[Webkit-unassigned] [Bug 218321] New: [GTK][WPE] test imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https.html is flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218321

            Bug ID: 218321
           Summary: [GTK][WPE] test
                    imported/w3c/web-platform-tests/webaudio/the-audio-api
                    /the-convolvernode-interface/active-processing.https.h
                    tml is flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WPE WebKit
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: bugs-noreply at webkitgtk.org, pnormand at igalia.com

The test imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https.html is flaky on GTK and on WPE

The flakiness is related to random timeouts. When it fails it generates a text failure with an internal timeout:

--- a/imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https-expected.txt   2020-10-15 19:37:14.979890994 +0200
+++ b/imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https-expected.txt   2020-10-29 03:40:16.406987604 +0100
@@ -1,14 +1,13 @@

+Harness Error (TIMEOUT), message = null
+
 PASS # AUDIT TASK RUNNER STARTED.
 PASS Executing "initialize"
-PASS Executing "test"
-PASS Audit report
+TIMEOUT Executing "test" Test timed out
+NOTRUN Audit report
 PASS > [initialize]
 PASS   AudioWorklet module loading resolved correctly.
 PASS < [initialize] All assertions passed. (total 1 assertions)
 PASS > [test]
 PASS   Test 0: Number of convolver output channels is equal to 2.
-FAIL X Number of distinct values is not equal to 2. Got 1. assert_true: expected true got false
-FAIL < [test] 1 out of 2 assertions were failed. assert_true: expected true got false
-FAIL # AUDIT TASK RUNNER FINISHED: 1 out of 2 tasks were failed. assert_true: expected true got false

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