@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()));
 }