Added unit tests

Created by: brianmcmichael

bmcmichael@websvcs02:~/awesim_dev/rails4$ rake test
Run options: --seed 41929

# Running:

............

Finished in 4.179020s, 2.8715 runs/s, 4.3072 assertions/s.

12 runs, 18 assertions, 0 failures, 0 errors, 0 skips