Bug 232282

Summary:	[ Mac wk2 ] fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html is a flaky failure
Product:	WebKit	Reporter:	Eric Hutchison <ehutchison>
Component:	Scrolling	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	ehutchison, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=215700 https://bugs.webkit.org/show_bug.cgi?id=231093

Description Eric Hutchison 2021-10-25 16:00:40 PDT

fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html

is a flaky failure on Mac wk2.

History: https://results.webkit.org/?suite=layout-tests&test=fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html

Build: https://ews-build.webkit.org/#/builders/59/builds/21461

Results: https://ews-build.s3-us-west-2.amazonaws.com/macOS-Catalina-Release-WK2-Tests-EWS/r442414-21461/results.html

Diff:
--- /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/layout-test-results/fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered-expected.txt
+++ /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/layout-test-results/fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered-actual.txt
@@ -6,7 +6,7 @@
 Document
 enabled
 Hovering vertical scrollbar should show expanded scrollbar
-PASS Scrollbar state: enabled,expanded,visible_track,visible_thumb
+PASS Scrollbar state: enabled,expanded
 Unhovering vertical scrollbar should hide it
 PASS Thumb and track hidden
 PASS successfullyParsed is true

14:54:43.009 10081 worker/15 "ruby -I /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/Websites/bugs.webkit.org/PrettyPatch /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/Websites/bugs.webkit.org/PrettyPatch/prettify.rb /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/layout-test-results/fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered-diff.txt" took 0.77s
14:54:43.012 10081 [17386/58407] fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html failed unexpectedly (text diff)
14:54:43.012 10081 worker/15 fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html failed:
14:54:43.012 10081 worker/15 text diff



See: https://bugs.webkit.org/show_bug.cgi?id=215700

Comment 1 Eric Hutchison 2021-10-25 16:01:50 PDT

reproduced on ToT (r284819) using run-webkit-tests -f --force --iterations 1000 --exit-after-n-failures 1 --clobber-old-results fast/scrolling/mac/scrollbars/overlay-scrollbar-hovered.html

Comment 2 Radar WebKit Bug Importer 2021-10-25 16:02:03 PDT

<rdar://problem/84635940>

Comment 3 Simon Fraser (smfr) 2021-10-25 16:03:19 PDT

I thought I fixed this in https://trac.webkit.org/changeset/283395/webkit

Comment 4 Eric Hutchison 2021-10-25 16:08:40 PDT

Updated test expectations at https://trac.webkit.org/changeset/284842/webkit