use smaller db for tests
use smaller db for tests

lukas-zech-software/node-lmdb,da77a/node-lmdb,Venemo/node-lmdb,Venemo/node-lmdb,lukas-zech-software/node-lmdb,da77a/node-lmdb,lukas-zech-software/node-lmdb,Venemo/node-lmdb,da77a/node-lmdb,da77a/node-lmdb,lukas-zech-software/node-lmdb