[Webkit-unassigned] [Bug 158480] New: REGRESSION(r201679): http/tests/websocket/tests/hybi/upgrade-simple-ws.html is flaky (Requested by ap on #webkit).

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=158480

            Bug ID: 158480
           Summary: REGRESSION(r201679):
                    http/tests/websocket/tests/hybi/upgrade-simple-ws.html
                    is flaky (Requested by ap on #webkit).
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

Investigate the cause of flakiness in the WebSocket upgrade code path:

Test: http/tests/websocket/tests/hybi/upgrade-simple-ws.html

The test is a flaky failure on El Capitan and iOS simulator. It is failing and crashing on Windows.

Recent failure:
<https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/builds/5721>

Flakiness dashboard:
<https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Ftests%2Fwebsocket%2Ftests%2Fhybi%2Fupgrade-simple-ws.html>

--- /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/http/tests/websocket/tests/hybi/upgrade-simple-ws-expected.txt
+++ /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/http/tests/websocket/tests/hybi/upgrade-simple-ws-actual.txt
@@ -4,8 +4,4 @@

 Created a socket to 'wss://127.0.0.1:9323/websocket/tests/hybi/simple'; readyState 0.
 The 'ws' protocol should be upgraded to 'wss'. If this happens, we will connect properly and the test will succeed.
-Connected; readyState 1
-Resolved URL: wss://127.0.0.1:9323/websocket/tests/hybi/simple
-Received: 'Hello from Simple WSH.'; readyState 1
-Closed; readyState 3.

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