KS 69dbf231e6 Bug 1861731 - Add a method to capture screenshots of failing browsertime tests. r=perftest-reviewers,sparky
This patch uses mozscreenshot to take a screenshot of the test right up
to the moment of failure. This should be helpful in diagnosing failures
in CI like benchmark tests (which don't output videos like pageload
tests) as well as pageload tests if they fail before visual metrics can
capture a video/screenshot to output.

Differential Revision: https://phabricator.services.mozilla.com/D202634
2024-02-29 02:46:34 +00:00
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