[SEBA-110] Validation location

Change-Id: Idd155c05fa4cac5eb0733576c5c0fae74925e1ef
diff --git a/xos/synchronizer/event_steps/test_onu_events.py b/xos/synchronizer/event_steps/test_onu_events.py
index e4e227c..e81f876 100644
--- a/xos/synchronizer/event_steps/test_onu_events.py
+++ b/xos/synchronizer/event_steps/test_onu_events.py
@@ -80,7 +80,8 @@
         self.event_dict = {
             'status': 'activated',
             'serial_number': 'BRCM1234',
-            'of_dpid': 'of:109299321'
+            'of_dpid': 'of:109299321',
+            'uni_port_id': 16
         }
         self.event.value = json.dumps(self.event_dict)
 
@@ -103,3 +104,4 @@
 
             self.assertEqual(att_si.serial_number, self.event_dict['serial_number'])
             self.assertEqual(att_si.of_dpid, self.event_dict['of_dpid'])
+            self.assertEqual(att_si.uni_port_id, self.event_dict['uni_port_id'])