class_docstr: Test the text utilities for creating and cleaning features.
class_docstr_tok: ["Test","the","text","utilities","for","creating","and","cleaning","features","."]
code: def test_tokenize(self):
      sa_word_results = text_analytics.tokenize(self.sa_word)
  
      self.assertEqual(
          sa_word_results[0],
          [
              "I",
              "like",
              "big",
              "dogs",
              "They",
              "are",
              "fun",
              "I",
              "LIKE",
              "BIG",
              "DOGS",
          ],
      )
      self.assertEqual(sa_word_results[1], ["I", "like"])
      self.assertEqual(sa_word_results[2], ["I", "like", "big"])
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import math
  import unittest
  import warnings
  import turicreate
  import turicreate.toolkits.text_analytics
  from .None import util
label_desc: Use image node_id 2 for calling the FeatureEngineeringTest obj's underlying member method code with example usage: obj.test_tokenize() without return types