garage: migrate to clan.nixosTests module

clanServices/garage/flake-module.nix

@@ -1,18 +1,19 @@
-{ lib, self, ... }:
+{ lib, ... }:
+let
+  module = lib.modules.importApply ./default.nix { };
+in
 {
   clan.modules = {
-    garage = lib.modules.importApply ./default.nix { };
+    garage = module;
   };
 
   perSystem =
-    { pkgs, ... }:
+    { ... }:
     {
-      checks = lib.optionalAttrs (pkgs.stdenv.isLinux) {
-        garage = import ./tests/vm/default.nix {
-          inherit pkgs;
-          clan-core = self;
-          nixosLib = import (self.inputs.nixpkgs + "/nixos/lib") { };
-        };
+      clan.nixosTests.garage = {
+        imports = [ ./tests/vm/default.nix ];
+
+        clan.modules."@clan/garage" = module;
       };
     };
 }

clanServices/garage/tests/vm/default.nix

@@ -1,23 +1,13 @@
 {
+  module,
   pkgs,
-  nixosLib,
-  clan-core,
   ...
 }:
-nixosLib.runTest (
-  { ... }:
 {
-    imports = [
-      clan-core.modules.nixosVmTest.clanTest
-    ];
-
-    hostPkgs = pkgs;
-
   name = "garage";
 
   clan = {
     directory = ./.;
-      modules."@clan/garage" = ../../default.nix;
     inventory = {
       machines.server = { };
 
@@ -84,4 +74,3 @@ nixosLib.runTest (
     server.succeed("${pkgs.netcat}/bin/nc -z -v 127.0.0.1 3903")
   '';
 }
-)