code: def test_creation(bert_example_builder):
      assert bert_example_builder._tokenizer is not None
  
file_path: NeMo/tests/collections/nlp/test_spellchecking_asr_customization.py
imports: import pytest
  from transformers import AutoTokenizer
  from nemo.collections.nlp.data.spellchecking_asr_customization.bert_example import BertExampleBuilder
  from nemo.collections.nlp.data.spellchecking_asr_customization.utils import apply_replacements_to_text, substitute_replacements_in_text
label_desc: Use image node_id 4 for calling a global function with example usage: test_creation(bert_example_builder) without return types