diff --git a/src/test/regress/expected/insert_select_connection_leak.out b/src/test/regress/expected/insert_select_connection_leak.out
index a971c608e..8a983acd5 100644
--- a/src/test/regress/expected/insert_select_connection_leak.out
+++ b/src/test/regress/expected/insert_select_connection_leak.out
@@ -23,7 +23,7 @@ SELECT create_distributed_table('target_table', 'a');
 
 (1 row)
 
-INSERT INTO source_table SELECT i, 2 * i FROM generate_series(1, 10000) i;
+INSERT INTO source_table SELECT i, 2 * i FROM generate_series(1, 100) i;
 EXPLAIN (costs off) INSERT INTO target_table SELECT * FROM source_table;
                            QUERY PLAN
 ---------------------------------------------------------------------
@@ -81,7 +81,7 @@ INSERT INTO target_table SELECT * FROM source_table;
 SELECT worker_connection_count(:worker_1_port) AS worker_1_connections,
        worker_connection_count(:worker_2_port) AS worker_2_connections \gset
 SAVEPOINT s1;
-INSERT INTO target_table SELECT a, CASE WHEN a < 5000 THEN b ELSE null END  FROM source_table;
+INSERT INTO target_table SELECT a, CASE WHEN a < 50 THEN b ELSE null END  FROM source_table;
 ERROR:  null value in column "b" violates not-null constraint
 ROLLBACK TO SAVEPOINT s1;
 SELECT worker_connection_count(:worker_1_port) - :worker_1_connections AS leaked_worker_1_connections,
diff --git a/src/test/regress/sql/insert_select_connection_leak.sql b/src/test/regress/sql/insert_select_connection_leak.sql
index 167acd9e5..05afb10a0 100644
--- a/src/test/regress/sql/insert_select_connection_leak.sql
+++ b/src/test/regress/sql/insert_select_connection_leak.sql
@@ -18,7 +18,7 @@ SELECT create_distributed_table('source_table', 'a');
 CREATE TABLE target_table(a numeric, b int not null);
 SELECT create_distributed_table('target_table', 'a');
 
-INSERT INTO source_table SELECT i, 2 * i FROM generate_series(1, 10000) i;
+INSERT INTO source_table SELECT i, 2 * i FROM generate_series(1, 100) i;
 
 EXPLAIN (costs off) INSERT INTO target_table SELECT * FROM source_table;
 
@@ -57,7 +57,7 @@ INSERT INTO target_table SELECT * FROM source_table;
 SELECT worker_connection_count(:worker_1_port) AS worker_1_connections,
        worker_connection_count(:worker_2_port) AS worker_2_connections \gset
 SAVEPOINT s1;
-INSERT INTO target_table SELECT a, CASE WHEN a < 5000 THEN b ELSE null END  FROM source_table;
+INSERT INTO target_table SELECT a, CASE WHEN a < 50 THEN b ELSE null END  FROM source_table;
 ROLLBACK TO SAVEPOINT s1;
 SELECT worker_connection_count(:worker_1_port) - :worker_1_connections AS leaked_worker_1_connections,
        worker_connection_count(:worker_2_port) - :worker_2_connections AS leaked_worker_2_connections;