# File lib/cucumber/formatter/json.rb, line 130
      def embed(file, mime_type)
        obj = @current_step || @current_object
        obj[:embedded] ||= []

        obj[:embedded] << {
          :file      => file,
          :mime_type => mime_type,
          :data      => [File.read(file)].pack("m*") # base64
        }
      end