Update the OLT serial number of demo pod

Change-Id: I0d757e7c7ed92d6e8a6ca47404b7ed05f868cb61
diff --git a/tests/data/onf-demo-pod-openonugo-sadis.json b/tests/data/onf-demo-pod-openonugo-sadis.json
index 85a74ad..f3af5ee 100644
--- a/tests/data/onf-demo-pod-openonugo-sadis.json
+++ b/tests/data/onf-demo-pod-openonugo-sadis.json
@@ -60,10 +60,10 @@
             }]
           },
           {
-            "id": "EC1904000654",
+            "id": "EC1721000216",
             "hardwareIdentifier": "aa:bb:cc:dd:ee:ff",
             "ipAddress": "10.192.20.206",
-            "nasId": "EC1904000654",
+            "nasId": "EC1721000216",
             "uplinkPort": 1048576
           }
         ]