public void ContentTypeController_GetContentTypes_Returns_Empty_List_Of_ContentTypes_If_No_ContentTypes()
        {
            //Arrange
            var mockDataService = new Mock <IDataService>();

            mockDataService.Setup(ds => ds.GetContentTypes()).Returns(MockHelper.CreateEmptyContentTypeReader());
            var contentTypeController = new ContentTypeController(mockDataService.Object);

            //Act
            var contentTypes = contentTypeController.GetContentTypes();

            //Assert
            Assert.IsNotNull(contentTypes);
            Assert.AreEqual(0, contentTypes.Count());
        }