class_docstr: Test the nwcsaf msg reader.
class_docstr_tok: ["Test","the","nwcsaf","msg","reader","."]
docstr: Destroy.
docstr_tok: ["Destroy","."]
code: def tearDown(self):
      """Destroy."""
      try:
          os.remove(self.filename_ct)
          os.remove(self.filename_ctth)
      except OSError:
          pass
  
file_path: satpy/satpy/tests/reader_tests/test_nwcsaf_msg.py
imports: import os
  import tempfile
  import unittest
  from collections import OrderedDict
  import h5py
  import numpy
  import pytest
  from satpy.tests.reader_tests.utils import fill_h5
label_desc: Use image node_id 4 for calling the TestH5NWCSAF obj's underlying member method code with example usage: obj.tearDown() without return types