Fixed a couple ordering dependent tests on Oracle broken by refs #27203.

Author: timgraham

tests/queries/tests.py

@@ -1518,7 +1518,7 @@ def test_ticket15316_one2one_filter_false(self):
         ci2 = CategoryItem.objects.create(category=c0)
         ci3 = CategoryItem.objects.create(category=c1)
 
-        qs = CategoryItem.objects.filter(category__onetoonecategory__isnull=False)
+        qs = CategoryItem.objects.filter(category__onetoonecategory__isnull=False).order_by('pk')
         self.assertEqual(qs.count(), 2)
         self.assertSequenceEqual(qs, [ci2, ci3])
 
@@ -1566,7 +1566,7 @@ def test_ticket15316_one2one_exclude_true(self):
         ci2 = CategoryItem.objects.create(category=c0)
         ci3 = CategoryItem.objects.create(category=c1)
 
-        qs = CategoryItem.objects.exclude(category__onetoonecategory__isnull=True)
+        qs = CategoryItem.objects.exclude(category__onetoonecategory__isnull=True).order_by('pk')
         self.assertEqual(qs.count(), 2)
         self.assertSequenceEqual(qs, [ci2, ci3])