transitions/transition-end-event-nested.html is a flaky failure

• Component: Animations
• Status: RESOLVED FIXED

[Eric Hutchison]

Created attachment 433616 [details]
Test List

transitions/transition-end-event-nested.html

is a flaky failure.

History: https://results.webkit.org/?suite=layout-tests&test=transitions%2Ftransition-end-event-nested.html&platform=ios&platform=mac

Diff: --- /Volumes/Data/worker/bigsur-debug-applesilicon-tests-wk2/build/layout-test-results/transitions/transition-end-event-nested-expected.txt
+++ /Volumes/Data/worker/bigsur-debug-applesilicon-tests-wk2/build/layout-test-results/transitions/transition-end-event-nested-actual.txt
@@ -2,5 +2,7 @@
 
 PASS --- [Expected] Property: background-color Target: box2 Elapsed Time: 0.2
 PASS --- [Expected] Property: left Target: box1 Elapsed Time: 0.2
-PASS --- [Expected] Property: width Target: box3 Elapsed Time: 0.3
 
+FAIL - Missing events
+[Missing] Property: width Target: box3 Elapsed Time: 0.3
+

Unable to reproduce issue using attached test list with run-webkit-tests -f -1 --iterations 5 --debug --test-list= on r279863 along with r279910 and r279945 with the -1 flag. 

Issue is occurring primarily on arm64 debug although there are instances of it on x86 and release versions.

[Eric Hutchison]

Created attachment 433618 [details]
Update Test Expectations

[Radar WebKit Bug Importer]

<rdar://problem/80647736>

[Robert Jenner]

Comment on attachment 433618 [details]
Update Test Expectations

Clearing flags on attachment: 433618

Committed r279957 (239700@main): <https://commits.webkit.org/239700@main>

[EWS]

Committed 274921@main (7c57e3d7752e): <https://commits.webkit.org/274921@main>

Reviewed commits have been landed. Closing PR #24682 and removing active labels.