diff --git a/src/test/regress/input/constraints.source b/src/test/regress/input/constraints.source
index 47f2bfa0b4f..05185c00afb 100644
--- a/src/test/regress/input/constraints.source
+++ b/src/test/regress/input/constraints.source
@@ -443,7 +443,8 @@ ALTER INDEX t_a_idx ATTACH PARTITION tp_pkey;
 ALTER INDEX t_b_idx ATTACH PARTITION tp_b_a_key;
 ALTER TABLE t DETACH PARTITION tp;
 SELECT conname, conparentid, conislocal, coninhcount
-  FROM pg_constraint WHERE conname IN ('tp_pkey', 'tp_b_a_key');
+  FROM pg_constraint WHERE conname IN ('tp_pkey', 'tp_b_a_key')
+  ORDER BY conname DESC;
 DROP TABLE t, tp;
 
 CREATE TEMP TABLE t (a integer) PARTITION BY LIST (a);
diff --git a/src/test/regress/output/constraints.source b/src/test/regress/output/constraints.source
index 2b4a06f8160..eb4fcbe4dda 100644
--- a/src/test/regress/output/constraints.source
+++ b/src/test/regress/output/constraints.source
@@ -612,7 +612,8 @@ ALTER INDEX t_a_idx ATTACH PARTITION tp_pkey;
 ALTER INDEX t_b_idx ATTACH PARTITION tp_b_a_key;
 ALTER TABLE t DETACH PARTITION tp;
 SELECT conname, conparentid, conislocal, coninhcount
-  FROM pg_constraint WHERE conname IN ('tp_pkey', 'tp_b_a_key');
+  FROM pg_constraint WHERE conname IN ('tp_pkey', 'tp_b_a_key')
+  ORDER BY conname DESC;
   conname   | conparentid | conislocal | coninhcount 
 ------------+-------------+------------+-------------
  tp_pkey    |           0 | t          |           0