nixosTests: pass thru pkgs when available (#331873)

nixos/tests/boot.nix

@@ -65,20 +65,22 @@ let
 
   iso =
     (import ../lib/eval-config.nix {
-      inherit system;
       modules = [
         ../modules/installer/cd-dvd/installation-cd-minimal.nix
         ../modules/testing/test-instrumentation.nix
+        { nixpkgs.pkgs = pkgs; }
       ];
     }).config.system.build.isoImage;
 
   sd =
     (import ../lib/eval-config.nix {
-      inherit system;
       modules = [
         ../modules/installer/sd-card/sd-image-x86_64.nix
         ../modules/testing/test-instrumentation.nix
-        { sdImage.compressImage = false; }
+        {
+          sdImage.compressImage = false;
+          nixpkgs.pkgs = pkgs;
+        }
       ];
     }).config.system.build.sdImage;
 
@@ -109,7 +111,6 @@ let
     let
       config =
         (import ../lib/eval-config.nix {
-          inherit system;
           modules = [
             ../modules/installer/netboot/netboot.nix
             ../modules/testing/test-instrumentation.nix
@@ -118,6 +119,8 @@ let
                 "serial"
                 "live.nixos.passwordHash=$6$jnwR50SkbLYEq/Vp$wmggwioAkfmwuYqd5hIfatZWS/bO6hewzNIwIrWcgdh7k/fhUzZT29Vil3ioMo94sdji/nipbzwEpxecLZw0d0" # "password"
               ];
+
+              nixpkgs.pkgs = pkgs;
             }
             {
               key = "serial";

nixos/tests/ec2.nix

@@ -12,7 +12,6 @@ with import common/ec2.nix { inherit makeTest pkgs; };
 let
   imageCfg =
     (import ../lib/eval-config.nix {
-      inherit system;
       modules = [
         ../maintainers/scripts/ec2/amazon-image.nix
         ../modules/testing/test-instrumentation.nix
@@ -54,6 +53,8 @@ let
             apacheHttpd.man
             valgrind.doc
           ]);
+
+          nixpkgs.pkgs = pkgs;
         }
       ];
     }).config;

nixos/tests/image-contents.nix

@@ -14,7 +14,6 @@ with import common/ec2.nix { inherit makeTest pkgs; };
 let
   config =
     (import ../lib/eval-config.nix {
-      inherit system;
       modules = [
         ../modules/testing/test-instrumentation.nix
         ../modules/profiles/qemu-guest.nix
@@ -22,6 +21,7 @@ let
           fileSystems."/".device = "/dev/disk/by-label/nixos";
           boot.loader.grub.device = "/dev/vda";
           boot.loader.timeout = 0;
+          nixpkgs.pkgs = pkgs;
         }
       ];
     }).config;

nixos/tests/openstack-image.nix

@@ -12,7 +12,6 @@ with import common/ec2.nix { inherit makeTest pkgs; };
 let
   image =
     (import ../lib/eval-config.nix {
-      inherit system;
       modules = [
         ../maintainers/scripts/openstack/openstack-image.nix
         ../modules/testing/test-instrumentation.nix
@@ -22,6 +21,8 @@ let
           system.extraDependencies = with pkgs; [
             stdenv
           ];
+
+          nixpkgs.pkgs = pkgs;
         }
       ];
     }).config.system.build.openstackImage

nixos/tests/systemd-machinectl.nix

@@ -20,11 +20,12 @@ import ./make-test-python.nix (
         imports = [ ../modules/profiles/minimal.nix ];
 
         system.stateVersion = config.system.nixos.release;
+
+        nixpkgs.pkgs = pkgs;
       };
 
     containerSystem =
       (import ../lib/eval-config.nix {
-        inherit (pkgs) system;
         modules = [ container ];
       }).config.system.build.toplevel;