Bug 261848 – WKWebExtensionAPITabs.RemovedEvent is flaky (sometimes wrong tab ID)

• Status: NEW
• Component: WebKit Extensions

[Timothy Hatcher]

TestWebKitAPI.WKWebExtensionAPITabs.RemovedEvent
        
        webkit-extension://fe7b8bf7-d091-4df1-be02-e640cd5dc657/background.js:3
        The removed tab should have the correct id:
          Actual: 32
        Expected: 31

[Radar WebKit Bug Importer]

<rdar://problem/115809590>

[Timothy Hatcher]

*** Bug 262142 has been marked as a duplicate of this bug. ***

[Ben Schwartz]

Adding more information from duplicate bug.
__________

This test is a flaky/consistent failure on wk2 release builds.

HISTORY:

https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.WKWebExtensionAPITabs.RemovedEvent

REPRODUCIBILITY:

I was able to reproduce this issue on macOS Ventura (13.5, 22G74/arm64) ToT using the following command:

run-api-tests --verbose --debug --iterations 100 TestWebKitAPI.WKWebExtensionAPITabs.RemovedEvent

REGRESSION:

This test has been a flaky/consistent failure since it was introduced at 268092@main.

[Ben Schwartz]

CORRECTION:

No debug flag in reproduction command:

run-api-tests --verbose --iterations 100 TestWebKitAPI.WKWebExtensionAPITabs.RemovedEvent

[EWS]

Test gardening commit 268482@main (4b2de03965cc): <https://commits.webkit.org/268482@main>

Reviewed commits have been landed. Closing PR #18247 and removing active labels.

[Timothy Hatcher]

Pull request: https://github.com/WebKit/WebKit/pull/21981

[EWS]

Test gardening commit 272237@main (dcd6c460a032): <https://commits.webkit.org/272237@main>

Reviewed commits have been landed. Closing PR #21981 and removing active labels.