def setUp(self):
     self.target = OFPFlow("OFPFlow", "ofp_version", "ofp_flow_id",
                           "ofp_owner", "ofp_enabled", "ofp_priority",
                           "ofp_status", "ofp_attributes", "ofp_matches",
                           "ofp_idle_timeout", "ofp_hard_timeout",
                           "ofp_path", "ofp_edge_actions")