code: def setUp(self) -> None:
      # Do not use text files for tests, because the md5 value of text files
      # is different on different platforms (CR - CRLF)
      self.file1 = (
          "tests/data/det_toy_dataset/imgs/test/img_2.jpg",
          "52b28b5dfc92d9027e70ec3ff95d8702",
      )
      self.file2 = (
          "tests/data/det_toy_dataset/imgs/test/img_1.jpg",
          "abc123",
      )
  
imports: import json
  import os
  import tempfile
  import unittest
  from mmocr.utils import check_integrity, get_md5, is_archive, list_files, list_from_file, list_to_file
label_desc: Use image node_id 1 for calling the TextGetMD5 obj's underlying member method code with example usage: obj.setUp() without return types