diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
index e319e30..44099e3 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
@@ -71,6 +71,7 @@
         manager = new VirtualNetworkManager();
         manager.store = virtualNetworkManagerStore;
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkFlowRuleManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkFlowRuleManagerTest.java
index 0afc6ea..fa93335 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkFlowRuleManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkFlowRuleManagerTest.java
@@ -33,9 +33,6 @@
 import org.onosproject.core.CoreService;
 import org.onosproject.event.EventDeliveryService;
 import org.onosproject.incubator.net.virtual.NetworkId;
-import org.onosproject.incubator.net.virtual.TenantId;
-import org.onosproject.incubator.net.virtual.VirtualDevice;
-import org.onosproject.incubator.net.virtual.VirtualLink;
 import org.onosproject.incubator.net.virtual.VirtualNetwork;
 import org.onosproject.incubator.net.virtual.VirtualNetworkFlowRuleStore;
 import org.onosproject.incubator.net.virtual.VirtualNetworkStore;
@@ -48,12 +45,8 @@
 import org.onosproject.incubator.net.virtual.provider.VirtualProviderRegistryService;
 import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore;
 import org.onosproject.incubator.store.virtual.impl.SimpleVirtualFlowRuleStore;
-import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.Link;
 import org.onosproject.net.NetTestTools;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.TestDeviceParams;
 import org.onosproject.net.flow.DefaultFlowEntry;
 import org.onosproject.net.flow.DefaultFlowRule;
 import org.onosproject.net.flow.FlowEntry;
@@ -83,7 +76,7 @@
 import static org.junit.Assert.*;
 import static org.onosproject.net.flow.FlowRuleEvent.Type.*;
 
-public class VirtualNetworkFlowRuleManagerTest extends TestDeviceParams {
+public class VirtualNetworkFlowRuleManagerTest extends VirtualNetworkTestUtil {
     private static final int TIMEOUT = 10;
 
     private VirtualNetworkManager manager;
@@ -107,9 +100,6 @@
     protected TestFlowRuleListener listener1 = new TestFlowRuleListener();
     protected TestFlowRuleListener listener2 = new TestFlowRuleListener();
 
-    private final TenantId tid1 = TenantId.tenantId("tid1");
-    private final TenantId tid2 = TenantId.tenantId("tid2");
-
     private VirtualNetwork vnet1;
     private VirtualNetwork vnet2;
 
@@ -150,8 +140,8 @@
 
         manager.activate();
 
-        vnet1 = setupVirtualNetworkTopology(tid1);
-        vnet2 = setupVirtualNetworkTopology(tid2);
+        vnet1 = setupVirtualNetworkTopology(manager, TID1);
+        vnet2 = setupVirtualNetworkTopology(manager, TID2);
 
         vnetFlowRuleService1 = new VirtualNetworkFlowRuleManager(manager, vnet1.id());
         vnetFlowRuleService2 = new VirtualNetworkFlowRuleManager(manager, vnet2.id());
@@ -175,60 +165,8 @@
         virtualNetworkManagerStore.deactivate();
     }
 
