import json def test_app(unordered_definition_app): app_client = unordered_definition_app.app.test_client() response = app_client.get('/v1.0/unordered-params/1?first=first&second=2') # type: flask.Response assert response.status_code == 400 response_data = json.loads(response.data.decode()) assert response_data['detail'] == 'Wrong type, expected \'integer\' for query parameter \'first\''