test.rb

require 'test_helper'

class IntroductionTest < ActionDispatch::IntegrationTest
  test "guided user introduction" do
    visit app_path
    find('#get_started_link').must_be :visible?

    click_link 'Get started now! Sign up!'

    find('#get_started').must_be :visible?
    find('#get_started #new_user').must_be :visible?
    find('#get_started #user_city').must_be :visible?

    within('#get_started') do
      fill_in 'user_born_on', with: '02/02/1988'
      select '♀', from: 'user_female'
      select 'Berlin', from: 'user_city' # Capybara::ElementNotFound: Unable to find option "Berlin"
    end
    click_button 'next'

  end
end

#user_city is populated with the results of the AJAX call within geofill().