如何使用vows.js运行清理？

I'm using Vows.js to test some node.js which is creating records in a database. As a result of this it creates some test records in the database. I'd like to remove these records once the tests have run. Is there a way to run a cleanup function when a batch of tests is run in Vows?I'm using Vows.js to test some node.js which is