CBQE-1338 expand test coverage for MAC functional automation

Include documentkey, more warmup, compaction

Change-Id: If0ff4a2b94de4baa1c7027c33958c0571a27ae28
Reviewed-on: http://review.couchbase.org/26935
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Chisheng Hong <chisheng@couchbase.com>