public void GenerateParentTest()
        {
            int FitnessFun(IReadOnlyList <int> guess) => 86;

            var geneSet = new[] { 1, 3, 5, 7, 9 };
            var parent  = Genetic <int, int> .GenerateParent(10, geneSet, FitnessFun);

            Assert.IsInstanceOfType(parent, typeof(Chromosome <int, int>));
            Assert.AreEqual(86, parent.Fitness);
            Assert.IsTrue(geneSet.All(c => parent.Genes.Contains(c)));
        }