LGTM Why do some of our .classpath entries reference the JUnit jar directly, and others reference the Eclipse library JUNIT_CONTAINER?
It seems likely that you need to update the latter ones to 4 rather than 3, or change them to specifically reference the jar. http://gwt-code-reviews.appspot.com/1374801/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
