code: def test_automatic_vmrk_sfreq_recovery():
      """Test proper sfreq inference by checking the onsets."""
      assert_array_equal(
          read_annotations(vmrk_path, sfreq="auto"),
          read_annotations(vmrk_path, sfreq=1000.0),
      )
  
imports: import datetime
  import re
  import shutil
  from pathlib import Path
  import numpy
  import pytest
  from numpy.testing import assert_allclose, assert_array_equal
  from mne import concatenate_raws, pick_types, read_annotations
  from mne._fiff.constants import FIFF
  from mne.annotations import events_from_annotations
  from mne.datasets import testing
  from mne.io import read_raw_brainvision, read_raw_fif
  from mne.io.tests.test_raw import _test_raw_reader
  from mne.utils import _stamp_to_dt, object_diff
label_desc: Use image node_id 19 for calling a global function with example usage: test_automatic_vmrk_sfreq_recovery() without return types