code: def test_max_length(self):
      tokenizer = PretrainedTransformerTokenizer(
          "bert-base-cased", max_length=10, add_special_tokens=False
      )
      tokens = tokenizer.tokenize(
          "hi there, this should be at least 10 tokens, but some will be truncated"
      )
      assert len(tokens) == 10
  
imports: from typing import Iterable, List
  import pytest
  from allennlp.common import Params
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data import Token
  from allennlp.data.tokenizers import PretrainedTransformerTokenizer
label_desc: Use image node_id 7 for calling the TestPretrainedTransformerTokenizer obj's underlying member method code with example usage: obj.test_max_length() without return types