Fixed incorrect IDs in test_in_bulk_preserve_ordering.

Author: timgraham

tests/lookup/tests.py

@@ -250,8 +250,8 @@ def test_in_bulk_non_unique_field(self):
 
  def test_in_bulk_preserve_ordering(self):
  self.assertEqual(
- list(Article.objects.in_bulk([self.au2.id, self.au1.id])),
- [self.au2.id, self.au1.id],
+ list(Article.objects.in_bulk([self.a2.id, self.a1.id])),
+ [self.a2.id, self.a1.id],
  )
 
  def test_in_bulk_preserve_ordering_with_batch_size(self):