async def METHOD_NAME(udns_server, multicast_scan):
    udns_server.add_service(service1())
    udns_server.add_service(service2(address=SERVICE_1_IP))
    udns_server.add_service(service3())
    atvs = await multicast_scan(identifier={SERVICE_1_ID, SERVICE_2_ID})
    assert len(atvs) == 1
    assert atvs[0].name == SERVICE_2_NAME