code: def test_separable(self, batch_size, kernel_size, device, dtype):
      inpt = torch.randn(
          batch_size, 3, 10, 10, device=device, dtype=dtype
      )
      out1 = box_blur(inpt, kernel_size, separable=False)
      out2 = box_blur(inpt, kernel_size, separable=True)
      self.assert_close(out1, out2)
  
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 2 for calling the TestBoxBlur obj's underlying member method code with example usage: obj.test_separable(batch_size, kernel_size, device, dtype) without return types