docstr: Tests failed docker login return false
docstr_tok: ["Tests","failed","docker","login","return","false"]
code: def test_docker_login_failed(self, mock_run):
      """
      Tests failed docker login return false
      """
      mock_session, stub = mock_boto()
      stub.activate()
      with patch("boto3.Session", return_value=mock_session):
          mock_process = MagicMock(
              auto_spec=subprocess.Popen, name="mock_process"
          )
  
          # Simulate failed login
          mock_process.returncode = 1
          mock_run.return_value = mock_process
  
          with self.assertRaises(RuntimeError):
              login_dockerhub(
                  SECRET_NAME,
                  SECRET_ENDPOINT_URL,
                  SECRET_ENDPOINT_REGION,
              )
      stub.deactivate()
  
file_path: mxnet/ci/test_docker_login.py
imports: import os
  import subprocess
  import unittest
  from unittest.mock import create_autospec, patch, call, MagicMock
  import boto3
  from boto3 import client
  from botocore.stub import Stubber
  from docker_login import login_dockerhub, logout_dockerhub, main, DOCKERHUB_RETRY_SECONDS, DOCKERHUB_LOGIN_NUM_RETRIES
label_desc: Use image node_id 4 for calling the TestDockerLogin obj's underlying member method code with example usage: obj.test_docker_login_failed(mock_run) without return types