code: def test_load_fsaverage():
      """Call default function smoke test and assert return."""
      result = load_fsaverage()
      assert isinstance(result, dict)
      assert result["pial"]["left_hemisphere"].n_vertices == 10242
  
imports: import pytest
  from nilearn.experimental.surface import load_fsaverage
label_desc: Use image node_id 1 for calling a global function with example usage: test_load_fsaverage() without return types