Intermittent TIMEOUT [expected CRASH] in /html/semantics/embedded-content/media-elements/preserves-pitch.html (WebDriver) #40352

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1. mrobinson

   added

   I-intermittentProblem reproduces intermittently.Problem reproduces intermittently.

   on Nov 2, 2025
2. tharkum commented on Nov 20, 2025

   

   tharkum

   on Nov 20, 2025

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   The following pull request servo/media#462 fixed the CRASH for this test, but the expected test results not was changed during merging into the upstream.

   Need to update the expected results and check later if WebDriver issue (TIMEOUT) still exist

   ./mach test-wpt tests/wpt/tests/html/semantics/embedded-content/media-elements/preserves-pitch.html -r --log-mach=-

   Unexpected Results
   ------------------
   /html/semantics/embedded-content/media-elements/preserves-pitch.html
     FAIL Test that preservesPitch is present and unprefixed. - assert_true: expected true got false
     FAIL Test that preservesPitch is on by default - assert_true: expected true got undefined
     FAIL The default playbackRate should not affect pitch, even with preservesPitch=false - assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
     FAIL Speed-ups should change the pitch when preservesPitch=false - assert_approx_equals: The actual pitch should be close to the expected pitch. expected 880 +/- 132 but got 431.0850439882698
     FAIL Slow-downs should change the pitch when preservesPitch=false - assert_approx_equals: The actual pitch should be close to the expected pitch. expected 220 +/- 33 but got 0
   
     UNEXPECTED-OK /html/semantics/embedded-content/media-elements/preserves-pitch.html
   
3. tharkum

   added

   E-less-complexStraightforward. Recommended for a new contributor.Straightforward. Recommended for a new contributor.

   on Nov 20, 2025
4. tharkum commented on Nov 20, 2025

   

   tharkum

   on Nov 20, 2025

   Last edited by tharkum

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   Possible TIMEOUT (WebDriver) issue due to the following code

       // The first time we run the test, we need to interact with the
       // AudioContext and Audio element via user gestures.
       await test_driver.bless("Play audio element", () => {
           return Promise.all([audio.play(), detector.ensureStart()]);
       });
   

   @yezhizhen < Did any fix for test_driver.bless was applied?
5. tharkum

   removed

   E-less-complexStraightforward. Recommended for a new contributor.Straightforward. Recommended for a new contributor.

   on Nov 25, 2025
6. TimvdLippe commented on Oct 2, 2026

   

   TimvdLippe

   on Oct 2, 2026

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   Closing as stale as this issue has not received any failure references for over a month
7. TimvdLippe

   closed this as completedon Oct 2, 2026