentage");
+  assert_approx_equals(animation.overallProgress, 0.4, 0.01,
+      "The overallProgress should match the scroll progress.");
+}, "animation.overallProgress reflects the progress of a scroll animation as " +
+   "a number between 0 and 1");
 
 promise_test(async t => {
   const animation = createScrollLinkedAnimation(t);
@@ -74,31 +75,32 @@ promise_test(async t => {
   // Verify initial start and current times once ready.
   assert_percents_equal(animation.currentTime, 0,
       "The current time is resolved when ready.");
-  assert_equals(animation.progress, 0, "The progress is should be zero.");
+  assert_equals(animation.overallProgress, 0,
+    "The overallProgress should be zero.");
 
   scroller.scrollTop = 0.4 * maxScroll;
   await waitForNextFrame();
 
   let timing = animation.effect.getComputedTiming();
-  // iteration duration should be 100%, progress should reflect 40%.
+  // iteration duration should be 100%, overallProgress should reflect 40%.
   assert_percents_equal(timing.duration, 100);
   assert_percents_equal(animation.currentTime, 40,
       "currentTime reflects progress as a percentage");
-  assert_approx_equals(animation.progress, 0.4, 0.01,
-      "The progress is should match the scroll progress.");
+  assert_approx_equals(animation.overallProgress, 0.4, 0.01,
+      "The overallProgress should match the scroll progress.");
       timing = animation.effect.getComputedTiming();
 
   animation.effect.updateTiming({ iterations: 2 });
 
   timing = animation.effect.getComputedTiming();
-  // iteration duration should be 50%, progress should still reflect 40%
+  // iteration duration should be 50%, overallProgress should still reflect 40%
   // as it measures currentTime / effect endTime.
   assert_percents_equal(timing.duration, 50);
   assert_percents_equal(animation.currentTime, 40,
       "currentTime reflects progress as a percentage");
-  assert_approx_equals(animation.progress, 0.4, 0.01,
-      "The progress is should match the scroll progress.");
-}, "animation.progress reflects the overall progress of a scroll animation " +
+  assert_approx_equals(animation.overallProgress, 0.4, 0.01,
+      "The overallProgress is should match the scroll progress.");
+}, "animation.overallProgress reflects the overall progress of a scroll " +
    "with multiple iterations.");
 
 promise_test(async t => {
@@ -126,10 +128,11 @@ promise_test(async t => {
   const expected_current_time = timeline_time - start_time;
   assert_percents_equal(animation.currentTime, expected_current_time,
       "currentTime reflects progress as a percentage");
-  assert_approx_equals(animation.progress, target_pct / 100, 0.01,
-    "progress should reflect fraction of view timeline range scroll through.");
-}, "animation.progress reflects the overall progress of a scroll animation " +
-   "that uses a view-timeline.");
+  assert_approx_equals(animation.overallProgress, target_pct / 100, 0.01,
+    "overallProgress should reflect fraction of view timeline range scroll "
+    + "through.");
+}, "animation.overallProgress reflects the overall progress of a scroll "
+   + "that uses a view-timeline.");
 
 promise_test(async t => {
   const scroller = createScroller(t);
@@ -151,16 +154,16 @@ promise_test(async t => {
   await waitForNextFrame();
   let timing = animation.effect.getComputedTiming();
   assert_less_than(animation.currentTime.value, 0, "currentTime is negative");
-  assert_approx_equals(animation.progress, 0, 0.01, "progress is zero when " +
-    "scroll offset is less than range start.");
+  assert_approx_equals(animation.overallProgress, 0, 0.01, "overallProgress " +
+    "is zero when scroll offset is less than range start.");
 
   scroller.scrollTop = 200;
   await waitForNextFrame();
   assert_approx_equals(animation.currentTime.value, timing.endTime.value, 0.01,
     "currentTime has reached endTime");
-  assert_approx_equals(animation.progress, 1, 0.01, "progress is one when " +
-    "scroll offset goes past than range end.");
-}, "progresss of a view-timeline is bounded between 0 and 1.");
+  assert_approx_equals(animation.overallProgress, 1, 0.01, "overallProgress " +
+    "is one when scroll offset goes past than range end.");
+}, "overallProgress of a view-timeline is bounded between 0 and 1.");
 
 
 
diff --git a/tests/wpt/tests/web-animations/interfaces/Animation/style-change-events.html b/tests/wpt/tests/web-animations/interfaces/Animation/style-change-events.html
index d2d6e9d4c9b..d1c1c96f7b0 100644
--- a/tests/wpt/tests/web-animations/interfaces/Animation/style-change-events.html
+++ b/tests/wpt/tests/web-animations/interfaces/Animation/style-change-events.html
@@ -169,7 +169,7 @@ const tests = {
   // no effect.
