public void TwinGraphCreatedFromGraphHasAllTwinVerticesBasedOnPrecursors() { Assert.AreEqual(2, _tg.Vertices.Count); Assert.IsTrue(VertexHelper.DoesTwinVertexExist(_v1.Guid, _tg.Vertices)); Assert.IsTrue(VertexHelper.DoesTwinVertexExist(_v2.Guid, _tg.Vertices)); }