code: def test_tokenize(self):
      tokens = text_utils.tokenize(self.TOKENIZE_EXAMPLE)
  
      self.assertEqual(list(tokens), self.TOKENS)
  
imports: import os
  import unittest
  import mmf.utils.text
  import numpy
  import torch
  from mmf.common.registry import registry
  from mmf.common.sample import Sample, SampleList
  from mmf.utils.configuration import Configuration
  from mmf.utils.env import setup_imports
  from mmf.utils.general import get_mmf_root
  from tests.test_utils import dummy_args
  from tests.utils.test_model import TestDecoderModel
label_desc: Use image node_id 2 for calling the TestUtilsText obj's underlying member method code with example usage: obj.test_tokenize() without return types