class_docstr: Classifier tests
code: def _mock_parser(cls, parse_result):
      return Mock(
          return_value=Mock(parse=Mock(side_effect=parse_result))
      )
  
imports: from collections import OrderedDict
  import os
  from mock import Mock, patch
  from nose.tools import assert_equal, assert_raises
  import streamalert.classifier.classifier
  from streamalert.classifier.classifier import Classifier
  from streamalert.shared.exceptions import ConfigError
label_desc: Use image node_id 9 for calling the TestClassifier obj's underlying member method code with example usage: obj._mock_parser(cls, parse_result) and returns: Mock