   rangeStart: UsePropertyTest(animation => animation.rangeStart),
   rangeEnd:  UsePropertyTest(animation => animation.rangeEnd),
-  progress: UsePropertyTest(animation => animation.progress),
+  overallProgress: UsePropertyTest(animation => animation.overallProgress),
   replaceState: UsePropertyTest(animation => animation.replaceState),
   ready: UsePropertyTest(animation => animation.ready),
   finished: UsePropertyTest(animation => {
diff --git a/tests/wpt/tests/web-animations/resources/keyframe-tests.js b/tests/wpt/tests/web-animations/resources/keyframe-tests.js
index 43e0d7575f2..2bcce1ecf47 100644
--- a/tests/wpt/tests/web-animations/resources/keyframe-tests.js
+++ b/tests/wpt/tests/web-animations/resources/keyframe-tests.js
@@ -535,6 +535,16 @@ const gKeyframesTests = [
     input:  [{ offset: '0.5', left: '10px' }],
     output: [keyframe(offset(0.5), { left: '10px' })],
   },
+  {
+    desc:   'a single keyframe sequence with a single calc() offset',
+    input:  [{ offset: 'calc(0.5)', left: '10px' }],
+    output: [keyframe(offset(0.5), { left: '10px' })],
+  },
+  {
+    desc:   'a single keyframe sequence with a complex calc() offset',
+    input:  [{ offset: 'calc(0.5 + 0.25 * sign(100em - 1px))', left: '10px' }],
+    output: [keyframe(offset(0.75), { left: '10px' })],
+  },
   {
     desc:   'a one property keyframe sequence with some omitted offsets',
     input:  [{ offset: 0.00, left: '10px' },
@@ -824,4 +834,4 @@ const gAnimationTimelineTests = [
     expectedTimelineDescription: 'document.timeline',
     description: 'with DocumentTimeline'
   },
-];
\ No newline at end of file
+];
diff --git a/tests/wpt/tests/webcodecs/README.md b/tests/wpt/tests/webcodecs/README.md
index e6cae317d0b..dce4ef3650e 100644
--- a/tests/wpt/tests/webcodecs/README.md
+++ b/tests/wpt/tests/webcodecs/README.md
@@ -152,6 +152,12 @@ done
 sox -n -r 48000 sfx.wav synth 1 sine 480
 ffmpeg -i sfx.wav -frames:a 10 -acodec libopus -b:a 96K sfx-opus.ogg
 
+### sfx-vorbis.ogg
+```
+sox -n -r 48000 sfx.wav synth 1 sine 480
+ffmpeg -i sfx.wav -frames:a 10 -acodec libvorbis -b:a 96K sfx-vorbis.ogg
+```
+
 ### av1.mp4
 ```
 ffmpeg -f lavfi -i testsrc=rate=10:n=1 -t 1 -pix_fmt yuv420p -vcodec libaom-av1 av1.mp4
diff --git a/tests/wpt/tests/webcodecs/audioDecoder-codec-specific.https.any.js b/tests/wpt/tests/webcodecs/audioDecoder-codec-specific.https.any.js
index 6a4793c62c9..32eb6598c66 100644
--- a/tests/wpt/tests/webcodecs/audioDecoder-codec-specific.https.any.js
+++ b/tests/wpt/tests/webcodecs/audioDecoder-codec-specific.https.any.js
@@ -12,6 +12,7 @@
 // META: variant=?pcm_s32
 // META: variant=?pcm_f32
 // META: variant=?flac
+// META: variant=?vorbis
 
 const ADTS_AAC_DATA = {
   src: 'sfx.adts',
@@ -128,6 +129,30 @@ const PCM_S24_DATA = pcm("pcm-s24", 0x66);
 const PCM_S32_DATA = pcm("pcm-s32", 0x66);
 const PCM_F32_DATA = pcm("pcm-f32", 0x72);
 
+const VORBIS_DATA = {
+  src: 'sfx-vorbis.ogg',
+  config: {
+    codec: 'vorbis',
+    description: [
+      2,
+      30,
+      62,
+      {offset: 28, size: 30},
+      {offset: 101, size: 62},
+      {offset: 163, size: 3771}
+    ],
+    numberOfChannels: 1,
+    sampleRate: 48000,
+  },
+  chunks: [
+    {offset: 3968, size: 44}, {offset: 4012, size: 21},
+    {offset: 4033, size: 57}, {offset: 4090, size: 37},
+    {offset: 4127, size: 37}, {offset: 4164, size: 107},
+    {offset: 4271, size: 172}
+  ],
+  duration: 21333
+};
+
 // Allows mutating `callbacks` after constructing the AudioDecoder, wraps calls
 // in t.step().
 function createAudioDecoder(t, callbacks) {
@@ -171,6 +196,7 @@ promise_setup(async () => {
     '?pcm_s32': PCM_S32_DATA,
     '?pcm_f32': PCM_F32_DATA,
     '?flac': FLAC_DATA,
+    '?vorbis': VORBIS_DATA,
   }[location.search];
 
   // Don't run any tests if the codec is not supported.
@@ -193,7 +219,28 @@ promise_setup(async () => {
 
   CONFIG = {...data.config};
   if (data.config.description) {
-    CONFIG.description = view(buf, data.config.description);
+    // The description for decoding vorbis is expected to be in Xiph extradata format.
+    // https://w3c.github.io/webcodecs/vorbis_codec_registration.html#audiodecoderconfig-description
+    if (Array.isArray(data.config.description)) {
+      const length = data.config.description.reduce((sum, value) => sum + ((typeof value === 'number') ? 1 : value.size), 0);
+      const description = new Uint8Array(length);
+
+      data.config.description.reduce((offset, value) => {
+          if (typeof value === 'number') {
+              description[offset] = value;
+
+              return offset + 1;
+          }
+
+          description.set(view(buf, value), offset);
+
+          return offset + value.size;
+      }, 0);
+
+      CONFIG.description = description;
+    } else {
+      CONFIG.description = view(buf, data.config.description);
+    }
   }
 
   CHUNK_DATA = [];
@@ -300,7 +347,7 @@ promise_test(async t => {
   });
 
   await decoder.flush();
-  assert_equals(outputs, CHUNKS.length, 'outputs');
+  assert_equals(outputs, CONFIG.codec === 'vorbis' ? CHUNKS.length - 1 : CHUNKS.length, 'outputs');
 }, 'Test decoding');
 
 promise_test(async t => {
@@ -316,9 +363,11 @@ promise_test(async t => {
   decoder.configure(CONFIG);
   decoder.decode(new EncodedAudioChunk(
       {type: 'key', timestamp: -42, data: CHUNK_DATA[0]}));
+  decoder.decode(new EncodedAudioChunk(
+      {type: 'key', timestamp: CHUNKS[0].duration - 42, data: CHUNK_DATA[1]}));
 
   await decoder.flush();
-  assert_equals(outputs, 1, 'outputs');
+  assert_equals(outputs, CONFIG.codec === 'vorbis' ? 1 : 2, 'outputs');
 }, 'Test decoding a with negative timestamp');
 
 promise_test(async t => {
@@ -333,13 +382,14 @@ promise_test(async t => {
 
   decoder.configure(CONFIG);
   decoder.decode(CHUNKS[0]);
+  decoder.decode(CHUNKS[1]);
 
   await decoder.flush();
-  assert_equals(outputs, 1, 'outputs');
+  assert_equals(outputs, CONFIG.codec === 'vorbis' ? 1 : 2, 'outputs');
 
