diff --git a/sonic-utilities-tests/config_mgmt_test.py b/sonic-utilities-tests/config_mgmt_test.py
index 3bbbd565b2..e9ec81e5f9 100644
--- a/sonic-utilities-tests/config_mgmt_test.py
+++ b/sonic-utilities-tests/config_mgmt_test.py
@@ -32,7 +32,7 @@ def test_table_without_yang(self):
         self.updateConfig(curConfig, unknown)
         self.writeJson(curConfig, config_mgmt.CONFIG_DB_JSON_FILE)
         cm = config_mgmt.ConfigMgmt(source=config_mgmt.CONFIG_DB_JSON_FILE)
-        #assert "unknown_table" in cm.tablesWithoutYang()
+        assert "unknown_table" in cm.tablesWithOutYang()
         return
 
     def test_search_keys(self):