media/track/track-css-user-override.html This test is a highly intermittent failure. fails maybe once a day. I am able to reproduce the tests by running command: run-webkit-tests --iterations 2000 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --debug-rwt-logging --no-retry --force --no-build -f -1 media/track/track-css-user-override.html History: https://results.webkit.org/?suite=layout-tests&test=media%2Ftrack%2Ftrack-css-user-override.html --- /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/media/track/track-css-user-override-expected.txt +++ /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/media/track/track-css-user-override-actual.txt @@ -23,7 +23,7 @@ ** Mark background-color '!important' ** RUN(internals.setCaptionsStyleSheetOverride('video::cue { color: blue ; background-color: yellow !important; }')) EXPECTED (getComputedStyle(textTrackDisplayElement(video, 'cue')).color == 'rgb(128, 0, 128)') OK -EXPECTED (getComputedStyle(textTrackDisplayElement(video, 'cue')).backgroundColor == 'rgb(255, 255, 0)') OK +EXPECTED (getComputedStyle(textTrackDisplayElement(video, 'cue')).backgroundColor == 'rgb(255, 255, 0)'), OBSERVED 'rgb(0, 255, 0)' FAIL ** Mark color '!important' ** RUN(stylesheet.insertRule('video::cue { color: blue !important; background-color: yellow !important; }', 0))
<rdar://problem/61400750>
The smallest regression range I was able to find was 258432 - 258434
It looks like this was caused by https://trac.webkit.org/changeset/258434/webkit
Marked test as failing while this is investigated https://trac.webkit.org/changeset/259656/webkit
Created attachment 395889 [details] Patch
Created attachment 396014 [details] An improved patch for landing
Committed r259850: <https://trac.webkit.org/changeset/259850> All reviewed patches have been landed. Closing bug and clearing flags on attachment 396014 [details].