code: def test__check_dataset_with_matching_data(self):
      with patch("os.listdir", side_effect=self.fake_folders):
          DH = DataHandler(
              lr_dir={"res": "lr", "matching": True},
              hr_dir={"res": "hr", "matching": True},
              patch_size=0,
              scale=0,
              n_validation_samples=None,
          )
  
imports: import unittest
  import numpy
  from unittest.mock import patch
  from ISR.utils.datahandler import DataHandler
label_desc: Use image node_id 9 for calling the DataHandlerTest obj's underlying member method code with example usage: obj.test__check_dataset_with_matching_data() without return types