code: def test_plot_surf_roi_default_arguments(
      engine, symmetric_cmap, avg_method
  ):
      """Regression test for https://github.com/nilearn/nilearn/issues/3941"""
      mesh, roi_map, _ = _generate_data_test_surf_roi()
      plot_surf_roi(
          mesh,
          roi_map=roi_map,
          engine=engine,
          symmetric_cmap=symmetric_cmap,
          darkness=None,  # to avoid deprecation warning
          cmap="RdYlBu_r",
          avg_method=avg_method,
      )
  
imports: import re
  import tempfile
  import unittest.mock
  import matplotlib.pyplot
  import numpy
  import pytest
  from matplotlib.figure import Figure
  from numpy.testing import assert_array_equal
  from nilearn._utils.helpers import is_kaleido_installed, is_plotly_installed
  from nilearn.conftest import _rng
  from nilearn.datasets import fetch_surf_fsaverage
  from nilearn.plotting.displays import PlotlySurfaceFigure
  from nilearn.plotting.surf_plotting import VALID_HEMISPHERES, VALID_VIEWS, _compute_facecolors_matplotlib, _get_ticks_matplotlib, _get_view_plot_surf_matplotlib, _get_view_plot_surf_plotly, plot_img_on_surf, plot_surf, plot_surf_contours, plot_surf_roi, plot_surf_stat_map
  from nilearn.surface import load_surf_data, load_surf_mesh
  from nilearn.surface.tests._testing import generate_surf
label_desc: Use image node_id 45 for calling a global function with example usage: test_plot_surf_roi_default_arguments(engine, symmetric_cmap, avg_method) without return types