Metacat

Replication integration tests should include:
force replication between two servers - A, B (write, update, delete)
timed replication between two servers - A, B
hub/non-hub replication - A, B, C (three servers)
invalid documents (not sure how they would get in the Metacat system to begin with) - A, B
access control transferred from source to target during initial replication - A, B
access control updates propagated from source to target - A, B
replication failure for insecure target - A, D (fourth server that does not have certificate?)
-all of the above for both data and metadata

Additional test ideas are welcome.