-    /**
-     * Method to create the virtual network for further testing.
-     *
-     * @return virtual network
-     */
-    private VirtualNetwork setupVirtualNetworkTopology(TenantId tenantId) {
-        manager.registerTenantId(tenantId);
-        VirtualNetwork virtualNetwork = manager.createVirtualNetwork(tenantId);
-
-        VirtualDevice virtualDevice1 =
-                manager.createVirtualDevice(virtualNetwork.id(), DID1);
-        VirtualDevice virtualDevice2 =
-                manager.createVirtualDevice(virtualNetwork.id(), DID2);
-        VirtualDevice virtualDevice3 =
-                manager.createVirtualDevice(virtualNetwork.id(), DID3);
-        VirtualDevice virtualDevice4 =
-                manager.createVirtualDevice(virtualNetwork.id(), DID4);
-
-        ConnectPoint cp1 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1));
-        manager.createVirtualPort(virtualNetwork.id(), cp1.deviceId(), cp1.port(), cp1);
-
-        ConnectPoint cp2 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(2));
-        manager.createVirtualPort(virtualNetwork.id(), cp2.deviceId(), cp2.port(), cp2);
-
-        ConnectPoint cp3 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(3));
-        manager.createVirtualPort(virtualNetwork.id(), cp3.deviceId(), cp3.port(), cp3);
-
-        ConnectPoint cp4 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(4));
-        manager.createVirtualPort(virtualNetwork.id(), cp4.deviceId(), cp4.port(), cp4);
-
-        ConnectPoint cp5 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(5));
-        manager.createVirtualPort(virtualNetwork.id(), cp5.deviceId(), cp5.port(), cp5);
-
-        ConnectPoint cp6 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(6));
-        manager.createVirtualPort(virtualNetwork.id(), cp6.deviceId(), cp6.port(), cp6);
-
-        VirtualLink link1 = manager.createVirtualLink(virtualNetwork.id(), cp1, cp3);
-        virtualNetworkManagerStore.updateLink(link1, link1.tunnelId(), Link.State.ACTIVE);
-        VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp3, cp1);
-        virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE);
-        VirtualLink link3 = manager.createVirtualLink(virtualNetwork.id(), cp4, cp5);
-        virtualNetworkManagerStore.updateLink(link3, link3.tunnelId(), Link.State.ACTIVE);
-        VirtualLink link4 = manager.createVirtualLink(virtualNetwork.id(), cp5, cp4);
-        virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE);
-        VirtualLink link5 = manager.createVirtualLink(virtualNetwork.id(), cp2, cp6);
-        virtualNetworkManagerStore.updateLink(link5, link5.tunnelId(), Link.State.ACTIVE);
-        VirtualLink link6 = manager.createVirtualLink(virtualNetwork.id(), cp6, cp2);
-        virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE);
-
-        return virtualNetwork;
-    }
-
     private FlowRule flowRule(int tsval, int trval) {
-        return flowRule(DID1, tsval, trval);
+        return flowRule(VDID1, tsval, trval);
     }
 
     private FlowRule flowRule(DeviceId did, int tsval, int trval) {
@@ -248,22 +186,22 @@
         FlowRule rule = flowRule(hval, hval);
         vnetFlowRuleService1.applyFlowRules(rule);
 
-        assertNotNull("rule should be found", vnetFlowRuleService1.getFlowEntries(DID1));
+        assertNotNull("rule should be found", vnetFlowRuleService1.getFlowEntries(VDID1));
         return rule;
     }
 
     private int flowCount(FlowRuleService service) {
         List<FlowEntry> entries = Lists.newArrayList();
-        service.getFlowEntries(DID1).forEach(entries::add);
+        service.getFlowEntries(VDID1).forEach(entries::add);
         return entries.size();
     }
 
     @Test
     public void getFlowEntries() {
         assertTrue("store should be empty",
-                   Sets.newHashSet(vnetFlowRuleService1.getFlowEntries(DID1)).isEmpty());
+                   Sets.newHashSet(vnetFlowRuleService1.getFlowEntries(VDID1)).isEmpty());
         assertTrue("store should be empty",
-                   Sets.newHashSet(vnetFlowRuleService2.getFlowEntries(DID1)).isEmpty());
+                   Sets.newHashSet(vnetFlowRuleService2.getFlowEntries(VDID1)).isEmpty());
 
         FlowRule f1 = addFlowRule(1);
         FlowRule f2 = addFlowRule(2);
@@ -274,7 +212,7 @@
         assertEquals("2 rules should exist", 2, flowCount(vnetFlowRuleService1));
         assertEquals("0 rules should exist", 0, flowCount(vnetFlowRuleService2));
 
-        providerService1.pushFlowMetrics(DID1, ImmutableList.of(fe1, fe2));
+        providerService1.pushFlowMetrics(VDID1, ImmutableList.of(fe1, fe2));
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED,
                        RULE_ADDED, RULE_ADDED);
 
@@ -283,7 +221,7 @@
         System.err.println("events :" + listener1.events);
         assertEquals("0 rules should exist", 0, flowCount(vnetFlowRuleService2));
 
-        providerService1.pushFlowMetrics(DID1, ImmutableList.of(fe1));
+        providerService1.pushFlowMetrics(VDID1, ImmutableList.of(fe1));
         validateEvents(listener1, RULE_UPDATED, RULE_UPDATED);
     }
 
