code: def test_create_or_update_secret_v2_cas(self, mock_hvac):
      mock_client = mock.MagicMock()
      mock_hvac.Client.return_value = mock_client
  
      vault_client = _VaultClient(
          auth_type="radius",
          radius_host="radhost",
          radius_port=8110,
          radius_secret="pass",
          url="http://localhost:8180",
      )
      vault_client.create_or_update_secret(
          secret_path="path", secret={"key": "value"}, cas=10
      )
      mock_client.secrets.kv.v2.create_or_update_secret.assert_called_once_with(
          mount_point="secret",
          secret_path="path",
          secret={"key": "value"},
          cas=10,
      )
  
imports: from __future__ import annotations
  from unittest import mock
  from unittest.mock import mock_open, patch
  import pytest
  from hvac.exceptions import InvalidPath, VaultError
  from requests import Session
  from requests.adapters import HTTPAdapter
  from urllib3.util import Retry
  from airflow.providers.hashicorp._internal_client.vault_client import _VaultClient
label_desc: Use image node_id 55 for calling the TestVaultClient obj's underlying member method code with example usage: obj.test_create_or_update_secret_v2_cas(mock_hvac) without return types