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      <base href="https://bugs.webkit.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ iOS Release ] imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https.html is a flaky failure"
   href="https://bugs.webkit.org/show_bug.cgi?id=228462">228462</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[ iOS Release ] imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https.html is a flaky failure
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>iPhone / iPad
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>New Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ayumi_kojima@apple.com
          </td>
        </tr></table>
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        <div>
        <pre>imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https.html

Is flaky failing on iOS 14 E Simulator wk2 Release.

History: <a href="https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2FRTCRtpReceiver-getContributingSources.https.html">https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2FRTCRtpReceiver-getContributingSources.https.html</a>

Diff: 

==========================

--- /Volumes/Data/worker/ios-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https-expected.txt
+++ /Volumes/Data/worker/ios-simulator-14-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https-actual.txt
@@ -1,3 +1,5 @@
+
+Harness Error (FAIL), message = Unhandled rejection: The object is in an invalid state.

 PASS [audio] getContributingSources() returns an empty list in loopback call
 PASS [video] getContributingSources() returns an empty list in loopback call

==========================

This might be related to <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION: (r261135-r262180): [ Mac wk2 Debug ] imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https.html is flaky failing."
   href="show_bug.cgi?id=213621">https://bugs.webkit.org/show_bug.cgi?id=213621</a>

Unlike the failures on MacOS, the flaky failure on iOS seems to have started on around 6/30/21

I was not able to reproduce the failure on iOS 15 simulator on my local machine. The test timed out instead using:

run-webkit-tests --ios-simulator --exit-after-n-failures 2 --exit-after-n-crashes-or-timeouts 2 --iterations 500 imported/w3c/web-platform-tests/webrtc/RTCRtpReceiver-getContributingSources.https.html</pre>
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