public void SetUtcFullYearWithThreeParametersWorks() {
			var dt = new JsDate(JsDate.Utc(2000, 0, 1));
			dt.SetUtcFullYear(2021, 7, 13);
			Assert.AreEqual(dt.GetUtcFullYear(), 2021);
			Assert.AreEqual(dt.GetUtcMonth(), 7);
			Assert.AreEqual(dt.GetUtcDate(), 13);
        }
        public void SetUtcFullYearWithOneParameterWorks() {
			var dt = new JsDate(JsDate.Utc(2000, 0, 1));
			dt.SetUtcFullYear(2021);
			Assert.AreEqual(dt.GetUtcFullYear(), 2021);
        }