[Webkit-unassigned] [Bug 221698] [ Mac OS ] http/tests/media/modern-media-controls/time-control/10-hours-or-more.html is flakey timing out and flakey crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221698

--- Comment #2 from Robert Jenner <Jenner at apple.com> ---
History shows crashing started in r272065(1/29/21) on Big Sur Release Wk2.

Was able to duplicate a timeout in Big Sur Debug wk1 on r272638 using the following test:

run-webkit-test http/tests/media/modern-media-controls/time-control/10-hours-or-more.html --iterations 1000 -f -1 --debug-rwt-logging

RESULTS DIFF TEXT:
--- /Volumes/Data/Spades/testbuild-272638/layout-test-results/http/tests/media/modern-media-controls/time-control/10-hours-or-more-expected.txt
+++ /Volumes/Data/Spades/testbuild-272638/layout-test-results/http/tests/media/modern-media-controls/time-control/10-hours-or-more-actual.txt
@@ -1,11 +1,8 @@
+FAIL: Timed out waiting for notifyDone to be called
 Testing the display of time labels with a video that is over 10 hours.

 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


-PASS mediaController.controls.timeControl.elapsedTimeLabel.element.textContent became "00:00:05"

-PASS successfullyParsed is true

-TEST COMPLETE

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