public static void IsUrlValidReturnsFalseWhenInvalid()
        {
            bool isValid = ComicUpdater.IsUrlValid("garbage");

            Assert.AreEqual(false, isValid);
        }
        public static void IsUrlValidReturnsTrueWhenValid()
        {
            bool isValid = ComicUpdater.IsUrlValid("https://testurl.com/");

            Assert.AreEqual(true, isValid);
        }