code: def test_call_of_stylize_cartoon(self, mock_sc):
      image = np.arange(4 * 4 * 3).astype(np.uint8).reshape((4, 4, 3))
      aug = iaa.Cartoon()
  
      mock_sc.return_value = np.copy(image)
  
      _ = aug(images=[image, image])
  
      assert mock_sc.call_count == 2
  
imports: from __future__ import print_function, division, absolute_import
  import sys
  import numpy
  import cv2
  import imgaug
  from imgaug import augmenters
  from imgaug import random
  from imgaug.testutils import reseed, runtest_pickleable_uint8_img
  import imgaug.augmenters.color
  import imgaug.augmenters.artistic
label_desc: Use image node_id 4 for calling the TestCartoon obj's underlying member method code with example usage: obj.test_call_of_stylize_cartoon(mock_sc) without return types