anchor.diff:  
     mkTest = name: machine:
       import ./make-test-python.nix ({ pkgs, ... }: {
  -      inherit name machine;
  +      inherit name;
  +
  +      nodes = { "${name}" = machine; };
  +
         meta = with pkgs.lib.maintainers; {
           maintainers = [ synthetica turion ];
         };
  
positive.code: 
        fonts.fonts = with pkgs; [ dejavu_fonts ];
      };
      vscodium-xorg = { pkgs, ... }: {
        imports = [ ./common/user-account.nix ./common/x11.nix ];
  
        virtualisation.memorySize = 2047;
  
negative.code: let
    tests = {
      wayland = { pkgs, ... }: {
        imports = [ ./common/wayland-cage.nix ];
  
        services.cage.program = ''
  