The following layout test is flaky on WK2 platforms. imported/w3c/web-platform-tests/service-workers/cache-storage/serviceworker/cache-storage-keys.https.html Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fservice-workers%2Fcache-storage%2Fserviceworker%2Fcache-storage-keys.https.html https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r226528%20(6750)/results.html https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK2%20(Tests)/builds/6750 Diff: --- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/cache-storage/serviceworker/cache-storage-keys.https-expected.txt +++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/service-workers/cache-storage/serviceworker/cache-storage-keys.https-actual.txt @@ -1,4 +1,5 @@ -PASS CacheStorage.keys -PASS CacheStorage keys +Harness Error (TIMEOUT), message = null +TIMEOUT CacheStorage.keys Test timed out + Could this be related to other similar service worker flakes that dealt with harness errors?
<rdar://problem/36384048>