class_docstr: PayloadRecord tests
docstr: PayloadRecord - Length, Dict Data
docstr_tok: ["PayloadRecord","-","Length",",","Dict","Data"]
code: def test_len_dict(self):
      """PayloadRecord - Length, Dict Data"""
      assert_equal(len(self._payload_record), 15)
  
imports: from mock import Mock
  from nose.tools import assert_equal
  from streamalert.classifier.payload.payload_base import PayloadRecord
label_desc: Use image node_id 6 for calling the TestPayloadRecord obj's underlying member method code with example usage: obj.test_len_dict() without return types