code: def test_standard_superset():
      """Test some properties that should hold for superset montages."""
      # new montages, tweaked to end up at the same size as the others
      m_1005 = make_standard_montage("standard_1005", 0.0970)
      m_1020 = make_standard_montage("standard_1020", 0.0991)
      assert len(set(m_1005.ch_names) - set(m_1020.ch_names)) > 0
      # XXX weird that this is not a proper superset...
      assert set(m_1020.ch_names) - set(m_1005.ch_names) == {
          "O10",
          "O9",
      }
      c_1005 = m_1005._get_ch_pos()
      for key, value in m_1020._get_ch_pos().items():
          if key not in ("O10", "O9"):
              assert_allclose(
                  c_1005[key], value, atol=1e-4, err_msg=key
              )
  
file_path: mne-python/mne/channels/tests/test_standard_montage.py
imports: import numpy
  import pytest
  from numpy.testing import assert_allclose, assert_array_almost_equal, assert_raises
  from mne import create_info
  from mne._fiff._digitization import _get_dig_eeg, _get_fid_coords
  from mne._fiff.constants import FIFF
  from mne.channels import compute_native_head_t, make_standard_montage
  from mne.channels.montage import HEAD_SIZE_DEFAULT, get_builtin_montages
  from mne.io import RawArray
  from mne.preprocessing.nirs import beer_lambert_law, optical_density
  from mne.transforms import _angle_between_quats, _get_trans, rot_to_quat
label_desc: Use image node_id 4 for calling a global function with example usage: test_standard_superset() without return types