update tests

.github/workflows/test.yml

@@ -61,11 +61,6 @@ jobs:
     - uses: actions/checkout@v3
     - name: Install Nix
       uses: ./
-      with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
-        extra_nix_config: |
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix flake show github:NixOS/nixpkgs
 
   installer-options:
@@ -78,9 +73,9 @@ jobs:
     - name: Install Nix
       uses: ./
       with:
-        nix_path: nixpkgs=channel:nixos-21.05
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
+        nix_path: nixpkgs=channel:nixos-22.05
+        install_options: --tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve
+        install_url: https://nixos-nix-install-tests.cachix.org/serve/s62m7lc0q0mz2mxxm9q0kkrcg90njzhq/install
     - run: nix-build test.nix
 
   oldest-supported-installer:
@@ -93,8 +88,8 @@ jobs:
     - name: Install Nix
       uses: ./
       with:
-        nix_path: nixpkgs=channel:nixos-21.05
-        install_url: https://releases.nixos.org/nix/nix-2.3.8/install
+        nix_path: nixpkgs=channel:nixos-22.05
+        install_url: https://releases.nixos.org/nix/nix-2.8.0/install
     - run: nix-build test.nix
 
   act-support: