use upstream clan testModule

flake.lock

@@ -206,10 +206,10 @@
     "nixpkgs": {
       "locked": {
         "lastModified": 1761656231,
-        "narHash": "sha256-EiED5k6gXTWoAIS8yQqi5mAX6ojnzpHwAQTS3ykeYMg=",
+        "narHash": "sha256-krgZxGAIIIKFJS+UB0l8do3sYUDWJc75M72tepmVMzE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e99366c665bdd53b7b500ccdc5226675cfc51f45",
+        "rev": "d7f52a7a640bc54c7bb414cca603835bf8dd4b10",
         "type": "github"
       },
       "original": {

modules/clan/flake-module.nix

@@ -1,4 +1,7 @@
-{ inputs, lib, ... }:
+{
+  inputs,
+  ...
+}:
 {
   imports =
     let
@@ -16,12 +19,7 @@
 
       # Create import paths for each valid directory
       imports = (map (name: ./. + "/${name}/flake-module.nix") validModuleDirs) ++ [
-        (import (inputs.clan-core + "/lib/flake-parts/clan-nixos-test.nix") {
-          inherit lib;
-          flake-parts-lib = inputs.flake-parts.lib;
-          self = inputs.clan-core;
-          inputs = inputs.clan-core.clan.self.inputs;
-        })
+        inputs.clan-core.flakeModules.testModule
       ];
     in
     imports;