def METHOD_NAME():
    rotation_matrix = np.array([[1.0, 0.0, 0.0],
                                [0.0, 0.0, -1.0],
                                [0.0, 1.0, 0.0]])
    translation = np.array([3.0, 1.2, 3.0])
    matrix = to_affine_matrix(rotation_matrix, translation)
    affine_matrix = np.array([[1.0, 0.0, 0.0, 3.0],
                              [0.0, 0.0, -1.0, 1.2],
                              [0.0, 1.0, 0.0, 3.0],
                              [0.0, 0.0, 0.0, 1.0]])
    assert np.allclose(affine_matrix, matrix)