Carry previous next hop information in RouteEvent

Change-Id: Ib66a9191892c0e62b54fddcbfdc5645f305e9fcf
diff --git a/apps/routing/src/test/java/org/onosproject/routing/impl/SingleSwitchFibInstallerTest.java b/apps/routing/src/test/java/org/onosproject/routing/impl/SingleSwitchFibInstallerTest.java
index 2b60f91..1e6efb5 100644
--- a/apps/routing/src/test/java/org/onosproject/routing/impl/SingleSwitchFibInstallerTest.java
+++ b/apps/routing/src/test/java/org/onosproject/routing/impl/SingleSwitchFibInstallerTest.java
@@ -335,6 +335,7 @@
         testRouteAdd();
         reset(flowObjectiveService);
 
+        ResolvedRoute oldRoute = new ResolvedRoute(PREFIX1, NEXT_HOP1, MAC1, SW1_ETH1);
         ResolvedRoute route = new ResolvedRoute(PREFIX1, NEXT_HOP2, MAC2, SW1_ETH2);
 
         // Create the next objective
@@ -348,7 +349,7 @@
         setUpFlowObjectiveService();
 
         // Send in the update event
-        routeListener.event(new RouteEvent(RouteEvent.Type.ROUTE_UPDATED, route));
+        routeListener.event(new RouteEvent(RouteEvent.Type.ROUTE_UPDATED, route, oldRoute));
 
         verify(flowObjectiveService);
     }
@@ -365,7 +366,7 @@
         testRouteAdd();
 
         // Construct the existing route
-        ResolvedRoute route = new ResolvedRoute(PREFIX1, null, null, null);
+        ResolvedRoute route = new ResolvedRoute(PREFIX1, NEXT_HOP1, MAC1, SW1_ETH1);
 
         // Create the flow objective
         reset(flowObjectiveService);