visionmedia/mocha — pull request #499 by sarenji (2012-07-08 13:48:44+00:00)
Title: Empty mocha.opts no longer searches for a .js file

`"".split(/\s+/)` returns `[ '' ]`. By default, mocha searches in the `test/`
directory if the array is empty, but since the previous sentence was
happening, the array was not empty and it searched for a file called
`'.js'`. Fixes #477