anchor.diff:      node1.connect()
       node1.wait_for_unit("multi-user.target")
   
  -    # Check the machine with kexec-boot.nix profile boots up
  +    # Check if the machine with kexec-boot.nix profile boots up
       node2.wait_for_unit("multi-user.target")
       node2.shutdown()
   
       # Kexec node1 to the toplevel of node2 via the kexec-boot script
       node1.succeed('touch /run/foo')
  +    node1.fail('hello')
       node1.execute('${nodes.node2.config.system.build.kexecBoot}/kexec-boot', check_return=False)
       node1.succeed('! test -e /run/foo')
  +    node1.succeed('hello')
  +    node1.succeed('[ "$(hostname)" = "node2" ]')
   
       node1.shutdown()
     '';
  
positive.code: # Test whether fast reboots via kexec work.
  
  import ./make-test-python.nix ({ pkgs, lib, ... }: {
    name = "kexec";
    meta = with lib.maintainers; {
  
negative.code: 
      node2 = { modulesPath, ... }: {
        virtualisation.vlans = [ ];
        environment.systemPackages = [ pkgs.hello ];
        imports = [
          "${modulesPath}/installer/kexec/kexec-boot.nix"
          "${modulesPath}/profiles/minimal.nix"
        ];
      };
    };
  
    testScript = { nodes, ... }: ''
      # Test whether reboot via kexec works.
      node1.wait_for_unit("multi-user.target")
      node1.succeed('kexec --load /run/current-system/kernel --initrd /run/current-system/initrd --command-line "$(</proc/cmdline)"')
      node1.execute("systemctl kexec >&2 &", check_return=False)
  