nixos/tests/grafana/provision: fix test

      };

    };

    systemd.tmpfiles.rules = [

      "L /var/lib/grafana/dashboards/test.json 0700 grafana grafana - ${pkgs.writeText "test.json" (builtins.readFile ./test_dashboard.json)}"

    ];

    system.activationScripts.setup-grafana = {

      deps = [ "users" ];

      text = ''

        mkdir -p /var/lib/grafana/dashboards

        chown -R grafana:grafana /var/lib/grafana

        chmod 0700 -R /var/lib/grafana/dashboards

        cp ${pkgs.writeText "test.json" (builtins.readFile ./test_dashboard.json)} /var/lib/grafana/dashboards/

      '';

    };

  };

  extraNodeConfs = {