code: def skip_short_token(self, aug):
      text = "I am a boy"
      augmented_data = aug.augment(text)
      augmented_text = augmented_data[0]
      self.assertNotEqual(text.lower(), augmented_text.lower())
  
      original_aug_min = aug.aug_min
      aug.aug_min = 4
      augmented_data = aug.augment(text)
      augmented_text = augmented_data[0]
      self.assertEqual(text.lower(), augmented_text.lower())
      aug.aug_min = original_aug_min
  
imports: import unittest
  import os
  from dotenv import load_dotenv
  import torch
  import nlpaug.augmenter.word
  import nlpaug.model.lang_models
label_desc: Use image node_id 12 for calling the TestContextualWordEmbsAug obj's underlying member method code with example usage: obj.skip_short_token(aug) without return types