Unit test for RepositoriesController new method

Signed-off by: Rafael Reggiani Manzo
Unit test for RepositoriesController create method

Signed-off By: Rafael Reggiani Manzo <rr.manzo@gmail.com>
Unit test for RepositoriesController refactored at create method

Using lets

Signed-off by: Rafael Reggiani Manzo <rr.manzo@gmail.com>
Unit test RepositoriesController refactored at show method

Signed-off By: Rafael Reggiani Manzo <rr.manzo@gmail.com>
Actions on RepositoryController require a user logged in

Signed-off by: Fellipe Souto Sampaio <fllsouto@gmail.com>
Unite test for RepositoriesController detroy method