systemd autopackage test fails: boot-and-services: test_gdm3

[Tim Gardner]

test_gdm3 (__main__.ServicesTest) ... 517 /usr/libexec/gdm-wait-for-drm
ERROR
test_logind (__main__.ServicesTest) ... ok
test_network_manager (__main__.ServicesTest) ... ok
test_no_failed (__main__.ServicesTest)
No failed units ... ok
test_rsyslog (__main__.ServicesTest) ... ok
test_tmp_cleanup (__main__.ServicesTest) ... ok
test_tmp_mount (__main__.ServicesTest) ... ok
test_udev (__main__.ServicesTest) ... ok

======================================================================
ERROR: test_gdm3 (__main__.ServicesTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/autopkgtest.rjFTXM/build.fvy/src/debian/tests/boot-and-services", line 73, in test_gdm3
    self.active_unit('gdm')
  File "/tmp/autopkgtest.rjFTXM/build.fvy/src/debian/tests/boot-and-services", line 183, in active_unit
    out = subprocess.check_output(['systemctl', 'status', unit])
  File "/usr/lib/python3.9/subprocess.py", line 424, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.9/subprocess.py", line 528, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['systemctl', 'status', 'gdm']' returned non-zero exit status 3.

----------------------------------------------------------------------
Ran 23 tests in 7.570s

FAILED (errors=1)
autopkgtest [01:07:34]: test boot-and-services: -----------------------]
autopkgtest [01:07:34]: test boot-and-services: - - - - - - - - - - results - - - - - - - - - -
boot-and-services FAIL non-zero exit status 1