code: def test_LaplacianThickness_defaults(change_dir, create_lt):
      lt = create_lt
      base_cmd = "LaplacianThickness functional.nii diffusion_weighted.nii functional_thickness.nii"
      assert lt.cmdline == base_cmd
      lt.inputs.smooth_param = 4.5
      assert lt.cmdline == base_cmd + " 4.5"
      lt.inputs.prior_thickness = 5.9
      assert lt.cmdline == base_cmd + " 4.5 5.9"
  
file_path: nipype/nipype/interfaces/ants/tests/test_segmentation.py
imports: from ..segmentation import LaplacianThickness
  from .test_resampling import change_dir
  import os
  import pytest
label_desc: Use image node_id 3 for calling a global function with example usage: test_LaplacianThickness_defaults(change_dir, create_lt) without return types