using assertEquals for status code assertions
using assertGreaterThan for count assertions
merged branch pschultz/proper-assertions (PR #175)

This PR was merged into the master branch.

Commits
-------

0e2873b using assertGreaterThan for count assertions
6428ca1 using assertEquals for status code assertions

Discussion
----------

Proper assertions

Use `assertEquals()` and `assertGreaterThan()` and proper failure messages in controller tests. "Failed asserting that false is true" isn't all that informative.