[TestMethod] public void LoadsTestLayout() {

            ILayoutRepository repository = new TestRepository();
            var target = repository.GetLayout("test");
            Assert.AreEqual(3, target.Stations.Count());
            Assert.AreEqual(target.Station("G").Stretches.First().End.Station, target.Station("Yb"));
        }
        public void LoadsTestTimetable() {

            ITimetableRepository repository = new TestRepository();
            var target = repository.GetTimetable("scenario1");
            Assert.AreEqual(2, target.Trains.Count());
            Assert.AreEqual(3, target.Stations.Count());
        }