code: def test_check_mesh():
      mesh = surface.check_mesh("fsaverage5")
      assert mesh is surface.check_mesh(mesh)
      with pytest.raises(ValueError):
          surface.check_mesh("fsaverage2")
      mesh.pop("pial_left")
      with pytest.raises(ValueError):
          surface.check_mesh(mesh)
      with pytest.raises(TypeError):
          surface.check_mesh(surface.load_surf_mesh(mesh["pial_right"]))
  
imports: import os
  import tempfile
  import warnings
  import nibabel
  import numpy
  import pytest
  from nibabel import gifti
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  from scipy.spatial import Delaunay
  from scipy.stats import pearsonr
  from nilearn import datasets, image
  from nilearn._utils import data_gen
  from nilearn.image import resampling
  from nilearn.surface import Mesh, Surface, load_surf_data, load_surf_mesh, surface
  from nilearn.surface.surface import _gifti_img_to_mesh, _load_surf_files_gifti_gzip
  from nilearn.surface.tests._testing import flat_mesh, generate_surf, z_const_img
label_desc: Use image node_id 32 for calling a global function with example usage: test_check_mesh() without return types