nixosTests.hub: migrate to runTest (#400180)

nixos/tests/all-tests.nix

···
   home-assistant = runTest ./home-assistant.nix;
   hostname = handleTest ./hostname.nix { };
   hound = handleTest ./hound.nix { };
-  hub = handleTest ./git/hub.nix { };
+  hub = runTest ./git/hub.nix;
   hydra = runTest ./hydra;
   i3wm = handleTest ./i3wm.nix { };
   icingaweb2 = runTest ./icingaweb2.nix;

nixos/tests/git/hub.nix

···
-import ../make-test-python.nix (
-  { pkgs, ... }:
-  {
-    name = "hub";
-    meta = with pkgs.lib.maintainers; {
-      maintainers = [ nequissimus ];
-    };
+{ pkgs, ... }:
+{
+  name = "hub";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
 
-    nodes.hub =
-      { pkgs, ... }:
-      {
-        environment.systemPackages = [ pkgs.hub ];
-      };
+  nodes.hub =
+    { pkgs, ... }:
+    {
+      environment.systemPackages = [ pkgs.hub ];
+    };
 
-    testScript = ''
-      assert "git version ${pkgs.git.version}\nhub version ${pkgs.hub.version}\n" in hub.succeed("hub version")
-      assert "These GitHub commands are provided by hub" in hub.succeed("hub help")
-    '';
-  }
-)
+  testScript = ''
+    assert "git version ${pkgs.git.version}\nhub version ${pkgs.hub.version}\n" in hub.succeed("hub version")
+    assert "These GitHub commands are provided by hub" in hub.succeed("hub help")
+  '';
+}