Fix test.
Fix test.

* Visit all page with poltergeist(with poltergiest, a[:href] starts http://).
* Visit least pages.
* Not visit /logout if logged in.
* Not visit /auth/twitter if not logged in.

ref: http://qiita.com/sanryuu/items/73ec91d977603a8138ff#%E3%83%9A%E3%83%BC%E3%82%B8%E3%82%92%E9%81%B7%E7%A7%BB%E3%81%97%E3%81%A6%E5%87%A6%E7%90%86%E3%81%99%E3%82%8B%E3%82%BF%E3%82%A4%E3%83%97

ryupitbros4/itswitter,ryupitbros4/itswitter,ryupitbros4/itswitter