finish: deploy test on BookCategoriesController 14:46
finish: deploy test on Admin::BookController 16:29
finish: deploy test on BookCommentsController 17:51
finish: deploy test on UsersController 10:28
finish: deploy test on Admin::FavoritesController 13:47
finish: rewrite fixtures( use handwritten id numbers instead of things like "users(:one).id)" 14:40
Merge branch 'feature/TDD-2' into develop