public void XapiFriendlyNameStaticMethodsReturnStrings()
        {
            IUnitTestVerifier validator = new VerifyStaticMethodReturn(typeof(FriendlyErrorNames));

            validator.Verify(typeof(string));
        }
        public void InvisibleMessagesStaticMethodsReturnStrings()
        {
            IUnitTestVerifier validator = new VerifyStaticMethodReturn(typeof(InvisibleMessages));

            validator.Verify(typeof(string));
        }