diff --git a/test/tap/tests/test_dns_cache-t.cpp b/test/tap/tests/test_dns_cache-t.cpp
index 3301f7531..be0e768d7 100644
--- a/test/tap/tests/test_dns_cache-t.cpp
+++ b/test/tap/tests/test_dns_cache-t.cpp
@@ -183,7 +183,7 @@ int main(int argc, char** argv) {
 	STEP_END,
 	STEP_START
 			UPDATE_PREV_METRICS(proxysql_admin),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
 			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
@@ -192,7 +192,7 @@ int main(int argc, char** argv) {
 	STEP_END,
 	STEP_START
 			UPDATE_PREV_METRICS(proxysql_admin),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
 			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
@@ -204,7 +204,8 @@ int main(int argc, char** argv) {
 			EXECUTE_QUERY("INSERT INTO mysql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (0,'google.com',7861,0,1000,'dummy entry')", proxysql_admin, false),
 			EXECUTE_QUERY("LOAD MYSQL SERVERS TO RUNTIME", proxysql_admin, false),
 			DELAY_SEC(2),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
+			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::greater<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
 			CHECK_RESULT(std::greater<double>, "proxysql_mysql_monitor_dns_cache_lookup_success"),
@@ -215,7 +216,8 @@ int main(int argc, char** argv) {
 			EXECUTE_QUERY("INSERT INTO mysql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (0,' yahoo.com ',7861,0,1000,'dummy entry')", proxysql_admin, false),
 			EXECUTE_QUERY("LOAD MYSQL SERVERS TO RUNTIME", proxysql_admin, false),
 			DELAY_SEC(2),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
+			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::greater<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
 			CHECK_RESULT(std::greater<double>, "proxysql_mysql_monitor_dns_cache_lookup_success"),
@@ -236,7 +238,8 @@ int main(int argc, char** argv) {
 			EXECUTE_QUERY("INSERT INTO mysql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (0,'INVALID_DOMAIN',7861,0,1000,'dummy entry')", proxysql_admin, false),
 			EXECUTE_QUERY("LOAD MYSQL SERVERS TO RUNTIME", proxysql_admin, false),
 			DELAY_SEC(2),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
+			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_lookup_success"),
@@ -248,7 +251,8 @@ int main(int argc, char** argv) {
 			EXECUTE_QUERY("LOAD MYSQL VARIABLES TO RUNTIME", proxysql_admin, false),
 			DELAY_SEC(2),
 			UPDATE_PREV_METRICS(proxysql_admin),
-			LOOP_FUNC(EXECUTE_QUERY("SELECT 1", proxysql, true), 2),
+			LOOP_FUNC(EXECUTE_QUERY("DO 1", proxysql, true), 2),
+			DELAY_SEC(2),
 			UPDATE_AFTER_METRICS(proxysql_admin),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_record_updated"),
 			CHECK_RESULT(std::equal_to<double>, "proxysql_mysql_monitor_dns_cache_lookup_success"),