196228 2019-03-25 16:45:52 -0700 [ Mac WK2 iOS Simulator ] REGRESSION (r243339) Layout Test http/tests/cache-storage/cache-records-persistency.https.html is a flaky failure 2019-04-10 15:47:16 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 196467 InRadar P2 Normal --- 1 sroberts webkit-unassigned cdumez lforschler webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1521111 0 sroberts 2019-03-25 16:45:52 -0700 The following layout tests are failing on Mac iOS Simulator WK2 http/tests/cache-storage/cache-clearing-origin.https.html http/tests/cache-storage/cache-records-persistency.https.html Probable cause: Tests have been flaky for awhile now, but changes in r243339 have caused it to become almost a 75% failure rate. Tests run prior to this revision fail approximately once in 1000 runs, with this revision they get 10 errors in 26 runs. Reproduced with : run-webkit-tests http/tests/cache-storage/cache-records-persistency.https.html http/tests/cache-storage/cache-clearing-origin.https.html --iterations 100 --child-process 1 --ios-simulator --exit-after-n-failures=10 --no-retry Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html?tests=http%2Ftests%2Fcache-storage%2Fcache-records-persistency.https.html+performance-api%2Fperformance-observer-periodic.html+scrollingcoordinator%2Fios%2Fui-scroll-fixed.html+storage%2Findexeddb%2Fmodern%2Fidbtransaction-objectstore-failures-private.html#showAllRuns=true&tests=http%2Ftests%2Fcache-storage%2Fcache-records-persistency.https.html%20http%2Ftests%2Fcache-storage%2Fcache-clearing-origin.https.html Diff : --- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/tests/cache-storage/cache-records-persistency.https-expected.txt +++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/tests/cache-storage/cache-records-persistency.https-actual.txt @@ -1,9 +1,7 @@ PASS Cleaning existing caches -PASS Cache.put called twice with matching Requests - keys should remain the same - testing persistency +FAIL Cache.put called twice with matching Requests - keys should remain the same - testing persistency promise_test: Unhandled rejection with value: object "TypeError: undefined is not an object (evaluating 'result.text')" PASS Cleaning created caches -PASS Checking persistency of cache keys -PASS Checking persistency of response -PASS Checking persistency of response body -PASS Testing overriding of an existing cached record that is not in memory +FAIL Checking persistency of cache keys assert_equals: expected 1 but got 0 +FAIL Checking persistency of response assert_equals: Cache.put should store the response persistently expected "[object Response]" but got "[object Undefined]" --- /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/tests/cache-storage/cache-records-persistency.https-expected.txt +++ /Volumes/Data/slave/ios-simulator-12-release-tests-wk2/build/layout-test-results/http/tests/cache-storage/cache-records-persistency.https-actual.txt @@ -1,9 +1,7 @@ PASS Cleaning existing caches -PASS Cache.put called twice with matching Requests - keys should remain the same - testing persistency +FAIL Cache.put called twice with matching Requests - keys should remain the same - testing persistency promise_test: Unhandled rejection with value: object "TypeError: undefined is not an object (evaluating 'result.text')" PASS Cleaning created caches -PASS Checking persistency of cache keys -PASS Checking persistency of response -PASS Checking persistency of response body -PASS Testing overriding of an existing cached record that is not in memory +FAIL Checking persistency of cache keys assert_equals: expected 1 but got 0 +FAIL Checking persistency of response assert_equals: Cache.put should store the response persistently expected "[object Response]" but got "[object Undefined]" 1521112 1 webkit-bug-importer 2019-03-25 16:47:22 -0700 <rdar://problem/49236210> 1521125 2 sroberts 2019-03-25 16:58:56 -0700 Marked as flaky in https://trac.webkit.org/changeset/243473/webkit While waiting for a fix. 1526170 3 youennf 2019-04-10 15:47:16 -0700 *** This bug has been marked as a duplicate of bug 196467 ***