GUI -- added topo test scenario skeleton for showHighlights.

Change-Id: Ie2cf901bc37343618563b38b3825b03a4c0db668
diff --git a/web/gui/src/test/_karma/ev/badges/ev_4_addLink_1_2.json b/web/gui/src/test/_karma/ev/badges/ev_4_addLink_1_2.json
new file mode 100644
index 0000000..fb95283
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/badges/ev_4_addLink_1_2.json
@@ -0,0 +1,16 @@
+{
+  "event": "addLink",
+  "payload": {
+    "id": "of:0000000000000001/5-of:0000000000000002/7",
+    "type": "direct",
+    "online": true,
+    "linkWidth": 2,
+    "src": "of:0000000000000001",
+    "srcPort": "5",
+    "dst": "of:0000000000000002",
+    "dstPort": "7",
+    "props" : {
+      "BW": "70 Gb"
+    }
+  }
+}