docstr: Tests whether the model is saved and loaded correctly when the arrays are stored separately.
code: def test_persistence_separate_file(self):
      """Tests whether the model is saved and loaded correctly when the arrays are stored separately."""
      model = PoincareModel(self.data, burn_in=0, negative=3)
      model.train(epochs=1)
      model.save(testfile(), sep_limit=1)
      loaded = PoincareModel.load(testfile())
      self.models_equal(model, loaded)
  
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 6 for calling the TestPoincareModel obj's underlying member method code with example usage: obj.test_persistence_separate_file() without return types