code: def test_context_manager(self):
      with corenlp.CoreNLPClient(
          annotators="tokenize,ssplit", endpoint="http://localhost:9001"
      ) as context_client:
          ann = context_client.annotate(TEXT)
          assert corenlp.to_text(ann.sentence[0]) == TEXT[:-1]
  
imports: from http.server import BaseHTTPRequestHandler, HTTPServer
  import multiprocessing
  import pytest
  import requests
  import stanza.server
  import stanza.server.client
  import shlex
  import subprocess
  import time
  from stanza.models.constituency import tree_reader
  from stanza.tests import *
label_desc: Use image node_id 3 for calling the TestCoreNLPClient obj's underlying member method code with example usage: obj.test_context_manager() without return types