visionmedia/mocha — pull request #936 by 00Davo (2013-07-23 15:52:19+00:00)
Title: Makes Suite.create check for same-titled suites in the parent suite

If a suite by the same title is found, it is returned instead of making a new
one. This makes reporters like spec produce prettier results, and is also what
the comment for this function already claimed it did.