code: def test_6_get_columns(self):
      columns = self.handler.get_columns("LOVER")
  
      query = "DROP Table IF  EXISTS Lover;"
      result = self.handler.query(query)
      assert columns.type is not RESPONSE_TYPE.ERROR
  
file_path: mindsdb/mindsdb/integrations/handlers/materialize_handler/tests/test_materialize_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.materialize_handler.materialize_handler import MaterializeHandler
  from mindsdb.integrations.libs.response import RESPONSE_TYPE
label_desc: Use image node_id 8 for calling the materializeHandlerTest obj's underlying member method code with example usage: obj.test_6_get_columns() without return types