[Webkit-unassigned] [Bug 198435] New: Layout test landed flaky in 245873 [ Release ] http/wpt/service-workers/service-worker-networkprocess-crash.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198435

            Bug ID: 198435
           Summary: Layout test landed flaky in 245873 [ Release ]
                    http/wpt/service-workers/service-worker-networkprocess
                    -crash.html is a flaky failure
           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: sroberts at apple.com

The following layout test is flaky on Mac WK2 and iOS Simulator Release builds

http/wpt/service-workers/service-worker-networkprocess-crash.html

Probable cause:

New test added in r245873 is a flaky failure on Release builds. 

When run in Debug will get a flaky assertion, or cause other tests to assert. see https://bugs.webkit.org/show_bug.cgi?id=198434

run-webkit-tests http/wpt/service-workers/service-worker-networkprocess-crash.html --iter 100 -f --exit-after-n-failures=2

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fservice-workers%2Fservice-worker-networkprocess-crash.html

Diff:

--- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/wpt/service-workers/service-worker-networkprocess-crash-expected.txt
+++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/wpt/service-workers/service-worker-networkprocess-crash-actual.txt
@@ -1,5 +1,6 @@
+

 PASS Setup worker 
 PASS Frame being controlled 
-PASS Frame being controlled after network process crash 
+FAIL Frame being controlled after network process crash assert_not_equals: got disallowed value null

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