code: def test_farid_h_zeros():
      """Horizontal Farid on an array of all zeros."""
      result = filters.farid_h(
          np.zeros((10, 10)), mask=np.ones((10, 10), dtype=bool)
      )
      assert np.all(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 47 for calling a global function with example usage: test_farid_h_zeros() without return types