Regression (r252660): Layout Test platform/ios/mediastream/audio-muted-in-background-tab.html is failing

[Aakash Jain]

The following layout test is failing on iOS: platform/ios/mediastream/audio-muted-in-background-tab.html

Flakiness Dashboard:
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=platform%2Fios%2Fmediastream%2Faudio-muted-in-background-tab.html
https://results.webkit.org/?suite=layout-tests&test=platform%2Fios%2Fmediastream%2Faudio-muted-in-background-tab.html


e.g.:
https://build.webkit.org/results/Apple%20iOS%2013%20Simulator%20Debug%20WK2%20(Tests)/r252660%20(951)/results.html
https://ews-build.webkit.org/results/iOS-13-Simulator-WK2-Tests-EWS/r383865-5263/results.html


+++ /Volumes/Data/worker/iOS-13-Simulator-WK2-Tests-EWS/build/layout-test-results/platform/ios/mediastream/audio-muted-in-background-tab-actual.txt
@@ -1,6 +1,6 @@
 
 PASS Setup stream 
-PASS Hide page, video and audio should be muted 
+FAIL Hide page, video and audio should be muted assert_true: audio track is muted expected true got false

[Aakash Jain]

Seems like a regression from r252660. It was passing in r252658, failed in r252660.

[youenn fablet]

Will check this tomorrow.

[Radar WebKit Bug Importer]

<rdar://problem/57364353>

[Truitt Savell]

marked test as failing while waiting for resolution in https://trac.webkit.org/changeset/252695/webkit

[youenn fablet]

Probably, the active source is now in the core audio capture source factory while we are trying to go through the mock factory.

[youenn fablet]

Created attachment 384031 [details]
Patch

[youenn fablet]

Created attachment 384032 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 384032 [details]
Patch

Clearing flags on attachment: 384032

Committed r252737: <https://trac.webkit.org/changeset/252737>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.