anchor.diff:          hass.succeed(
               "mosquitto_pub -V mqttv5 -t home-assistant/test -u ${mqttUsername} -P '${mqttPassword}' -m let_there_be_light"
           )
  +    with subtest("Check that capabilities are passed for emulated_hue to bind to port 80"):
  +        hass.wait_for_open_port(80)
  +        hass.succeed("curl --fail http://localhost:80/description.xml")
       with subtest("Print log to ease debugging"):
           output_log = hass.succeed("cat ${configDir}/home-assistant.log")
           print("\n### home-assistant.log ###\n")
  
positive.code:     # example line: 2020-06-20 10:01:32 DEBUG (MainThread) [homeassistant.components.mqtt] Received message on home-assistant/test: b'let_there_be_light'
      with subtest("Check we received the mosquitto message"):
          assert "let_there_be_light" in output_log
    '';
  })
  
negative.code:           payload_on = "let_there_be_light";
            payload_off = "off";
          }];
          emulated_hue = {
            host_ip = "127.0.0.1";
            listen_port = 80;
          };
          logger = {
            default = "info";
            logs."homeassistant.components.mqtt" = "debug";
  