similar problem, dating back to 2006 ! http://maven.40175.n5.nabble.com/Keep-getting-quot-Class-not-found-quot-when-running-debugging-JUnit-tests-td133309.html
there are many more, still unresolved ! -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.