[Webkit-unassigned] [Bug 179256] New: Multiple http/wpt/beacon/contentextensions/ test are flaky.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179256

            Bug ID: 179256
           Summary: Multiple http/wpt/beacon/contentextensions/ test are
                    flaky.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jlewis3 at apple.com
                CC: cdumez at apple.com

The tests:
http/wpt/beacon/contentextensions/beacon-blocked.html
http/wpt/beacon/contentextensions/beacon-redirect-blocked.html

are flaky according to the flakiness dashboard on Sierra and High Sierra.

They show signs of being flaky beyond the earliest run on the dashboard.

Example build:
https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r224405%20(5492)/results.html
https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK2%20(Tests)/builds/5492

History:
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fbeacon%2Fcontentextensions%2Fbeacon-blocked.html
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fbeacon%2Fcontentextensions%2Fbeacon-redirect-blocked.html


http/wpt/beacon/contentextensions/beacon-blocked.html diff

--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/http/wpt/beacon/contentextensions/beacon-blocked-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/http/wpt/beacon/contentextensions/beacon-blocked-actual.txt
@@ -1,5 +1,3 @@
-CONSOLE MESSAGE: line 9: Content blocker prevented frame displaying http://localhost:8800/WebKit/beacon/contentextensions/beacon-blocked.html from loading a resource from http://localhost:8800/WebKit/beacon/resources/beacon-preflight.py
-CONSOLE MESSAGE: line 9: Beacon API cannot load http://localhost:8800/WebKit/beacon/resources/beacon-preflight.py. Resource blocked by content blocker

-PASS Content extensions should be able to block beacons 
+FAIL Content extensions should be able to block beacons assert_false: sendBeacon should return false expected false got true


http/wpt/beacon/contentextensions/beacon-redirect-blocked.html diff:

--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/http/wpt/beacon/contentextensions/beacon-redirect-blocked-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/http/wpt/beacon/contentextensions/beacon-redirect-blocked-actual.txt
@@ -1,4 +1,3 @@
-CONSOLE MESSAGE: Beacon API cannot load http://127.0.0.1:8800/WebKit/beacon/resources/beacon-preflight.py?allowCors=1&cmd=put&id=f470f43c-258c-4c82-b880-ace3bcdb211c&redirect_status=307&location=http%3A%2F%2F127.0.0.1%3A8800%2FWebKit%2Fbeacon%2Fresources%2Fbeacon-preflight.py%3FallowCors%3D1%26cmd%3Dput%26id%3Df470f43c-258c-4c82-b880-ace3bcdb211c&count=1. Blocked by content extension

-PASS Content extensions should be able to block beacon redirects 
+FAIL Content extensions should be able to block beacon redirects assert_equals: Did not receive beacon expected 0 but got 1

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