def test_actual_results_show_options(params):
    """Test that the actual results are the expected ones."""
    res_actual = show_options(**params)
    if ('disp' in params.keys()) and (not params['disp']):
        assert isinstance(res_actual, str)
    else:
        assert res_actual is None
Test that the actual results are the expected ones.
pyts/metrics/tests/test_dtw.py