def METHOD_NAME(self):
    """
    Test the conversion of zeroth-order rate coefficient units to an integer
    reaction order.
    """
    assert 0 == get_reaction_order_from_rate_coefficient_units("mol/(m^3*s)")
    assert 0 == get_reaction_order_from_rate_coefficient_units("mol/(cm^3*s)")
    assert 0 == get_reaction_order_from_rate_coefficient_units("molecule/(m^3*s)")
    assert 0 == get_reaction_order_from_rate_coefficient_units("molecule/(cm^3*s)")