Bug 204509 – imported/w3c/web-platform-tests/dom/events/Event-dispatch-on-disabled-elements.html is flaky on iOS

• Component: New Bugs
• Status: RESOLVED DUPLICATE

[Aakash Jain]

imported/w3c/web-platform-tests/dom/events/Event-dispatch-on-disabled-elements.html is flaky on iOS Simulator WK2 release on iPhone. It is consistently failing on iOS sim debug and on iPad.

Flakiness dashboard:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fdom%2Fevents%2FEvent-dispatch-on-disabled-elements.html

[Aakash Jain]

e.g.:
https://build.webkit.org/results/Apple%20iOS%2013%20Simulator%20Release%20WK2%20(Tests)/r252766%20(1180)/results.html
https://build.webkit.org/results/Apple%20iOS%2013%20Simulator%20Release%20WK2%20(Tests)/r252762%20(1178)/results.html

Diff:
-FAIL Real clicks on disabled elements must not dispatch events. assert_true: HTMLSelectElement is enabled, so onclick must fire. expected true got false
+FAIL Real clicks on disabled elements must not dispatch events. assert_true: HTMLTextAreaElement is enabled, so onclick must fire. expected true got false
 

https://ews-build.webkit.org/results/iOS-13-Simulator-WK2-Tests-EWS/r384070-5464-clean-tree/results.html

Diff:
-PASS CSS Animation's animationcancel event fires on disabled form elements 
-FAIL Real clicks on disabled elements must not dispatch events. assert_true: HTMLSelectElement is enabled, so onclick must fire. expected true got false
+TIMEOUT CSS Animation's animationcancel event fires on disabled form elements Test timed out
+NOTRUN Real clicks on disabled elements must not dispatch events.

[Aakash Jain]

This is happening frequently and is slowing down EWS. Because of so much flakiness, EWS has to retry the tests/builds.

e.g.: https://ews-build.webkit.org/#/builders/24/builds/5471

[Alexey Proskuryakov]

Marking as a duplicate of bug 204272 for now, although there could be multiple issues to fix between flaky and non-flaky failures.

*** This bug has been marked as a duplicate of bug 204272 ***