# File lib/rspec/core/configuration.rb, line 364
      def configure_group(group)
        modules = {
          :include => group.included_modules.dup,
          :extend  => group.ancestors.dup
        }

        include_or_extend_modules.each do |include_or_extend, mod, filters|
          next unless filters.empty? || group.apply?(:any?, filters)
          group.send(include_or_extend, mod)
        end
      end