automatically import secrets into nixos

checks/lib/test-base.nix

@@ -0,0 +1,18 @@
+test:
+{ pkgs
+, self
+, ...
+}:
+let
+  inherit (pkgs) lib;
+  nixos-lib = import (pkgs.path + "/nixos/lib") { };
+in
+(nixos-lib.runTest {
+  hostPkgs = pkgs;
+  # speed-up evaluation
+  defaults.documentation.enable = lib.mkDefault false;
+  # to accept external dependencies such as disko
+  node.specialArgs.self = self;
+  imports = [ test ];
+}).config.result
+