code: def test_delegate_to_runtime_error(self):
      with pytest.raises(RuntimeError):
          DatastoreHook(
              gcp_conn_id="GCP_CONN_ID", delegate_to="delegate_to"
          )
  
imports: from __future__ import annotations
  from unittest import mock
  from unittest.mock import call, patch
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.providers.google.cloud.hooks.datastore import DatastoreHook
label_desc: Use image node_id 1 for calling the TestDatastoreHook obj's underlying member method code with example usage: obj.test_delegate_to_runtime_error() without return types