Pass datastore details when required (again)

This is another set of fixes to integration tests, as the datastore is not
inherited by the parent job when a backup or a replica is created.

See also:
- Ib3e78bb68aaf992177b9d9cd1d89e84fb54830ed
- Ice626b3d3f73e75222b1080afa58232e03459a8e

Also, fix the fake guestagent so that it works with the increased
timing coming from the fixed (now working) tests.

Change-Id: I8d2b5a4627eb9292ba4535696f9565a3c20a0783

trove/tests/scenario/runners/replication_runners.py

@@ -68,6 +68,8 @@ class ReplicationRunner(TestRunner):
             self.instance_info.name + replica_name,
             self.instance_info.dbaas_flavor_href,
             self.instance_info.volume, replica_of=master_id,
+            datastore=self.instance_info.dbaas_datastore,
+            datastore_version=self.instance_info.dbaas_datastore_version,
             nics=self.instance_info.nics,
             replica_count=replica_count)
         replica_id = replica.id