Refactor: simplify test_MB_16197
Refactor: simplify test_MB_16197

Change-Id: Icda95f4144dab0b83e89a248f6dac7f09c810824
Reviewed-on: http://review.couchbase.org/c/kv_engine/+/131255
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Richard de Mellow <3b8534f7ae49c77465cd6f1b512f27ec39f3eddd@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine