code: def test_ocr_multi_words(self):
      texts = ["The quick brown fox jumps over the lazy dog"]
      aug = OcrAug()
  
      for text in texts:
          # Since non-exist mapping word may be drawn, try several times
          is_augmented = False
          for _ in range(10):
              augmented_data = aug.augment(text)
              augmented_text = augmented_data[0]
              is_equal = text == augmented_text
              if not is_equal:
                  is_augmented = True
                  break
  
          self.assertTrue(is_augmented)
  
      self.assertTrue(len(texts) > 0)
  
file_path: nlpaug/test/augmenter/char/test_ocr.py
imports: import unittest, os
  from nlpaug.augmenter.char import OcrAug
label_desc: Use image node_id 3 for calling the TestOcr obj's underlying member method code with example usage: obj.test_ocr_multi_words() without return types