docstr: Tests the extraction of mesh faces.
docstr_tok: ["Tests","the","extraction","of","mesh","faces","."]
code: def test_gather_faces_preset(self, test_inputs, test_outputs):
      """Tests the extraction of mesh faces."""
      self.assert_output_is_correct(
          normals.gather_faces, test_inputs, test_outputs, tile=False
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import parameterized
  import numpy
  from six.moves import range
  import tensorflow
  from tensorflow_graphics.geometry.representation.mesh import normals
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 4 for calling the MeshTest obj's underlying member method code with example usage: obj.test_gather_faces_preset(test_inputs, test_outputs) without return types