Bug: Intermittent browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The last button should be focused after pressing End - [object XULFrameElement] == [object XULElement] - JS frame
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-04-02 20:31:51+00:00
Resolved: 2021-04-27 17:01:05+00:00

**Filed by:** apavel [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=335306228&repo=mozilla-beta
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/QK5uhbNuTGeYn0a92emGGw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-04-02T19:37:58.016Z] 19:37:58     INFO - TEST-START | browser/components/customizableui/test/browser_panel_keyboard_navigation.js
[task 2021-04-02T19:37:58.670Z] 19:37:58     INFO - TEST-INFO | started process screencapture
[task 2021-04-02T19:37:58.767Z] 19:37:58     INFO - TEST-INFO | screencapture: exit 0
[task 2021-04-02T19:37:58.767Z] 19:37:58     INFO - Buffered messages logged at 19:37:58
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - Entering test bound testUpDownKeys
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The panel is closed to begin with. - "closed" == "closed" - 
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.768Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.769Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.770Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The correct button should be focused after navigating downward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | Pressing upwards should cycle around and select the first button again - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.771Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.772Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.773Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after navigating upward - [object XULElement] == [object XULElement] - 
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The panel is open to begin with. - true == true - 
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - Leaving test bound testUpDownKeys
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - Entering test bound testHomeEndKeys
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The panel is closed to begin with. - "closed" == "closed" - 
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - TEST-PASS | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | There is more than one button - true == true - 
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - Buffered messages finished
[task 2021-04-02T19:37:58.774Z] 19:37:58     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The last button should be focused after pressing End - [object XULFrameElement] == [object XULElement] - JS frame :: chrome://mochitests/content/browser/browser/components/customizableui/test/browser_panel_keyboard_navigation.js :: testHomeEndKeys :: line 75
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - Stack trace:
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - chrome://mochitests/content/browser/browser/components/customizableui/test/browser_panel_keyboard_navigation.js:testHomeEndKeys:75
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The first button should be focused after pressing Home - [object XULFrameElement] == [object XULElement] - JS frame :: chrome://mochitests/content/browser/browser/components/customizableui/test/browser_panel_keyboard_navigation.js :: testHomeEndKeys :: line 82
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - Stack trace:
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - chrome://mochitests/content/browser/browser/components/customizableui/test/browser_panel_keyboard_navigation.js:testHomeEndKeys:82
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | The panel is open to begin with. - false == true - JS frame :: resource://testing-common/CustomizableUITestUtils.jsm :: hidePanelMultiView :: line 81
[task 2021-04-02T19:37:58.775Z] 19:37:58     INFO - Stack trace:
[task 2021-04-02T19:37:58.776Z] 19:37:58     INFO - resource://testing-common/CustomizableUITestUtils.jsm:hidePanelMultiView:81
[task 2021-04-02T19:37:58.776Z] 19:37:58     INFO - resource://testing-common/CustomizableUITestUtils.jsm:hideMainMenu:103
[task 2021-04-02T19:37:58.776Z] 19:37:58     INFO - chrome://mochitests/content/browser/browser/components/customizableui/test/browser_panel_keyboard_navigation.js:testHomeEndKeys:88
[task 2021-04-02T19:38:43.133Z] 19:38:43     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-04-02T19:38:43.133Z] 19:38:43     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | Test timed out - 
[task 2021-04-02T19:38:43.133Z] 19:38:43     INFO - GECKO(1843) | MEMORY STAT | vsize 8049MB | residentFast 442MB | heapAllocated 129MB
[task 2021-04-02T19:38:43.133Z] 19:38:43     INFO - TEST-OK | browser/components/customizableui/test/browser_panel_keyboard_navigation.js | took 45096ms
[task 2021-04-02T19:38:43.133Z] 19:38:43     INFO - checking window state```