GUI -- Clean up local test events.

Change-Id: I112ccb2db65a8190ff03c274717abf9735084e81
diff --git a/web/gui/src/main/webapp/json/ev/startup/ev_4_onos.json b/web/gui/src/main/webapp/json/ev/startup/ev_4_onos.json
index 053b963..495d69b 100644
--- a/web/gui/src/main/webapp/json/ev/startup/ev_4_onos.json
+++ b/web/gui/src/main/webapp/json/ev/startup/ev_4_onos.json
@@ -5,9 +5,9 @@
     "type": "switch",
     "online": true,
     "labels": [
-      "0000ffffffff0009",
-      "FF:FF:FF:FF:00:09",
-      "?"
+      "",
+      "sw-9",
+      "0000ffffffff0009"
     ],
     "metaUi": {
       "x": 1004,