diff --git a/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.result b/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.result
index ae72d2fca975..f2976737c3e9 100644
--- a/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.result
+++ b/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.result
@@ -1,10 +1,10 @@
 -- reset users
 -- prepare user and tables for tests
-Error: APIError: ResponseError with 1063: Permission denied: privilege [Alter] is required on *.* for user 'testuser1'@'%' with roles [public]. Note: Please ensure that your current role have the appropriate permissions to create a new Database|Table|UDF|Stage.
-Error: APIError: ResponseError with 1063: Permission denied: privilege [Alter] is required on *.* for user 'testuser1'@'%' with roles [public]. Note: Please ensure that your current role have the appropriate permissions to create a new Database|Table|UDF|Stage.
-Error: APIError: ResponseError with 1063: Permission denied: privilege [Alter] is required on *.* for user 'testuser1'@'%' with roles [public]. Note: Please ensure that your current role have the appropriate permissions to create a new Database|Table|UDF|Stage.
-Error: APIError: RequestError: Query Page failed with status 401 Unauthorized: {"error":{"code":5100,"message":"wrong password"}}
-Error: APIError: RequestError: Start Query failed with status 401 Unauthorized: {"error":{"code":5100,"message":"wrong password"}}
+1
+1
+1
+1
+1
 testuser1 password is 123
 testuser2 password not modify
 -- reset users
diff --git a/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.sh b/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.sh
index e12d68cc978b..021918201b01 100755
--- a/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.sh
+++ b/tests/suites/0_stateless/18_rbac/18_0011_alter_own_username.sh
@@ -14,18 +14,18 @@ echo "DROP USER IF EXISTS 'testuser2'" | $BENDSQL_CLIENT_CONNECT
 echo '-- prepare user and tables for tests'
 echo "CREATE USER 'testuser1' IDENTIFIED BY '$TEST_USER_PASSWORD'" | $BENDSQL_CLIENT_CONNECT
 echo "CREATE USER 'testuser2' IDENTIFIED BY '$TEST_USER_PASSWORD'" | $BENDSQL_CLIENT_CONNECT
-echo "alter user 'testuser2' identified by '123'" | $TEST_USER_CONNECT
-echo "alter user 'testuser1' identified by '123' with default_role='role1'" | $TEST_USER_CONNECT
-echo "alter user 'testuser1' identified by '123' with disabled=true" | $TEST_USER_CONNECT
+echo "alter user 'testuser2' identified by '123'" | $TEST_USER_CONNECT 2>&1 | grep 'Permission denied: privilege \[Alter\]' |wc -l
+echo "alter user 'testuser1' identified by '123' with default_role='role1'" | $TEST_USER_CONNECT  2>&1 | grep 'Permission denied: privilege \[Alter\]' |wc -l
+echo "alter user 'testuser1' identified by '123' with disabled=true" | $TEST_USER_CONNECT  2>&1 | grep 'Permission denied: privilege \[Alter\]' |wc -l
 
 # Note: this query in bendsql will return err, because bendsql will call auth in poll, after password modified, in next poll the auth failed, it will return err.
 # testuser1@localhost:8000/default> alter user 'testuser1' identified by '123';
 # error: APIError: RequestError: Query Page failed with status 401 Unauthorized: {"error":{"code":"401","message":"wrong password"}}
-echo "alter user 'testuser1' identified by '123'" | $TEST_USER_CONNECT
+echo "alter user 'testuser1' identified by '123'" | $TEST_USER_CONNECT 2>&1 | grep 'wrong password' | wc -l
 
 export TEST_USER_MODIFY_CONNECT="bendsql --user=testuser1 --password=123 --host=${QUERY_MYSQL_HANDLER_HOST} --port ${QUERY_HTTP_HANDLER_PORT}"
 
-echo "select 1" | $TEST_USER_CONNECT
+echo "select 1" | $TEST_USER_CONNECT  2>&1 | grep 'wrong password' | wc -l
 echo "select 'testuser1 password is 123'" | $TEST_USER_MODIFY_CONNECT
 echo "select 'testuser2 password not modify'" | $TEST_USER2_CONNECT