Bug: Perma TEST-UNEXPECTED-FAIL | browser/base/content/test/static/browser_all_files_referenced.js | unreferenced file: resource://app/localization/en-US/preview/shopping.ftl when Gecko 116 merges to Beta on 2023-07-04
Status: VERIFIED
Priority: P1
Resolution: FIXED
Created: 2023-06-13 12:09:06+00:00
Resolved: 2023-06-16 17:07:44+00:00

[Central as beta simulation](https://treeherder.mozilla.org/jobs?repo=try&resultStatus=testfailed%2Cbusted%2Cexception&author=csabou%40mozilla.com&fromchange=30a90a97ecea46b6d8d88fe0bfee880b4534cda3&tochange=bc8d179a8a97e680dd14216ad040ce508d3dc49b&test_paths=browser%2Fbase%2Fcontent%2Ftest%2Fstatic&selectedTaskRun=df_9h2M9TQSG0Qw2wpotjA.0)

[How to run these simulations](https://wiki.mozilla.org/Sheriffing/How_To/Beta_simulations)

Failure log: https://treeherder.mozilla.org/logviewer?job_id=419107456&repo=try&lineNumber=4825

```
[task 2023-06-13T11:20:07.832Z] 11:20:07     INFO - indirectly whitelisted file: resource://gre/modules/UniFFI.sys.mjs used from resource://gre/modules/RustTabs.sys.mjs
[task 2023-06-13T11:20:07.832Z] 11:20:07     INFO - Buffered messages finished
[task 2023-06-13T11:20:07.833Z] 11:20:07     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/static/browser_all_files_referenced.js | there should be no unreferenced files - Got 1, expected +0
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - Stack trace:
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:test_is:1608
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochitests/content/browser/browser/base/content/test/static/browser_all_files_referenced.js:checkAllTheFiles:1040
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:handleTask:1131
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1203
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1345
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1120
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1056
[task 2023-06-13T11:20:07.834Z] 11:20:07     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/static/browser_all_files_referenced.js | unreferenced file: resource://app/localization/en-US/preview/shopping.ftl - 
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - Stack trace:
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:test_ok:1580
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochitests/content/browser/browser/base/content/test/static/browser_all_files_referenced.js:checkAllTheFiles:1044
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:handleTask:1131
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1203
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1345
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1120
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1056
[task 2023-06-13T11:20:07.836Z] 11:20:07     INFO - ignored unused whitelist entry: resource://app/blocklist.xml
[task 2023-06-13T11:20:07.837Z] 11:20:07     INFO - ignored unused whitelist entry: resource://gre/gmp-clearkey/0.1/manifest.json
[task 2023-06-13T11:20:07.837Z] 11:20:07     INFO - ignored unused whitelist entry: resource://gre/res/test.properties
[task 2023-06-13T11:20:07.914Z] 11:20:07     INFO - missing file: resource://test/ReturnCodeChild.sys.mjs