Add initial test to make Circle happy so we can :shipit:

Shipit treats the "no tests" status from Circle as a failure:
![](https://www.dropbox.com/s/ym4cbvq821m2pt5/Screenshot%202014-09-03%2017.35.58.png?dl=1)

Instead of updating that and getting away with not having any tests, we should maybe start testing things? :angel: 

@louiskearns @bizla