merge-modules accepts >1 module

tests/module/test.nix

@@ -5,11 +5,11 @@ let
   inherit (nixpkgs) lib pkgs;
   inherit (lib.asserts) assertMsg;
   config =
-    (import <liminix/merge-modules.nix>) ./configuration.nix {} pkgs;
+    (import <liminix/merge-modules.nix>) [./configuration.nix] pkgs;
   res1 = assertMsg
     # check we have packages from both modules
-    (config.config.systemPackages == ( with pkgs; [ units hello ])) "failed";
-  res2 = let s = config.config.services;
+    (config.systemPackages == ( with pkgs; [ units hello ])) "failed";
+  res2 = let s = config.services;
          in assertMsg (s.a.enable && s.b.enable && (s.z != null) ) "failed";
 in pkgs.writeText "foo" ''
    ${if res1 then "OK" else "not OK"}

tests/smoke/configuration.nix

@@ -1,4 +1,4 @@
-{ config, pkgs } :
+{ config, pkgs, ... } :
 let
   inherit (pkgs.liminix.networking) interface address udhcpc odhcpc;
   inherit (pkgs.liminix.services) oneshot longrun bundle target output;