Join() private method

private Join ( ) : System.Web.Mvc.ActionResult
return System.Web.Mvc.ActionResult
        public void GivenAJoinAction_ThenTheResponseContainsAGatherVerb()
        {
            var controller = new ConferenceController {Url = Url};
            var result = controller.Join();

            result.ExecuteResult(MockControllerContext.Object);
            var document = BuildDocument();

            Assert.That(document.SelectSingleNode("Response/Gather").Attributes["action"].Value,
                Is.EqualTo("/Conference/Connect"));
        }