ONOS-944: Implemented a Group operation failure handler in GroupManger and SimpleGroupStore.

Change-Id: Ib3be4d534ceff04af2dad0c062fd4cd63d49ee82
diff --git a/providers/openflow/group/src/test/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProviderTest.java b/providers/openflow/group/src/test/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProviderTest.java
index dd6d9ff..402e0ac 100644
--- a/providers/openflow/group/src/test/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProviderTest.java
+++ b/providers/openflow/group/src/test/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProviderTest.java
@@ -177,7 +177,7 @@
         }
 
         @Override
-        public void groupOperationFailed(GroupOperation operation) {
+        public void groupOperationFailed(DeviceId deviceId, GroupOperation operation) {
             this.failedOperation = operation;
         }