def METHOD_NAME(self):
    """Make sure the calculation method remains the same."""
    q_hot_Wh = np.arange(0.0, 1E6, 1E5)
    Q_nom_W = max(q_hot_Wh)
    el_W = np.vectorize(calc_CT)(q_hot_Wh, Q_nom_W)
    config = configparser.ConfigParser()
    config.read(get_test_config_path())
    reference_results = json.loads(config.get('test_cooling_tower', 'expected_results'))
    np.testing.assert_allclose(el_W, reference_results)