code: def test_farid_v_mask():
      """Vertical Farid on a masked array should be zero."""
      result = filters.farid_v(
          np.random.uniform(size=(10, 10)),
          mask=np.zeros((10, 10), dtype=bool),
      )
      assert_allclose(result, 0)
  
imports: import numpy
  import pytest
  from numpy.testing import assert_, assert_allclose, assert_array_almost_equal
  from skimage import data, filters
  from skimage._shared.utils import _supported_float_type
  from skimage.filters.edges import _mask_filter_result
label_desc: Use image node_id 52 for calling a global function with example usage: test_farid_v_mask() without return types