1780783 - Perma LATE TEST-UNEXPECTED-FAIL | dom/media/test/test_video_low_power_telemetry.html | Test 2 enum 1 should have at least 1 occurrence; found 0. when Gecko 104 switches to Late Beta on 2022-08-05

Status: VERIFIED FIXED

(Core :: Graphics, defect)

Description

[Natalia Csoregi [:nataliaCs]]

• Central-as-beta
• How to run these simulations
• Failure log

[task 2022-07-22T12:43:15.674Z] 12:43:15     INFO - TEST-PASS | dom/media/test/test_video_low_power_telemetry.html | Test 2 should have telemetry. 
[task 2022-07-22T12:43:15.674Z] 12:43:15     INFO - Test 2 telemetry values are [6] = 0, [7] = 3, [8] = 0, 
[task 2022-07-22T12:43:15.674Z] 12:43:15     INFO - Buffered messages finished
[task 2022-07-22T12:43:15.675Z] 12:43:15     INFO - TEST-UNEXPECTED-FAIL | dom/media/test/test_video_low_power_telemetry.html | Test 2 enum 1 should have at least 1 occurrence; found 0. 
[task 2022-07-22T12:43:15.675Z] 12:43:15     INFO -     SimpleTest.ok@SimpleTest/SimpleTest.js:417:16
[task 2022-07-22T12:43:15.675Z] 12:43:15     INFO -     checkSnapshot@dom/media/test/test_video_low_power_telemetry.html:89:7
[task 2022-07-22T12:43:15.675Z] 12:43:15     INFO -     doPostTest@dom/media/test/test_video_low_power_telemetry.html:127:22
[task 2022-07-22T12:43:15.676Z] 12:43:15     INFO - Attempting to exit fullscreen.
[task 2022-07-22T12:43:15.709Z] 12:43:15     INFO - [finished gizmo.mp4-1] remaining= 
[task 2022-07-22T12:43:15.710Z] 12:43:15     INFO - TEST-PASS | dom/media/test/test_video_low_power_telemetry.html | [finished gizmo.mp4-1 t=123.757] Length of array should match number of running tests 

It only appears on Late-Beta.
Brad, can you take a look please?

Comment 1

[Brad Werth [:bradwerth]]

Attachment: Bug 1780783: Set specialize video pref at beginning of video telemetry test.

The gfx.core-animation.specialize-video pref is currently only on by
default in Nightly and Early Beta. This will ensure that the test works on
all the trains.

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/c70d753f50f5
Set specialize video pref at beginning of video telemetry test. r=gfx-reviewers,jrmuizel

Comment 3

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/c70d753f50f5

Comment 4

[bszekely]

Fix verified in today's beta simulation.