code: def test_get_cancel_query_id(self, engine_mock):
      query = Query()
      cursor_mock = engine_mock.return_value.__enter__.return_value
      cursor_mock.fetchone.return_value = [123]
      assert (
          PostgresEngineSpec.get_cancel_query_id(cursor_mock, query)
          == 123
      )
  
imports: from textwrap import dedent
  from unittest import mock
  from flask.ctx import AppContext
  from sqlalchemy import column, literal_column
  from sqlalchemy.dialects import postgresql
  from superset.db_engine_specs import load_engine_specs
  from superset.db_engine_specs.postgres import PostgresEngineSpec
  from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
  from superset.models.sql_lab import Query
  from superset.utils.database import get_example_database
  from tests.integration_tests.db_engine_specs.base_tests import TestDbEngineSpec
  from tests.integration_tests.fixtures.certificates import ssl_certificate
  from tests.integration_tests.fixtures.database import default_db_extra
label_desc: Use image node_id 16 for calling the TestPostgresDbEngineSpec obj's underlying member method code with example usage: obj.test_get_cancel_query_id(engine_mock) without return types