code: def test_init_required_named(sagemaker_session):
      ntm = NTM(sagemaker_session=sagemaker_session, **ALL_REQ_ARGS)
  
      assert ntm.role == COMMON_TRAIN_ARGS["role"]
      assert ntm.instance_count == INSTANCE_COUNT
      assert ntm.instance_type == COMMON_TRAIN_ARGS["instance_type"]
      assert ntm.num_topics == ALL_REQ_ARGS["num_topics"]
  
imports: from __future__ import absolute_import
  import pytest
  from mock import Mock, patch
  from sagemaker import image_uris
  from sagemaker.amazon.ntm import NTM, NTMPredictor
  from sagemaker.amazon.amazon_estimator import RecordSet
  from sagemaker.session_settings import SessionSettings
label_desc: Use image node_id 3 for calling a global function with example usage: test_init_required_named(sagemaker_session) without return types