code: def test_remix(self):
      """Test the remix algorithm."""
      reference = Nations()
      for random_state in range(20):
          derived = reference.remix(random_state=random_state)
          self.assertEqual(
              reference.training.num_triples,
              derived.training.num_triples,
          )
          self.assertFalse(
              (
                  reference.training.mapped_triples
                  == derived.training.mapped_triples
              ).all()
          )
  
          self.assertEqual(
              reference.testing.num_triples, derived.testing.num_triples
          )
          self.assertFalse(
              (
                  reference.testing.mapped_triples
                  == derived.testing.mapped_triples
              ).all()
          )
  
          self.assertEqual(
              reference.validation.num_triples,
              derived.validation.num_triples,
          )
          self.assertFalse(
              (
                  reference.validation.mapped_triples
                  == derived.validation.mapped_triples
              ).all()
          )
  
imports: import unittest
  from pykeen.datasets import Nations
label_desc: Use image node_id 1 for calling the TestRemix obj's underlying member method code with example usage: obj.test_remix() without return types