MB-7629 Use other reduction values for view unit tests

The new values were produced by CouchDB (Erlang), therefore
it's better to check that we can decode these values and
encode them back to the exact same byte sequence that CouchDB
produced.

Change-Id: I796aceeb603eca03ed9b1756fe5c9fbdd125e709
Reviewed-on: http://review.couchbase.org/25418
Reviewed-by: Fulu Li <fulu@couchbase.com>
Tested-by: Fulu Li <fulu@couchbase.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>