CBQE-1902: add test create_bucket_when_recovery

Change-Id: If1b86be1fc6845f57ab7609308c48382eeb10b12
Reviewed-on: http://review.couchbase.org/33388
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>