Aggregate stats from all cluster nodes and publish

Change-Id: Ic41cdcc8fc17845dabffc42b817b8bb7439a0b52
diff --git a/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java b/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java
index d4cb8bd..e218088 100644
--- a/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java
+++ b/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java
@@ -66,6 +66,9 @@
         dhcpL2Relay.mastershipService = new MockMastershipService();
         dhcpL2Relay.storageService = new TestStorageService();
         dhcpL2Relay.leadershipService = new LeadershipServiceAdapter();
+        SimpleDhcpL2RelayCountersStore store = new SimpleDhcpL2RelayCountersStore();
+        store.componentConfigService = mockConfigService;
+        dhcpL2Relay.dhcpL2RelayCounters = store;
         TestUtils.setField(dhcpL2Relay, "eventDispatcher", new TestEventDispatcher());
         dhcpL2Relay.activate(new ComponentContextAdapter());
     }