def METHOD_NAME(orig, middle, target):
    T = np.random.rand() * 100.0
    T_middle = convert_unit(T, orig=orig, to=middle)
    T_converted = convert_unit(T_middle, orig=middle, to=target)
    T_back = convert_unit(T_converted, orig=target, to=orig)
    assert T == pytest.approx(T_back)