code: def test_orc_with_backend():
      pytest.importorskip("requests")
      d = dd.read_orc(url)
      assert set(d.columns) == {
          "time",
          "date",
      }  # order is not guaranteed
      assert len(d) == 70000
  
file_path: dask/dask/dataframe/io/tests/test_orc.py
imports: from __future__ import annotations
  import glob
  import os
  import shutil
  import tempfile
  import numpy
  import pandas
  import pytest
  import dask.dataframe
  from dask.dataframe.optimize import optimize_dataframe_getitem
  from dask.dataframe.utils import assert_eq
label_desc: Use image node_id 1 for calling a global function with example usage: test_orc_with_backend() without return types