public void TestDeactivateShop()
        {
            // Arrange.
            int  shopID = 100100;
            Shop shop   = new Shop()
            {
                ShopID      = shopID,
                RoomID      = 100300,
                Name        = "Test Shop",
                Description = "TESTING",
                Active      = true
            };

            _shopMock.CreateShop(shop);

            // Act.
            _shopManager.DeactivateShop(shop);

            // Assert.
            Assert.IsFalse(_shopManager.RetrieveShopByID(shopID).Active);
        }