-  decoder.decode(CHUNKS[0]);
+  decoder.decode(CHUNKS[2]);
   await decoder.flush();
-  assert_equals(outputs, 2, 'outputs');
+  assert_equals(outputs, CONFIG.codec === 'vorbis' ? 2 : 3, 'outputs');
 }, 'Test decoding after flush');
 
 promise_test(async t => {
diff --git a/tests/wpt/tests/webcodecs/sfx-vorbis.ogg b/tests/wpt/tests/webcodecs/sfx-vorbis.ogg
new file mode 100644
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diff --git a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/key.py b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/key.py
index 9a04a1f31d3..7deb5f1fb99 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/key.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/key.py
@@ -19,6 +19,34 @@ async def test_invalid_browsing_context(bidi_session):
         await bidi_session.input.perform_actions(actions=actions, context="foo")
 
 
+async def test_key_down_closes_browsing_context(
+    bidi_session, configuration, new_tab, inline
+):
+    url = inline("""
+        close
+        
+        """)
+
+    await bidi_session.browsing_context.navigate(
+        context=new_tab["context"],
+        url=url,
+        wait="complete",
+    )
+
+    actions = Actions()
+    (
+        actions.add_key()
+        .key_down("w")
+        .pause(250 * configuration["timeout_multiplier"])
+        .key_up("w")
+    )
+
+    with pytest.raises(NoSuchFrameException):
+        await bidi_session.input.perform_actions(
+            actions=actions, context=new_tab["context"]
+        )
+
+
 async def test_key_backspace(bidi_session, top_context, setup_key_test):
     actions = Actions()
     actions.add_key().send_keys("efcd").send_keys([Keys.BACKSPACE, Keys.BACKSPACE])
diff --git a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_mouse.py b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_mouse.py
index ab91c6709c5..ab861a90937 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_mouse.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_mouse.py
@@ -1,6 +1,6 @@
 import pytest
 
-from webdriver.bidi.error import MoveTargetOutOfBoundsException
+from webdriver.bidi.error import MoveTargetOutOfBoundsException, NoSuchFrameException
 from webdriver.bidi.modules.input import Actions, get_element_origin
 
 from tests.support.asserts import assert_move_to_coordinates
@@ -17,6 +17,34 @@ from . import (
 pytestmark = pytest.mark.asyncio
 
 
+async def test_pointer_down_closes_browsing_context(
+    bidi_session, configuration, get_element, new_tab, inline
+):
+    url = inline("""close""")
+    await bidi_session.browsing_context.navigate(
+        context=new_tab["context"],
+        url=url,
+        wait="complete",
+    )
+
+    element = await get_element("input", context=new_tab)
+    origin = get_element_origin(element)
+
+    actions = Actions()
+    (
+        actions.add_pointer()
+        .pointer_move(0, 0, origin=origin)
+        .pointer_down(button=0)
+        .pause(250 * configuration["timeout_multiplier"])
+        .pointer_up(button=0)
+    )
+
+    with pytest.raises(NoSuchFrameException):
+        await bidi_session.input.perform_actions(
+            actions=actions, context=new_tab["context"]
+        )
+
+
 async def test_click_at_coordinates(bidi_session, top_context, load_static_test_page):
     await load_static_test_page(page="test_actions.html")
 
diff --git a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_pen.py b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_pen.py
index 44ac435a21e..cfc6beaeb4b 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_pen.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_pen.py
@@ -1,6 +1,6 @@
 import pytest
 
-from webdriver.bidi.error import MoveTargetOutOfBoundsException
+from webdriver.bidi.error import MoveTargetOutOfBoundsException, NoSuchFrameException
 from webdriver.bidi.modules.input import Actions, get_element_origin
 
 from .. import get_events
@@ -14,6 +14,34 @@ from . import (
 pytestmark = pytest.mark.asyncio
 
 
+async def test_pointer_down_closes_browsing_context(
+    bidi_session, configuration, get_element, new_tab, inline
+):
+    url = inline("""close""")
+    await bidi_session.browsing_context.navigate(
+        context=new_tab["context"],
+        url=url,
+        wait="complete",
+    )
+
+    element = await get_element("input", context=new_tab)
+    origin = get_element_origin(element)
+
+    actions = Actions()
+    (
+        actions.add_pointer(pointer_type="pen")
+        .pointer_move(0, 0, origin=origin)
+        .pointer_down(button=0)
+        .pause(250 * configuration["timeout_multiplier"])
+        .pointer_up(button=0)
+    )
+
+    with pytest.raises(NoSuchFrameException):
+        await bidi_session.input.perform_actions(
+            actions=actions, context=new_tab["context"]
+        )
+
+
 @pytest.mark.parametrize("origin", ["element", "pointer", "viewport"])
 async def test_params_actions_origin_outside_viewport(
     bidi_session, get_actions_origin_page, top_context, get_element, origin
diff --git a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_touch.py b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_touch.py
index 6edc7f83202..4477162b322 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_touch.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/input/perform_actions/pointer_touch.py
@@ -1,6 +1,6 @@
 import pytest
 
-from webdriver.bidi.error import MoveTargetOutOfBoundsException
+from webdriver.bidi.error import MoveTargetOutOfBoundsException, NoSuchFrameException
 from webdriver.bidi.modules.input import Actions, get_element_origin
 
 from .. import get_events
@@ -14,6 +14,34 @@ from . import (
 pytestmark = pytest.mark.asyncio
 
 
+async def test_pointer_down_closes_browsing_context(
+    bidi_session, configuration, get_element, new_tab, inline
+):
+    url = inline("""close""")
+    await bidi_session.browsing_context.navigate(
+        context=new_tab["context"],
+        url=url,
+        wait="complete",
+    )
+
