text: import pytest
  
  def test_web_has_server_down(docker_compose, nginxproxy):
      conf = nginxproxy.get_conf().decode('ASCII')
      r = nginxproxy.get("http://web.nginx-proxy.tld/port")
      assert r.status_code in [502, 503]
      assert conf.count("server 127.0.0.1 down;") == 1
  