Fix citus_local_tables

src/test/regress/expected/citus_local_tables.out

@@ -949,10 +949,15 @@ select count(*) from pg_constraint where conname = 'fkey_test_drop';
 
 -- verify we still preserve the child-parent hierarchy after all conversions
 -- check the shard partition
-select inhrelid::regclass from pg_inherits where (select inhparent::regclass::text) ~ '^parent_1_\d{7}$' order by 1;
-         inhrelid
+SELECT count(*) = 1 AS child_parent_hierarchy_test
+FROM pg_inherits
+WHERE (SELECT inhparent::regclass::text) ~ '^parent_1_\d{7}$'
+  -- order of the child shard id is not guaranteed, but should be either 1904004 or 04
+  AND (inhrelid::regclass::text) IN ('parent_1_child_1_1904004', 'parent_1_child_1_1904006')
+ORDER BY 1;
+ child_parent_hierarchy_test
 ---------------------------------------------------------------------
- parent_1_child_1_1904006
+ t
 (1 row)
 
 -- check the shell partition

src/test/regress/sql/citus_local_tables.sql

@@ -579,10 +579,14 @@ alter table parent_1 add constraint fkey2 foreign key(a) references parent_2(a);
 SELECT create_reference_table('ref_table');
 alter table parent_1 drop constraint fkey_test_drop;
 select count(*) from pg_constraint where conname = 'fkey_test_drop';
-SELECT * FROM pg_dist_shard ORDER BY shardid;
 -- verify we still preserve the child-parent hierarchy after all conversions
 -- check the shard partition
-select inhrelid::regclass from pg_inherits where (select inhparent::regclass::text) ~ '^parent_1_\d{7}$' order by 1;
+SELECT count(*) = 1 AS child_parent_hierarchy_test
+FROM pg_inherits
+WHERE (SELECT inhparent::regclass::text) ~ '^parent_1_\d{7}$'
+  -- order of the child shard id is not guaranteed, but should be either 1904004 or 04
+  AND (inhrelid::regclass::text) IN ('parent_1_child_1_1904004', 'parent_1_child_1_1904006')
+ORDER BY 1;
 -- check the shell partition
 select inhrelid::regclass from pg_inherits where inhparent='parent_1'::regclass order by 1;