public void Test_MarkDone_MarkTaskAsDone()
        {
            DateTime date1    = new DateTime(2008, 4, 10);
            Task     testTask = new Task("Mow the lawn", date1);

            testTask.Save();
            testTask.MarkDone();
            Task actual = Task.GetAll()[0];

            Assert.Equal(true, actual.GetStatus());
        }