+    element = await get_element("input", context=new_tab)
+    origin = get_element_origin(element)
+
+    actions = Actions()
+    (
+        actions.add_pointer(pointer_type="touch")
+        .pointer_move(0, 0, origin=origin)
+        .pointer_down(button=0)
+        .pause(250 * configuration["timeout_multiplier"])
+        .pointer_up(button=0)
+    )
+
+    with pytest.raises(NoSuchFrameException):
+        await bidi_session.input.perform_actions(
+            actions=actions, context=new_tab["context"]
+        )
+
+
 @pytest.mark.parametrize("origin", ["element", "pointer", "viewport"])
 async def test_params_actions_origin_outside_viewport(
     bidi_session, get_actions_origin_page, top_context, get_element, origin
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/__init__.py b/tests/wpt/tests/webdriver/tests/bidi/network/__init__.py
index 5decb28a1a9..dd0eae49ac1 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/network/__init__.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/__init__.py
@@ -80,8 +80,10 @@ def assert_request_data(request_data, expected_request, expected_time_range):
         {
             "bodySize": any_int_or_null,
             "cookies": any_list,
+            "destination": any_string,
             "headers": any_list,
             "headersSize": any_int,
+            "initiatorType": any_string_or_null,
             "method": any_string,
             "request": any_string,
             "timings": any_dict,
@@ -175,8 +177,8 @@ def assert_before_request_sent_event(
     expected_time_range=None,
 ):
     # Assert initiator
-    assert isinstance(event["initiator"], dict)
-    assert isinstance(event["initiator"]["type"], str)
+    if "initiator" in event:
+        assert isinstance(event["initiator"], dict)
 
     # Assert base parameters
     assert_base_parameters(
@@ -371,18 +373,26 @@ HTTP_STATUS_AND_STATUS_TEXT = [
     (505, "HTTP Version Not Supported"),
 ]
 
+BASE_URL = "/webdriver/tests/bidi/network/support"
 PAGE_DATA_URL_HTML = "data:text/html,
foo
"
 PAGE_DATA_URL_IMAGE = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII="
-PAGE_EMPTY_HTML = "/webdriver/tests/bidi/network/support/empty.html"
-PAGE_EMPTY_IMAGE = "/webdriver/tests/bidi/network/support/empty.png"
-PAGE_EMPTY_SCRIPT = "/webdriver/tests/bidi/network/support/empty.js"
-PAGE_EMPTY_SVG = "/webdriver/tests/bidi/network/support/empty.svg"
-PAGE_EMPTY_TEXT = "/webdriver/tests/bidi/network/support/empty.txt"
+PAGE_EMPTY_HTML = f"{BASE_URL}/empty.html"
+PAGE_EMPTY_IMAGE = f"{BASE_URL}/empty.png"
+PAGE_EMPTY_SCRIPT = f"{BASE_URL}/empty.js"
+PAGE_EMPTY_SVG = f"{BASE_URL}/empty.svg"
+PAGE_EMPTY_TEXT = f"{BASE_URL}/empty.txt"
 PAGE_INVALID_URL = "https://not_a_valid_url.test/"
-PAGE_OTHER_TEXT = "/webdriver/tests/bidi/network/support/other.txt"
-PAGE_PROVIDE_RESPONSE_HTML = "/webdriver/tests/bidi/network/support/provide_response.html"
-PAGE_PROVIDE_RESPONSE_SCRIPT = "/webdriver/tests/bidi/network/support/provide_response.js"
-PAGE_PROVIDE_RESPONSE_STYLESHEET = "/webdriver/tests/bidi/network/support/provide_response.css"
+PAGE_INITIATOR = {
+    "HTML": f"{BASE_URL}/initiator/simple-initiator.html",
+    "SCRIPT": f"{BASE_URL}/initiator/simple-initiator-script.js",
+    "STYLESHEET": f"{BASE_URL}/initiator/simple-initiator-style.css",
+    "IMAGE": f"{BASE_URL}/initiator/simple-initiator-img.png",
+    "BACKGROUND": f"{BASE_URL}/initiator/simple-initiator-bg.png",
+}
+PAGE_OTHER_TEXT = f"{BASE_URL}/other.txt"
+PAGE_PROVIDE_RESPONSE_HTML = f"{BASE_URL}/provide_response.html"
+PAGE_PROVIDE_RESPONSE_SCRIPT = f"{BASE_URL}/provide_response.js"
+PAGE_PROVIDE_RESPONSE_STYLESHEET = f"{BASE_URL}/provide_response.css"
 PAGE_REDIRECT_HTTP_EQUIV = (
     "/webdriver/tests/bidi/network/support/redirect_http_equiv.html"
 )
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/before_request_sent/before_request_sent.py b/tests/wpt/tests/webdriver/tests/bidi/network/before_request_sent/before_request_sent.py
index 5ba6955bd12..ebc3bf8fa86 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/network/before_request_sent/before_request_sent.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/before_request_sent/before_request_sent.py
@@ -13,6 +13,7 @@ from .. import (
     PAGE_DATA_URL_IMAGE,
     PAGE_EMPTY_HTML,
     PAGE_EMPTY_TEXT,
+    PAGE_INITIATOR,
     PAGE_REDIRECT_HTTP_EQUIV,
     PAGE_REDIRECTED_HTML,
     PAGE_SERVICEWORKER_HTML,
@@ -608,3 +609,55 @@ async def test_fetch_data_url(
         redirect_count=0,
     )
     assert events[0]["navigation"] is None
+
+
+@pytest.mark.asyncio
+async def test_destination_initiator(
+    bidi_session,
+    top_context,
+    wait_for_event,
+    wait_for_future_safe,
+    fetch,
+    setup_network_test,
+    url,
+):
+    network_events = await setup_network_test(events=[BEFORE_REQUEST_SENT_EVENT])
+    events = network_events[BEFORE_REQUEST_SENT_EVENT]
+
+    page_url = url(PAGE_INITIATOR["HTML"])
+
+    result = await bidi_session.browsing_context.navigate(
+        context=top_context["context"], url=page_url, wait="complete"
+    )
+
+    assert len(events) == 6
+
+    def assert_initiator_destination(url, initiator_type, destination):
+        event = next(e for e in events if url in e["request"]["url"])
+        assert_before_request_sent_event(
+            event,
+            expected_request={
+                "destination": destination,
+                "initiatorType": initiator_type,
+            },
+        )
+
+    assert_initiator_destination(PAGE_INITIATOR["HTML"], None, "")
+    assert_initiator_destination(PAGE_INITIATOR["SCRIPT"], "script", "script")
+    assert_initiator_destination(PAGE_INITIATOR["STYLESHEET"], "link", "style")
+    assert_initiator_destination(PAGE_INITIATOR["IMAGE"], "img", "image")
+    assert_initiator_destination(PAGE_INITIATOR["BACKGROUND"], "css", "image")
+    assert_initiator_destination(PAGE_EMPTY_HTML, "iframe", "iframe")
+
+    # Perform an additional fetch, and check its destination.
