Use IPv4 for NTP test | refs #30014

tests/test_ntp.py

@@ -20,7 +20,7 @@ from envsetup import utils as u  # noqa: E402
 def main():
     # Check that ntpd is synced
     if os.path.isfile('/usr/bin/ntpq'):
-        cmd = 'LANG=C ntpq -pd'
+        cmd = 'LANG=C ntpq -p -d -4'
         expected = 'remote'
         ntpconf = '/etc/ntp.conf'
         ntpconf_expected = r'^(?:server|pool)\s([a-zA-Z0-9\._-]+)(?:\s*iburst)?$'