Fix monitoring test under auth

Author: behackett

test/test_monitoring.py

@@ -21,6 +21,7 @@
 from pymongo.command_cursor import CommandCursor
 from pymongo.errors import NotMasterError, OperationFailure
 from test import unittest, IntegrationTest, client_context
+from test.utils import single_client
 
 
 class EventListener(monitoring.Subscriber):
@@ -298,7 +299,10 @@ def test_get_more_failure(self):
  @client_context.require_replica_set
  def test_not_master_error(self):
  address = next(iter(self.client.secondaries))
- client = MongoClient(*address)
+ client = single_client(*address)
+ # Clear authentication command results from the listener.
+ client.admin.command('ismaster')
+ self.listener.results = {}
  error = None
  try:
  client.pymongo_test.test.find_one_and_delete({})