Bug: Intermittent browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: WORKSFORME
Created: 2023-10-17 07:03:46+00:00
Resolved: 2024-04-24 03:12:39+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=432744324&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/H33MoHg5QtucchL7vd_wig/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-10-17T05:56:14.632Z] 05:56:14     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Navigated to a welcome screen - "about:welcome" == "about:welcome" - 
[task 2023-10-17T05:56:14.633Z] 05:56:14     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Selection page is being shown in the migration wizard. - true == true - 
[task 2023-10-17T05:56:14.633Z] 05:56:14     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Found the <panel-list>. - {} == true - 
[task 2023-10-17T05:56:14.633Z] 05:56:14     INFO - Console message: [JavaScript Error: "Error: Can't find profile directory." {file: "resource://gre/modules/XULStore.sys.mjs" line: 60}]
[task 2023-10-17T05:56:14.633Z] 05:56:14     INFO - load@resource://gre/modules/XULStore.sys.mjs:60:15
[task 2023-10-17T05:56:14.634Z] 05:56:14     INFO - XULStore@resource://gre/modules/XULStore.sys.mjs:17:10
[task 2023-10-17T05:56:14.634Z] 05:56:14     INFO - 
[task 2023-10-17T05:56:14.634Z] 05:56:14     INFO - Buffered messages finished
[task 2023-10-17T05:56:14.635Z] 05:56:14     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Panel should be tightly anchored to the bottom of the button shadow node. - 256.98333740234375 == 0 - got 256.98333740234375, expected 0 (operator ==)
[task 2023-10-17T05:56:14.635Z] 05:56:14     INFO - Stack trace:
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - is@resource://testing-common/SpecialPowersSandbox.sys.mjs:88:21
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - isfuzzy@chrome://mochitests/content/browser/browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js:568:13
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - @chrome://mochitests/content/browser/browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js:572:14
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - async*execute@resource://testing-common/SpecialPowersSandbox.sys.mjs:139:12
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - _spawnTask@resource://testing-common/SpecialPowersChild.sys.mjs:1654:15
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - receiveMessage@resource://testing-common/SpecialPowersChild.sys.mjs:257:21
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - JSActor query*receiveMessage@resource://testing-common/SpecialPowersParent.sys.mjs:1385:14
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - JSActor query*spawn@resource://testing-common/SpecialPowersChild.sys.mjs:1583:17
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - test_aboutwelcome_embedded_migration@chrome://mochitests/content/browser/browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js:494:23
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - async*handleTask@chrome://mochikit/content/browser-test.js:1134:26
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - _runTaskBasedTest@chrome://mochikit/content/browser-test.js:1206:18
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1348:14
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:1123:14
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13
[task 2023-10-17T05:56:14.636Z] 05:56:14     INFO - GECKO(2713) | console.debug: AboutWelcomeParent:
[task 2023-10-17T05:56:14.637Z] 05:56:14     INFO - GECKO(2713) |   Received content event: AWPage:TELEMETRY_EVENT
[task 2023-10-17T05:56:14.637Z] 05:56:14     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:14.637Z] 05:56:14     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:14.638Z] 05:56:14     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Import' button. - true == true - 
[task 2023-10-17T05:56:14.638Z] 05:56:14     INFO - GECKO(2713) | console.debug: AboutWelcomeParent:
[task 2023-10-17T05:56:14.638Z] 05:56:14     INFO - GECKO(2713) |   Received content event: AWPage:TELEMETRY_EVENT
[task 2023-10-17T05:56:14.639Z] 05:56:14     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:14.639Z] 05:56:14     INFO - GECKO(2713) | JavaScript error: resource://gre/modules/XULStore.sys.mjs, line 60: Error: Can't find profile directory.
[task 2023-10-17T05:56:14.640Z] 05:56:14     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: '!mLocalStore', file /builds/worker/checkouts/gecko/dom/xul/XULPersist.cpp:146
[task 2023-10-17T05:56:14.640Z] 05:56:14     INFO - Console message: [JavaScript Error: "Error: Can't find profile directory." {file: "resource://gre/modules/XULStore.sys.mjs" line: 60}]
[task 2023-10-17T05:56:14.640Z] 05:56:14     INFO - load@resource://gre/modules/XULStore.sys.mjs:60:15
[task 2023-10-17T05:56:14.640Z] 05:56:14     INFO - XULStore@resource://gre/modules/XULStore.sys.mjs:17:10
[task 2023-10-17T05:56:14.640Z] 05:56:14     INFO - 
[task 2023-10-17T05:56:15.640Z] 05:56:15     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:15.640Z] 05:56:15     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:15.645Z] 05:56:15     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:15.645Z] 05:56:15     INFO - GECKO(2713) | [Child 2724, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, NS_OK) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1150
[task 2023-10-17T05:56:15.651Z] 05:56:15     INFO - GECKO(2713) | console.debug: AboutWelcomeParent:
[task 2023-10-17T05:56:15.651Z] 05:56:15     INFO - GECKO(2713) |   Received content event: AWPage:EVALUATE_SCREEN_TARGETING
[task 2023-10-17T05:56:15.659Z] 05:56:15     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_mr.js | Should have sent telemetry for clicking the 'Continue' button. - true == true - 
```