Bug 279140 – REGRESSION (283140@main): [ macOS wk2 ] fast/scrolling/mac/scrollbars/scrollbar-state.html is a constant failure

• Status: NEW
• Component: Scrolling

[Anfernee Viduya]

fast/scrolling/mac/scrollbars/scrollbar-state.html 
is a constant failure.

HISTORY: 
https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fmac%2Fscrollbars%2Fscrollbar-state.html

DIFF: 
@@ -11,7 +11,7 @@
 PASS horizontalScrollbarStateForAuto is "none"
 overflow:scroll
 PASS verticalScrollbarStateForScroll is "enabled"
-PASS horizontalScrollbarStateForScroll is "disabled"
+FAIL horizontalScrollbarStateForScroll should be disabled. Was none.
 PASS successfullyParsed is true
 
 TEST COMPLETE

LINK: 
https://build.webkit.org/results/Apple-Sonoma-Release-WK2-Tests/283155@main%20(4431)/fast/scrolling/mac/scrollbars/scrollbar-state-diff.txt

REPRODUCIBILITY: 
I was able to reproduce on ToT using a test list. On its own the test passes.
run-webkit-test --test-list=test_list.txt --child-process=1 --iterations=5

DESCRIPTION:
Changes were made in scrolling on 283140@main. I have trimmed the test to 10 test that could be causing this test to fail.

[Radar WebKit Bug Importer]

<rdar://problem/135296417>

[Anfernee Viduya]

Created attachment 472451 [details]
Test List

[EWS]

Test gardening commit 283171@main (bc4aeaa614ef): <https://commits.webkit.org/283171@main>

Reviewed commits have been landed. Closing PR #33137 and removing active labels.