code: def test_smoke(self, kernel_size, device, dtype):
      inpt = torch.rand(1, 1, 10, 10, device=device, dtype=dtype)
  
      bb = BoxBlur(kernel_size, "reflect")
      actual = bb(inpt)
      assert actual.shape == (1, 1, 10, 10)
  
file_path: kornia/test/filters/test_blur.py
imports: import pytest
  import torch
  from kornia.filters import BoxBlur, box_blur
  from kornia.testing import BaseTester, tensor_to_gradcheck_var
label_desc: Use image node_id 1 for calling the TestBoxBlur obj's underlying member method code with example usage: obj.test_smoke(kernel_size, device, dtype) without return types