code: def test_serve():
      model = TextClassifier(2, backbone=TEST_BACKBONE)
      model.eval()
      model.serve()
  
imports: from typing import Any
  from unittest.mock import patch
  import flash
  import pytest
  import torch
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _TOPIC_SERVE_AVAILABLE, _TOPIC_TEXT_AVAILABLE, _TORCH_ORT_AVAILABLE
  from flash.text import TextClassifier
  from flash.text.ort_callback import ORTCallback
  from torch import Tensor
  from tests.helpers.boring_model import BoringModel
  from tests.helpers.task_tester import StaticDataset, TaskTester
label_desc: Use image node_id 1 for calling a global function with example usage: test_serve() without return types