Open Bug 1471839 Opened 3 years ago Updated 2 years ago
Mochitest doesn't show Java
Script error messages and instead fail as timeout
In bug 1447591, I made a change that caused a JS error in the test dom/base/test/test_postMessages.html . This error never directly showed up in the logs but rather materialized as a timeout in the mochitest process. See logs: https://treeherder.mozilla.org/logviewer.html#?job_id=185111530&repo=mozilla-inbound&lineNumber=7413 It would have been simpler and more helpful if the JS error would have shown up directly in the logs. I consider this a bug, because the test wasn't really failing because of a timeout, and the failure could have been detected earlier, thus costing less machine time to wait for the timeout expiration.
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