Bug: [Late Beta] High frequency uriloader/exthandler/tests/mochitest/browser_save_filenames.js | <something> was saved with the correct name when copying - Got "", expected "<something" - when Gecko 137 switches to late beta on 2025-03-14
Status: NEW
Priority: --
Created: 2025-02-18 15:20:08+00:00
Resolved: 2025-03-03 12:26:46+00:00

[Central-as-beta-simulation](https://treeherder.mozilla.org/jobs?repo=try&duplicate_jobs=visible&group_state=expanded&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&searchStr=windows%2C11%2Cx64%2C24h2%2Cdebug%2Cbc&revision=db8b5661f9532e1238f363dc038fb5ff71c153b3&selectedTaskRun=BZwZSfyDRq6izLPWLnEvwA.0&test_paths=uriloader%2Fexthandler%2Ftests%2Fmochitest)

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


[Failure log](https://treeherder.mozilla.org/logviewer?job_id=495426082&repo=try&lineNumber=60466)
* Failure snippet:
```
[task 2025-02-18T12:00:36.489Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i1 simple.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.490Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i2 invalidfilename_a_b_ccd.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.490Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i3 invalidextension.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.490Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i4 reallyapng.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.491Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i5 nottext.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.492Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i6 noext.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.492Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i7 noextdot.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.493Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i8 averylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.495Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i9 bverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.495Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i10 cverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.497Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i11 thejpg.jpg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.498Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i12 thejpg.jpeg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.498Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i13 morejpg.jpg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.499Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i14 anotherjpg.jpg.jpg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.500Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i15 jpg.jpg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.501Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i16 exe.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.502Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i17 first file.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.502Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i18 second2file.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.503Z] 12:00:36     INFO - Buffered messages finished
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i32 save_filename.png was saved with the correct name when copying - Got "", expected "save_filename.png"
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - Stack trace:
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:test_is:1627
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochitests/content/browser/uriloader/exthandler/tests/mochitest/browser_save_filenames.js:copy_image:406
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2025-02-18T12:00:36.504Z] 12:00:36     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2025-02-18T12:00:36.506Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i34 override.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.506Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i35 flower.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.507Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i36 ruby.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.507Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i37 sapphire_data.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.508Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i38 emerald.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.508Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i39 base.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.509Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i51 webpimage.webp was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.510Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i52 realwebpimage.webp was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.511Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i55 extinvalid.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.512Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i56 red.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.513Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i57 green.jpg was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.513Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i59 aquamarine.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.514Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i60 lazuli.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.515Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i61 with spaces.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.515Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i62 with..dots..png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.516Z] 12:00:36     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i63 s�meescapes.png was saved with the correct name when copying - Got "", expected "s�meescapes.png"
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - Stack trace:
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:test_is:1627
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochitests/content/browser/uriloader/exthandler/tests/mochitest/browser_save_filenames.js:copy_image:406
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2025-02-18T12:00:36.518Z] 12:00:36     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2025-02-18T12:00:36.519Z] 12:00:36     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i64 save_thename.png was saved with the correct name when copying - Got "", expected "save_thename.png"
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - Stack trace:
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:test_is:1627
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochitests/content/browser/uriloader/exthandler/tests/mochitest/browser_save_filenames.js:copy_image:406
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2025-02-18T12:00:36.520Z] 12:00:36     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2025-02-18T12:00:36.521Z] 12:00:36     INFO - Not taking screenshot here: see the one that was previously logged
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - TEST-UNEXPECTED-FAIL | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i72 compressed.png.png was saved with the correct name when copying - Got "", expected "compressed.png.png"
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - Stack trace:
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:test_is:1627
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochitests/content/browser/uriloader/exthandler/tests/mochitest/browser_save_filenames.js:copy_image:406
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:handleTask:1147
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1219
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1360
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1136
[task 2025-02-18T12:00:36.522Z] 12:00:36     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2025-02-18T12:00:36.523Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i78 extension.png was saved with the correct name when copying - 
[task 2025-02-18T12:00:36.523Z] 12:00:36     INFO - Leaving test bound copy_image
[task 2025-02-18T12:00:36.524Z] 12:00:36     INFO - Entering test bound saveas_files
[task 2025-02-18T12:00:36.636Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.640Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i0 basic.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.686Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.688Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i1 simple.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.725Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.726Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i2 invalidfilename_a_b_ccd.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.763Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.767Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i3 invalidextension.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.815Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.817Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i4 reallyapng.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.855Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.860Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i5 nottext.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.904Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.908Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i6 noext.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.953Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:36.955Z] 12:00:36     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i7 noextdot.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:36.997Z] 12:00:36     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.003Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i8 averylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.042Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.048Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i9 bverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.089Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.091Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i10 cverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongfilenameverylongf.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.124Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.125Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i11 thejpg.jpg was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.181Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.183Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i12 thejpg.jpeg was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.226Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.227Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i13 morejpg.jpg was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.267Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.270Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i14 anotherjpg.jpg.jpg was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.312Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.314Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i15 jpg.jpg was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.359Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.361Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i16 exe.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.407Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.408Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i17 first file.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.450Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.452Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i18 second2file.png was saved with the correct name context menu - 
[task 2025-02-18T12:00:37.494Z] 12:00:37     INFO - GECKO(5828) | [Parent 2320, Main Thread] WARNING: 'mIndex >= Count()', file /builds/worker/checkouts/gecko/xpcom/ds/nsStringEnumerator.cpp:203
[task 2025-02-18T12:00:37.497Z] 12:00:37     INFO - TEST-PASS | uriloader/exthandler/tests/mochitest/browser_save_filenames.js | i32 save_filename.png was saved with the correct name context menu - 
```