docstr: Client to run tests on 
docstr_tok: ["Client","to","run","tests","on"]
code: def corenlp_client(self):
      """Client to run tests on"""
      client = corenlp.CoreNLPClient(
          annotators="tokenize,ssplit,pos,lemma,ner,depparse",
          server_id="stanza_main_test_server",
      )
      yield client
      client.stop()
  
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 1 for calling the TestCoreNLPClient obj's underlying member method code with example usage: obj.corenlp_client() without return types