/** Test of finding room by price */
 @Test
 public void findByPriceTest() {
   List<Room> list = new ArrayList<>();
   list.add(room1);
   list.add(room3);
   BigDecimal price = new BigDecimal("25.0");
   when(roomDao.findRoomByPrice(any(BigDecimal.class))).thenReturn(list);
   assertEquals((roomService.findByPrice(price)).size(), 2);
   verify(roomDao).findRoomByPrice(any(BigDecimal.class));
 }