Bug 181167 – Layout Test imported/w3c/web-platform-tests/service-workers/service-worker/ServiceWorkerGlobalScope/update.https.html is flaky

• Status: RESOLVED
• Resolution: CONFIGURATION CHANGED
• Component: Service Workers

[Matt Lewis]

The following layout test is flaky on macOS and iOS WK2

imported/w3c/web-platform-tests/service-workers/service-worker/ServiceWorkerGlobalScope/update.https.html

Probable cause:

https://trac.webkit.org/changeset/226274/webkit

Flakiness Dashboard:

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

https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r226295%20(6597)/results.html
https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK2%20(Tests)/builds/6597

diff:
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/service-worker/ServiceWorkerGlobalScope/update.https-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/service-worker/ServiceWorkerGlobalScope/update.https-actual.txt
@@ -1,3 +1,4 @@
 
-PASS Update a registration on ServiceWorkerGlobalScope 
 
+FAIL Update a registration on ServiceWorkerGlobalScope assert_equals: events seen by the worker expected "updatefound,activate,fetch,message,updatefound,fetch" but got "updatefound,activate,fetch"
+

[Matt Lewis]

Marked as flaky in:
https://trac.webkit.org/changeset/226297/webkit

[youenn fablet]

Not flaky anymore

[Radar WebKit Bug Importer]

<rdar://problem/102131592>