var resultOne = controller.FirstDateOfWeek(2012, 41);
            var resultSecond = controller.FirstDateOfWeek(2016, 20);
            var resultThird = controller.FirstDateOfWeek(2015, 3);
            var resultFourth = controller.FirstDateOfWeek(1992, 52);

            Assert.AreEqual(new DateTime(2012, 10, 8), resultOne);
            Assert.AreEqual(new DateTime(2016, 5, 16), resultSecond);
            Assert.AreEqual(new DateTime(2015, 1, 12), resultThird);
            Assert.AreEqual(new DateTime(1992, 12, 21), resultFourth);