public async Task GetStockTypesAsync_Returns_StockTypes()
        {
            //Arrange
            var service = new StockTypeService(_myRestaurantContext);

            //Act
            var result = await service.GetStockTypesAsync();

            //Assert
            result.Should().BeAssignableTo <IEnumerable <StockType> >();
            result.Should().HaveCount(3);
        }
        public async Task AddStockTypeAsync_Returns_New_StockType()
        {
            //Arrange
            var service = new StockTypeService(_myRestaurantContext);

            //Act
            var result = await service.AddStockTypeAsync(new StockType { Type = "Office", Description = "" });

            //Assert
            result.Should().BeAssignableTo <StockType>();
            result.Type.Should().Be("Office");
            result.Description.Should().Be("");

            //Act
            var stockTypes = await service.GetStockTypesAsync();

            //Assert
            stockTypes.Should().HaveCount(4);
        }