code: def test_get_conn_missing_remote_host(self):
      with pytest.raises(AirflowException):
          WinRMHook().get_conn()
  
file_path: airflow/tests/providers/microsoft/winrm/hooks/test_winrm.py
imports: from __future__ import annotations
  from unittest.mock import patch
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.microsoft.winrm.hooks.winrm import WinRMHook
label_desc: Use image node_id 2 for calling the TestWinRMHook obj's underlying member method code with example usage: obj.test_get_conn_missing_remote_host() without return types