diff --git a/metadata/service/tempest/init.yml b/metadata/service/tempest/init.yml
index 3704a5e..7a23466 100644
--- a/metadata/service/tempest/init.yml
+++ b/metadata/service/tempest/init.yml
@@ -9,7 +9,7 @@
     runtest_heat_plugin_skip_scenario_test_list: 'SoftwareConfigIntegrationTest, VolumeBackupRestoreIntegrationTest, AodhAlarmTest'
     # VolumeBackupRestoreIntegrationTest : we don't use volume backup in our default configuration.
     # AodhAlarmTest : we don't have aodh endpoint because of have't telemetry on default configuration.
-    runtest_heat_plugin_skip_functional_test_list: 'UpdateServerNetworksTest', 'StackTemplateValidateTest'
+    runtest_heat_plugin_skip_functional_test_list: 'UpdateServerNetworksTest, StackTemplateValidateTest'
     # UpdateServerNetworksTest, StackTemplateValidateTest : These tests support in openstack Queens, but not in Pike.
     runtest_path_to_ca_file: '/etc/ssl/certs/ca-certificates.crt'
     tempest_test_target: cfg01*