Added tests to self model.
PJZL/firesquare#5
Added service model tests.
PJZL/firesquare#5
Added checkin model tests.
PJZL/firesquare#5
Added user model tests.
PJZL/firesquare#5
Fixed test modules names.
Merge pull request #16 from precz/unstable

Unit tests