code: def setUpClass(cls):
      cls.kwargs = {
          "host": "localhost",
          "port": 36806,
          "user": "USERNAME",
          "password": "P455W0rd",
          "database": "tsdb",
      }
      cls.handler = TimeScaleDBHandler(
          "test_timescaledb_handler", connection_data=cls.kwargs
      )
  
file_path: mindsdb/mindsdb/integrations/handlers/timescaledb_handler/tests/test_timescaledb_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.timescaledb_handler.timescaledb_handler import TimeScaleDBHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the TimeScaleDBHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types