Unit tests for route store.

Change-Id: Ia711c497bb7d0751d692c2461c884ddc5287a2ef
diff --git a/incubator/store/src/main/java/org/onosproject/incubator/store/routing/impl/LocalRouteStore.java b/incubator/store/src/main/java/org/onosproject/incubator/store/routing/impl/LocalRouteStore.java
index 98d008a..8e191f2 100644
--- a/incubator/store/src/main/java/org/onosproject/incubator/store/routing/impl/LocalRouteStore.java
+++ b/incubator/store/src/main/java/org/onosproject/incubator/store/routing/impl/LocalRouteStore.java
@@ -66,7 +66,7 @@
     private Map<IpAddress, MacAddress> nextHops = new ConcurrentHashMap<>();
 
     @Activate
-    protected void activate() {
+    public void activate() {
         routeTables = new ConcurrentHashMap<>();
 
         routeTables.put(IPV4, new RouteTable());