Unprivileged test user is a normal user

Author: svanderburg

nixproc/test-driver/profiles/unprivileged-user-module.nix

@@ -7,6 +7,7 @@
       description = "Unprivileged user";
       home = "/home/unprivileged";
       createHome = true;
+      isNormalUser = true;
     };
   };
 }