vertical feedback path for Role replies

Change-Id: I31bdb85f90901ec79147adeea0df8ceae00ed1dc
diff --git a/providers/openflow/link/src/test/java/org/onlab/onos/provider/of/link/impl/OpenFlowLinkProviderTest.java b/providers/openflow/link/src/test/java/org/onlab/onos/provider/of/link/impl/OpenFlowLinkProviderTest.java
index 32339f2..4109ba0 100644
--- a/providers/openflow/link/src/test/java/org/onlab/onos/provider/of/link/impl/OpenFlowLinkProviderTest.java
+++ b/providers/openflow/link/src/test/java/org/onlab/onos/provider/of/link/impl/OpenFlowLinkProviderTest.java
@@ -479,12 +479,12 @@
         }
 
         @Override
-        public void returnRoleAssertFailure(RoleState role) {
+        public boolean isOptical() {
+            return false;
         }
 
         @Override
-        public boolean isOptical() {
-            return false;
+        public void returnRoleReply(RoleState requested, RoleState reponse) {
         }
 
     }