code: def test_fixed_words_3(self):
      text = "chien thanggggg chien thang"
      fixed_words = ["chien thang"]
      actual = tokenize(text, fixed_words=fixed_words)
      expected = ["chien", "thanggggg", "chien thang"]
      self.assertEqual(expected, actual)
  
imports: from unittest import TestCase
  from underthesea.pipeline.word_tokenize.regex_tokenize import tokenize
label_desc: Use image node_id 30 for calling the TestTokenize obj's underlying member method code with example usage: obj.test_fixed_words_3() without return types