session_spec.rb in mongo-2.7.1

- old
+ new

@@ -1,8 +1,8 @@
 require 'spec_helper'
 
 describe Mongo::Session do
-  min_server_version '3.6'
+  min_server_fcv '3.6'
   require_topology :replica_set, :sharded
 
   let(:session) do
     authorized_client.start_session(options)
   end