code: def test_ReplaceSimilarUnicodeChars(self) -> None:
      aug_unicode_chars = txtaugs.ReplaceSimilarUnicodeChars(
          aug_word_p=0.3, aug_char_p=0.3
      )(self.texts, metadata=self.metadata)
  
      self.assertTrue(
          aug_unicode_chars[0]
          == "The ℚuick brown 'fox' coul₫n't jump ov६r the green, grassy hill."
      )
      self.assertTrue(
          are_equal_metadata(
              self.metadata,
              self.expected_metadata["replace_similar_unicode_chars"],
          ),
      )
  
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 17 for calling the TransformsTextUnitTest obj's underlying member method code with example usage: obj.test_ReplaceSimilarUnicodeChars() without return types