Bug: Intermittent browser/modules/test/browser/browser_TabUnloader.js | tab is playing sound - | tab is pinned and playing sound -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-08-05 00:04:28+00:00
Resolved: 2021-05-25 17:01:43+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=312055021&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Au5-1bttQ6qYiAjQfsYdig/runs/0/artifacts/public/logs/live_backing.log

---

```
[task 2020-08-04T23:14:41.203Z] 23:14:41     INFO - TEST-START | browser/modules/test/browser/browser_TabUnloader.js
[task 2020-08-04T23:14:41.224Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001FA95174C00 == 2 [pid = 6180] [id = {d9285991-e62a-489a-92c0-b75cf4c92c8a}]
[task 2020-08-04T23:14:41.224Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 44 (000001FA996E0F60) [pid = 6180] [serial = 97] [outer = 0000000000000000]
[task 2020-08-04T23:14:41.224Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 45 (000001FA951B8800) [pid = 6180] [serial = 98] [outer = 000001FA996E0F60]
[task 2020-08-04T23:14:41.342Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (000002273195D800) [pid = 6048] [serial = 58] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:41.361Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 00000227301B6400 == 0 [pid = 6048] [id = {eb59a7ca-8cbd-41ec-9b3b-4adec8afd6b9}] [url = about:blank]
[task 2020-08-04T23:14:41.361Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 46 (000001FA98C45000) [pid = 6180] [serial = 99] [outer = 000001FA996E0F60]
[task 2020-08-04T23:14:41.533Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000002272FAB2000 == 1 [pid = 6048] [id = {42637327-e90c-4f88-828b-c2e3ecc1cc8b}]
[task 2020-08-04T23:14:41.533Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (000002273012A090) [pid = 6048] [serial = 62] [outer = 0000000000000000]
[task 2020-08-04T23:14:41.533Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (00000227301BB000) [pid = 6048] [serial = 63] [outer = 000002273012A090]
[task 2020-08-04T23:14:41.712Z] 23:14:41     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 5 (0000022731957000) [pid = 6048] [serial = 64] [outer = 000002273012A090]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 45 (000001FA97960800) [pid = 6180] [serial = 69] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 44 (000001FA98C44000) [pid = 6180] [serial = 67] [outer = 0000000000000000] [url = https://test1.example.com/]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 43 (000001FA97AB9800) [pid = 6180] [serial = 62] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 42 (000001FA97963000) [pid = 6180] [serial = 70] [outer = 0000000000000000] [url = https://test1.example.com/]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (000001FA97AC3000) [pid = 6180] [serial = 59] [outer = 0000000000000000] [url = https://name:password@example.com/]
[task 2020-08-04T23:14:41.852Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (000001FA97966800) [pid = 6180] [serial = 71] [outer = 0000000000000000] [url = https://name:password@example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 39 (000001FA9796C800) [pid = 6180] [serial = 74] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 38 (000001FA98C39800) [pid = 6180] [serial = 57] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 37 (000001FA95178000) [pid = 6180] [serial = 60] [outer = 0000000000000000] [url = http://example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 36 (000001FA98C41000) [pid = 6180] [serial = 66] [outer = 0000000000000000] [url = http://example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 35 (000001FA98C3AC00) [pid = 6180] [serial = 64] [outer = 0000000000000000] [url = https://test1.example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 34 (000001FA97AC4800) [pid = 6180] [serial = 63] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.853Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (000001FA97967800) [pid = 6180] [serial = 72] [outer = 0000000000000000] [url = http://example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (000001FA97AC0000) [pid = 6180] [serial = 51] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (000001FA951B2C00) [pid = 6180] [serial = 61] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (000001FA98C3E800) [pid = 6180] [serial = 65] [outer = 0000000000000000] [url = https://name:password@example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (000001FA98C3BC00) [pid = 6180] [serial = 58] [outer = 0000000000000000] [url = https://test1.example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (000001FA951B8C00) [pid = 6180] [serial = 48] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-08-04T23:14:41.854Z] 23:14:41     INFO - GECKO(1816) | [Child 6180: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001FA95174000 == 1 [pid = 6180] [id = {bad9bab6-0248-4a12-ae2b-394c733e3526}] [url = http://example.net/]
