new_contents: import pytest
  import requests
  
  
  MLS_URL = 'https://location.services.mozilla.com/v1/country' \
            '?key=ec4d0c4b-b9ac-4d72-9197-289160930e14'
  
  
  @pytest.mark.parametrize('url', (
      '/',
      '/firefox/',
      '/firefox/new/',
      '/about/',
  ))
  @pytest.mark.nondestructive
  def test_locale_redirect(url, base_url):
      resp = requests.get(f'{base_url}{url}',
                          allow_redirects=False,
                          headers={'accept-language': 'de'})
      assert resp.status_code == 301
      assert 'accept-language' in resp.headers['vary'].lower()
      assert resp.headers['location'].startswith('/de/')
  
  
  @pytest.mark.parametrize('url', (
      # only in s3
      '/media/contentcards/img/home-en/card_2/card_2.73be009fe44e.jpg',
      # comes from bedrock
      '/media/protocol/img/logos/mozilla/black.40d1af88c248.svg',
  ))
  @pytest.mark.nondestructive
  def test_media(url, base_url):
      """Verify that media is well cached and loaded from s3"""
      url = f'{base_url}{url}'
      resp = requests.head(url)
      assert resp.status_code == 200
      assert resp.headers['cache-control'] == 'max-age=315360000, public, immutable'
      # this means it came from s3
      assert 'x-amz-version-id' in resp.headers
      # cloudfront
      assert 'x-cache' in resp.headers
      assert 'x-amz-cf-id' in resp.headers
      assert 'cloudfront' in resp.headers['x-cache']
  
  
  @pytest.mark.nondestructive
  def test_geo(base_url):
      """Make sure our geo results match MLS no matter where they're run"""
      cdn_url = f'{base_url}/country-code.json'
      mls_country = requests.get(MLS_URL).json()['country_code']
      cdn_country = requests.get(cdn_url).json()['country_code']
      assert cdn_country == mls_country
  
subject: Add tests for CDN infra