@Override
        public void setName(final String oldName, final String newName) throws GroupAlreadyExistsException, GroupNameInvalidException, GroupNotFoundException {
            mockGroupProvider.setName(oldName, newName);
        }
As the GroupManager creates the instance of the GroupProvider, use this class to delegate calls
to the mock.
xmppserver/src/test/java/org/jivesoftware/openfire/group/GroupManagerTest.java