JCase uses XML file to organize multi-testcase data and asserting conditions (action and expected result), and provides a set of easy-to-use methods to retrieve test cases out from XML, and assert results against those expected ones in data file.
NetClipse is an Eclipse plugin for NetBeans. Eclipse runs embedded within the NetBeans platform as a plugin offering the best of both worlds to Java developers. May be just a joke ;-) .... Check also it's twin at : http://sf.net/projects/beanclipse