@Test
 public void resetTable() {
   Long dinnerTableId = 1L;
   AcknowledgmentMessage message = this.resetTable(dinnerTableId);
   Assert.assertNotNull(message);
   Assert.assertTrue(AcknowledgmentMessage.Type.ERROR.equals(message.getType()));
 }
 @Test
 public void updateTableCustomersNumber() {
   Long id = 1L;
   Integer customersNumber = 2;
   AcknowledgmentMessage message = this.updateTableCustomersNumber(id, customersNumber);
   Assert.assertNotNull(message);
   Assert.assertTrue(AcknowledgmentMessage.Type.ERROR.equals(message.getType()));
 }
 @Test
 public void saveOrderLine() {
   SaveOrderLineForm form = new SaveOrderLineForm();
   OrderLineDto orderLine = new OrderLineDto();
   form.setOrderLine(orderLine);
   StringBuilder sb = new StringBuilder(context).append(OrdersController.SAVE_ORDER_LINE);
   AcknowledgmentMessage ack =
       restTemplate.postForObject(sb.toString(), form, AcknowledgmentMessage.class);
   Assert.assertNotNull(ack);
   Assert.assertNotNull(ack.getAttachment());
 }