public void invalidCharReturnsInvalidDir()
        {
            var info   = A.Fake <ServerConnectionInformation>();
            var server = A.Fake <FTPTestWrapperAbstract>();

            info.UserName   = "******";
            info.PassWord   = "******";
            info.ServerName = "ftp://localhost";
            FtpWebResponse a = null;

            CreateRemoteDirectory crd = new CreateRemoteDirectory(info);
            bool test = crd.validDir("hello,this|is<not>valid");

            Assert.IsFalse(test);
        }