test: update to NixOS 22.11

test/lib/make-test-vm.nix

@@ -6,20 +6,25 @@ let
   };
 in
 
-args:
+module:
 let
-  test = pythonTesting.makeTest args;
+  test = (pythonTesting.evalTest module).config;
 
-  # 1. Save test logging output
-  # 2. Add link to driver so that a gcroot to a test prevents the driver from
-  #    being garbage-collected
-  fixedTest = test.overrideAttrs (_: {
-    # See `runTests` in nixpkgs/nixos/lib/testing-python.nix for the original definition of `buildCommand`
+  runTest = pkgs.stdenv.mkDerivation {
+    name = "vm-test-run-${test.name}";
+
+    requiredSystemFeatures = [ "kvm" "nixos-test" ];
+
+    # 1. Save test logging output
+    # 2. Add link to driver so that a gcroot to a test prevents the driver from
+    #    being garbage-collected
     buildCommand = ''
       mkdir "$out"
       LOGFILE=$out/output.xml tests='exec(os.environ["testScript"])' ${test.driver}/bin/nixos-test-driver
       ln -s ${test.driver} "$out/driver"
     '';
-  });
+
+    inherit (test) meta passthru;
+  } // test;
 in
-  fixedTest
+  runTest

test/lib/make-test.nix

@@ -47,7 +47,7 @@ let
         # is_interactive is set in ./run-vm.sh
         ''
           if not "is_interactive" in vars():
-              run_tests()
+              nb_run_tests()
         ''
       ];
   };

test/tests.py

@@ -48,7 +48,8 @@ def test(name):
         tests[name] = fn
     return x
 
-def run_tests():
+# `run_tests` is already defined by the NixOS test driver
+def nb_run_tests():
     enabled = enabled_tests.copy()
     to_run = []
     for test in tests: