RUBY-1115 Test hangs if server version is 2.6 and topology is replica set
RUBY-1115 Test hangs if server version is 2.6 and topology is replica set

jonhyman/mongo-ruby-driver,mongodb/mongo-ruby-driver,saghm/mongo-ruby-driver,estolfo/mongo-ruby-driver,estolfo/mongo-ruby-driver,kay-kim/mongo-ruby-driver,mongodb/mongo-ruby-driver,mongodb/mongo-ruby-driver,kay-kim/mongo-ruby-driver,jonhyman/mongo-ruby-driver,saghm/mongo-ruby-driver