You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: email_signup_system_test.rb
    path of file: ./repos/workarea/storefront/test/system/workarea/storefront
    
    the code of the file until where you have to start completion: require 'test_helper'

module Workarea
  module Storefront
    class EmailSignupSystemTest < Workarea::SystemTest
      def test_allows_email_signing_up
        visit storefront.email_signup_path

        within '#dialog_email_signup_form' do
          fil
    
      def test_allows_email_signing_up
        visit storefront.email_signup_path

        within '#dialog_email_signup_form' do
          fill_in 'email', with: 'MMartyn@workarea.com'
          click_button t('workarea.storefront.users.join')
        end

        assert_current_path(storefront.email_signup_path)
        assert(page.has_content?('Success'))
      end