more tests

nixos/unit-tests.nix

 # The overall unit test suite for PrivateStorageio NixOS configuration.
 let
   pkgs = import <nixpkgs> { };
+  pspkgs = pkgs.callPackage ./modules/pspkgs.nix { };
 
   # Total the numbers in a list.
   sum = builtins.foldl' (a: b: a + b) 0;
@@ -10,10 +11,9 @@ let
   testModules =
   [ (import ./lib/tests/test_ini.nix (pkgs.callPackage ./lib/ini.nix { }))
     (import ./lib/tests/test_openssl.nix pkgs.openssl)
+    (import ./lib/tests/test_openssl.nix pspkgs.openssl)
     (import ./lib/tests/test_packages.nix { inherit pkgs; })
-    (import ./lib/tests/test_pspackages.nix {
-      pspkgs = pkgs.callPackage ./modules/pspkgs.nix { };
-    })
+    (import ./lib/tests/test_pspackages.nix { inherit pspkgs; })
   ];
 
   # Count up the tests we're going to run.