anchor.diff:          # https://www.home-assistant.io/integrations/frontend/
           frontend = {};
   
  -        # configure an mqtt broker connection
  -        # https://www.home-assistant.io/integrations/mqtt
  -        mqtt = {
  -          broker = "127.0.0.1";
  -          username = mqttUsername;
  -          password = mqttPassword;
  -        };
  -
  -        # create a mqtt sensor that syncs state with its mqtt topic
  -        # https://www.home-assistant.io/integrations/sensor.mqtt/
  -        binary_sensor = [ {
  -          platform = "mqtt";
  -          state_topic = "home-assistant/test";
  -          payload_on = "let_there_be_light";
  -          payload_off = "off";
  -        } ];
  -
           # set up a wake-on-lan switch to test capset capability required
           # for the ping suid wrapper
           # https://www.home-assistant.io/integrations/wake_on_lan/
  
positive.code:           listen_port = 80;
          };
  
          # show mqtt interaction in the log
          # https://www.home-assistant.io/integrations/logger/
          logger = {
            default = "info";
            logs."homeassistant.components.mqtt" = "debug";
          };
        };
  
  
negative.code:     with subtest("Check that no errors were logged"):
          assert "ERROR" not in output_log
  
      with subtest("Check systemd unit hardening"):
          hass.log(hass.succeed("systemctl cat home-assistant.service"))
          hass.log(hass.succeed("systemd-analyze security home-assistant.service"))
  