def testHelp(self):
        d = self.runCommand('?')
        d.addCallback(self.assertEqual,
                      cftp.StdioClient(None).cmd_HELP('').strip())
        return d
If the path is not absolute, guess that it is a subdirectory of the
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_cftp.py/OurServerCmdLineClientTests.testHelp--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/twitter/util.py/guess_path