The following layout test is flaky on iOS and macOS.
The test has been flaky since it was imported as part of https://trac.webkit.org/changeset/229809/webkit. The test has failed at least once on release, but it is very flaky on debug bots.
@@ -6,6 +6,6 @@
PASS After cancelling an animation, updating animation properties doesn't make it live again
PASS After cancelling an animation, updating animation-play-state doesn't make it live again
PASS Setting animation-name to 'none' cancels the animation
-PASS Setting display:none on an element cancel its animations
+FAIL Setting display:none on an element cancel its animations assert_equals: expected "idle" but got "running"
PASS Setting display:none on an ancestor element cancels animations on descendants
Marked test as flaky in https://trac.webkit.org/r229976
This will be fixed by https://bugs.webkit.org/show_bug.cgi?id=183821.
Committed r232961: <https://trac.webkit.org/changeset/232961>