code: def tearDown(self):
      os.unlink(self.name)
      os.unlink(self.name_same)
      os.unlink(self.name_diff)
  
imports: import filecmp
  import os
  import shutil
  import tempfile
  import unittest
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 2 for calling the FileCompareTestCase obj's underlying member method code with example usage: obj.tearDown() without return types