public void ShouldUpdateOrderDetails()
        {
            var order = new Order
            {
                Name    = "NewName",
                Address = "NewAddress",
                Shipped = true,
            };

            _orderRepo.AddRange(new List <Order>
            {
                order
            });
            order.Name = "NewNewName";
            _orderRepo.Update(order, false);
            var item  = _orderRepo.Find(order.Id);
            var count = _orderRepo.SaveChanges();

            Assert.Equal(1, count);
            Assert.Equal("NewNewName", item.Name);
            Assert.Equal("NewAddress", item.Address);
        }