def METHOD_NAME(self):
    """Test a rosmsg conversion for a geometry_msgs/Quaternion"""
    # I know this is not a unit quaternion
    q = Quaternion(x=0.7, y=0.7, z=0.1, w=0.2)
    numpy_array = rosmsg_to_numpy(q)
    np.testing.assert_allclose(np.array([0.7, 0.7, 0.1, 0.2]), numpy_array)