anchor.diff:    meta.maintainers = lib.teams.home-assistant.members;
   
     nodes.hass = { pkgs, ... }: {
  -    environment.systemPackages = with pkgs; [ mosquitto ];
  -
       services.postgresql = {
         enable = true;
         ensureDatabases = [ "hass" ];
  
positive.code:     assert match
      package = match.group('path')
  
      hass.wait_for_unit("home-assistant.service")
  
      with subtest("Check that YAML configuration file is in place"):
          hass.succeed("test -L ${configDir}/configuration.yaml")
  
negative.code:   in
    ''
      import re
      import json
  
      start_all()
  
  