Bug 215506

Summary: [ macOS ] imported/w3c/web-platform-tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror.html is a flaky failure
Product: WebKit Reporter: Hector Lopez <hector_i_lopez>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Hector Lopez 2020-08-14 09:21:38 PDT 
imported/w3c/web-platform-tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror.html

Test is a flaky failure macOS according to history. The first occurrence of a failure is at r264168. Was also recorded as a flaky failure on iOS https://trac.webkit.org/changeset/249912/webkit

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fwebappapis%2Fscripting%2Fprocessing-model-2%2Funhandled-promise-rejections%2Fpromise-rejection-events-onerror.html&platform=mac&limit=50000

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror-actual.txt
@@ -1,5 +1,6 @@
 CONSOLE MESSAGE: Unhandled Promise Rejection: Error: e
-CONSOLE MESSAGE: Error: e2
 
-PASS Throwing inside an unhandledrejection handler invokes the error handler. 
+Harness Error (TIMEOUT), message = null
 
+TIMEOUT Throwing inside an unhandledrejection handler invokes the error handler. Test timed out
+
Comment 1 Radar WebKit Bug Importer 2020-08-14 09:22:01 PDT 
<rdar://problem/67077088>
Comment 2 Hector Lopez 2020-08-14 09:48:19 PDT 
Test expectation while investigated:

https://trac.webkit.org/changeset/265673/webkit