[Webkit-unassigned] [Bug 192408] New: REGRESSION: Layout Test http/tests/security/cross-origin-css-resource-timing.html is flaky

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Dec 5 10:15:26 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=192408

            Bug ID: 192408
           Summary: REGRESSION: Layout Test
                    http/tests/security/cross-origin-css-resource-timing.h
                    tml is flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com
                CC: lforschler at apple.com

The following layout test is flaky on MacOS and iOS

http/tests/security/cross-origin-css-resource-timing.html

Probable cause:

Unknown regression point. the failure began 12/2 and is failing almost everywhere. I am unable to reproduce the issue locally with any command. 

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fsecurity%2Fcross-origin-css-resource-timing.html

Diff:
--- /Volumes/Data/slave/highsierra-release-tests-wk1/build/layout-test-results/http/tests/security/cross-origin-css-resource-timing-expected.txt
+++ /Volumes/Data/slave/highsierra-release-tests-wk1/build/layout-test-results/http/tests/security/cross-origin-css-resource-timing-actual.txt
@@ -1,3 +1,5 @@
+CONSOLE MESSAGE: Unhandled Promise Rejection: Error: assert_false: import expected false got true
+Test

-PASS CSS subresources of an opaque stylesheet should not populate resource timing entries 
+FAIL CSS subresources of an opaque stylesheet should not populate resource timing entries assert_false: import expected false got true

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