code: def _create_dummy_ic15_det(self):
      fake_anno = [
          "377,117,463,117,465,130,378,130,Genaxis Theatre",
          "493,115,519,115,519,131,493,131,[06]",
          "374,155,409,155,409,170,374,170,###",
          "374,155,409,155,409,170,374,170,100,000",
          " ",
      ]
      ann_file = osp.join(self.root.name, "ic15_det.txt")
      list_to_file(ann_file, fake_anno)
      return (osp.join(self.root.name, "ic15_det.jpg"), ann_file)
  
file_path: mmocr/tests/test_datasets/test_preparers/test_parsers/test_icdar_txt_parsers.py
imports: import os.path
  import tempfile
  import unittest
  from mmocr.datasets.preparers.parsers.icdar_txt_parser import ICDARTxtTextDetAnnParser, ICDARTxtTextRecogAnnParser
  from mmocr.utils import list_to_file
label_desc: Use image node_id 2 for calling the TestIC15Parsers obj's underlying member method code with example usage: obj._create_dummy_ic15_det() and returns: osp,  ann_file