Bug 230571

Summary:	[ macOS wk2 Release ] imported/w3c/web-platform-tests/page-visibility/unload-bubbles.html is a flaky failure
Product:	WebKit	Reporter:	ayumi_kojima
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	cdumez, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description ayumi_kojima 2021-09-21 11:42:17 PDT

imported/w3c/web-platform-tests/page-visibility/unload-bubbles.html

Is flaky failing on macOS wk2 Release.

Result page: https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK2-Tests/r282810%20(4037)/results.html

Diff:

--- /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/page-visibility/unload-bubbles-expected.txt
+++ /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/page-visibility/unload-bubbles-actual.txt
@@ -1,3 +1,3 @@
 
-PASS visibilitychange event bubbles when fired on unload
+FAIL visibilitychange event bubbles when fired on unload assert_equals: expected "hidden" but got "visible"

Comment 1 Radar WebKit Bug Importer 2021-09-21 11:52:58 PDT

<rdar://problem/83362357>

Comment 2 ayumi_kojima 2021-09-21 11:56:12 PDT

Marked test expectations: https://trac.webkit.org/changeset/282834/webkit

Comment 3 ayumi_kojima 2021-10-11 14:03:31 PDT

I was not able to reproduce the failure locally on BigSur using run-webkit-tests imported/w3c/web-platform-tests/page-visibility/unload-bubbles.html --iterations 100 --exit-after-n-failures 1 --force -f