docstr: Test most_similar returns handles restrict_vocab correctly.
docstr_tok: ["Test","most_similar","returns","handles","restrict_vocab","correctly","."]
code: def test_most_similar_restrict_vocab(self):
      """Test most_similar returns handles restrict_vocab correctly."""
      expected = set(self.vectors.index_to_key[:5])
      predicted = set(
          result[0]
          for result in self.vectors.most_similar(
              "war", topn=5, restrict_vocab=5
          )
      )
      self.assertEqual(expected, predicted)
  
imports: import functools
  import logging
  import unittest
  import numpy
  from gensim.models.keyedvectors import KeyedVectors, REAL, pseudorandom_weak_vector
  from gensim.test.utils import datapath
  import gensim.models.keyedvectors
label_desc: Use image node_id 12 for calling the TestKeyedVectors obj's underlying member method code with example usage: obj.test_most_similar_restrict_vocab() without return types