public class TestInterface extends TestCase {
public void testIntCall() throws Exception {
Task task = new kilim.test.ex.ExInterfaceImpl();
Mailbox<ExitMsg> exitmb = new Mailbox<ExitMsg>();
Scheduler s = new Scheduler(1);
task.informOnExit(exitmb);
task.setScheduler(s);
task.start();
ExitMsg m = exitmb.getb();
if (m == null) {