CBQE-2367: rename test references from upr to dcp

Change-Id: I28655bef526acc0765c4a1cf69dbbf64a299048d
Reviewed-on: http://review.couchbase.org/40298
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Tommie McAfee <tommie@couchbase.com>