code: def test_SimulateTypos(self) -> None:
      aug_typo_text = txtaugs.SimulateTypos(
          aug_word_p=0.3, aug_char_p=0.3, typo_type="all"
      )(self.texts, metadata=self.metadata)
  
      self.assertTrue(
          aug_typo_text[0]
          == "Thw qu(ck brown 'fox' co)uldn' t jamp over the green, grassy hill.",
      )
      self.assertTrue(
          are_equal_metadata(
              self.metadata, self.expected_metadata["simulate_typos"]
          ),
      )
  
imports: import json
  import os
  import random
  import unittest
  from typing import Any, Dict, List
  from augly import text
  from augly.utils import TEXT_METADATA_PATH
label_desc: Use image node_id 21 for calling the TransformsTextUnitTest obj's underlying member method code with example usage: obj.test_SimulateTypos() without return types