[Webkit-unassigned] [Bug 180093] New: Layout Test imported/w3c/web-platform-tests/service-workers/service-worker/fetch-response-xhr.https.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180093

            Bug ID: 180093
           Summary: Layout Test
                    imported/w3c/web-platform-tests/service-workers/servic
                    e-worker/fetch-response-xhr.https.html is flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jlewis3 at apple.com
                CC: cdumez at apple.com, youennf at gmail.com

imported/w3c/web-platform-tests/service-workers/service-worker/fetch-response-xhr.https.html is a flaky failure on all platforms according to the flakiness dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fservice-workers%2Fservice-worker%2Ffetch-response-xhr.https.html


https://build.webkit.org/results/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/r225219%20(1393)/results.html
https://build.webkit.org/builders/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/builds/1393

The flakiness looks to have started with revision:
https://trac.webkit.org/changeset/224857/webkit


diff:
--- /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/service-worker/fetch-response-xhr.https-expected.txt
+++ /Volumes/Data/slave/highsierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/service-worker/fetch-response-xhr.https-actual.txt
@@ -1,3 +1,5 @@

-PASS Verify the response of FetchEvent using XMLHttpRequest 
+Harness Error (TIMEOUT), message = null

+TIMEOUT Verify the response of FetchEvent using XMLHttpRequest Test timed out
+

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