class_docstr: Case for testing correct behaviour when the data has negative slope2 coefficients.
class_docstr_tok: ["Case","for","testing","correct","behaviour","when","the","data","has","negative","slope2","coefficients","."]
docstr: Tear down the test case.
docstr_tok: ["Tear","down","the","test","case","."]
code: def tearDown(self):
      """Tear down the test case."""
      with suppress(PermissionError):
          os.remove(self.filename)
  
imports: import datetime
  import os
  import tempfile
  import unittest
  from contextlib import suppress
  from unittest import mock
  import numpy
  from satpy.readers.aapp_l1b import _HEADERTYPE, _SCANTYPE, AVHRRAAPPL1BFile
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 3 for calling the TestNegativeCalibrationSlope obj's underlying member method code with example usage: obj.tearDown() without return types