docstr: Test most_similar returns expected results.
code: def test_most_similar(self):
      """Test most_similar returns expected results."""
      expected = [
          "canine.n.02",
          "hunting_dog.n.01",
          "carnivore.n.01",
          "placental.n.01",
          "mammal.n.01",
      ]
      predicted = [
          result[0]
          for result in self.vectors.most_similar("dog.n.01", topn=5)
      ]
      self.assertEqual(expected, predicted)
  
imports: import logging
  import os
  import tempfile
  import unittest
  import numpy
  from gensim.models.poincare import PoincareRelations, PoincareModel, PoincareKeyedVectors
  from gensim.test.utils import datapath
label_desc: Use image node_id 2 for calling the TestPoincareKeyedVectors obj's underlying member method code with example usage: obj.test_most_similar() without return types