code: def test_fetcher_multi_get_uri_length() -> None:
      test_string = r"""multi://{
  "test1": "test2"
  }
  xp2"""
      f = MultipleFetcher([])
      eof = f.get_uri_length(test_string)
      assert test_string[eof:] == "\nxp2"
  
file_path: hiplot/hiplot/test_fetchers.py
imports: from pathlib import Path
  import json
  import tempfile
  import shutil
  import pytest
  from .None import experiment
  from .fetchers import load_demo, load_csv, load_json, MultipleFetcher, get_fetchers, load_xps_with_fetchers
  from .fetchers_demo import README_DEMOS
label_desc: Use image node_id 6 for calling a global function with example usage: test_fetcher_multi_get_uri_length() without return types