BootstrapComponents.Components.Navbars.Navbar.Button C# (CSharp) Method

        public Button Button(string text, ButtonSettings settings = null)
        {
            var button = new Button(text, settings);
            button.Attrs["class"] += "navbar-btn";
            return button;
        }

 public void NavbarWithButton()
 {
     var output = new StringBuilder();
     var writer = new StringBuilderWriter(output);
     using (var navbar = new Navbar(writer))
     {
         writer.Write(navbar.Button("Sign In"));
     }
     Assert.AreEqual("<nav class=\"navbar navbar-default\" role=\"navigation\"><div class=\"container\">" +
                         "<button class=\"btn btn-default navbar-btn\">Sign In</button>" +
                     "</div></nav>", output.ToString());
 }