docstr: Test s_one_set segmentation.
docstr_tok: ["Test","s_one_set","segmentation","."]
code: def test_s_one_set(self):
      """Test s_one_set segmentation."""
      actual = segmentation.s_one_set(self.topics)
      expected = [
          [
              (9, array([9, 4, 6])),
              (4, array([9, 4, 6])),
              (6, array([9, 4, 6])),
          ],
          [
              (9, array([9, 10, 7])),
              (10, array([9, 10, 7])),
              (7, array([9, 10, 7])),
          ],
          [
              (5, array([5, 2, 7])),
              (2, array([5, 2, 7])),
              (7, array([5, 2, 7])),
          ],
      ]
      for s_i in range(len(actual)):
          for j in range(len(actual[s_i])):
              self.assertEqual(actual[s_i][j][0], expected[s_i][j][0])
              self.assertTrue(
                  np.allclose(actual[s_i][j][1], expected[s_i][j][1])
              )
  
file_path: gensim/gensim/test/test_segmentation.py
imports: import logging
  import unittest
  import numpy
  from gensim.topic_coherence import segmentation
  from numpy import array
label_desc: Use image node_id 4 for calling the TestSegmentation obj's underlying member method code with example usage: obj.test_s_one_set() without return types