public static void Saddcmtdelcmt(WorkflowControllerImpl wc)
      throws RemoteException, TransactionAbortedException, InvalidTransactionException {

    int xid = wc.start();
    xid = wc.start();
    boolean returnValue = wc.addRooms(xid, "Stanford", 200, 150);
    assert returnValue == true;
    returnValue = wc.addCars(xid, "SFO", 300, 30);
    assert returnValue == true;
    wc.commit(xid);

    int xid2 = wc.start();
    boolean rooms = wc.deleteRooms(xid2, "Stanford", 5);
    assert rooms == true;
    boolean cars = wc.deleteCars(xid2, "Stanford", 5);
    assert cars == true;
    wc.commit(xid2);

    int xid3 = wc.start();
    int noofrooms = wc.queryRooms(xid3, "Stanford");
    assert noofrooms == 195;
    int noofcars = wc.queryCars(xid3, "Stanford");
    assert noofcars == 195;
  }