[Webkit-unassigned] [Bug 203256] New: Layout Test imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-iceConnectionState.https.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203256

            Bug ID: 203256
           Summary: Layout Test
                    imported/w3c/web-platform-tests/webrtc/RTCPeerConnecti
                    on-iceConnectionState.https.html is a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: repstein at apple.com

The following layout test is a flaky failure on iOS13 and Catalina:

imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-iceConnectionState.https.html

The flakiness recently started on iOS around ~r251269 and on Mac around ~r251179.

Steps to Reproduce:

run-webkit-tests --ios-simulator --no-retry --no-sample-on-timeout -f --exit-after-n-failures 1 imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-iceConnectionState.https.html --iter 1000

Test History:

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2FRTCPeerConnection-iceConnectionState.https.html

Diff:

--- /Volumes/Data/slave/ios-simulator-13-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-iceConnectionState.https-expected.txt
+++ /Volumes/Data/slave/ios-simulator-13-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-iceConnectionState.https-actual.txt
@@ -1,3 +1,7 @@
+CONSOLE MESSAGE: Unhandled Promise Rejection: InvalidStateError: The object is in an invalid state.
+CONSOLE MESSAGE: Unhandled Promise Rejection: InvalidStateError: The object is in an invalid state.
+
+Harness Error (FAIL), message = The object is in an invalid state.

 PASS Initial iceConnectionState should be new 
 PASS Closing the connection should set iceConnectionState to closed

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