1233956 - Intermittent browser_ctrlTab.js | Ctrl+Tab -> Ctrl+W removes the selected tab - Got 3, expected 2

Status: NEW

(Firefox :: Tabbed Browser, defect, P5)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://treeherder.mozilla.org/logviewer.html#?job_id=18814218&repo=mozilla-inbound

20:54:46     INFO -  382 INFO TEST-START | browser/base/content/test/general/browser_ctrlTab.js
...
20:54:54     INFO -  TEST-INFO | started process screentopng
20:54:57     INFO -  TEST-INFO | screentopng: exit 0
20:54:57     INFO -  383 INFO checking window state
20:54:57     INFO -  384 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  385 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open, Ctrl+Tab opens the preview panel -
20:54:57     INFO -  386 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Releasing Ctrl closes the preview panel -
20:54:57     INFO -  387 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open and tab 2 selected, Ctrl+Tab*1 goes back to the previously selected tab -
20:54:57     INFO -  388 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  389 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  390 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open, Ctrl+Tab opens the preview panel -
20:54:57     INFO -  391 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Releasing Ctrl closes the preview panel -
20:54:57     INFO -  392 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open and tab 1 selected, Ctrl+Tab*2 goes 2 tabs back in most-recently-selected order -
20:54:57     INFO -  393 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  394 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  395 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  396 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Selected tab doesn't change while tabbing -
20:54:57     INFO -  397 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open, Ctrl+Tab opens the preview panel -
20:54:57     INFO -  398 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Releasing Ctrl closes the preview panel -
20:54:57     INFO -  399 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | With 4 tabs open and tab 2 selected, Ctrl+Tab*4 goes 0 tabs back in most-recently-selected order -
20:54:57     INFO -  400 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Ctrl+Tab -> Ctrl+Shift+Tab keeps the selected tab -
20:54:57     INFO -  401 INFO TEST-PASS | browser/base/content/test/general/browser_ctrlTab.js | Ctrl+Tab -> Ctrl+W removes one tab -
20:54:57     INFO -  402 INFO TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_ctrlTab.js | Ctrl+Tab -> Ctrl+W removes the selected tab - Got 3, expected 2
20:54:57     INFO -  Stack trace:
20:54:57     INFO -  chrome://mochikit/content/browser-test.js:test_is:942
20:54:57     INFO -  chrome://mochitests/content/browser/browser/base/content/test/general/browser_ctrlTab.js:test:36
20:54:57     INFO -  chrome://mochikit/content/browser-test.js:Tester_execTest:785
20:54:57     INFO -  chrome://mochikit/content/browser-test.js:Tester.prototype.nextTest</<:676
20:54:57     INFO -  chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:735

Comment 1

[Chris Peterson [:cpeterson]]

Intermittent e10s test failure

Comment 2

[Intermittent Failures Robot]

1 failures in 747 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 1

Platform breakdown:
* linux32-stylo-disabled: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1233956&startday=2018-03-05&endday=2018-03-11&tree=all

Comment 3

[Intermittent Failures Robot]

1 failures in 822 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 1

Platform breakdown:
* linux64-stylo-disabled: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1233956&startday=2018-03-20&endday=2018-03-26&tree=trunk

Comment 4

[Intermittent Failures Robot]

1 failures in 718 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* mozilla-inbound: 1

Platform breakdown:
* linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1233956&startday=2018-03-26&endday=2018-04-01&tree=trunk