class_docstr: Test the TestEvent class
class_docstr_tok: ["Test","the","TestEvent","class"]
docstr: StreamAlert CLI - TestEvent Apply Service Template, S3
docstr_tok: ["StreamAlert","CLI","-","TestEvent","Apply","Service","Template",",","S3"]
code: def test_apply_service_template_s3(self):
      """StreamAlert CLI - TestEvent Apply Service Template, S3"""
      s3_event = TestEvent(basic_test_event_data(service="s3"))
      result = s3_event._apply_service_template("")
      assert_equal("s3" in result, True)
  
imports: from mock import patch
  from nose.tools import assert_equal, nottest
  from streamalert_cli.test.event import TestEvent
  from tests.unit.streamalert_cli.test.helpers import basic_test_event_data
label_desc: Use image node_id 22 for calling the TestTestEvent obj's underlying member method code with example usage: obj.test_apply_service_template_s3() without return types