code: def mock_client():
      """Mock client.
  
      Considerations when appropriate:
  
          * utilize botocore.stub.Stubber
          * separate runtime client from client
      """
      client_mock = Mock()
      client_mock._client_config.user_agent = "Boto3/1.14.24 Python/3.8.5 Linux/5.4.0-42-generic Botocore/1.17.24 Resource"
      client_mock.describe_model.return_value = {
          "PrimaryContainer": {},
          "Containers": {},
      }
      return client_mock
  
imports: from __future__ import absolute_import
  from unittest.mock import Mock, PropertyMock
  import pytest
  from sagemaker.workflow.pipeline_context import PipelineSession
label_desc: Use image node_id 1 for calling a global function with example usage: mock_client() and returns: client_mock