code: def test__check_dataset_with_mismatching_data(self):
      try:
          with patch("os.listdir", side_effect=self.fake_folders):
              DH = DataHandler(
                  lr_dir={"res": "lr", "matching": False},
                  hr_dir={"res": "hr", "matching": False},
                  patch_size=0,
                  scale=0,
                  n_validation_samples=None,
              )
      except:
          self.assertTrue(True)
      else:
          self.assertTrue(False)
  
imports: import unittest
  import numpy
  from unittest.mock import patch
  from ISR.utils.datahandler import DataHandler
label_desc: Use image node_id 8 for calling the DataHandlerTest obj's underlying member method code with example usage: obj.test__check_dataset_with_mismatching_data() without return types