Grails Testing Plugin
Selenium RC Pugin For Grails
Version 1.0 of Selenium RC plugin is now available. This plugin aims to make Selenium RC a functional testing option for Grails. This version can capture a screenshot upon test case failure, and Firefox 3.6 and Firefox on OSX are now supported via Selenium Server 1.0.3. Please see the plugin docs for the full Changelog.
The source code is available from github.