[Webkit-unassigned] [Bug 194779] New: [ Mac WK1 ] Layout Test http/wpt/mediarecorder/MediaRecorder-dataavailable.html is flaky text diff failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194779

            Bug ID: 194779
           Summary: [ Mac WK1 ] Layout Test
                    http/wpt/mediarecorder/MediaRecorder-dataavailable.htm
                    l is flaky text diff 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: sroberts at apple.com
                CC: lforschler at apple.com

The following layout test is flaky on Mac WK1

http/wpt/mediarecorder/MediaRecorder-dataavailable.html

Probable cause:

Test has had several fix attempts. Continues to be a flaky failure or time out on Mac WK1. Also showing on Mac WK2 as a flaky timeout, but unable to reproduce that locally.
Has had text expectations changed for iOS

Reproducible with:

run-webkit-tests t241662 http/wpt/mediarecorder/MediaRecorder-dataavailable.html --iterations 500 -f -1 --no-retry

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=http%2Fwpt%2Fmediarecorder%2FMediaRecorder-dataavailable.html

--- /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/http/wpt/mediarecorder/MediaRecorder-dataavailable-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/http/wpt/mediarecorder/MediaRecorder-dataavailable-actual.txt
@@ -1,5 +1,7 @@
+
+Harness Error (TIMEOUT), message = null

 PASS MediaRecorder will fire a dataavailable event with a blob data for a video-only stream when stop() is called 
-PASS MediaRecorder will fire a dataavailable event with a blob data for a audio-only stream when stop() is called 
+TIMEOUT MediaRecorder will fire a dataavailable event with a blob data for a audio-only stream when stop() is called Test timed out
 PASS MediaRecorder will fire a dataavailable event with a blob data for a video-audio stream when stop() is called

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