Bug 212851

Summary: [ Mojave wk2 Release ] js/dom/unhandled-promise-rejection-console-no-report.html is flaky failing.
Product: WebKit Reporter: Jason Lawrence <Lawrence.j>
Component: JavaScriptCoreAssignee: Yusuke Suzuki <ysuzuki>
Status: RESOLVED FIXED    
Severity: Normal CC: darin, webkit-bot-watchers-bugzilla, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Mac   
OS: macOS 10.15   
Attachments:
Description Flags
Patch none

Description Jason Lawrence 2020-06-05 15:32:02 PDT 
js/dom/unhandled-promise-rejection-console-no-report.html

Description:
This test is flaky failing on Mojave wk2 Release. It has been flaky failing throughout the visible history.

History:
https://results.webkit.org/?suite=layout-tests&test=js%2Fdom%2Funhandled-promise-rejection-console-no-report.html&version_name=Mojave&style=release&flavor=wk2&limit=50000

Diff:
--- /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/js/dom/unhandled-promise-rejection-console-no-report-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/js/dom/unhandled-promise-rejection-console-no-report-actual.txt
@@ -2,7 +2,7 @@
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-PASS count is 3
+FAIL count should be 3. Was 0.
 PASS successfullyParsed is true
 
 TEST COMPLETE
Comment 1 Radar WebKit Bug Importer 2020-06-05 15:32:26 PDT 
<rdar://problem/64047689>
Comment 2 Jason Lawrence 2020-06-05 15:37:37 PDT 
I have marked this test as flaky failing while this issue is investigated. 
https://trac.webkit.org/changeset/262660/webkit
Comment 3 Jason Lawrence 2020-06-05 15:41:16 PDT 
I was able to reproduce this issue on Mojave wk2 Release with r262635 using the command below.

run-webkit-tests --iterations 999 --exit-after-n-failures 3 --force -f js/dom/unhandled-promise-rejection-console-no-report.html

[7/999] js/dom/unhandled-promise-rejection-console-no-report.html failed unexpectedly (text diff)
Comment 4 Yusuke Suzuki 2020-06-12 10:30:34 PDT 
Created attachment 401748 [details]
Patch
Comment 5 Yusuke Suzuki 2020-06-12 11:51:15 PDT 
Comment on attachment 401748 [details]
Patch

Thanks!
Comment 6 EWS 2020-06-12 11:53:42 PDT 
Committed r262963: <https://trac.webkit.org/changeset/262963>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 401748 [details].