Bug 280244 – [ macOS ] 5x TestWebKitAPI.MediaSessionCoordinatorTest* (api-tests) are flaky failures

• Status: NEW
• Component: WebKit API

[Dawn Morningstar]

TestWebKitAPI.MediaSessionCoordinatorTest.CallSessionMethods
TestWebKitAPI.MediaSessionCoordinatorTest.JoinAndPrivateLeave
TestWebKitAPI.MediaSessionCoordinatorTest.JoinAndLeave
TestWebKitAPI.MediaSessionCoordinatorTest.CoordinatorMethodCallbacks
TestWebKitAPI.MediaSessionCoordinatorTest.StateChanges
These API tests are flakily failing on all queues though are more consistent on Debug queues.

History:
https://results.webkit.org/?suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&test=TestWebKitAPI.MediaSessionCoordinatorTest.CallSessionMethods&test=TestWebKitAPI.MediaSessionCoordinatorTest.CoordinatorMethodCallbacks&test=TestWebKitAPI.MediaSessionCoordinatorTest.JoinAndLeave&test=TestWebKitAPI.MediaSessionCoordinatorTest.JoinAndPrivateLeave&test=TestWebKitAPI.MediaSessionCoordinatorTest.StateChanges 

Test-run:
https://build.webkit.org/#/builders/1228/builds/18

STDIO:
https://build.webkit.org/#/builders/1228/builds/18/steps/19/logs/stdio 

FAILURE:
Failed
    TestWebKitAPI.MediaSessionCoordinatorTest.CallSessionMethods
        2024-09-23 18:07:11.016 TestWebKitAPI[20041:4454794] +[IMKClient subclass]: chose IMKClient_Legacy
        LEAK: 1 WebProcessPool
        LEAK: 1 WebPageProxy
        
        /Volumes/Data/worker/Apple-Sequoia-Debug-Build/build/Tools/TestWebKitAPI/Tests/WebKit/MediaSessionCoordinatorTest.mm:228
        Value of: eventListenerWasCalled("coordinatorstatechange"_s)
          Actual: false
        Expected: true

[Radar WebKit Bug Importer]

<rdar://problem/136550811>

[Dawn Morningstar]

Pull request: https://github.com/WebKit/WebKit/pull/34140

[EWS]

Test gardening commit 284132@main (2e90509e2a4d): <https://commits.webkit.org/284132@main>

Reviewed commits have been landed. Closing PR #34140 and removing active labels.