Failure/Error: get :facebook
     RuntimeError:
       --- !ruby/hash:OmniAuth::AuthHash
       omniauth.auth: !ruby/hash:Hashie::Mash
         provider: facebook
         uid: '1234'
         credentials: !ruby/hash:Hashie::Mash
           token: abcdefg
         extra: !ruby/hash:Hashie::Mash
           raw_info: !ruby/hash:Hashie::Mash
             id: '1234567'
             email: ghost@nobody.com
             name: Mark
             gender: male