code: def test_ReplaceWords(self) -> None:
      augmented_words = txtaugs.ReplaceWords()(
          self.texts, metadata=self.metadata
      )
  
      self.assertTrue(augmented_words[0] == self.texts[0])
      self.assertTrue(
          are_equal_metadata(
              self.metadata, self.expected_metadata["replace_words"]
          ),
      )
  
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 20 for calling the TransformsTextUnitTest obj's underlying member method code with example usage: obj.test_ReplaceWords() without return types