code: def test_sort_deterministic_one(self):
      node1 = "node1"
      node2 = "node2"
      node3 = "node3"
      node4 = "node4"
      node5 = "node5"
      node6 = "node6"
      allitems = [node6, node5, node4, node3, node2, node1]
      tuples = [(node6, node5), (node2, node1)]
      expected = [node6, node4, node3, node2, node5, 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 7 for calling the DependencySortTest obj's underlying member method code with example usage: obj.test_sort_deterministic_one() without return types