fix filtered database listing tests when they are run against a fresh deployment (e.g. in docker) (#1800)
fix filtered database listing tests when they are run against a fresh deployment (e.g. in docker) (#1800)

Co-authored-by: Oleg Pudeyev <20b70f0af00562e63758b9ee42012ecc96c58590@bsdpower.com>
mongodb/mongo-ruby-driver,mongodb/mongo-ruby-driver,mongodb/mongo-ruby-driver