Here we're attempting to make the tests run as fast as possible.

    ticket_sharing[master]% time rake
    rake  0.37s user 0.04s system 99% cpu 0.417 total

    ticket_sharing[grosser/cleanup]% time rake
    rake  0.68s user 0.07s system 97% cpu 0.761 total

Although, admittedly, we shouldn't be passing one argument to `system`, that needs to be changed regardless. =o