class_docstr: Test class to test ThreatStream functionalities
class_docstr_tok: ["Test","class","to","test","ThreatStream","functionalities"]
docstr: Setup TestThreatStream
docstr_tok: ["Setup","TestThreatStream"]
code: def setup(self):
      """Setup TestThreatStream"""
      # pylint: disable=attribute-defined-outside-init
      context = get_mock_lambda_context(
          "prefix_threat_intel_downloader", 100000
      )
      self.threatstream = ThreatStream(
          context.invoked_function_arn,
          context.get_remaining_time_in_millis,
      )
  
imports: from datetime import datetime
  import os
  import boto3
  from botocore.exceptions import ClientError
  from mock import Mock, patch
  from moto import mock_ssm
  from nose.tools import assert_equal, raises
  from streamalert.shared.config import load_config
  from streamalert.threat_intel_downloader.exceptions import ThreatStreamCredsError, ThreatStreamLambdaInvokeError, ThreatStreamRequestsError
  from streamalert.threat_intel_downloader.main import ThreatStream
  from tests.unit.streamalert.apps.test_helpers import MockLambdaClient
  from tests.unit.streamalert.shared.test_config import get_mock_lambda_context
  from tests.unit.streamalert.threat_intel_downloader.test_helpers import put_mock_params
label_desc: Use image node_id 1 for calling the TestThreatStream obj's underlying member method code with example usage: obj.setup() without return types