nixosTests.n8n: migrate to runTest (#394932)

nixos/tests/all-tests.nix

···
   mysql-autobackup = handleTest ./mysql/mysql-autobackup.nix {};
   mysql-backup = handleTest ./mysql/mysql-backup.nix {};
   mysql-replication = handleTest ./mysql/mysql-replication.nix {};
-  n8n = handleTest ./n8n.nix {};
+  n8n = runTest ./n8n.nix;
   nagios = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./nagios.nix {};
   nar-serve = handleTest ./nar-serve.nix {};
   nat.firewall = handleTest ./nat.nix { withFirewall = true; };

nixos/tests/n8n.nix

···
-import ./make-test-python.nix (
-  { lib, ... }:
-  let
-    port = 5678;
-    webhookUrl = "http://example.com";
-  in
-  {
-    name = "n8n";
-    meta.maintainers = with lib.maintainers; [
-      freezeboy
-      k900
-    ];
+{ lib, ... }:
+let
+  port = 5678;
+  webhookUrl = "http://example.com";
+in
+{
+  name = "n8n";
+  meta.maintainers = with lib.maintainers; [
+    freezeboy
+    k900
+  ];
 
-    nodes.machine =
-      { pkgs, ... }:
-      {
-        services.n8n = {
-          enable = true;
-          webhookUrl = webhookUrl;
-        };
+  nodes.machine =
+    { pkgs, ... }:
+    {
+      services.n8n = {
+        enable = true;
+        webhookUrl = webhookUrl;
       };
+    };
 
-    testScript = ''
-      machine.wait_for_unit("n8n.service")
-      machine.wait_for_console_text("Editor is now accessible via")
-      machine.succeed("curl --fail -vvv http://localhost:${toString port}/")
-      machine.succeed("grep -qF ${webhookUrl} /etc/systemd/system/n8n.service")
-    '';
-  }
-)
+  testScript = ''
+    machine.wait_for_unit("n8n.service")
+    machine.wait_for_console_text("Editor is now accessible via")
+    machine.succeed("curl --fail -vvv http://localhost:${toString port}/")
+    machine.succeed("grep -qF ${webhookUrl} /etc/systemd/system/n8n.service")
+  '';
+}