public void LoadUDFHistoryData_ForDataTable_ReturnActionResult()
        {
            // Arrange
            InitializeUdfHistory();
            var controller = new SubscriberController();

            // Act
            var result = controller.LoadUDFHistoryData(GroupId, GroupId, GroupId) as JsonResult;

            // Assert
            result.ShouldSatisfyAllConditions(
                () => result.ShouldNotBeNull(),
                () => result.Data.ShouldNotBeNull());
        }