+    on_before_request_sent = wait_for_event(BEFORE_REQUEST_SENT_EVENT)
+    await fetch(page_url, method="GET")
+    event = await wait_for_future_safe(on_before_request_sent)
+
+    assert_before_request_sent_event(
+        event,
+        expected_request={
+            "destination": "",
+            "initiatorType": "fetch",
+        },
+    )
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/response_completed/response_completed.py b/tests/wpt/tests/webdriver/tests/bidi/network/response_completed/response_completed.py
index ff406ceb952..812df763bd6 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/network/response_completed/response_completed.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/response_completed/response_completed.py
@@ -18,6 +18,7 @@ from .. import (
     PAGE_EMPTY_SCRIPT,
     PAGE_EMPTY_SVG,
     PAGE_EMPTY_TEXT,
+    PAGE_INITIATOR,
     PAGE_SERVICEWORKER_HTML,
     RESPONSE_COMPLETED_EVENT,
 )
@@ -610,3 +611,55 @@ async def test_fetch_data_url(
         redirect_count=0,
     )
     assert events[0]["navigation"] is None
+
+
+@pytest.mark.asyncio
+async def test_destination_initiator(
+    bidi_session,
+    top_context,
+    wait_for_event,
+    wait_for_future_safe,
+    fetch,
+    setup_network_test,
+    url,
+):
+    network_events = await setup_network_test(events=[RESPONSE_COMPLETED_EVENT])
+    events = network_events[RESPONSE_COMPLETED_EVENT]
+
+    page_url = url(PAGE_INITIATOR["HTML"])
+
+    result = await bidi_session.browsing_context.navigate(
+        context=top_context["context"], url=page_url, wait="complete"
+    )
+
+    assert len(events) == 6
+
+    def assert_initiator_destination(url, initiator_type, destination):
+        event = next(e for e in events if url in e["request"]["url"])
+        assert_response_event(
+            event,
+            expected_request={
+                "destination": destination,
+                "initiatorType": initiator_type,
+            },
+        )
+
+    assert_initiator_destination(PAGE_INITIATOR["HTML"], None, "")
+    assert_initiator_destination(PAGE_INITIATOR["SCRIPT"], "script", "script")
+    assert_initiator_destination(PAGE_INITIATOR["STYLESHEET"], "link", "style")
+    assert_initiator_destination(PAGE_INITIATOR["IMAGE"], "img", "image")
+    assert_initiator_destination(PAGE_INITIATOR["BACKGROUND"], "css", "image")
+    assert_initiator_destination(PAGE_EMPTY_HTML, "iframe", "iframe")
+
+    # Perform an additional fetch, and check its destination.
+    on_response_completed = wait_for_event(RESPONSE_COMPLETED_EVENT)
+    await fetch(page_url, method="GET")
+    event = await wait_for_future_safe(on_response_completed)
+
+    assert_response_event(
+        event,
+        expected_request={
+            "destination": "",
+            "initiatorType": "fetch",
+        },
+    )
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/response_started/response_started.py b/tests/wpt/tests/webdriver/tests/bidi/network/response_started/response_started.py
index 47ab922b0da..25f1179f07a 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/network/response_started/response_started.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/response_started/response_started.py
@@ -17,6 +17,7 @@ from .. import (
     PAGE_EMPTY_SCRIPT,
     PAGE_EMPTY_SVG,
     PAGE_EMPTY_TEXT,
+    PAGE_INITIATOR,
     PAGE_SERVICEWORKER_HTML,
     RESPONSE_STARTED_EVENT,
 )
@@ -583,3 +584,55 @@ async def test_fetch_data_url(
         redirect_count=0,
     )
     assert events[0]["navigation"] is None
+
+
+@pytest.mark.asyncio
+async def test_destination_initiator(
+    bidi_session,
+    top_context,
+    wait_for_event,
+    wait_for_future_safe,
+    fetch,
+    setup_network_test,
+    url,
+):
+    network_events = await setup_network_test(events=[RESPONSE_STARTED_EVENT])
+    events = network_events[RESPONSE_STARTED_EVENT]
+
+    page_url = url(PAGE_INITIATOR["HTML"])
+
+    result = await bidi_session.browsing_context.navigate(
+        context=top_context["context"], url=page_url, wait="complete"
+    )
+
+    assert len(events) == 6
+
+    def assert_initiator_destination(url, initiator_type, destination):
+        event = next(e for e in events if url in e["request"]["url"])
+        assert_response_event(
+            event,
+            expected_request={
+                "destination": destination,
+                "initiatorType": initiator_type,
+            },
+        )
+
+    assert_initiator_destination(PAGE_INITIATOR["HTML"], None, "")
+    assert_initiator_destination(PAGE_INITIATOR["SCRIPT"], "script", "script")
+    assert_initiator_destination(PAGE_INITIATOR["STYLESHEET"], "link", "style")
+    assert_initiator_destination(PAGE_INITIATOR["IMAGE"], "img", "image")
+    assert_initiator_destination(PAGE_INITIATOR["BACKGROUND"], "css", "image")
+    assert_initiator_destination(PAGE_EMPTY_HTML, "iframe", "iframe")
+
+    # Perform an additional fetch, and check its destination.
