public void GetSectionById()
        {
            Mock<ISectionRepository> mock = new Mock<ISectionRepository>();
            mock.Setup(a => a.Sections).Returns(new Section[]
            {
                new Section { id = 1, short_name = "IMZ1" },
                new Section { id = 2, short_name = "IMZ2" },
                new Section { id = 3, short_name = "IMZ3" },
                new Section { id = 4, short_name = "IMR1" },
                new Section { id = 5, short_name = "IMR2" }
            }.AsQueryable());

            SectionController ctrl = new SectionController(mock.Object);
            Section temp = ctrl.GetSectionById(1);
            Assert.IsNotNull(temp);
            Assert.AreEqual(temp.id, 1);

            Section temp2 = ctrl.GetSectionById(6);
            Assert.IsNull(temp2);
        }