code: def test_single_sentence():
      response = semgrex.process_doc(
          ONE_SENTENCE_DOC, "{}=source >obj=zzz {}=target"
      )
      check_response(response)
  
file_path: stanza/stanza/tests/server/test_semgrex.py
imports: import pytest
  import stanza
  import stanza.server.semgrex
  from stanza.protobuf import SemgrexRequest
  from stanza.models.common.doc import Document
  from stanza.tests import *
label_desc: Use image node_id 3 for calling a global function with example usage: test_single_sentence() without return types