public void T3_stations_can_be_found_by_name()
        {
            ICity s = CityFactory.CreateCity("Paris");

            IStation c1 = s.AddStation("Opera", 0, 0);

            s.FindStation("Opera").Should().BeSameAs(c1);
            s.FindStation("Chatelet").Should().BeNull();


            IStation c2 = s.AddStation("Chatelet", 1, 1);

            s.FindStation("Opera").Should().BeSameAs(c1);
            s.FindStation("Chatelet").Should().BeSameAs(c2);
            s.FindStation("Ivry").Should().BeNull();

            IStation c3 = s.AddStation("Ivry", 2, 2);
            IStation c4 = s.AddStation("Villejuif", 3, 3);
            IStation c5 = s.AddStation("Bourse", 4, 4);

            s.FindStation("Opera").Should().BeSameAs(c1);
            s.FindStation("Chatelet").Should().BeSameAs(c2);
            s.FindStation("Ivry").Should().BeSameAs(c3);
            s.FindStation("Villejuif").Should().BeSameAs(c4);
            s.FindStation("Bourse").Should().BeSameAs(c5);
        }