Only do the simple test, so that the memory leak issue can be shared with the Facebookers
Only do the simple test, so that the memory leak issue can be shared with the Facebookers

jmikola/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver-prototype,10gen-labs/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,jmikola/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver,jmikola/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver-prototype,10gen-labs/mongo-hhvm-driver-prototype