user_spec.rb

          sign_in_count
          current_sign_in_at
          last_sign_in_at
          current_sign_in_ip
          hidden_shareables
          last_sign_in_ip
          invitation_service
          invitation_identifier
          invitation_limit
          invited_by_id
          invited_by_type
          authentication_token
          auto_follow_back
          auto_follow_back_aspect_id
          unconfirmed_email
          confirm_email_token
        }.sort
      end
    end
  end
end