code: def test_root_url_deserialization(self):
      demo = gr.load("spaces/gradio/simple_galleryv4-sse")
      gallery = demo("test")
      assert all("caption" in d for d in gallery)
  
imports: import os
  import tempfile
  import textwrap
  import warnings
  from pathlib import Path
  from unittest.mock import MagicMock, patch
  import pytest
  from fastapi.testclient import TestClient
  from gradio_client import media_data
  from huggingface_hub import HfFolder
  import gradio
  from gradio.context import Context
  from gradio.exceptions import GradioVersionIncompatibleError, InvalidApiNameError
  from gradio.external import TooManyRequestsError, cols_to_rows, get_tabular_examples
label_desc: Use image node_id 4 for calling the TestLoadInterfaceWithExamples obj's underlying member method code with example usage: obj.test_root_url_deserialization() without return types