code: def test_shuffle(self, input_param, input_data, expected_val):
      g = RandCoarseShuffled(**input_param)
      g.set_random_state(seed=12)
      result = g(input_data)
      np.testing.assert_allclose(
          result["img"], expected_val, rtol=1e-4, atol=1e-4
      )
  
file_path: MONAI/tests/test_rand_coarse_shuffled.py
imports: from __future__ import annotations
  import unittest
  import numpy
  from parameterized import parameterized
  from monai.transforms import RandCoarseShuffled
label_desc: Use image node_id 1 for calling the TestRandCoarseShuffled obj's underlying member method code with example usage: obj.test_shuffle(input_param, input_data, expected_val) without return types