Bug 261344 – NEW TEST (267029@main): [ macOS wk2 ] requestidlecallback/requestidlecallback-does-not-block-timer.html is a flaky text failure.

• Status: NEW
• Component: DOM

[Ben Schwartz]

requestidlecallback/requestidlecallback-does-not-block-timer.html

This test is a flaky text failure on macOS wk2.

HISTORY:

https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=requestidlecallback%2Frequestidlecallback-in-page-cache.html&test=requestidlecallback%2Frequestidlecallback-does-not-block-timer.html

TEXT DIFF:

 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS didFireTimer is true
-PASS idleDeadline.timeRemaining() > 0 is true
-PASS idleDeadline.timeRemaining() is 0
-PASS didRunIdleCallback is true
+FAIL didRunIdleCallback should be true. Was false.
 PASS successfullyParsed is true
+Some tests failed.
 
 TEST COMPLETE
 
DIFF URL:

https://build.webkit.org/results/Apple-Ventura-Debug-WK2-GPUProcess-Tests/267753@main%20(3505)/requestidlecallback/requestidlecallback-does-not-block-timer-pretty-diff.html

REPRODUCIBILITY:

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

run-webkit-tests --verbose --clobber-old-results --iterations 2000 --child-processes 10 -f --exit-after-n-failures 1 requestidlecallback/requestidlecallback-does-not-block-timer.html

REGRESSION:

This test has been flaky since its introduction at 267029@main.

[Radar WebKit Bug Importer]

<rdar://problem/115181506>

[EWS]

Test gardening commit 267802@main (ba7050225fec): <https://commits.webkit.org/267802@main>

Reviewed commits have been landed. Closing PR #17602 and removing active labels.

[Bryan Medina]

It looks like the test also started flaky failing on iOS Release. Added test expectation to reflect that.

[EWS]

Test gardening commit 298923@main (b0f4944ba80b): <https://commits.webkit.org/298923@main>

Reviewed commits have been landed. Closing PR #49620 and removing active labels.