code: def test_sort_deterministic_two(self):
      node1 = 1
      node2 = 2
      node3 = 3
      node4 = 4
      node5 = 5
      node6 = 6
      allitems = [node6, node5, node4, node3, node2, node1]
      tuples = [(node6, node5), (node4, node3), (node2, node1)]
      expected = [node6, node4, node2, node5, node3, node1]
      self.assert_sort_deterministic(tuples, allitems, expected)
  
imports: from sqlalchemy import exc
  from sqlalchemy.testing import assert_raises
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing.util import conforms_partial_ordering
  from sqlalchemy.util import topological
label_desc: Use image node_id 8 for calling the DependencySortTest obj's underlying member method code with example usage: obj.test_sort_deterministic_two() without return types