public void SetFullYearWithThreeParametersWorks() {
			var dt = new JsDate(2000, 0, 1);
			dt.SetFullYear(2021, 7, 13);
			Assert.AreEqual(dt.GetFullYear(), 2021);
			Assert.AreEqual(dt.GetMonth(), 7);
			Assert.AreEqual(dt.GetDate(), 13);
        }
        public void SetFullYearWithOneParameterWorks() {
			var dt = new JsDate(2000, 0, 1);
			dt.SetFullYear(2021);
			Assert.AreEqual(dt.GetFullYear(), 2021);
        }