Removed tests. They were written for testng originally, the rest of OF uses JUnit so if the tests are rewritten it should be done using that. Turns out testing is with plugins is really hard due to all the static managers.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@10333 b35dd754-fafc-0310-a699-88a17e54d16e