public void VerifyThatTopContainerRouteIsCorrect()
        {
            // iteration thing
            ElementDefinition elementDefinition;

            var elementDefinitionId = Guid.NewGuid();
            var iterationId         = Guid.NewGuid();
            var engineeringModelId  = Guid.NewGuid();

            elementDefinition = new ElementDefinition(elementDefinitionId, 1);
            elementDefinition.AddContainer(ClassKind.Iteration, iterationId);
            elementDefinition.AddContainer(ClassKind.EngineeringModel, engineeringModelId);

            Assert.AreEqual(string.Format("/EngineeringModel/{0}/iteration/{1}", engineeringModelId, iterationId), elementDefinition.GetTopContainerRoute());

            // engineering model thing
            Book    book;
            Section section;

            book = new Book(Guid.NewGuid(), 1);
            book.AddContainer(ClassKind.EngineeringModel, engineeringModelId);
            section = new Section(Guid.NewGuid(), 1);
            section.AddContainer(ClassKind.Book, book.Iid);
            section.AddContainer(ClassKind.EngineeringModel, engineeringModelId);

            Assert.AreEqual($"/EngineeringModel/{engineeringModelId}", book.GetTopContainerRoute());
            Assert.AreEqual($"/EngineeringModel/{engineeringModelId}", section.GetTopContainerRoute());

            EngineeringModel enModel;

            enModel = new EngineeringModel(Guid.NewGuid(), 1);

            Assert.AreEqual($"/EngineeringModel/{enModel.Iid}", enModel.GetTopContainerRoute());

            // site directory thing
            BooleanParameterType booleanParameterType;

            var booleanParameterTypeId     = Guid.NewGuid();
            var siteReferenceDataLibraryId = Guid.NewGuid();
            var siteDirectoryId            = Guid.NewGuid();
            var siteDirectory = new SiteDirectory(siteDirectoryId, 1);

            booleanParameterType = new BooleanParameterType(booleanParameterTypeId, 1);
            booleanParameterType.AddContainer(ClassKind.SiteReferenceDataLibrary, siteReferenceDataLibraryId);
            booleanParameterType.AddContainer(ClassKind.SiteDirectory, siteDirectoryId);

            Assert.That(booleanParameterType.GetTopContainerRoute(), Is.EqualTo($"/SiteDirectory/{siteDirectoryId}"));
            Assert.That(siteDirectory.GetTopContainerRoute(), Is.EqualTo($"/SiteDirectory/{siteDirectoryId}"));
        }