Bug 232014

Summary:	[ iOS 15 ] fast/scrolling/ios/scroll-snap-with-relayouts tests are flaky failing
Product:	WebKit	Reporter:	ayumi_kojima
Component:	Scrolling	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	mrobinson, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	iPhone / iPad
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=173887

Description ayumi_kojima 2021-10-20 08:46:33 PDT

fast/scrolling/ios/scroll-snap-with-relayouts-vertical.html
fast/scrolling/ios/scroll-snap-with-relayouts-horizontal.html

Is flaky failing on iOS 15.

History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=fast%2Fscrolling%2Fios%2Fscroll-snap-with-relayouts-horizontal.html&test=fast%2Fscrolling%2Fios%2Fscroll-snap-with-relayouts-vertical.html

Result page: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r284518%20(239)/results.html

Diff:

--- /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/scrolling/ios/scroll-snap-with-relayouts-horizontal-expected.txt
+++ /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/scrolling/ios/scroll-snap-with-relayouts-horizontal-actual.txt
@@ -1,6 +1,7 @@
-PASS horizontal drag snapped to next snap point
-PASS relayouts should not caused the scroll area to snap back
+FAIL horizontal drag snapped to next snap point
+FAIL relayouts should not caused the scroll area to snap back
 PASS successfullyParsed is true
+Some tests failed.
 
 TEST COMPLETE
-980
+0

The tests have been flaky since they were introduced in https://trac.webkit.org/changeset/284448/webkit

Comment 1 Radar WebKit Bug Importer 2021-10-20 08:48:00 PDT

<rdar://problem/84463536>

Comment 2 ayumi_kojima 2021-10-20 08:52:26 PDT

Marked test expectations https://trac.webkit.org/changeset/284537/webkit