code: def test_tokenize(self):
      tokenizer = Tokenizer()
      sentence = "Order me a coffee"
      expected = ["order", "me", "a", "coffee"]
      tokens = tokenizer.tokenize(sentence)
      self.assertListEqual(expected, [t.value for t in tokens])
  
imports: import unittest
  from pytext.data.tokenizers import GPT2BPETokenizer, SentencePieceTokenizer, SPEandWordTokenizer, Tokenizer, WordPieceTokenizer
  from pytext.data.tokenizers.tokenizer import Token
label_desc: Use image node_id 1 for calling the TokenizeTest obj's underlying member method code with example usage: obj.test_tokenize() without return types