class_docstr: Test the MITIFF Writer class.
docstr: Test basic writer operation with one dataset ie. no bands.
docstr_tok: ["Test","basic","writer","operation","with","one","dataset","ie",".","no","bands","."]
code: def test_save_one_dataset_sensor_set(self):
      """Test basic writer operation with one dataset ie. no bands."""
      from satpy.writers.mitiff import MITIFFWriter
  
      dataset = self._get_test_one_dataset_sensor_set()
      w = MITIFFWriter(base_dir=self.base_dir)
      w.save_dataset(dataset)
      imgdesc = self._imagedescription_from_mitiff(
          os.path.join(self.base_dir, os.listdir(self.base_dir)[0])
      )
      for key in imgdesc:
          if "In this file" in key:
              assert key == " Channels: 1 In this file: 1"
  
imports: import logging
  import os
  import unittest
  import numpy
  from PIL import Image
label_desc: Use image node_id 20 for calling the TestMITIFFWriter obj's underlying member method code with example usage: obj.test_save_one_dataset_sensor_set() without return types