Bug 264177

Summary: NEW TEST (266745@main): [ macOS iOS ] requestidlecallback/requestidlecallback-deadline-shortened-by-rendering-update.html is flaky.
Product: WebKit Reporter: Marta Darbinyan <darbinyan>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: cdumez, j_stfleur, Morningstar, rniwa, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Marta Darbinyan 2023-11-03 13:18:42 PDT 
Description:
requestidlecallback/requestidlecallback-deadline-shortened-by-rendering-update.html test is flaky on macOS and iOS since it was introduced in 266745@main.


This issue can be reproduced by using the command:
run-webkit-tests  --exit-after-n-failures 50 --debug requestidlecallback/requestidlecallback-deadline-shortened-by-rendering-update.html

History:
https://results.webkit.org/?suite=layout-tests&test=requestidlecallback%2Frequestidlecallback-deadline-shortened-by-rendering-update.html&recent=false


Diff Log:
PASS idleDeadline.timeRemaining() > preferredRenderingUpdateInterval is true
7 PASS idleDeadline.timeRemaining() <= preferredRenderingUpdateInterval + 0.5 is true
8 PASS didRunIdleCallback is true
 6FAIL didRunIdleCallback should be true. Was false.
97PASS successfullyParsed is true
 8Some tests failed.
109
1110TEST COMPLETE
12 hello

Link:
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/270174@main%20(617)/requestidlecallback/requestidlecallback-deadline-shortened-by-rendering-update-pretty-diff.html
Comment 1 Radar WebKit Bug Importer 2023-11-03 13:19:20 PDT 
<rdar://problem/117919562>
Comment 2 EWS 2023-11-03 14:18:40 PDT 
Test gardening commit 270202@main (502f5ffa8e2f): <https://commits.webkit.org/270202@main>

Reviewed commits have been landed. Closing PR #19972 and removing active labels.
Comment 3 Jay Stfleur 2024-01-24 12:42:45 PST 
*** Bug 268023 has been marked as a duplicate of this bug. ***
Comment 4 Dawn Morningstar 2024-03-27 14:00:02 PDT 
The iOS expectation here seems incorrect... I think it's being overridden by a different expectation in ios-wk2