docstr: Handles stop query when the DB engine spec does not
  have a cancel query method (with invalid client_id).
docstr_tok: ["Handles","stop","query","when","the","DB","engine","spec","does","not","have","a","cancel","query","method","(","with","invalid","client_id",")","."]
code: def test_stop_query_not_found(
      self, mock_superset_db_session, mock_sql_lab_cancel_query
  ):
      """
      Handles stop query when the DB engine spec does not
      have a cancel query method (with invalid client_id).
      """
      form_data = {"client_id": "foo2"}
      query_mock = mock.Mock()
      query_mock.return_value = None
      self.login(username="admin")
      mock_superset_db_session.query().filter_by().one_or_none = (
          query_mock
      )
      mock_sql_lab_cancel_query.return_value = True
      rv = self.client.post(
          "/api/v1/query/stop",
          data=json.dumps(form_data),
          content_type="application/json",
      )
  
      assert rv.status_code == 404
      data = json.loads(rv.data.decode("utf-8"))
      assert data["message"] == "Query with client_id foo2 not found"
  
imports: from datetime import datetime, timedelta
  from unittest import mock
  import json
  import random
  import string
  import pytest
  import prison
  from sqlalchemy.sql import func
  import tests.integration_tests.test_app
  from superset import db, security_manager
  from superset.common.db_query_status import QueryStatus
  from superset.models.core import Database
  from superset.utils.database import get_example_database, get_main_database
  from superset.models.sql_lab import Query
  from tests.integration_tests.base_tests import SupersetTestCase
label_desc: Use image node_id 15 for calling the TestQueryApi obj's underlying member method code with example usage: obj.test_stop_query_not_found(mock_superset_db_session, mock_sql_lab_cancel_query) without return types