Fix VERIFY timeout

Verify fails without firing the callback:
- objective is not removed from the queue till is expiration
- InOrderFlowObjectiveManger can remain in stalled state

Change-Id: I9922c8498100a5af3e0d7ce2f39e080ba4c90b14
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa2GroupHandler.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa2GroupHandler.java
index 64bb855..a9ebd24 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa2GroupHandler.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/ofdpa/Ofdpa2GroupHandler.java
@@ -2130,6 +2130,7 @@
             if (topGroup == null) {
                 log.warn("topGroup {} not found in GroupStore device:{}, nextId:{}",
                          topGroupKey, deviceId, nextObjective.id());
+                fail(nextObjective, ObjectiveError.GROUPMISSING);
                 return;
             }
             int actualGroupSize = topGroup.buckets().buckets().size();