code: def test_nlu():
      payload = {"text": "hey there"}
      headers = {"content-type": "application/json"}
      r = requests.post(
          "http://localhost:5005/model/parse",
          json=payload,
          headers=headers,
      )
      print(r.json())
  
file_path: underthesea/examples/chatbot/baggage_claim/run_tests.py
imports: import os
  import signal
  import subprocess
  from os.path import dirname, join
  from time import sleep
  import requests
  import yaml
  import uuid
label_desc: Use image node_id 1 for calling a global function with example usage: test_nlu() without return types