[Webkit-unassigned] [Bug 184469] New: Layout Test http/wpt/service-workers/header-filtering.https.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184469

            Bug ID: 184469
           Summary: Layout Test
                    http/wpt/service-workers/header-filtering.https.html
                    is a flaky failure
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Service Workers
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

The following layout test is flaky on macOS

http/wpt/service-workers/header-filtering.https.html

Probable cause:

This test was added with https://trac.webkit.org/changeset/230365

Flakiness Dashboard:

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

--- /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/http/wpt/service-workers/header-filtering.https-expected.txt
+++ /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/http/wpt/service-workers/header-filtering.https-actual.txt
@@ -1,13 +1,12 @@
-

 PASS Prepare tests: setup worker and register the client 
 PASS Prepare tests: Add a frame controlled by service worker 
-PASS Test same-origin fetch 
+FAIL Test same-origin fetch assert_array_equals: lengths differ, expected 15 got 3
 FAIL Test cors cross-origin fetch assert_array_equals: lengths differ, expected 13 got 15
 FAIL Test no-cors cross-origin fetch assert_array_equals: lengths differ, expected 13 got 15
-PASS Test same-origin script load 
+FAIL Test same-origin script load assert_array_equals: lengths differ, expected 13 got 15
 PASS Test no-cors script load 
 PASS Test cors script load 
-FAIL Test HTML load assert_array_equals: lengths differ, expected 13 got 17
+PASS Test HTML load 
 PASS After tests clean-up

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