+    on_response_started = wait_for_event(RESPONSE_STARTED_EVENT)
+    await fetch(page_url, method="GET")
+    event = await wait_for_future_safe(on_response_started)
+
+    assert_response_event(
+        event,
+        expected_request={
+            "destination": "",
+            "initiatorType": "fetch",
+        },
+    )
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-bg.png b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-bg.png
new file mode 100644
index 0000000000000000000000000000000000000000..5bcd4ea834a9885ebc4fa04b2bde0d27ca2c2056
GIT binary patch
literal 81
zcmeAS@N?(olHy`uVBq!ia0vp^Od!m`1|*BN@u~nRaZeY=5RT~NKj#m8n7?pgW8=qq
eXXY7<3=WNK|26wVn}A9fJYD@<);T3KF#rI|B^5jX

literal 0
HcmV?d00001

diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-img.png b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-img.png
new file mode 100644
index 0000000000000000000000000000000000000000..5bcd4ea834a9885ebc4fa04b2bde0d27ca2c2056
GIT binary patch
literal 81
zcmeAS@N?(olHy`uVBq!ia0vp^Od!m`1|*BN@u~nRaZeY=5RT~NKj#m8n7?pgW8=qq
eXXY7<3=WNK|26wVn}A9fJYD@<);T3KF#rI|B^5jX

literal 0
HcmV?d00001

diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-script.js b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-script.js
new file mode 100644
index 00000000000..abdfcb50a85
--- /dev/null
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-script.js
@@ -0,0 +1,3 @@
+"use strict";
+
+// nothing important
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-style.css b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-style.css
new file mode 100644
index 00000000000..15f8dd8f9c2
--- /dev/null
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator-style.css
@@ -0,0 +1,4 @@
+body {
+  background-image: url('simple-initiator-bg.png');
+  background-repeat: no-repeat;
+}
diff --git a/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator.html b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator.html
new file mode 100644
index 00000000000..184a3b3a70c
--- /dev/null
+++ b/tests/wpt/tests/webdriver/tests/bidi/network/support/initiator/simple-initiator.html
@@ -0,0 +1,17 @@
+
+
+
+
+  
+  
+  
+  Simple initiator test page
+
+
+
+
+
+
+
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/__init__.py b/tests/wpt/tests/webdriver/tests/bidi/storage/__init__.py
index 56ea5399143..ff73dff2757 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/__init__.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/__init__.py
@@ -96,3 +96,11 @@ async def get_default_partition_key(bidi_session, context=None):
     else:
         result = await bidi_session.storage.get_cookies(partition=BrowsingContextPartitionDescriptor(context))
     return result['partitionKey']
+
+
+async def assert_partition_key(bidi_session, actual, expected = {}, context=None):
+    expected = {
+        **(await get_default_partition_key(bidi_session, context)),
+        **expected
+    }
+    recursive_compare(expected, actual)
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/filter.py b/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/filter.py
index 7bfb743cfcf..1432da4709d 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/filter.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/filter.py
@@ -5,9 +5,9 @@ from webdriver.bidi.modules.storage import CookieFilter
 from . import assert_cookies_are_not_present
 from .. import (
     assert_cookie_is_set,
+    assert_partition_key,
     create_cookie,
     format_expiry_string,
-    get_default_partition_key,
     generate_expiry_date,
 )
 
@@ -52,9 +52,7 @@ async def test_filter(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -103,9 +101,7 @@ async def test_filter_domain(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -179,9 +175,7 @@ async def test_filter_expiry(
     result = await bidi_session.storage.delete_cookies(
         filter=CookieFilter(expiry=expiry_to_delete),
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -225,9 +219,7 @@ async def test_filter_name(bidi_session, new_tab, test_page, add_cookie, domain_
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -294,9 +286,7 @@ async def test_filter_same_site(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -358,9 +348,7 @@ async def test_filter_secure(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -425,9 +413,7 @@ async def test_filter_path(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
@@ -497,9 +483,7 @@ async def test_filter_http_only(
     result = await bidi_session.storage.delete_cookies(
         filter=filter,
     )
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, filter)
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/partition.py b/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/partition.py
index bf23abb720c..4e0ca081bcd 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/partition.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/delete_cookies/partition.py
@@ -8,8 +8,7 @@ from webdriver.bidi.modules.storage import (
 )
 
 from . import assert_cookies_are_not_present
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
-from ... import recursive_compare
+from .. import assert_cookie_is_set, create_cookie, assert_partition_key
 
 pytestmark = pytest.mark.asyncio
 
@@ -63,9 +62,7 @@ async def test_default_partition(
         )
 
     result = await bidi_session.storage.delete_cookies()
-    assert result == {
-        "partitionKey": (await get_default_partition_key(bidi_session))
-    }
+    await assert_partition_key(bidi_session, actual=result["partitionKey"])
 
     await assert_cookies_are_not_present(bidi_session)
 
@@ -104,7 +101,7 @@ async def test_partition_context(
         )
 
     result = await bidi_session.storage.delete_cookies(partition=partition)
-    assert result == {"partitionKey": (await get_default_partition_key(bidi_session, new_tab["context"]))}
+    await assert_partition_key(bidi_session, actual=result["partitionKey"], context=new_tab["context"])
 
     await assert_cookies_are_not_present(bidi_session, partition)
 
@@ -135,7 +132,7 @@ async def test_partition_context_iframe(
     )
 
     result = await bidi_session.storage.delete_cookies(partition=frame_partition)
-    assert result == {"partitionKey": (await get_default_partition_key(bidi_session, new_tab["context"]))}
+    await assert_partition_key(bidi_session, actual=result["partitionKey"], context=new_tab["context"])
 
     await assert_cookies_are_not_present(bidi_session, frame_partition)
 
@@ -199,12 +196,10 @@ async def test_partition_source_origin(
     )
 
     result = await bidi_session.storage.delete_cookies(partition=cookie1_partition)
-    assert result == {
-        "partitionKey": {
-            **(await get_default_partition_key(bidi_session)),
-            "sourceOrigin": cookie1_source_origin
-        }
-    }
+
+    await assert_partition_key(bidi_session, actual=result["partitionKey"], expected={
+        "sourceOrigin": cookie1_source_origin
+    })
 
     await assert_cookies_are_not_present(bidi_session, partition=cookie1_partition)
 
@@ -287,12 +282,10 @@ async def test_partition_user_context(
     result = await bidi_session.storage.delete_cookies(
         partition=StorageKeyPartitionDescriptor(user_context=user_context_1)
     )
-    assert result == {
-        "partitionKey": {
-            **(await get_default_partition_key(bidi_session)),
-            "userContext": user_context_1
-        }
-    }
+
+    await assert_partition_key(bidi_session, actual=result["partitionKey"], expected={
+        "userContext": user_context_1
+    })
 
     # Make sure that deleted cookies are not present.
     await assert_cookies_are_not_present(bidi_session, partition=cookie1_partition)
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/filter.py b/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/filter.py
index efa22f7dc9a..89965499eed 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/filter.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/filter.py
@@ -2,7 +2,7 @@ import pytest
 from webdriver.bidi.modules.network import NetworkBase64Value, NetworkStringValue
 from webdriver.bidi.modules.storage import CookieFilter
 
-from .. import create_cookie, format_expiry_string, get_default_partition_key, generate_expiry_date
+from .. import assert_partition_key, create_cookie, format_expiry_string, generate_expiry_date
 from ... import recursive_compare
 
 pytestmark = pytest.mark.asyncio
@@ -37,9 +37,7 @@ async def test_filter(
         filter=filter,
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
@@ -104,9 +102,7 @@ async def test_filter_domain(
         filter=CookieFilter(domain=domain),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
@@ -195,9 +191,7 @@ async def test_filter_expiry(
         filter=CookieFilter(expiry=cookie1_expiry),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
@@ -309,9 +303,7 @@ async def test_filter_same_site(
         filter=CookieFilter(same_site=same_site_1),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
@@ -379,9 +371,7 @@ async def test_filter_secure(
         filter=CookieFilter(secure=secure_1),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
@@ -459,9 +449,7 @@ async def test_filter_path(
         filter=CookieFilter(path=path_1),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
     recursive_compare(
@@ -540,9 +528,7 @@ async def test_filter_http_only(
         filter=CookieFilter(http_only=http_only_1),
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["name"])
     recursive_compare(
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/partition.py b/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/partition.py
index dbe882b8cfe..76fd6221a00 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/partition.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/get_cookies/partition.py
@@ -6,7 +6,7 @@ from webdriver.bidi.modules.storage import (
     StorageKeyPartitionDescriptor,
 )
 
-from .. import create_cookie, get_default_partition_key
+from .. import assert_partition_key, create_cookie
 from ... import recursive_compare
 
 pytestmark = pytest.mark.asyncio
@@ -38,9 +38,7 @@ async def test_default_partition(
 
     cookies = await bidi_session.storage.get_cookies()
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"])
