def METHOD_NAME(self):
    #test dest only
    self.assert_cmd('{"dest": "10.0.0.1"}')
    #test source and dest
    self.assert_cmd('{"source": "lbl-pt1.es.net", "dest": "10.0.0.1"}')
    #test source and dest and flip
    self.assert_cmd('{"source": "lbl-pt1.es.net", "dest": "10.0.0.1", "flip": true}')
    #test dest only with and flip
    expected_errors = ["Flipped testing requires source and dest"]
    self.assert_cmd('{"dest": "10.0.0.1", "flip": true}', expected_valid=False , expected_errors=expected_errors)