mozilla-b2g/gaia — pull request #22797 by jrburke (2014-08-12 21:53:52+00:00)
Title: Bug 1052428 - Intermittent email/test/unit/app_messages_test.js | Timed out after 120 seconds

May not solve the issue, but definitely incorrect to call done() twice, since testRequire handles that already.