docstr: Tests whether data has been loaded correctly and completely.
code: def test_data_counts(self):
      """Tests whether data has been loaded correctly and completely."""
      model = PoincareModel(self.data)
      self.assertEqual(len(model.all_relations), 5)
      self.assertEqual(
          len(
              model.node_relations[model.kv.get_index("kangaroo.n.01")]
          ),
          3,
      )
      self.assertEqual(len(model.kv), 7)
      self.assertTrue("mammal.n.01" not in model.node_relations)
  
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 3 for calling the TestPoincareModel obj's underlying member method code with example usage: obj.test_data_counts() without return types