public void Price_With_Three_Criterias()
        {
            //Arrange
            decimal basePrice  = 100m;
            decimal bonusPrice = 10m;

            _mockPriceRepository.Setup(x => x.GetPrice(PriceKeys.Base_Price)).Returns(basePrice);
            _mockPriceRepository.Setup(x => x.GetPrice(PriceKeys.Followers_Bonus_Price)).Returns(bonusPrice);
            _mockPriceRepository.Setup(x => x.GetPrice(PriceKeys.Public_Repositories_Bonus_Price)).Returns(bonusPrice);
            _mockPriceRepository.Setup(x => x.GetPrice(PriceKeys.Stars_Bonus_Price)).Returns(bonusPrice);
            //Act
            //sut means subject under test
            var sut = new PriceService(_mockPriceRepository.Object);

            PricingCriteria criteria = new PricingCriteria()
            {
                Followers          = 15,
                Stars              = 30,
                PublicRepositories = 10,
            };

            decimal output = sut.CalculateDeveloperPrice(criteria);

            //Assert
            Assert.AreEqual(output, 650);
        }