unit-test-user-findByEmail && unit-tests-user-not-create-user

 Added user bob into the before each.

Added fail test for .register for duplicity.

Added tests for .findByEmail.

![screenshot 2014-09-13 22 31 25](https://cloud.githubusercontent.com/assets/6284142/4262900/a36d5df6-3bbf-11e4-841d-4a932c143e9b.png)