code: def test_value(self, arguments, image, expected_data):
      result = MaskIntensityd(**arguments)(image)
      np.testing.assert_allclose(result["img"], expected_data)
  
file_path: MONAI/tests/test_mask_intensityd.py
imports: from __future__ import annotations
  import unittest
  import numpy
  from parameterized import parameterized
  from monai.transforms import MaskIntensityd
label_desc: Use image node_id 1 for calling the TestMaskIntensityd obj's underlying member method code with example usage: obj.test_value(arguments, image, expected_data) without return types