Arquillian (http://www.jboss.org/arquillian.html) is gaining a lot of attention in the last months. This is a relatively new project, but already stable (version 1.0.0 released two weeks ago). Please have a look at its documentation to see if it meets your requirements.
Book author: Practical Unit Testing with TestNG and Mockito
Joined: Jun 02, 2009
Thanks for the reply Tomek. I am using Websphere Application Server and not JBOSS. Will this framework work in WAS?