create some tests

[shadiakiki1986]

No tests ATM. Please create a very simple test

• creates 1 instance of each model: liability, loan, superid, superid to loan
• browses to the cdradmin home page and checks that the created data shows up
• similar to ffa-blotter/app/test_order/test_list

[shadiakiki1986]

@minerva22 as discussed, the tests written all test django functionality, but not cdr-admin functionality. Please add a test as described above