code: def test_0_connect(self):
      self.handler.connect()
  
imports: import unittest
  from mindsdb.integrations.handlers.mendeley_handler.mendeley_handler import MendeleyHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 2 for calling the MendeleyHandlerTest obj's underlying member method code with example usage: obj.test_0_connect() without return types