code: def test_split_min_char(self):
      texts = ["quick brown"]
      aug = naw.SplitAug(min_char=6)
  
      for text in texts:
          augmented_data = aug.augment(text)
          augmented_text = augmented_data[0]
  
          self.assertEqual(text, augmented_text)
  
imports: import unittest
  import nlpaug.augmenter.word
label_desc: Use image node_id 2 for calling the TestSplit obj's underlying member method code with example usage: obj.test_split_min_char() without return types