code: def test_chinese(self):
      tokenizer = BasicTokenizer()
  
      self.assertListEqual(
          tokenizer.tokenize("ah\u535A\u63A8zz"),
          ["ah", "\u535A", "\u63A8", "zz"],
      )
  
imports: import os
  import unittest
  from transformers import RealmTokenizerFast
  from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES, BasicTokenizer, WordpieceTokenizer, _is_control, _is_punctuation, _is_whitespace
  from transformers.models.realm.tokenization_realm import RealmTokenizer
  from transformers.testing_utils import require_tokenizers, slow
  from ...test_tokenization_common import TokenizerTesterMixin, filter_non_english
label_desc: Use image node_id 5 for calling the RealmTokenizationTest obj's underlying member method code with example usage: obj.test_chinese() without return types