code: def test_augmenter_n_output_thread(self):
      text = "The quick brown fox jumps over the lazy dog"
      n = 3
      for aug in self.augs:
          augmented_texts = aug.augment([text] * 2, n=n, num_thread=n)
          self.assertGreater(len(augmented_texts), 1)
          for augmented_text in augmented_texts:
              self.assertNotEqual(augmented_text, text)
  
file_path: nlpaug/test/augmenter/test_text_augmenter.py
imports: import unittest
  import os
  import torch
  import numpy
  from dotenv import load_dotenv
  import nlpaug.augmenter.char
  import nlpaug.augmenter.word
  import nlpaug.augmenter.sentence
label_desc: Use image node_id 3 for calling the TestTextAugmenter obj's underlying member method code with example usage: obj.test_augmenter_n_output_thread() without return types