Fix test errors

src/test/regress/expected/multi_partitioning.out

@@ -186,3 +186,6 @@ ORDER BY
 -- dropping the parent should CASCADE to the children as well
 DROP TABLE partitioning_test;
 \d+ partitioning_test*
+-- set the colocationid sequence back to 1 to make sure
+-- that this file does not break other tests
+ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 1;

src/test/regress/expected/multi_partitioning_0.out

@@ -172,3 +172,6 @@ ERROR:  table "partitioning_test" does not exist
  id     | integer |           | plain   |              | 
  time   | date    |           | plain   |              | 
 
+-- set the colocationid sequence back to 1 to make sure
+-- that this file does not break other tests
+ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 1;

src/test/regress/sql/multi_partitioning.sql

@@ -124,3 +124,7 @@ ORDER BY
 DROP TABLE partitioning_test;
 
 \d+ partitioning_test*
+
+-- set the colocationid sequence back to 1 to make sure
+-- that this file does not break other tests
+ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 1;