The Debian autopkgtest would fail with new PAM introduced in Debian bullseye.
Add a little loop to wait a little longer for the changes to propagate.
Signed-off-by: Ondřej Surý <ondrej@sury.org>
Ditch the old non-working one and add 3 new ones to check:
- that zebra can talk to the kernel at least somewhat
- that SNMP and RPKI modules can be loaded
- that frr-reload.py works
This should catch most build environment SNAFUs.
Signed-off-by: David Lamparter <equinox@diac24.net>