class_docstr: Test class for AthenaPartitioner when output data in Parquet format
docstr: AthenaPartitioner - Run, No Messages
docstr_tok: ["AthenaPartitioner","-","Run",",","No","Messages"]
code: def test_run_no_messages(self, log_mock):
      """AthenaPartitioner - Run, No Messages"""
      self._partitioner.run(self._create_test_message(0))
      log_mock.assert_called_with("No partitions to add")
  
imports: import json
  import os
  from mock import Mock, patch, call
  from nose.tools import assert_equal, assert_true
  from streamalert.athena_partitioner.main import AthenaPartitioner
  from streamalert.shared.config import load_config
  from tests.unit.helpers.aws_mocks import MockAthenaClient
label_desc: Use image node_id 11 for calling the TestAthenaPartitioner obj's underlying member method code with example usage: obj.test_run_no_messages(log_mock) without return types