class_docstr: Tests for RulesEngine
class_docstr_tok: ["Tests","for","RulesEngine"]
docstr: RulesEngine - _check_valid_output, list
docstr_tok: ["RulesEngine","-","_check_valid_output",",","list"]
code: def test_check_valid_output_list(self):
      """RulesEngine - _check_valid_output, list"""
  
      output = list()
      result = self._rules_engine._check_valid_output(output)
  
      assert_false(result)
  
imports: from datetime import datetime, timedelta
  from mock import Mock, patch, PropertyMock
  from nose.tools import assert_equal, assert_false, assert_true
  from publishers.community.generic import remove_internal_fields
  from streamalert.shared.publisher import AlertPublisher, Register, DefaultPublisher
  import streamalert.rules_engine.rules_engine
  from streamalert.rules_engine.rules_engine import RulesEngine
label_desc: Use image node_id 15 for calling the TestRulesEngine obj's underlying member method code with example usage: obj.test_check_valid_output_list() without return types