code: def test_exception(self):
      self._test_exception(["a"], ["b"])
  
imports: from __future__ import division
  from __future__ import print_function
  import argparse
  import io
  import sys
  import unicodedata
  import unittest
label_desc: Use image node_id 4 for calling the TestAlignment obj's underlying member method code with example usage: obj.test_exception() without return types