Throught builds 15760 to 15767, these are the common timeouts in these build runs: imported/w3c/web-platform-tests/css/css-animations/animation-delay-009.html imported/w3c/web-platform-tests/css/css-animations/animation-delay-010.html imported/w3c/web-platform-tests/css/css-color-adjust/rendering/dark-color-scheme/color-scheme-change-checkbox.html imported/w3c/web-platform-tests/css/css-display/display-none-inline-img.html imported/w3c/web-platform-tests/css/css-lists/change-list-descendant-display.html imported/w3c/web-platform-tests/css/css-overflow/dynamic-visible-to-clip-001.html imported/w3c/web-platform-tests/css/css-position/fixed-z-index-blend.html imported/w3c/web-platform-tests/css/css-position/position-sticky-fixed-ancestor-iframe.html imported/w3c/web-platform-tests/css/css-position/position-sticky-fixed-ancestor.html imported/w3c/web-platform-tests/css/css-position/position-sticky-scroll-reposition.html imported/w3c/web-platform-tests/css/css-position/position-sticky-scroll-with-clip-and-abspos.html imported/w3c/web-platform-tests/css/css-position/z-index-blend-will-change-overlapping-layers.html imported/w3c/web-platform-tests/css/css-pseudo/first-line-change-inline-color-nested.html imported/w3c/web-platform-tests/css/css-pseudo/first-line-change-inline-color.html imported/w3c/web-platform-tests/css/css-sizing/contain-intrinsic-size/contain-intrinsic-size-013.html imported/w3c/web-platform-tests/css/css-transitions/root-color-transition.html imported/w3c/web-platform-tests/css/css-ui/resize-change-margin.html imported/w3c/web-platform-tests/css/css-ui/text-overflow-017.html imported/w3c/web-platform-tests/css/css-values/vh_not_refreshing_on_chrome.html imported/w3c/web-platform-tests/html/rendering/replaced-elements/embedded-content-rendering-rules/canvas-update-with-border-object-fit.html imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/image-compositing-change.html imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/image-loading-lazy-slow-aspect-ratio.html imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/image-loading-lazy-slow.html imported/w3c/web-platform-tests/html/semantics/forms/the-option-element/dynamic-content-change-rendering.html imported/w3c/web-platform-tests/html/semantics/forms/the-select-element/reset-algorithm-rendering.html imported/w3c/web-platform-tests/mathml/presentation-markup/fractions/frac-bar-001.html imported/w3c/web-platform-tests/web-animations/timing-model/animations/infinite-duration-animation.html imported/w3c/web-platform-tests/web-animations/timing-model/animations/reverse-running-animation.html imported/w3c/web-platform-tests/web-animations/timing-model/animations/sync-start-times.html imported/w3c/web-platform-tests/web-animations/timing-model/animations/update-playback-rate-slow.html
Gardened these tests in https://trac.webkit.org/changeset/266906
Created attachment 408530 [details] Patch
Comment on attachment 408530 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=408530&action=review > Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:1971 > + RunLoop::current().dispatchAfter(1_ms, [] { Usually we frown upon timers in testing code, but given that the reason here is to make sure other things run and that the timeout is small and unlikely to cause tests to run more slowly, I am willing to accept this =]
Committed r266974: <https://trac.webkit.org/changeset/266974>