Enable operation in a multi-instance cluster

Change-Id: Ia384fbd972d8866f5dd893c523b5d43ef17e6458
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 94a90c8..d4cb8bd 100644
--- a/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java
+++ b/app/src/test/java/org/opencord/dhcpl2relay/impl/DhcpL2RelayConfigTest.java
@@ -19,21 +19,23 @@
 import org.easymock.EasyMock;
 import org.junit.Before;
 import org.junit.Test;
-
-import static org.hamcrest.Matchers.is;
-import static org.junit.Assert.*;
-
 import org.onlab.junit.TestUtils;
 import org.onlab.osgi.ComponentContextAdapter;
 import org.onosproject.cfg.ComponentConfigService;
-import org.onosproject.common.event.impl.TestEventDispatcher;
+import org.onosproject.cluster.LeadershipServiceAdapter;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.config.Config;
 import org.onosproject.net.config.NetworkConfigRegistryAdapter;
 import org.onosproject.net.flowobjective.FlowObjectiveServiceAdapter;
+import org.onosproject.store.service.TestStorageService;
 
 import java.util.Set;
 
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
 /**
  * Tests for DHCP relay app configuration.
  */
@@ -62,6 +64,8 @@
         dhcpL2Relay.sadisService = new MockSadisService();
         dhcpL2Relay.hostService = new MockHostService();
         dhcpL2Relay.mastershipService = new MockMastershipService();
+        dhcpL2Relay.storageService = new TestStorageService();
+        dhcpL2Relay.leadershipService = new LeadershipServiceAdapter();
         TestUtils.setField(dhcpL2Relay, "eventDispatcher", new TestEventDispatcher());
         dhcpL2Relay.activate(new ComponentContextAdapter());
     }