code: def test_load_text(self):
      transform = LoadOCRAnnotations(
          with_bbox=False, with_label=False, with_text=True
      )
      results = transform(copy.deepcopy(self.results))
      self.assertIn("gt_texts", results)
      self.assertListEqual(
          results["gt_texts"], ["tmp1", "tmp2", "tmp3", "tmp4"]
      )
  
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 3 for calling the TestLoadOCRAnnotations obj's underlying member method code with example usage: obj.test_load_text() without return types