public void AddVertexUnitTest()
        {
            Assert.Inconclusive("TODO");

            Fallen8             fallen8    = null;                      // TODO: Initialize to an appropriate value
            var                 target     = new GraphService(fallen8); // TODO: Initialize to an appropriate value
            VertexSpecification definition = null;                      // TODO: Initialize to an appropriate value
            int                 expected   = 0;                         // TODO: Initialize to an appropriate value
            int                 actual;

            actual = target.AddVertex(definition);
            Assert.AreEqual(expected, actual);
        }