def METHOD_NAME():
    assert is_transformation_scheme("BACKWARD") == "BACKWARD"
    assert is_transformation_scheme("FORWARD") == "FORWARD"
    assert is_transformation_scheme("LAGRANGE-RADAU") == "LAGRANGE-RADAU"
    assert is_transformation_scheme("LAGRANGE-LEGENDRE") == "LAGRANGE-LEGENDRE"
    with pytest.raises(ConfigurationError):
        is_transformation_scheme("foo")