code: def test_repr(self):
      transform = LoadOCRAnnotations(
          with_bbox=True,
          with_label=True,
          with_polygon=True,
          with_text=True,
      )
      self.assertEqual(
          repr(transform),
          (
              "LoadOCRAnnotations(with_bbox=True, with_label=True, "
              "with_polygon=True, with_text=True, "
              "imdecode_backend='cv2', backend_args=None)"
          ),
      )
  
imports: import copy
  import os.path
  from unittest import TestCase
  import mmcv
  import numpy
  from mmocr.datasets.transforms import InferencerLoader, LoadImageFromFile, LoadKIEAnnotations, LoadOCRAnnotations
label_desc: Use image node_id 4 for calling the TestLoadOCRAnnotations obj's underlying member method code with example usage: obj.test_repr() without return types