code: def testEmptyArgumentIsHandledCorrectly(self):
      args, output_path = command_parser.extract_output_file_path([])
      self.assertEqual([], args)
      self.assertIsNone(output_path)
  
imports: import sys
  from tensorflow.python.debug.cli import command_parser
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 10 for calling the ExtractOutputFilePathTest obj's underlying member method code with example usage: obj.testEmptyArgumentIsHandledCorrectly() without return types