code: def test_close(self):
      connector._asession = aiohttp.ClientSession(raise_for_status=True)
      assert connector._asession.closed is False
      asyncio.run(connector.close())
      assert connector._asession.closed is True
  
file_path: pyRDF2Vec/tests/test_connectors.py
imports: import asyncio
  import aiohttp
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from pyrdf2vec.connectors import Connector, SPARQLConnector
label_desc: Use image node_id 1 for calling the TestSPARQLConnector obj's underlying member method code with example usage: obj.test_close() without return types