code: def get_salesforce_log_files():
      """Helper function to get a list available log files"""
      return {
          "totalSize": 2,
          "done": True,
          "records": [
              {
                  "attributes": {
                      "type": "EventLogFile",
                      "url": "/services/data/v32.0/sobjects/EventLogFile/0ATD00001bROAQ",
                  },
                  "Id": "0ATD000000001bROAQ",
                  "EventType": "API",
                  "LogFile": "/services/data/v32.0/sobjects/EventLogFile/0ATD00001bROAQ/LogFile",
                  "LogDate": "2014-03-14T00:00:00.000+0000",
                  "LogFileLength": 2692.0,
              },
              {
                  "attributes": {
                      "type": "EventLogFile",
                      "url": "/services/data/v32.0/sobjects/EventLogFile/0ATD000000001SdOAI",
                  },
                  "Id": "0ATD000000001SdOAI",
                  "EventType": "API",
                  "LogFile": "/services/data/v32.0/sobjects/EventLogFile/0ATD00001SdOAI/LogFile",
                  "LogDate": "2014-03-13T00:00:00.000+0000",
                  "LogFileLength": 1345.0,
              },
          ],
      }
  
file_path: streamalert/tests/unit/streamalert/apps/test_helpers.py
imports: import json
  import boto3
  from botocore.exceptions import ClientError, ParamValidationError
label_desc: Use image node_id 6 for calling a global function with example usage: get_salesforce_log_files() and returns: dict