def test_filterArgs(self):
        """
        filterArgs() should not filter the `args` parameter
        if outputSpec accepts `*args`.
        """
        inputSpec = _getArgSpec(lambda *args, **kwargs: None)
        outputSpec = _getArgSpec(lambda *args, **kwargs: None)
        argsIn = ()
        argsOut, _ = _filterArgs(argsIn, {}, inputSpec, outputSpec)
        self.assertIs(argsIn, argsOut)

        filterArgs() should not filter the `args` parameter
        if outputSpec accepts `*args`.
        
stackoverflow/venv/lib/python3.6/site-packages/automat/_test/test_methodical.py