code: def test_check_fname_suffixes(suffix, tmp_path):
      """Test checking for valid filename suffixes."""
      new_fname = tmp_path / fname_raw.name.replace("_raw.fif", suffix)
      raw = mne.io.read_raw_fif(fname_raw).crop(0, 0.1)
      raw.save(new_fname)
      mne.io.read_raw_fif(new_fname)
  
imports: import os
  import sys
  from pathlib import Path
  import numpy
  import pytest
  import mne
  from mne import pick_channels_cov, read_vectorview_selection
  from mne._fiff.pick import _picks_to_idx
  from mne.datasets import testing
  from mne.utils import Bunch, _check_ch_locs, _check_fname, _check_info_inv, _check_option, _check_range, _check_sphere, _check_subject, _on_missing, _path_like, _safe_input, _suggest, _validate_type, catch_logging, check_fname, check_random_state, check_version
label_desc: Use image node_id 2 for calling a global function with example usage: test_check_fname_suffixes(suffix, tmp_path) without return types