code: def test_repr(self):
      repr_str = self.transform.__repr__()
      self.assertEqual(repr_str, "ReversePixels()")
  
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 3 for calling the TestReversePixels obj's underlying member method code with example usage: obj.test_repr() without return types