// unsure why I can't add this as property in the map-mock above
            connection.metaClass.num = address.num
            return { connection } as ConnectCompletion
        }
    }

    def createAddress(int i) {
        new Address() {
            int getNum() { i }

            String getDisplayName() { getNum() }
        }
    }

    def createConnector() {