def METHOD_NAME(self) -> None:
    """Test that the Lp norms work with FDataGrid."""
    np.testing.assert_allclose(
        l1_norm(self.fd),
        [16.0, 41.33333333],
    )
    np.testing.assert_allclose(
        l2_norm(self.fd),
        [8.326664, 25.006666],
    )
    np.testing.assert_allclose(
        lp_norm(self.fd, p=3),
        [6.839904, 22.401268],
    )
    np.testing.assert_allclose(
        linf_norm(self.fd),
        [6, 25],
    )