def test_aux(project, manager, port_manager): aux = port_manager.get_free_tcp_port(project) port_manager.release_tcp_port(aux, project) vm = DockerVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager, "ubuntu", aux=aux) assert vm.aux == aux vm.aux = None assert vm.aux is None