Bug: Intermittent browser/base/content/test/tabs/browser_tab_play.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-10-12 06:27:25+00:00
Resolved: 2023-06-30 12:00:47+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=392947299&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KPwWVaJnQhCCD9H3JytZtg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-10-12T04:59:41.740Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is muted - 
[task 2022-10-12T04:59:41.741Z] 04:59:41     INFO - Leaving test bound testDelayPlayWontAffectMuteStatus
[task 2022-10-12T04:59:41.741Z] 04:59:41     INFO - Entering test bound testDelayPlayWhenSwitchingTab
[task 2022-10-12T04:59:41.742Z] 04:59:41     INFO - Add media tabs
[task 2022-10-12T04:59:41.743Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.743Z] 04:59:41     INFO - Buffered messages logged at 04:58:59
[task 2022-10-12T04:59:41.744Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.745Z] 04:59:41     INFO - Play both tabs
[task 2022-10-12T04:59:41.746Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.747Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | The tab should be activemedia-blocked - 
[task 2022-10-12T04:59:41.747Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | The tab should be activemedia-blocked - 
[task 2022-10-12T04:59:41.748Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab0 is activemedia-blocked - 
[task 2022-10-12T04:59:41.749Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is activemedia-blocked - 
[task 2022-10-12T04:59:41.749Z] 04:59:41     INFO - Switch to tab0
[task 2022-10-12T04:59:41.750Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab0 is active - 
[task 2022-10-12T04:59:41.751Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab0 is not activemedia-blocked - 
[task 2022-10-12T04:59:41.751Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is activemedia-blocked - 
[task 2022-10-12T04:59:41.752Z] 04:59:41     INFO - Switch to tab1
[task 2022-10-12T04:59:41.753Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.754Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.754Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.760Z] 04:59:41     INFO - Buffered messages logged at 04:59:00
[task 2022-10-12T04:59:41.760Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.761Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.761Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.762Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.762Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.763Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.763Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.763Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.764Z] 04:59:41     INFO - Buffered messages logged at 04:59:01
[task 2022-10-12T04:59:41.764Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.765Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.765Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.765Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.766Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is active - 
[task 2022-10-12T04:59:41.766Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab0 is not activemedia-blocked - 
[task 2022-10-12T04:59:41.767Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is not activemedia-blocked - 
[task 2022-10-12T04:59:41.767Z] 04:59:41     INFO - Leaving test bound testDelayPlayWhenSwitchingTab
[task 2022-10-12T04:59:41.767Z] 04:59:41     INFO - Entering test bound testDelayPlayWhenUsingButton
[task 2022-10-12T04:59:41.768Z] 04:59:41     INFO - Add media tabs
[task 2022-10-12T04:59:41.768Z] 04:59:41     INFO - Console message: [JavaScript Error: "TypeError: can't access property "audioPlaybackStopped", browser is null" {file: "resource://gre/actors/AudioPlaybackParent.jsm" line: 24}]
[task 2022-10-12T04:59:41.769Z] 04:59:41     INFO - receiveMessage@resource://gre/actors/AudioPlaybackParent.jsm:24:9
[task 2022-10-12T04:59:41.770Z] 04:59:41     INFO - 
[task 2022-10-12T04:59:41.770Z] 04:59:41     INFO - Console message: [JavaScript Error: "TypeError: can't access property "audioPlaybackStopped", browser is null" {file: "resource://gre/actors/AudioPlaybackParent.jsm" line: 24}]
[task 2022-10-12T04:59:41.771Z] 04:59:41     INFO - receiveMessage@resource://gre/actors/AudioPlaybackParent.jsm:24:9
[task 2022-10-12T04:59:41.771Z] 04:59:41     INFO - 
[task 2022-10-12T04:59:41.772Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.773Z] 04:59:41     INFO - Buffered messages logged at 04:59:02
[task 2022-10-12T04:59:41.773Z] 04:59:41     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "chrome://global/content/elements/videocontrols.js" line: 1301}]
[task 2022-10-12T04:59:41.774Z] 04:59:41     INFO - Play both tabs
[task 2022-10-12T04:59:41.774Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | The tab should be activemedia-blocked - 
[task 2022-10-12T04:59:41.775Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | The tab should be activemedia-blocked - 
[task 2022-10-12T04:59:41.775Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | The tab should be activemedia-blocked - 
[task 2022-10-12T04:59:41.776Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab0 is activemedia-blocked - 
[task 2022-10-12T04:59:41.777Z] 04:59:41     INFO - TEST-PASS | browser/base/content/test/tabs/browser_tab_play.js | Tab1 is activemedia-blocked - 
[task 2022-10-12T04:59:41.777Z] 04:59:41     INFO - Press the Play Tab icon on tab0
[task 2022-10-12T04:59:41.778Z] 04:59:41     INFO - Buffered messages finished
[task 2022-10-12T04:59:41.779Z] 04:59:41     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_play.js | Test timed out - 
[task 2022-10-12T04:59:41.779Z] 04:59:41     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-10-12T04:59:41.780Z] 04:59:41     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_play.js | Uncaught exception received from previously timed out test - popupshown listener on #tabbrowser-tab-tooltip not removed before the end of test
[task 2022-10-12T04:59:41.781Z] 04:59:41     INFO - Entering test bound testTabContextMenu
[task 2022-10-12T04:59:41.781Z] 04:59:41     INFO - Add media tab
[task 2022-10-12T04:59:41.782Z] 04:59:41     INFO - GECKO(6896) | MEMORY STAT | vsize 12347MB | residentFast 531MB | heapAllocated 341MB
[task 2022-10-12T04:59:41.783Z] 04:59:41     INFO - TEST-OK | browser/base/content/test/tabs/browser_tab_play.js | took 45053ms
[task 2022-10-12T04:59:41.783Z] 04:59:41     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-10-12T04:59:41.784Z] 04:59:41     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_play.js | Found a tab after previous test timed out: about:blank - 
[task 2022-10-12T04:59:41.785Z] 04:59:41     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-10-12T04:59:41.785Z] 04:59:41     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_play.js | Found a tab after previous test timed out: https://example.com/browser/browser/base/content/test/tabs/file_mediaPlayback.html - 
[task 2022-10-12T04:59:41.786Z] 04:59:41     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-10-12T04:59:41.787Z] 04:59:41     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_play.js | Found a tab after previous test timed out: https://example.com/browser/browser/base/content/test/tabs/file_mediaPlayback.html - 
[task 2022-10-12T04:59:41.787Z] 04:59:41     INFO - checking window state
[task 2022-10-12T04:59:41.788Z] 04:59:41     INFO - TEST-START | browser/base/content/test/tabs/browser_tab_tooltips.js
```