public void UnwrapExceptionMessage_Returns_WebException_Message_For_WebException_With_Null_Response()
        {
            WebException webException = new WebException("this is a message");

            Assert.IsNull(webException.Response);

            string message = webException.UnwrapExceptionMessage();

            StringAssert.AreEqualIgnoringCase(webException.Message, message);
        }