Logger ExecutionTester 

@Test public void testTransaction() throws Exception {
  TransferService service=domain.getService(TransferService.class,"TransferServiceComponent");
  String[] accounts=service.getAccounts();
  for (int i=0; i < accounts.length; i++) {
    float balance=service.getBalance(accounts[i]);
    System.out.println("[" + i + "] "+ accounts[i]+ ":"+ balance);
  }
  service.transfer(accounts[0],accounts[2],200.0f);
}