public void Implicit_ImageValue_String()
        {
            var value = "url(http://test/test.jpg)";

            ImageValue result = value;

            Assert.Equal(value, result.ToString());
        }
        public void Implicit_String_ImageValue()
        {
            var value = new ImageValue(new Uri("http://test/test.jpg"));

            string result = value;

            Assert.Equal(value.ToString(), result);
        }