[task 2020-08-04T23:14:41.856Z] 23:14:41     INFO - GECKO(1816) | [Child 9900: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001F0A00AC800 == 1 [pid = 9900] [id = {6d1b6e66-7287-4862-aac4-fdde17322a88}]
[task 2020-08-04T23:14:41.856Z] 23:14:41     INFO - GECKO(1816) | [Child 9900: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (000001F0A053D090) [pid = 9900] [serial = 19] [outer = 0000000000000000]
[task 2020-08-04T23:14:41.858Z] 23:14:41     INFO - GECKO(1816) | [Child 9900: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (000001F0A00B8400) [pid = 9900] [serial = 20] [outer = 000001F0A053D090]
[task 2020-08-04T23:14:42.040Z] 23:14:42     INFO - GECKO(1816) | [Child 9900: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (000001F0A05AD800) [pid = 9900] [serial = 21] [outer = 000001F0A053D090]
[task 2020-08-04T23:14:42.193Z] 23:14:42     INFO - GECKO(1816) | [Child 1040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 00000247131AD800 == 1 [pid = 1040] [id = {8357c79d-1b9a-4f9c-8ece-118a9fd6a09c}]
[task 2020-08-04T23:14:42.194Z] 23:14:42     INFO - GECKO(1816) | [Child 1040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (0000024713637090) [pid = 1040] [serial = 10] [outer = 0000000000000000]
[task 2020-08-04T23:14:42.194Z] 23:14:42     INFO - GECKO(1816) | [Child 1040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (00000247131B1800) [pid = 1040] [serial = 11] [outer = 0000024713637090]
[task 2020-08-04T23:14:42.213Z] 23:14:42     INFO - GECKO(1816) | Waiting for browser load
[task 2020-08-04T23:14:42.213Z] 23:14:42     INFO - GECKO(1816) | Waiting for browser state change
[task 2020-08-04T23:14:42.299Z] 23:14:42     INFO - GECKO(1816) | Saw state f0001 and status 0
[task 2020-08-04T23:14:42.398Z] 23:14:42     INFO - GECKO(1816) | [Child 1040, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp, line 351
[task 2020-08-04T23:14:42.399Z] 23:14:42     INFO - GECKO(1816) | [Child 1040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (0000024713679000) [pid = 1040] [serial = 12] [outer = 0000024713637090]
[task 2020-08-04T23:14:42.675Z] 23:14:42     INFO - GECKO(1816) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to c:\users\task_1596580165\appdata\local\temp\tmp_xarug.mozrunner\runtests_leaks_rdd_pid6456.log
[task 2020-08-04T23:14:42.675Z] 23:14:42     INFO - GECKO(1816) | [6456, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp, line 246
[task 2020-08-04T23:14:42.724Z] 23:14:42     INFO - GECKO(1816) | Saw state c0010 and status 0
[task 2020-08-04T23:14:42.724Z] 23:14:42     INFO - GECKO(1816) | Browser got expected state change http://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html
[task 2020-08-04T23:14:42.763Z] 23:14:42     INFO - GECKO(1816) | [Child 8092: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 00000259478B0400 == 1 [pid = 8092] [id = {b091d225-8da8-4fbf-8b2b-fb6ffbe240ea}]
[task 2020-08-04T23:14:42.763Z] 23:14:42     INFO - GECKO(1816) | [Child 8092: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (0000025947C3F090) [pid = 8092] [serial = 7] [outer = 0000000000000000]
[task 2020-08-04T23:14:42.763Z] 23:14:42     INFO - GECKO(1816) | [Child 8092: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (00000259478B7000) [pid = 8092] [serial = 8] [outer = 0000025947C3F090]
[task 2020-08-04T23:14:42.784Z] 23:14:42     INFO - GECKO(1816) | Waiting for browser load
[task 2020-08-04T23:14:42.784Z] 23:14:42     INFO - GECKO(1816) | Waiting for browser state change
[task 2020-08-04T23:14:42.848Z] 23:14:42     INFO - GECKO(1816) | Saw state f0001 and status 0
[task 2020-08-04T23:14:42.969Z] 23:14:42     INFO - GECKO(1816) | [Child 8092, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp, line 351
[task 2020-08-04T23:14:42.969Z] 23:14:42     INFO - GECKO(1816) | [Child 8092: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (0000025947C7B000) [pid = 8092] [serial = 9] [outer = 0000025947C3F090]
[task 2020-08-04T23:14:43.176Z] 23:14:43     INFO - GECKO(1816) | Saw state c0010 and status 0
[task 2020-08-04T23:14:43.176Z] 23:14:43     INFO - GECKO(1816) | Browser got expected state change http://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html
