[Webkit-unassigned] [Bug 173432] New: Layout Test imported/w3c/web-platform-tests/fetch/api/policies/referrer-origin-worker.html is a flaky failure and crash.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=173432

            Bug ID: 173432
           Summary: Layout Test
                    imported/w3c/web-platform-tests/fetch/api/policies/ref
                    errer-origin-worker.html is a flaky failure and crash.
           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

imported/w3c/web-platform-tests/fetch/api/policies/referrer-origin-worker.html is a flaky failure and crash according to the flakiness dashboard.

The crash occurs on Sierra Debug WK1, this is a previously documented bug (link in see also).

The Flaky failures are on macOS Release Wk1 and on Sierra Debug WK1.
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fnosniff%2Fimportscripts.html

https://build.webkit.org/results/Apple%20Sierra%20Release%20WK1%20(Tests)/r218346%20(2494)/results.html
https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK1%20(Tests)/builds/2494

I was able to reproduce the failure on Sierra Release WK1 with:
run-webkit-tests imported/w3c/web-platform-tests/fetch/nosniff/importscripts.html -1 --iterations=100 -f --no-retry-failure

The test is flaky and will not fail every time the test is run. I had to run it 2-3 times to fail.

diff:
--- /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/fetch/nosniff/importscripts-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/fetch/nosniff/importscripts-actual.txt
@@ -1,3 +1,5 @@

-PASS Test importScripts() 
+Harness Error (TIMEOUT), message = null

+TIMEOUT Test importScripts() Test timed out
+

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