public void Should_Use_XmppDomain_As_Default_Realm()
        {
            // Arrange
            string serverStep1 = "nonce=\"3828753646\",qop=\"auth\",charset=utf-8,algorithm=md5-sess";
            var    step1       = new Step1(serverStep1);
            var    xmppClient  = new XmppClient()
            {
                Username = "******", XmppDomain = "server.com", Password = "******"
            };
            var step2 = new Step2(step1, xmppClient);

            // Assert
            step2.GetMessage().ShouldContain("realm=\"server.com\"");
        }