public void testDeleteHomeworkSuccess()
        {
            Assert.Null(serv.GetByDetails(hwTitl, hwDesc));
            // Arrange
            serv.Add(entity);
            int count = serv.All().Count();

            Guid id = serv.GetByDetails(hwTitl, hwDesc).Id;

            // Act
            MichtavaResult res = serv.Delete(entity);


            // Assert
            Assert.True(res is MichtavaSuccess);
            Assert.Null(serv.GetByDetails(hwTitl, hwDesc));
            Assert.True(serv.All().Count() == count - 1);
            Assert.True(serv.GetById(id).IsDeleted);

            Assert.True(serv.HardDelete(entity) is MichtavaSuccess);
        }