The test imported/w3c/web-platform-tests/css/css-animations/pending-style-changes-001.html is failing consistently on Mac WK1 testers. This occurred after https://trac.webkit.org/changeset/235948/webkit. diff: --- /Volumes/Data/slave/highsierra-debug-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/css/css-animations/pending-style-changes-001-expected.txt +++ /Volumes/Data/slave/highsierra-debug-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/css/css-animations/pending-style-changes-001-actual.txt @@ -1,4 +1,4 @@ -PASS Animatable::getAnimations() should be able to see a style-created CSS animation immediately -PASS Document::getAnimations() should be able to see a style-created CSS animation immediately +FAIL Animatable::getAnimations() should be able to see a style-created CSS animation immediately assert_equals: target.getAnimations() should include the CSS animation after animate class added. expected 1 but got 0 +FAIL Document::getAnimations() should be able to see a style-created CSS animation immediately assert_equals: document.getAnimations() should include the CSS animation after animate class added. expected 1 but got 0 build: https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/builds/5586 flakiness: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#tests=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-animations%2Fpending-style-changes-001.html