code: def test_contractions(self) -> None:
      augmented_words = txtaugs.contractions(
          "I would call him but I do not know where he has gone",
          aug_p=0.7,
      )
      self.assertTrue(
          augmented_words[0]
          == "I would call him but I don't know where he's gone"
      )
  
imports: import random
  import unittest
  from augly import text
  from augly.utils import FUN_FONTS_GREEK_PATH
label_desc: Use image node_id 5 for calling the FunctionalTextUnitTest obj's underlying member method code with example usage: obj.test_contractions() without return types