code: def test_skip_punctuation(self):
      text = ". . . . ! ? # @"
  
      for aug in self.augs:
          augmented_data = aug.augment(text)
          augmented_text = augmented_data[0]
          self.assertEqual(text, augmented_text)
  
file_path: nlpaug/test/augmenter/word/test_synonym.py
imports: import unittest
  import os
  from dotenv import load_dotenv
  import nlpaug.augmenter.word
label_desc: Use image node_id 6 for calling the TestSynonym obj's underlying member method code with example usage: obj.test_skip_punctuation() without return types