p.setAuthorities(TEST_AUTHORITIES);
mgr.createUser(p.createUserDetails());
mgr.setUserDetailsMapper(new InetOrgPersonContextMapper());
InetOrgPerson don = (InetOrgPerson) mgr.loadUserByUsername("don");
assertEquals(2, don.getAuthorities().size());
mgr.deleteUser("don");
try {
mgr.loadUserByUsername("don");