I\'m trying to develop some effective integration tests for my GAE/j application. I\'m familiar with https://developers.google.com/appengine/docs/java/tools/localunittesting --
Add two servlets (or whatever), which must be only enabled during testing, which allow you to invoke setup and teardown on the helper remotely.
Make your servlet engine serve requests in a completely single-threaded way. This is needed because for some reason, the Helper class Google provides only takes effect in the current thread.