public void SumOfMultiples2()
        {
            List <int> multiples = new List <int> {
                2, 5, 7
            };

            int lowerBoundary = 0;
            int upperBoundary = 10;

            int result = Multiples.SumOfMultiples(multiples, lowerBoundary, upperBoundary);

            Assert.AreEqual(32, result);
        }
        public void SumOfMultiples()
        {
            int firstMultiple  = 3;
            int secondMultiple = 7;

            List <int> multiples = new List <int> {
                firstMultiple, secondMultiple
            };

            int lowerBoundary = 0;
            int upperBoundary = 10;

            int result = Multiples.SumOfMultiples(multiples, lowerBoundary, upperBoundary);

            Assert.AreEqual(25, result);
        }