def test_exec(self):
        d = self.execute('echo goodbye', ConchTestOpenSSHProcess())
        return d.addCallback(self.assertEqual, 'goodbye\n')
Test that we can use whatever client to send the command "echo goodbye"
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/conch/test/test_conch.py/ForwardingMixin.test_exec