public void TestInitiation()
        {
            var edge = new TemporalEdge
            {
                Next = new TemporalNode()
            };

            Assert.NotNull(edge.Next);
        }
        public void TestTermination()
        {
            var edge = new TemporalEdge
            {
                Previous = new TemporalNode()
            };

            Assert.NotNull(edge.Previous);
        }