nixos/tests/initrd-luks-empty-passphrase: Explicitly set 'boot.initrd.systemd.enable'

nixos/tests/all-tests.nix

@@ -769,7 +769,10 @@ in
   };
   influxdb = runTest ./influxdb.nix;
   influxdb2 = runTest ./influxdb2.nix;
-  initrd-luks-empty-passphrase = runTest ./initrd-luks-empty-passphrase.nix;
+  initrd-luks-empty-passphrase = runTest {
+    imports = [ ./initrd-luks-empty-passphrase.nix ];
+    _module.args.systemdStage1 = false;
+  };
   initrd-network-openvpn = handleTestOn [ "x86_64-linux" "i686-linux" ] ./initrd-network-openvpn { };
   initrd-network-ssh = handleTest ./initrd-network-ssh { };
   initrd-secrets = handleTest ./initrd-secrets.nix { };

nixos/tests/initrd-luks-empty-passphrase.nix

@@ -14,8 +14,6 @@ in
 {
   name = "initrd-luks-empty-passphrase";
 
-  _module.args.systemdStage1 = lib.mkDefault false;
-
   nodes.machine =
     { pkgs, ... }:
     {
@@ -31,9 +29,9 @@ in
       };
 
       boot.loader.systemd-boot.enable = true;
-      boot.initrd.systemd = lib.mkIf systemdStage1 {
-        enable = true;
-        emergencyAccess = true;
+      boot.initrd.systemd = {
+        enable = systemdStage1;
+        emergencyAccess = lib.mkIf systemdStage1 true;
       };
       environment.systemPackages = with pkgs; [ cryptsetup ];