Bug 210486 - [MSE] LayoutTests/imported/w3c/web-platform-tests/media-source/mediasource-correct-frames-after-reappend.html is flaky
Summary: [MSE] LayoutTests/imported/w3c/web-platform-tests/media-source/mediasource-co...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Media (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-04-14 04:37 PDT by Diego Pino
Modified: 2020-04-14 04:37 PDT (History)
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Description Diego Pino 2020-04-14 04:37:01 PDT 
The test has been very flaky since many builds ago. On a flaky failure the diff looks like:

Source: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r260030%20(13319)/imported/w3c/web-platform-tests/media-source/mediasource-correct-frames-after-reappend-diff.txt

--- /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-correct-frames-after-reappend-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-correct-frames-after-reappend-actual.txt
@@ -1,3 +1,7 @@
+CONSOLE MESSAGE: Error: assert_true: The note being played matches the expected one (boxes lit: 1, 466.2 Hz), found ~441.4 Hz expected true got false
+CONSOLE MESSAGE: Error: assert_true: The note being played matches the expected one (boxes lit: 2, 493.9 Hz), found ~441.4 Hz expected true got false
+
+Harness Error (FAIL), message = Error: assert_true: The note being played matches the expected one (boxes lit: 2, 493.9 Hz), found ~441.4 Hz expected true got false
 
 PASS Test the expected frames are played at the expected times, even in presence of reappends 

If the error is not relevant the error message can be skipped with DumpJSConsoleLogInStdErr.