code: def _get_fwd_labels():
      fwd = read_forward_solution(fname_fwd)
      fwd = convert_forward_solution(
          fwd, force_fixed=True, use_cps=True
      )
      fwd = pick_types_forward(fwd, meg=True, eeg=False)
      labels = [
          read_label(
              data_path / "MEG" / "sample" / "labels" / f"{label}.label"
          )
          for label in label_names
      ]
      return fwd, labels
  
file_path: mne-python/mne/simulation/tests/test_source.py
imports: import numpy
  import pytest
  from numpy.testing import assert_array_almost_equal, assert_array_equal, assert_equal
  from mne import convert_forward_solution, pick_types_forward, read_forward_solution, read_label
  from mne.datasets import testing
  from mne.label import Label
  from mne.simulation import SourceSimulator, simulate_sparse_stc, simulate_stc
label_desc: Use image node_id 1 for calling a global function with example usage: _get_fwd_labels() and returns: fwd,  labels