invoice/test_driver/all_it_test.dart

import 'clients_it_test.dart' as clients;
import 'invoices_it_test.dart' as invoices;
import 'login_it_test.dart' as login;
import 'products_it_test.dart' as products;

void main() {
  login.main();
  products.main();
  clients.main();
  invoices.main();
}