code: def test_eegbci_download(tmp_path, fake_retrieve):
      """Test Sleep Physionet URL handling."""
      for subj in range(4):
          fnames = eegbci.load_data(
              subj + 1, runs=[3], path=tmp_path, update_path=False
          )
          assert len(fnames) == 1, subj
      assert fake_retrieve.call_count == 4
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_eegbci_download(tmp_path, fake_retrieve) without return types