anchor.diff:            user = config.services.nginx.user;
             group = config.services.nginx.group;
           };
  -        systemd.targets."acme-finished-example.test" = {};
  +        systemd.targets."acme-finished-example.test" = {
  +          after = [ "acme-example.test.service" ];
  +          wantedBy = [ "acme-example.test.service" ];
  +        };
           systemd.services."acme-example.test" = {
  -          wants = [ "acme-finished-example.test.target" ];
  -          before = [ "acme-finished-example.test.target" "nginx.service" ];
  +          before = [ "nginx.service" ];
             wantedBy = [ "nginx.service" ];
           };
           services.nginx.virtualHosts."c.example.test" = {
  
positive.code: 
        # A target remains active. Use this to probe the fact that
        # a service fired eventhough it is not RemainAfterExit
        systemd.targets."acme-finished-a.example.test" = {};
        systemd.services."acme-a.example.test" = {
          wants = [ "acme-finished-a.example.test.target" ];
          before = [ "acme-finished-a.example.test.target" ];
          after = [ "nginx.service" ];
        };
  
  
negative.code:       security.acme.certs."standalone.test" = {
          webroot = "/var/lib/acme/acme-challenges";
        };
        systemd.targets."acme-finished-standalone.test" = {
          after = [ "acme-standalone.test.service" ];
          wantedBy = [ "acme-standalone.test.service" ];
        };
        services.nginx.enable = true;
        services.nginx.virtualHosts."standalone.test" = {
  