     assert len(cookies["cookies"]) == 2
     # Provide consistent cookies order.
     (cookie_1, cookie_2) = sorted(cookies["cookies"], key=lambda c: c["domain"])
@@ -103,10 +101,9 @@ async def test_partition_context(
         partition=BrowsingContextPartitionDescriptor(new_tab["context"])
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session, new_tab["context"])),
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"], expected={
         "userContext": "default"
-    }
+    }, context=new_tab["context"])
     assert len(cookies["cookies"]) == 1
     recursive_compare(
         {
@@ -127,10 +124,9 @@ async def test_partition_context(
         partition=BrowsingContextPartitionDescriptor(new_context["context"])
     )
 
-    assert cookies["partitionKey"] == {
-        **(await get_default_partition_key(bidi_session, new_context["context"])),
+    await assert_partition_key(bidi_session, actual=cookies["partitionKey"], expected={
         "userContext": user_context
-    }
+    }, context=new_context["context"])
     assert len(cookies["cookies"]) == 0
 
 
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_expiry.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_expiry.py
index 7aac38da695..f2469f8cedc 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_expiry.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_expiry.py
@@ -1,25 +1,23 @@
 import pytest
-from .. import assert_cookie_is_not_set, assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_not_set, assert_partition_key, assert_cookie_is_set, create_cookie
 from datetime import datetime, timedelta
 import time
 
 pytestmark = pytest.mark.asyncio
 
 
-async def test_cookie_expiry_unset(bidi_session, set_cookie, test_page, domain_value):
+async def test_cookie_expiry_unset(bidi_session, set_cookie, domain_value):
     set_cookie_result = await set_cookie(
         cookie=create_cookie(
             domain=domain_value(),
             expiry=None))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     await assert_cookie_is_set(bidi_session, expiry=None, domain=domain_value())
 
 
-async def test_cookie_expiry_future(bidi_session, set_cookie, test_page, domain_value):
+async def test_cookie_expiry_future(bidi_session, set_cookie, domain_value):
     tomorrow = datetime.now() + timedelta(1)
     tomorrow_timestamp = time.mktime(tomorrow.timetuple())
 
@@ -28,14 +26,12 @@ async def test_cookie_expiry_future(bidi_session, set_cookie, test_page, domain_
             domain=domain_value(),
             expiry=tomorrow_timestamp))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     await assert_cookie_is_set(bidi_session, expiry=tomorrow_timestamp, domain=domain_value())
 
 
-async def test_cookie_expiry_past(bidi_session, set_cookie, test_page, domain_value):
+async def test_cookie_expiry_past(bidi_session, set_cookie, domain_value):
     yesterday = datetime.now() - timedelta(1)
     yesterday_timestamp = time.mktime(yesterday.timetuple())
 
@@ -44,8 +40,6 @@ async def test_cookie_expiry_past(bidi_session, set_cookie, test_page, domain_va
             domain=domain_value(),
             expiry=yesterday_timestamp))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     await assert_cookie_is_not_set(bidi_session)
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_http_only.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_http_only.py
index b2155d1ac20..f10935f5bf9 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_http_only.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_http_only.py
@@ -1,5 +1,5 @@
 import pytest
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_set, assert_partition_key, create_cookie
 
 pytestmark = pytest.mark.asyncio
 
@@ -15,9 +15,7 @@ async def test_cookie_http_only(bidi_session, set_cookie, test_page, domain_valu
     set_cookie_result = await set_cookie(
         cookie=create_cookie(domain=domain_value(), http_only=http_only))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     # `httpOnly` defaults to `false`.
     expected_http_only = http_only if http_only is not None else False
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_path.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_path.py
index 70084dee6e5..d766638fe96 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_path.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_path.py
@@ -1,5 +1,5 @@
 import pytest
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_set, assert_partition_key, create_cookie
 
 pytestmark = pytest.mark.asyncio
 
@@ -16,9 +16,7 @@ pytestmark = pytest.mark.asyncio
 async def test_cookie_path(bidi_session, test_page, set_cookie, domain_value, path):
     set_cookie_result = await set_cookie(cookie=create_cookie(domain=domain_value(), path=path))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     # `path` defaults to "/".
     expected_path = path if path is not None else "/"
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_same_site.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_same_site.py
index 27640bb9a6a..53d8ae99877 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_same_site.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_same_site.py
@@ -1,5 +1,5 @@
 import pytest
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_set, assert_partition_key, create_cookie
 
 pytestmark = pytest.mark.asyncio
 
@@ -17,9 +17,7 @@ async def test_cookie_secure(bidi_session, set_cookie, test_page, domain_value,
     set_cookie_result = await set_cookie(
         cookie=create_cookie(domain=domain_value(), same_site=same_site))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     # `same_site` defaults to "none".
     expected_same_site = same_site if same_site is not None else 'none'
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_secure.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_secure.py
index 81e462c87cc..bc3201ab804 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_secure.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/cookie_secure.py
@@ -1,5 +1,5 @@
 import pytest
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_set, assert_partition_key, create_cookie
 
 pytestmark = pytest.mark.asyncio
 
@@ -16,9 +16,7 @@ async def test_cookie_secure(bidi_session, set_cookie, test_page, domain_value,
     set_cookie_result = await set_cookie(
         cookie=create_cookie(domain=domain_value(), secure=secure))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     # `secure` defaults to `false`.
