code: def custom_pages_client_with_base_url():
      with make_app_client(
          template_dir=TEST_TEMPLATE_DIRS,
          settings={"base_url": "/prefix/"},
      ) as client:
          yield client
  
file_path: datasette/tests/test_custom_pages.py
imports: import pathlib
  import pytest
  from .fixtures import make_app_client
label_desc: Use image node_id 2 for calling a global function with example usage: custom_pages_client_with_base_url() without return types