[ Mojave wk2 Debug ] fast/scrolling/mac/scrollbars/select-overlay-scrollbar-hovered.html is flaky failing and flaky timing out.

[Jason Lawrence]

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

Description:
This test is flaky timing out and failing on Mojave wk2 Debug. The flakiness is apparent throughout the visible history.

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fmac%2Fscrollbars%2Fselect-overlay-scrollbar-hovered.html&limit=50000&platform=mac&version_name=Mojave&style=debug

Failure Diff:
--- /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/fast/scrolling/mac/scrollbars/select-overlay-scrollbar-hovered-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/fast/scrolling/mac/scrollbars/select-overlay-scrollbar-hovered-actual.txt
@@ -7,7 +7,7 @@
 Initial state
 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



Timeout Diff:
--- /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/fast/scrolling/mac/scrollbars/select-overlay-scrollbar-hovered-expected.txt
+++ /Volumes/Data/slave/mojave-debug-tests-wk2/build/layout-test-results/fast/scrolling/mac/scrollbars/select-overlay-scrollbar-hovered-actual.txt
@@ -1,16 +1,5 @@
+#PID UNRESPONSIVE - WebKitTestRunner (pid 99986)
+FAIL: Timed out waiting for notifyDone to be called
 
-Test hover over the overlay scrollbar of a scrolling list
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-Initial state
-enabled
-Hovering vertical scrollbar should show expanded scrollbar
-PASS Scrollbar state: enabled,expanded,visible_track,visible_thumb
-Unhovering vertical scrollbar should hide it
-PASS Thumb and track hidden
-PASS successfullyParsed is true
-
-TEST COMPLETE
-
+#EOF
+#EOF

[Radar WebKit Bug Importer]

<rdar://problem/63896649>

[Jason Lawrence]

I have marked this test as flaky failing and flaky timing out while this issue is investigated.
https://trac.webkit.org/changeset/262459/webkit

[Simon Fraser (smfr)]

Created attachment 401094 [details]
Patch

[EWS]

Committed r262590: <https://trac.webkit.org/changeset/262590>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 401094 [details].