public void AverageIsCorrect_FourValues()
        {
            var calculatedValue = TestFunctions.Average(new List <int>()
            {
                10, 11, 12, 13
            });
            var expectedValue = 11.5;

            Assert.AreEqual(expectedValue, calculatedValue, "Value is incorrect");
        }
        public void AverageIsCorrect_ThreeValues()
        {
            var calculatedValue = TestFunctions.Average(new List <int>()
            {
                3, 2, 1
            });
            var expectedValue = 2;

            Assert.AreEqual(expectedValue, calculatedValue, "Value is incorrect");
        }