Updated test scenario to include "removeHost" event (and another "addHost", etc.).

Change-Id: I5d379d93709c5f9205663e3733b6b2e7a8981694
diff --git a/web/gui/src/test/_karma/ev/dualHomed/ev_12_addHost.json b/web/gui/src/test/_karma/ev/dualHomed/ev_12_addHost.json
new file mode 100644
index 0000000..4359989
--- /dev/null
+++ b/web/gui/src/test/_karma/ev/dualHomed/ev_12_addHost.json
@@ -0,0 +1,31 @@
+{
+  "event": "addHost",
+  "payload": {
+    "id": "3C:FD:FE:9E:6E:D0/None",
+    "type": "endstation",
+    "cp": {
+      "device": "of:0000000000000206",
+      "port": 54
+    },
+    "allCps": [
+      {
+        "device": "of:0000000000000206",
+        "port": 54
+      }
+    ],
+    "labels": [
+      "10.0.5.55",
+      "10.0.5.55",
+      "3C:FD:FE:9E:6E:D0"
+    ],
+    "props": {},
+    "metaUi": {
+      "x": 771.2614872361207,
+      "y": 870.9614439514203,
+      "equivLoc": {
+        "lng": -86.82423167773878,
+        "lat": 27.650078076056364
+      }
+    }
+  }
+}