result = rs.hasRelation("id1").booleanValue();
assertEquals(true, result);
RelationNotification rn = listener.check(0);
rs.purgeRelations();
result = rs.hasRelation("id1").booleanValue();
assertEquals(false, result);
rn = listener.check(1);
assertEquals(new ArrayList(), rn.getMBeansToUnregister());
assertEquals(on, rn.getObjectName());