nixpkgsLibTests: Only test our Nix

Interface has changed upstream.
It *should* be fine to test 23.05's other Nix versions as those
*should* succeed, but that's not the case and it's obfuscating
our terrible CI setup's log.

1 files changed, 3 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index cf7c1fa12..36ba61484 100644
--- a/flake.nix
+++ b/flake.nix
@@ -656,7 +656,9 @@
         tests.nixpkgsLibTests =
           forAllSystems (system:
             import (nixpkgs + "/lib/tests/release.nix")
-              { pkgs = nixpkgsFor.${system}.native; }
+              { pkgs = nixpkgsFor.${system}.native;
+                nixVersions = [ self.packages.${system}.nix ];
+              }
           );
 
         metrics.nixpkgs = import "${nixpkgs-regression}/pkgs/top-level/metrics.nix" {