code: def test_throw_error_on_non_uniform_time_field():
      """Test if an error is thrown when time fields are not uniform."""
      fname = testing_path / "fieldtrip" / "not_uniform_time.mat"
  
      with pytest.raises(
          RuntimeError,
          match="Loading data with non-uniform "
          "times per epoch is not supported",
      ):
          mne.io.read_epochs_fieldtrip(fname, info=None)
  
imports: import copy
  import itertools
  from contextlib import nullcontext
  import numpy
  import pytest
  import mne
  from mne.datasets import testing
  from mne.io import read_raw_fieldtrip
  from mne.io.fieldtrip.tests.helpers import assert_warning_in_record, check_data, check_info_fields, get_data_paths, get_epochs, get_evoked, get_raw_data, get_raw_info, pandas_not_found_warning_msg
  from mne.io.fieldtrip.utils import NOINFO_WARNING, _create_events
  from mne.io.tests.test_raw import _test_raw_reader
  from mne.utils import _check_pandas_installed, _record_warnings
label_desc: Use image node_id 10 for calling a global function with example usage: test_throw_error_on_non_uniform_time_field() without return types