### Question:
AuthorizationSession { AuthorizationSession user(User aUser) { _user = aUser; if (_user == null) { LOG.warn("AuthorizationSession.user: user is null!"); _groups = null; } else { _groups = _userUtils.getUserGroups(_user); _superUser = _userUtils.isSuperUser(_user); } return this; } AuthorizationSession(RangerBasePlugin authorizer);   }### Answer:
@Test public void testUser() { }