use test1 from Tests;
use test2 as test3 from Tests;

lib Main {
    class Program {
        func Main(args: list): void {
            var test_a: test1 = test1();
            test_a.dec_vars();
            test_a.is_error();
            if (!error) {
                var test_b: test3 = test3();
                test3.continue();
            }
        }
    }
}