code: def test_create_single_input_channels():
      channels = run.create_http_input_channels(
          "facebook", CREDENTIALS_FILE
      )
      assert len(channels) == 1
      assert channels[0].name() == "facebook"
  
file_path: rasa/tests/core/test_run.py
imports: import warnings
  from unittest.mock import Mock
  import aiohttp
  import pytest
  from typing import Text
  import rasa.shared.core.domain
  from sanic import Sanic
  from asyncio import AbstractEventLoop
  from pathlib import Path
  from rasa.core import run
  from rasa.core.brokers.sql import SQLEventBroker
  from rasa.core.utils import AvailableEndpoints
label_desc: Use image node_id 2 for calling a global function with example usage: test_create_single_input_channels() without return types