# File lib/capybara/session.rb, line 301
    def save_page(path=nil)
      path ||= "capybara-#{Time.new.strftime("%Y%m%d%H%M%S")}#{rand(10**10)}.html"
      path = File.expand_path(path, Capybara.save_and_open_page_path) if Capybara.save_and_open_page_path

      FileUtils.mkdir_p(File.dirname(path))

      File.open(path,'w') { |f| f.write(body) }
      path
    end