[Webkit-unassigned] [Bug 191644] New: [ Sierra Release WK2 ] Layout Test fast/workers/worker-cloneport.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=191644

            Bug ID: 191644
           Summary: [ Sierra Release WK2 ] Layout Test
                    fast/workers/worker-cloneport.html 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 Sierra Release WK2

fast/workers/worker-cloneport.html

Probable cause:

Test is only showing flakiness on this platform. flakiness is there for the whole history and the test isn't new

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fworkers%2Fworker-cloneport.html

Diff:
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/fast/workers/worker-cloneport-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/fast/workers/worker-cloneport-actual.txt
@@ -1,6 +1,6 @@
 Test MessagePort messaging/entangle/detangle across threads. Should print "SUCCESS" when done.

 PASS: Received request for 50000 messages
-SUCCESS - received 50000 messages.
+FAILURE: Received: 0 events - expected: 50000
 DONE

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