[task 2020-08-04T23:14:44.314Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (0000021C48B3B000) [pid = 10220] [serial = 91] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.314Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (0000021C4BB8F400) [pid = 10220] [serial = 87] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.314Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (0000021C441A6400) [pid = 10220] [serial = 101] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.557Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (0000021C48199C00) [pid = 10220] [serial = 83] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.557Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (0000021C4D236C00) [pid = 10220] [serial = 133] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.557Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (0000021C4C4CA400) [pid = 10220] [serial = 129] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.557Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (0000021C4AB76000) [pid = 10220] [serial = 125] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:44.558Z] 23:14:44     INFO - GECKO(1816) | [Parent 10220: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (0000021C482C8800) [pid = 10220] [serial = 121] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:45.454Z] 23:14:45     INFO - GECKO(1816) | [Child 6048: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (000002273012A430) [pid = 6048] [serial = 59] [outer = 0000000000000000] [url = about:blank]
[task 2020-08-04T23:14:45.677Z] 23:14:45     INFO - TEST-INFO | started process screenshot
[task 2020-08-04T23:14:45.748Z] 23:14:45     INFO - TEST-INFO | screenshot: exit 0
[task 2020-08-04T23:14:45.748Z] 23:14:45     INFO - Buffered messages logged at 23:14:41
[task 2020-08-04T23:14:45.748Z] 23:14:45     INFO - Entering test bound test
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - Buffered messages logged at 23:14:42
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "http://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html" line: 0}]
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - Console message: [JavaScript Error: "Unknown Collection "main/partitioning-exempt-urls"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 159}]
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - UnknownCollectionError@resource://services-settings/RemoteSettingsClient.jsm:159:5
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - sync@resource://services-settings/RemoteSettingsClient.jsm:469:13
[task 2020-08-04T23:14:45.749Z] 23:14:45     INFO - 
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - Buffered messages logged at 23:14:43
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "http://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html" line: 0}]
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - Buffered messages logged at 23:14:45
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | tab is pinned - 
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - Buffered messages finished
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | tab is playing sound - 
[task 2020-08-04T23:14:45.750Z] 23:14:45     INFO - Stack trace:
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - chrome://mochikit/content/browser-test.js:test_ok:1299
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - chrome://mochitests/content/browser/browser/modules/test/browser/browser_TabUnloader.js:test:60
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | tab is pinned and playing sound - 
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - Stack trace:
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - chrome://mochikit/content/browser-test.js:test_ok:1299
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - chrome://mochitests/content/browser/browser/modules/test/browser/browser_TabUnloader.js:test:61
[task 2020-08-04T23:14:45.751Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | tabs are present - 
[task 2020-08-04T23:14:45.752Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | heap-minimize memory-pressure notification did not unload a tab - 
[task 2020-08-04T23:14:45.752Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | low-memory memory-pressure notification unloaded the LRU tab - 
[task 2020-08-04T23:14:45.752Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | unloaded a second tab in LRU order - 
[task 2020-08-04T23:14:45.752Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | unloaded a pinned tab - 
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | unloaded a tab playing sound - 
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - Stack trace:
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - chrome://mochikit/content/browser-test.js:test_ok:1299
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - chrome://mochitests/content/browser/browser/modules/test/browser/browser_TabUnloader.js:test:102
[task 2020-08-04T23:14:45.753Z] 23:14:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | unloaded a pinned tab playing sound - 
```