code: def test_get_allowed_paths(self):
      allowed_file = tempfile.NamedTemporaryFile(mode="w", delete=False)
      allowed_file.write(media_data.BASE64_IMAGE)
      allowed_file.flush()
  
      io = gr.Interface(lambda s: s.name, gr.File(), gr.File())
      app, _, _ = io.launch(prevent_thread_lock=True)
      client = TestClient(app)
      file_response = client.get(f"/file={allowed_file.name}")
      assert file_response.status_code == 403
      io.close()
  
      io = gr.Interface(lambda s: s.name, gr.File(), gr.File())
      app, _, _ = io.launch(
          prevent_thread_lock=True,
          allowed_paths=[os.path.dirname(allowed_file.name)],
      )
      client = TestClient(app)
      file_response = client.get(f"/file={allowed_file.name}")
      assert file_response.status_code == 200
      assert len(file_response.text) == len(media_data.BASE64_IMAGE)
      io.close()
  
      io = gr.Interface(lambda s: s.name, gr.File(), gr.File())
      app, _, _ = io.launch(
          prevent_thread_lock=True,
          allowed_paths=[os.path.abspath(allowed_file.name)],
      )
      client = TestClient(app)
      file_response = client.get(f"/file={allowed_file.name}")
      assert file_response.status_code == 200
      assert len(file_response.text) == len(media_data.BASE64_IMAGE)
      io.close()
  
imports: import functools
  import os
  import tempfile
  from contextlib import asynccontextmanager, closing
  from unittest import mock
  import gradio_client
  import numpy
  import pandas
  import pytest
  import starlette.routing
  from fastapi import FastAPI
  from fastapi.testclient import TestClient
  from gradio_client import media_data
  import gradio
  from gradio import Blocks, Button, Interface, Number, Textbox, close_all, routes, wasm_utils
  from gradio.route_utils import FnIndexInferError
label_desc: Use image node_id 14 for calling the TestRoutes obj's underlying member method code with example usage: obj.test_get_allowed_paths() without return types