diff --git a/src/test/regress/expected/force_vector_engine.out b/src/test/regress/expected/force_vector_engine.out
index 91dd146cf..09a2f83c9 100644
--- a/src/test/regress/expected/force_vector_engine.out
+++ b/src/test/regress/expected/force_vector_engine.out
@@ -331,6 +331,12 @@ drop database pg_length_cmpt_db;
 -- Do not use vectorization engine
 create table force_vector_sysdomain(a information_schema.cardinal_number, b int);
 insert into force_vector_sysdomain values(10, 20);
+select a,b from force_vector_sysdomain;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
 set try_vector_engine_strategy='force';
 select a,b from force_vector_sysdomain;
  a  | b  
@@ -338,5 +344,12 @@ select a,b from force_vector_sysdomain;
  10 | 20
 (1 row)
 
+set try_vector_engine_strategy='optimal';
+select a,b from force_vector_sysdomain;
+ a  | b  
+----+----
+ 10 | 20
+(1 row)
+
 drop table force_vector_sysdomain;
 set try_vector_engine_strategy='off';
diff --git a/src/test/regress/sql/force_vector_engine.sql b/src/test/regress/sql/force_vector_engine.sql
index 295b6ffb0..738ac68df 100644
--- a/src/test/regress/sql/force_vector_engine.sql
+++ b/src/test/regress/sql/force_vector_engine.sql
@@ -116,7 +116,10 @@ drop database pg_length_cmpt_db;
 -- Do not use vectorization engine
 create table force_vector_sysdomain(a information_schema.cardinal_number, b int);
 insert into force_vector_sysdomain values(10, 20);
+select a,b from force_vector_sysdomain;
 set try_vector_engine_strategy='force';
 select a,b from force_vector_sysdomain;
+set try_vector_engine_strategy='optimal';
+select a,b from force_vector_sysdomain;
 drop table force_vector_sysdomain;
 set try_vector_engine_strategy='off';