title: app.UseCookieAuthentication does not seem to be working for cookiename or expiretimespan
body: <p>In asp.net 5 + (asp.net identity 3.0) I am trying to rename the cookie and see if I can set the log out value from its default.<br>
  public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
      {
        app.UseIdentity();</p>
  
  <pre><code>            app.UseCookieAuthentication(new CookieAuthenticationOptions
              {
  
                  CookieName = "MyCookie",
                  ExpireTimeSpan = TimeSpan.FromMinutes(1.0),
  
              });
  }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/d3C4f.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/d3C4f.png" alt="enter image description here"></a></p>
  
  <p>The cookie name is not being renamed to MyCookie and     ExpireTimeSpan = TimeSpan.FromMinutes(1.0) is not "logging me out after 1 minute) or setting the . I do get redirected to </p>