     expected_secure = secure if secure is not None else False
diff --git a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/page_protocols.py b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/page_protocols.py
index 295b09c10e9..d25b52852f9 100644
--- a/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/page_protocols.py
+++ b/tests/wpt/tests/webdriver/tests/bidi/storage/set_cookie/page_protocols.py
@@ -1,6 +1,6 @@
 import pytest
 from urllib.parse import urlparse
-from .. import assert_cookie_is_set, create_cookie, get_default_partition_key
+from .. import assert_cookie_is_set, assert_partition_key, create_cookie
 
 pytestmark = pytest.mark.asyncio
 
@@ -17,9 +17,7 @@ async def test_page_protocols(bidi_session, set_cookie, get_test_page, protocol)
     domain = urlparse(url).hostname
     set_cookie_result = await set_cookie(cookie=create_cookie(domain=domain))
 
-    assert set_cookie_result == {
-        'partitionKey': (await get_default_partition_key(bidi_session)),
-    }
+    await assert_partition_key(bidi_session, actual=set_cookie_result["partitionKey"])
 
     # Assert the cookie is actually set.
     await assert_cookie_is_set(bidi_session, domain=domain)
diff --git a/tests/wpt/tests/webdriver/tests/classic/perform_actions/conftest.py b/tests/wpt/tests/webdriver/tests/classic/perform_actions/conftest.py
index bb134a4eb1b..0c2f709bb04 100644
--- a/tests/wpt/tests/webdriver/tests/classic/perform_actions/conftest.py
+++ b/tests/wpt/tests/webdriver/tests/classic/perform_actions/conftest.py
@@ -74,7 +74,10 @@ def release_actions(session):
     ):
         time.sleep(0.1)
 
-    session.actions.release()
+    try:
+        session.actions.release()
+    except NoSuchWindowException:
+        pass
 
 
 @pytest.fixture
diff --git a/tests/wpt/tests/webdriver/tests/classic/perform_actions/key.py b/tests/wpt/tests/webdriver/tests/classic/perform_actions/key.py
index 7809fcd01a9..2d2a02d81a9 100644
--- a/tests/wpt/tests/webdriver/tests/classic/perform_actions/key.py
+++ b/tests/wpt/tests/webdriver/tests/classic/perform_actions/key.py
@@ -21,6 +21,20 @@ def test_no_browsing_context(session, closed_frame, key_chain):
         key_chain.key_up("a").perform()
 
 
+def test_key_down_closes_browsing_context(
+    session, configuration, http_new_tab, inline, key_chain
+):
+    session.url = inline("""
+        close
+        
+        """)
+    with pytest.raises(NoSuchWindowException):
+        key_chain.key_down("w") \
+            .pause(100 * configuration["timeout_multiplier"]) \
+            .key_up("w") \
+            .perform()
+
+
 def test_element_not_focused(session, test_actions_page, key_chain):
     key_reporter = session.find.css("#keys", all=False)
 
diff --git a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_mouse.py b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_mouse.py
index 215085d9438..a3ff8ae80a9 100644
--- a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_mouse.py
+++ b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_mouse.py
@@ -34,6 +34,21 @@ def test_no_browsing_context(session, closed_frame, mouse_chain):
         mouse_chain.click().perform()
 
 
+def test_pointer_down_closes_browsing_context(
+    session, configuration, http_new_tab, inline, mouse_chain
+):
+    session.url = inline(
+        """close""")
+    origin = session.find.css("input", all=False)
+
+    with pytest.raises(NoSuchWindowException):
+        mouse_chain.pointer_move(0, 0, origin=origin) \
+            .pointer_down(button=0) \
+            .pause(100 * configuration["timeout_multiplier"]) \
+            .pointer_up(button=0) \
+            .perform()
+
+
 @pytest.mark.parametrize("as_frame", [False, True], ids=["top_context", "child_context"])
 def test_stale_element_reference(session, stale_element, mouse_chain, as_frame):
     element = stale_element("input#text", as_frame=as_frame)
diff --git a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_pen.py b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_pen.py
index 7c384ca97d8..ab51ce93fac 100644
--- a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_pen.py
+++ b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_pen.py
@@ -30,6 +30,21 @@ def test_no_browsing_context(session, closed_frame, pen_chain):
         pen_chain.click().perform()
 
 
+def test_pointer_down_closes_browsing_context(
+    session, configuration, http_new_tab, inline, pen_chain
+):
+    session.url = inline(
+        """close""")
+    origin = session.find.css("input", all=False)
+
+    with pytest.raises(NoSuchWindowException):
+        pen_chain.pointer_move(0, 0, origin=origin) \
+            .pointer_down(button=0) \
+            .pause(100 * configuration["timeout_multiplier"]) \
+            .pointer_up(button=0) \
+            .perform()
+
+
 @pytest.mark.parametrize("as_frame", [False, True], ids=["top_context", "child_context"])
 def test_stale_element_reference(session, stale_element, pen_chain, as_frame):
     element = stale_element("input#text", as_frame=as_frame)
diff --git a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_touch.py b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_touch.py
index 70ffd68e9ea..180424b5984 100644
--- a/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_touch.py
+++ b/tests/wpt/tests/webdriver/tests/classic/perform_actions/pointer_touch.py
@@ -29,6 +29,21 @@ def test_no_browsing_context(session, closed_frame, touch_chain):
         touch_chain.click().perform()
 
 
+def test_pointer_down_closes_browsing_context(
+    session, configuration, http_new_tab, inline, touch_chain
+):
+    session.url = inline(
+        """close""")
+    origin = session.find.css("input", all=False)
+
+    with pytest.raises(NoSuchWindowException):
+        touch_chain.pointer_move(0, 0, origin=origin) \
+            .pointer_down(button=0) \
+            .pause(100 * configuration["timeout_multiplier"]) \
+            .pointer_up(button=0) \
+            .perform()
+
+
 @pytest.mark.parametrize("as_frame", [False, True], ids=["top_context", "child_context"])
 def test_stale_element_reference(session, stale_element, touch_chain, as_frame):
     element = stale_element("input#text", as_frame=as_frame)
diff --git a/tests/wpt/tests/webdriver/tests/support/html/test_actions_pointer.html b/tests/wpt/tests/webdriver/tests/support/html/test_actions_pointer.html
index dd169f0c5bc..09d1693ea37 100644
--- a/tests/wpt/tests/webdriver/tests/support/html/test_actions_pointer.html
+++ b/tests/wpt/tests/webdriver/tests/support/html/test_actions_pointer.html
@@ -1,7 +1,13 @@
 
-
 
 
+    
+    
+    
     Test Actions