Merged Pull Request #405

* pull-request/405:
  Not all servers are this fast
  These are failing randomly as we are hitting the arbiter.. because its missing the replicaSet param :)
  Fix this annoying test
This test actually has been broken forever as it didn't use the

replSet=true option which it was supposed too.. hence throwing the wrong
exception
This field doesn't exist pre 2.4.0