code: def test_sobel_kernels(self, arguments, expected_kernels):
      sobel = SobelGradients(**arguments)
      self.assertTrue(
          sobel.kernel_diff.dtype == expected_kernels[0].dtype
      )
      self.assertTrue(
          sobel.kernel_smooth.dtype == expected_kernels[0].dtype
      )
      assert_allclose(sobel.kernel_diff, expected_kernels[0])
      assert_allclose(sobel.kernel_smooth, expected_kernels[1])
  
file_path: MONAI/tests/test_sobel_gradient.py
imports: from __future__ import annotations
  import unittest
  import torch
  from parameterized import parameterized
  from monai.transforms import SobelGradients
  from tests.utils import assert_allclose
label_desc: Use image node_id 2 for calling the SobelGradientTests obj's underlying member method code with example usage: obj.test_sobel_kernels(arguments, expected_kernels) without return types