class_docstr: Tests for disjoint graph combination.
code: def _verify_manual(
      self, combined_tf: CoreTriplesFactory
  ):  # noqa: D102
      # assumes deterministic entity to id mapping
      expected_triples = {
          # from left_tf
          (0, 0, 1),
          (0, 1, 3),
          (1, 0, 2),
          (4, 1, 5),
          (6, 1, 5),
          # from right_tf with offset
          (7, 2, 8),
          (7, 2, 9),
          (9, 3, 10),
          (11, 3, 12),
          (13, 3, 12),
      }
      assert expected_triples == triple_tensor_to_set(
          combined_tf.mapped_triples
      )
  
imports: import torch
  import unittest_templates
  import pykeen.datasets.ea.combination
  import pykeen.triples.generation
  from pykeen.triples import CoreTriplesFactory
  from pykeen.utils import triple_tensor_to_set
  from tests import cases
label_desc: Use image node_id 1 for calling the DisjointGraphPairCombinatorTestCase obj's underlying member method code with example usage: obj._verify_manual(combined_tf) without return types