public void TestCreateAndGetAll()
        {
            ICountryDao countryDao = new CountryDao(_graphClient);
            Country     country    = new Country()
            {
                Name = "D"
            };

            countryDao.Create(country);

            IRoutesDao routeDao = new RouteDao(_graphClient);
            Route      route    = new Route()
            {
                Name = "Route1"
            };

            routeDao.CreateIn(country, route);

            IDifficultyLevelScaleDao scaleDao = new DifficultyLevelScaleDao(_graphClient);
            DifficultyLevelScale     scale    = new DifficultyLevelScale()
            {
                Name = "sächsisch"
            };

            scaleDao.Create(scale);

            IDifficultyLevelDao levelDao = new DifficultyLevelDao(_graphClient);
            DifficultyLevel     level    = new DifficultyLevel()
            {
                Name = "7b"
            };

            levelDao.Create(scale, level);

            IVariationDao variationDao = new VariationDao(_graphClient);
            Variation     variation    = new Variation()
            {
                Name = "Ein Weg der Route1 als 7b"
            };
            Variation created = variationDao.Create(variation, route, level);

            IList <Variation> variationsOnRoute = variationDao.GetAllOn(route);

            Assert.AreEqual(1, variationsOnRoute.Count);
            Assert.AreEqual(variation.Name, variationsOnRoute.First().Name);
            Assert.AreEqual(variation.Id, variationsOnRoute.First().Id);
            Assert.AreEqual(created.Id, variationsOnRoute.First().Id);
        }