如何使用Capistrano部署到单个特定服务器

I have a system in production that has several servers in several roles. I would like to test a new app server by deploying to that specific server, without having to redeploy to every server in production. Is there a way to ask Capistrano to deploy to a specific server? Ideally I'd like to be able to run something likeI have a system in production that has several