settle for counting packages over comparing them, solves an infinite recursion

deployment/data-model-test.nix

@@ -71,6 +71,7 @@ in
                   };
                 policy =
                   { ... }:
+
                   {
                     _class = "fediversity-resource-policy";
                     options = {
@@ -164,22 +165,15 @@ in
       {
         inherit (fediversity)
           example-configuration
-          example-deployment
           ;
+        num-packages = lib.lists.length fediversity.example-deployment.users.users.operator.packages;
       };
     expected = {
       example-configuration = {
         enable = true;
         applications.hello.enable = true;
       };
-      example-deployment = {
+      num-packages = 1;
-        _class = "nixos";
-        users.users.operator = {
-          isNormalUser = true;
-          extraGroups = [ ];
-          packages = [ ];
-        };
-      };
     };
   };
 }