code: def test_rand_smooth_field_adjust_intensityd_pad(self):
      input_param, input_data, expected_val = TESTS_INTENSITY[0]
  
      g = RandSmoothFieldAdjustIntensityd(pad=1, **input_param)
      g.set_random_state(123)
  
      res = g(input_data)
      for key, result in res.items():
          expected = expected_val[key]
          assert_allclose(
              result,
              expected,
              rtol=_rtol,
              atol=1e-1,
              type_test="tensor",
          )
  
file_path: MONAI/tests/test_smooth_field.py
imports: from __future__ import annotations
  import unittest
  from itertools import product
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks.utils import meshgrid_xy
  from monai.transforms import RandSmoothDeformd, RandSmoothFieldAdjustContrastd, RandSmoothFieldAdjustIntensityd
  from tests.utils import TEST_NDARRAYS, assert_allclose, is_tf32_env
label_desc: Use image node_id 4 for calling the TestSmoothField obj's underlying member method code with example usage: obj.test_rand_smooth_field_adjust_intensityd_pad() without return types