def test_addToMyFavoritesShow_should_work(self):
        storage = BlipTVStorage()
        storage.retrieve = Mock()
        storage.retrieve.return_value = [ {'item': 'mock', 'Title': 'Second'} ] 
        storage.store = Mock()
        
        storage.addToMyFavoritesShow({}, { "Title": "First", "item": "mock" })

        storage.retrieve.assert_called_with({})
        storage.store.assert_called_with({}, [{'item': 'mock', 'Title': 'First'}, {'item': 'mock', 'Title': 'Second'}])