code: def test_extra_arg(self):
      @aup_args
      def test2(x, y):
          return x + y
  
      self.assertRaises(ValueError, test2, self.file1)
  
file_path: auptimizer/tests/test_wrapper.py
imports: import unittest
  from six import PY2
  from os import path
  from aup import aup_args
label_desc: Use image node_id 2 for calling the WrapperTestCase obj's underlying member method code with example usage: obj.test_extra_arg() and returns: unknown