xml_http_request

# File actionpack/lib/action_dispatch/testing/integration.rb, line 83
      def xml_http_request(request_method, path, *args)
        if kwarg_request?(args)
          params, headers, env = args.first.values_at(:params, :headers, :env)
        else
          params = args[0]
          headers = args[1]
          env = {}

          if params.present? || headers.present?
            non_kwarg_request_warning
          end
        end

        ActiveSupport::Deprecation.warn(          xhr and xml_http_request methods are deprecated in favor of          `get "/posts", xhr: true` and `post "/posts/1", xhr: true`..strip_heredoc)

        process(request_method, path, params: params, headers: headers, xhr: true)
      end