docstr: Test that no base implementation for ``BaseSqlToSlackOperator.execute()``.
docstr_tok: ["Test","that","no","base","implementation","for","``","BaseSqlToSlackOperator.execute","(",")","``","."]
code: def test_execute_not_implemented(self):
      """Test that no base implementation for ``BaseSqlToSlackOperator.execute()``."""
      op = BaseSqlToSlackOperator(
          task_id="test_base_not_implements", **self.default_op_kwargs
      )
      with pytest.raises(NotImplementedError):
          op.execute(mock.MagicMock())
  
file_path: airflow/tests/providers/slack/transfers/test_base_sql_to_slack.py
imports: from __future__ import annotations
  from unittest import mock
  import pandas
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.slack.transfers.base_sql_to_slack import BaseSqlToSlackOperator
label_desc: Use image node_id 2 for calling the TestBaseSqlToSlackOperator obj's underlying member method code with example usage: obj.test_execute_not_implemented() without return types