Add tests for LDAP ticket/policy name misuse

(cherry picked from commit e8df0458673071e56346730fa843c83aca88631f)

https://github.com/krb5/krb5/commit/1d7c0f44dcfe4a87f82e53dd604f13c72f9f4aad
Author: Greg Hudson <ghudson@mit.edu>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 1d7c0f44dcfe4a87f82e53dd604f13c72f9f4aad
Branch: krb5-1.12
 src/tests/t_kdb.py |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)