code: def test_transform(self, img):
      data_info = dict(img=img)
      self.transform(copy.deepcopy(data_info))
  
imports: import copy
  import unittest
  import numpy
  from parameterized import parameterized
  from mmocr.datasets.transforms import CropHeight, ImageContentJitter, PadToWidth, PyramidRescale, RescaleToHeight, ReversePixels, TextRecogGeneralAug
label_desc: Use image node_id 2 for calling the TestImageContentJitter obj's underlying member method code with example usage: obj.test_transform(img) without return types