# File lib/omniauth/test/strategy_test_case.rb, line 20
      def app
        strat = strategy
        resp = app_response
        Rack::Builder.new do
          use(OmniAuth::Test::PhonySession)
          use(*strat)
          run lambda { |env| [404, {'Content-Type' => 'text/plain'}, [resp || env.key?('omniauth.auth').to_s]] }
        end.to_app
      end