CBQE-1893: add test for moxi debug symbols

Change-Id: Ib485fa34d08345f61de74e1fdbfe175d55f2699c
Reviewed-on: http://review.couchbase.org/33988
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>