1315525 - wpt failure during Daylight Time change: /html/dom/documents/resource-metadata-management/document-lastModified-01.html | Date returned by lastModified is current at page load - assert_approx_equals:

Status: RESOLVED FIXED

(Testing :: web-platform-tests, defect)

Description

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

https://treeherder.mozilla.org/logviewer.html#?job_id=6210337&repo=autoland

01:58:45     INFO - TEST-START | /html/dom/documents/resource-metadata-management/document-lastModified-01.html
01:58:50     INFO - 
01:58:50     INFO - TEST-UNEXPECTED-FAIL | /html/dom/documents/resource-metadata-management/document-lastModified-01.html | Date returned by lastModified is current at page load - assert_approx_equals: expected 1478422726 +/- 2.5 but got 1478426326
01:58:50     INFO - @http://web-platform.test:8000/html/dom/documents/resource-metadata-management/document-lastModified-01.html:13:5
01:58:50     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1401:20
01:58:50     INFO - test@http://web-platform.test:8000/resources/testharness.js:501:9
01:58:50     INFO - @http://web-platform.test:8000/html/dom/documents/resource-metadata-management/document-lastModified-01.html:12:3
01:58:50     INFO -

Comment 1

[Intermittent Failures Robot]

2 failures in 857 pushes (0.002 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* mozilla-inbound: 2

Platform breakdown:
* osx-10-10: 1
* macosx64-stylo-disabled: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1315525&startday=2017-10-30&endday=2017-11-05&tree=all

Comment 2

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

Underlying bug fixed in https://hg.mozilla.org/mozilla-central/rev/4d4876e6a3a5c138c1a2051e92f3e8ac4c722ede , although I suspect it stopped showing up a while ago due to changes in the timezone configuration of the bots running web platform tests.