public Void call() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
State france = BasicTransactionalTestCase.this.getState(s, "Ile de France");
NaturalIdLoadAccess naturalIdLoader = s.byNaturalId(Citizen.class);
naturalIdLoader.using( "ssn", "1234" ).using( "state", france );
//Not clearing naturalId caches, should be warm from entity loading
stats.setStatisticsEnabled( true );
stats.clear();