thepeg/grunt-mocha-chai-sinon — pull request #1 by kyo-ago (2014-03-26 04:08:56+00:00)
Title: coverage is optional.

Fixed this error.
```
$ grunt test
Loading "mocha-chai-sinon.js" tasks...ERROR
>> TypeError: Cannot read property 'options' of undefined
Warning: Task "mocha-chai-sinon" not found. Use --force to continue.

Aborted due to warnings.
$
```