diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index dc0e054158ba..1b97ca80a798 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1265,7 +1265,7 @@ in
   scion-freestanding-deployment = handleTest ./scion/freestanding-deployment { };
   scrutiny = runTest ./scrutiny.nix;
   scx = runTest ./scx/default.nix;
-  sddm = handleTest ./sddm.nix { };
+  sddm = import ./sddm.nix { inherit runTest; };
   sdl3 = runTest ./sdl3.nix;
   seafile = runTest ./seafile.nix;
   searx = runTest ./searx.nix;
diff --git a/nixos/tests/sddm.nix b/nixos/tests/sddm.nix
index aaf271dab5b8..ca3525712d33 100644
--- a/nixos/tests/sddm.nix
+++ b/nixos/tests/sddm.nix
@@ -1,77 +1,62 @@
+{ runTest }:
 {
-  system ? builtins.currentSystem,
-  config ? { },
-  pkgs ? import ../.. { inherit system config; },
-}:
+  default = runTest {
+    name = "sddm";
 
-with import ../lib/testing-python.nix { inherit system pkgs; };
-
-let
-  inherit (pkgs) lib;
-
-  tests = {
-    default = {
-      name = "sddm";
-
-      nodes.machine =
-        { ... }:
-        {
-          imports = [ ./common/user-account.nix ];
-          services.xserver.enable = true;
-          services.displayManager.sddm.enable = true;
-          services.displayManager.defaultSession = "none+icewm";
-          services.xserver.windowManager.icewm.enable = true;
-        };
-
-      enableOCR = true;
-
-      testScript =
-        { nodes, ... }:
-        let
-          user = nodes.machine.users.users.alice;
-        in
-        ''
-          start_all()
-          machine.wait_for_text("(?i)select your user")
-          machine.screenshot("sddm")
-          machine.send_chars("${user.password}\n")
-          machine.wait_for_file("/tmp/xauth_*")
-          machine.succeed("xauth merge /tmp/xauth_*")
-          machine.wait_for_window("^IceWM ")
-        '';
+    nodes.machine = {
+      imports = [ ./common/user-account.nix ];
+      services.xserver.enable = true;
+      services.displayManager.sddm.enable = true;
+      services.displayManager.defaultSession = "none+icewm";
+      services.xserver.windowManager.icewm.enable = true;
     };
 
-    autoLogin = {
+    enableOCR = true;
+
+    testScript =
+      { nodes, ... }:
+      let
+        user = nodes.machine.users.users.alice;
+      in
+      ''
+        start_all()
+        machine.wait_for_text("(?i)select your user")
+        machine.screenshot("sddm")
+        machine.send_chars("${user.password}\n")
+        machine.wait_for_file("/tmp/xauth_*")
+        machine.succeed("xauth merge /tmp/xauth_*")
+        machine.wait_for_window("^IceWM ")
+      '';
+  };
+
+  autoLogin = runTest (
+    { lib, ... }:
+    {
       name = "sddm-autologin";
-      meta = with pkgs.lib.maintainers; {
+      meta = with lib.maintainers; {
         maintainers = [ ttuegel ];
       };
 
-      nodes.machine =
-        { ... }:
-        {
-          imports = [ ./common/user-account.nix ];
-          services.xserver.enable = true;
-          services.displayManager = {
-            sddm.enable = true;
-            autoLogin = {
-              enable = true;
-              user = "alice";
-            };
+      nodes.machine = {
+        imports = [ ./common/user-account.nix ];
+        services.xserver.enable = true;
+        services.displayManager = {
+          sddm.enable = true;
+          autoLogin = {
+            enable = true;
+            user = "alice";
           };
-          services.displayManager.defaultSession = "none+icewm";
-          services.xserver.windowManager.icewm.enable = true;
         };
+        services.displayManager.defaultSession = "none+icewm";
+        services.xserver.windowManager.icewm.enable = true;
+      };
 
-      testScript =
-        { nodes, ... }:
-        ''
-          start_all()
-          machine.wait_for_file("/tmp/xauth_*")
-          machine.succeed("xauth merge /tmp/xauth_*")
-          machine.wait_for_window("^IceWM ")
-        '';
-    };
-  };
-in
-lib.mapAttrs (lib.const makeTest) tests
+      testScript = ''
+        start_all()
+        machine.wait_for_file("/tmp/xauth_*")
+        machine.succeed("xauth merge /tmp/xauth_*")
+        machine.wait_for_window("^IceWM ")
+      '';
+    }
+  );
+}