def test_get_new_group_id_Returns_correct_user_id(self, mock_read_groups_file): mock_read_groups_file.return_value = { "0": { "name": "default", "Trust": 50, "List_of_members": ["*****@*****.**", "*****@*****.**"], }, "1": { "name": "friends", "Trust": 90, "List_of_members": ["*****@*****.**"], }, } crud = CRUD() self.assertEqual(crud.get_new_group_id(), "2")