code: def test_7_select_query(self):
      query = "SELECT * FROM dt_test WHERE 'id'='a'"
      result = self.handler.native_query(query)
  
file_path: mindsdb/mindsdb/integrations/handlers/tidb_handler/tests/test_tidb_handler.py
imports: import unittest
  import pandas
  from mindsdb.integrations.handlers.tidb_handler.tidb_handler import TiDBHandler
label_desc: Use image node_id 8 for calling the TiDBHandlerTest obj's underlying member method code with example usage: obj.test_7_select_query() without return types