code: def test_incorrect_model_type(self):
      with self.assertRaises(ValueError) as error:
          naw.WordEmbsAug(
              model_type="test_model_type",
              model_path=self.word2vec_model_path,
          )
  
      self.assertTrue(
          "Model type value is unexpected." in str(error.exception)
      )
  
file_path: nlpaug/test/augmenter/word/test_word_embs.py
imports: import unittest
  import os
  from dotenv import load_dotenv
  import nlpaug.augmenter.word
label_desc: Use image node_id 5 for calling the TestWordEmbsAug obj's underlying member method code with example usage: obj.test_incorrect_model_type() without return types