anchor.diff:              "systemd-run --pty --property=Type=oneshot --property=DynamicUser=yes --property=User=iamatest whoami"
           )
   
  +    with subtest("regression test for https://bugs.freedesktop.org/show_bug.cgi?id=77507"):
  +        retcode, output = machine.execute("systemctl status testservice1.service")
  +        assert retcode in [0, 3]  # https://bugs.freedesktop.org/show_bug.cgi?id=77507
  +
       # Regression test for https://github.com/NixOS/nixpkgs/issues/35268
       with subtest("file system with x-initrd.mount is not unmounted"):
           machine.succeed("mountpoint -q /test-x-initrd-mount")
  
positive.code:         machine.wait_for_unit("multi-user.target")
          assert "fq_codel" in machine.succeed("sysctl net.core.default_qdisc")
  
      # Test cgroup accounting is enabled
      with subtest("systemd cgroup accounting is enabled"):
          machine.wait_for_unit("multi-user.target")
          assert "yes" in machine.succeed(
              "systemctl show testservice1.service -p IOAccounting"
          )
  
          retcode, output = machine.execute("systemctl status testservice1.service")
          assert retcode in [0, 3]  # https://bugs.freedesktop.org/show_bug.cgi?id=77507
          assert "CPU:" in output
  
      # Test systemd is configured to manage a watchdog
      with subtest("systemd manages hardware watchdog"):
          machine.wait_for_unit("multi-user.target")
  
negative.code:         machine.succeed("systemctl status systemd-cryptsetup@luks1.service")
          machine.succeed("mkdir -p /tmp/luks1")
          machine.succeed("mount /dev/mapper/luks1 /tmp/luks1")
  
      # Do some IP traffic
      output_ping = machine.succeed(
          "systemd-run --wait -- /run/wrappers/bin/ping -c 1 127.0.0.1 2>&1"
      )
  
      with subtest("systemd reports accounting data on system.slice"):
          output = machine.succeed("systemctl status system.slice")
          assert "CPU:" in output
          assert "Memory:" in output
  
          assert "IP:" in output
          assert "0B in, 0B out" not in output
  
          assert "IO:" in output
          assert "0B read, 0B written" not in output
  
      with subtest("systemd per-unit accounting works"):
          assert "IP traffic received: 84B" in output_ping
          assert "IP traffic sent: 84B" in output_ping
    '';
  })
  