def test_get_list_dotted_mo_order(self):
        """
        REST Api: Test get list and order dotted M-O notation
        """
        client = self.app.test_client()
        token = self.login(client, USERNAME_ADMIN, PASSWORD_ADMIN)

        arguments = {"order_column": "group.field_string", "order_direction": "desc"}
        uri = (
            f"api/v1/model2dottednotationapi/?"
            f"{API_URI_RIS_KEY}={prison.dumps(arguments)}"
        )
        with model2_data(self.appbuilder.session, MODEL1_DATA_SIZE):
            rv = self.auth_client_get(client, token, uri)
            data = json.loads(rv.data.decode("utf-8"))
            # Tests count property
            self.assertEqual(data["count"], MODEL1_DATA_SIZE)
            # Tests data result default page size
            self.assertEqual(len(data[API_RESULT_RES_KEY]), self.model1api.page_size)
            i = 0
            self.assertEqual(
                data[API_RESULT_RES_KEY][i],
                {"field_string": "test9", "group": {"field_string": "test9"}},
            )

        REST Api: Test get list and order dotted M-O notation
        
tests/test_api.py