def METHOD_NAME(self) -> None:
    """Ensure translation component is returned properly."""
    R = Rot2.fromDegrees(90)
    t = np.array([1, 2])
    bSa = Similarity2(R=R, t=t, s=3.0)
    expected_t = np.array([1, 2])
    np.testing.assert_allclose(expected_t, bSa.translation())