Bug 306278 – [ MacOS arm ] media/media-source/media-managedmse-resume-after-remove.html is a flaky test failure.

• Status: NEW
• Component: Media

[Diego De La Toba]

media/media-source/media-managedmse-resume-after-remove.html is a flaky text failure on MacOS Sequoia+ arm. Found failures as far back as the test was introduced. 


TEXT DIFF:
--- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/media/media-source/media-managedmse-resume-after-remove-expected.txt
+++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/media/media-source/media-managedmse-resume-after-remove-actual.txt
@@ -17,7 +17,7 @@
 EVENT(waiting)
 EXPECTED (video.currentTime >= '1.5') OK
 EXPECTED (video.readyState == '1') OK
-EXPECTED (video.currentTime == currentTime == 'true') OK
+EXPECTED (video.currentTime == currentTime == 'true'), OBSERVED 'false' FAIL
 EXPECTED (video.readyState == '1') OK
 RUN(sourceBuffer.appendBuffer(loader.mediaSegment(0)))
 EVENT(update)


TEXT URL:
https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/306203@main%20(1288)/media/media-source/media-managedmse-resume-after-remove-pretty-diff.html


STEPS TO REPRODUCE: 
I was able to reproduce this on MacOS ToT with the following: 

run-webkit-test s--no-retry --force --iterations 2000 media/media-source/media-managedmse-resume-after-remove.html

[Radar WebKit Bug Importer]

<rdar://problem/168927081>

[Diego De La Toba]

Regression appears to start at 303527@main. 

I am going to mark expectations as pass/fail while this pends investigation.

[Diego De La Toba]

Pull request: https://github.com/WebKit/WebKit/pull/57267

[EWS]

Test gardening commit 306229@main (6a8e7f9444c6): <https://commits.webkit.org/306229@main>

Reviewed commits have been landed. Closing PR #57267 and removing active labels.