services: fix extraModules as path

lib/modules/inventory/distributed-service/tests/default.nix

@@ -45,6 +45,7 @@ let
       };
     in
     clanLib.inventory.mapInstances {
+      directory = ./.;
       clanCoreModules = { };
       flakeInputs = flakeInputsFixture;
       inherit inventory;
@@ -52,6 +53,7 @@ let
     };
 in
 {
+  extraModules = import ./extraModules.nix { inherit clanLib; };
   exports = import ./exports.nix { inherit lib clanLib; };
   resolve_module_spec = import ./import_module_spec.nix { inherit lib callInventoryAdapter; };
   test_simple =

lib/modules/inventory/distributed-service/tests/extraModules.nix

@@ -0,0 +1,33 @@
+{ clanLib }:
+let
+  clan = clanLib.clan {
+    self = { };
+    directory = ./.;
+
+    machines.jon = {
+      nixpkgs.hostPlatform = "x86_64-linux";
+
+    };
+    # A module that adds exports perMachine
+    modules.A = {
+      manifest.name = "A";
+      roles.peer = { };
+    };
+
+    inventory = {
+      instances.A = {
+        module.input = "self";
+        roles.peer.tags.all = { };
+
+        roles.peer.extraModules = [ ./oneOption.nix ];
+      };
+    };
+  };
+in
+{
+  test_1 = {
+    inherit clan;
+    expr = clan.config.nixosConfigurations.jon.config.testDebug;
+    expected = 42;
+  };
+}

lib/modules/inventory/distributed-service/tests/oneOption.nix

@@ -0,0 +1,6 @@
+{ lib, ... }:
+{
+  options.testDebug = lib.mkOption {
+    default = 42;
+  };
+}