account.setParent(null);
account = persist(account);
pkAccount = account.getId();
pkCurrency = currency.getId();
Customer customer = create(Customer.class, true);
customer.setParent(null);
customer.setCurrency(currency);
customer = persist(customer);
pkCustomer = customer.getId();
Visitor visitor = create(Visitor.class, true);
visitor.setAccount(account);
visitor = persist(visitor);
pkVisitor = visitor.getId();