tests/krb5: Allow PADATA-ENCRYPTED-CHALLENGE to be missing for skew errors
A skew error means the client just tried using PADATA-ENC-TIMESTAMP or
PADATA-ENCRYPTED-CHALLENGE, so it might not be necessary to announce
them in that case.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Dec 7 08:32:42 UTC 2021 on sn-devel-184