public void Merge()
        {
            var sut = new AverageValueStrategy();

            var result = sut.Merge(new List<double> {0.2, 0.6});

            Assert.AreEqual(0.4, result);
        }
        public void ToStringTest()
        {
            var sut = new AverageValueStrategy();

            Assert.AreEqual("Average Value", sut.ToString());
        }