@@ -313,10 +251,10 @@
         FlowEntry fe1 = new DefaultFlowEntry(f1);
         FlowEntry fe2 = new DefaultFlowEntry(f2);
         FlowEntry fe3 = new DefaultFlowEntry(f3);
-        providerService1.pushFlowMetrics(DID1, ImmutableList.of(fe1, fe2, fe3));
+        providerService1.pushFlowMetrics(VDID1, ImmutableList.of(fe1, fe2, fe3));
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED,
                        RULE_ADDED, RULE_ADDED, RULE_ADDED);
-        vnetFlowRuleService1.purgeFlowRules(DID1);
+        vnetFlowRuleService1.purgeFlowRules(VDID1);
         assertEquals("0 rule should exist", 0, flowCount(vnetFlowRuleService1));
     }
 
@@ -330,7 +268,7 @@
         FlowEntry fe1 = new DefaultFlowEntry(f1);
         FlowEntry fe2 = new DefaultFlowEntry(f2);
         FlowEntry fe3 = new DefaultFlowEntry(f3);
-        providerService1.pushFlowMetrics(DID1, ImmutableList.of(fe1, fe2, fe3));
+        providerService1.pushFlowMetrics(VDID1, ImmutableList.of(fe1, fe2, fe3));
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED,
                        RULE_ADDED, RULE_ADDED, RULE_ADDED);
 
@@ -355,7 +293,7 @@
         StoredFlowEntry fe1 = new DefaultFlowEntry(f1);
         FlowEntry fe2 = new DefaultFlowEntry(f2);
 
-        providerService1.pushFlowMetrics(DID1, ImmutableList.of(fe1, fe2));
+        providerService1.pushFlowMetrics(VDID1, ImmutableList.of(fe1, fe2));
         vnetFlowRuleService1.removeFlowRules(f1);
 
         //FIXME modification of "stored" flow entry outside of store
@@ -373,7 +311,7 @@
         FlowEntry fe3 = new DefaultFlowEntry(f3);
         vnetFlowRuleService1.applyFlowRules(f3);
 
-        providerService1.pushFlowMetrics(DID1, Collections.singletonList(fe3));
+        providerService1.pushFlowMetrics(VDID1, Collections.singletonList(fe3));
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADDED, RULE_UPDATED);
 
         providerService1.flowRemoved(fe3);
@@ -392,7 +330,7 @@
         FlowEntry fe3 = new DefaultFlowEntry(f3);
 
 
-        providerService1.pushFlowMetrics(DID1, Lists.newArrayList(fe1, fe2, fe3));
+        providerService1.pushFlowMetrics(VDID1, Lists.newArrayList(fe1, fe2, fe3));
 
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED,
                        RULE_ADDED, RULE_ADDED);
@@ -414,7 +352,7 @@
 
         vnetFlowRuleService1.removeFlowRules(f3);
 
-        providerService1.pushFlowMetrics(DID1, Lists.newArrayList(fe1, fe2));
+        providerService1.pushFlowMetrics(VDID1, Lists.newArrayList(fe1, fe2));
 
         validateEvents(listener1, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED, RULE_ADD_REQUESTED,
                        RULE_REMOVE_REQUESTED, RULE_ADDED, RULE_ADDED, RULE_REMOVED);
@@ -439,7 +377,7 @@
 
     private boolean validateState(Map<FlowRule, FlowEntry.FlowEntryState> expected) {
         Map<FlowRule, FlowEntry.FlowEntryState> expectedToCheck = new HashMap<>(expected);
-        Iterable<FlowEntry> rules = vnetFlowRuleService1.getFlowEntries(DID1);
+        Iterable<FlowEntry> rules = vnetFlowRuleService1.getFlowEntries(VDID1);
         for (FlowEntry f : rules) {
             assertTrue("Unexpected FlowRule " + f, expectedToCheck.containsKey(f));
             assertEquals("FlowEntry" + f, expectedToCheck.get(f), f.state());
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
index ed0f3c2..01611f3 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
@@ -66,6 +66,7 @@
         manager = new VirtualNetworkManager();
         manager.store = virtualNetworkManagerStore;
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
index 70f1c1b..a2062d9 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
@@ -72,6 +72,7 @@
         manager = new VirtualNetworkManager();
         manager.store = virtualNetworkManagerStore;
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
index 6bf9ed2..158fcef 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
@@ -104,6 +104,7 @@
         manager.store = virtualNetworkManagerStore;
         manager.addListener(listener);
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPacketManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPacketManagerTest.java
new file mode 100644
index 0000000..b9771e4
--- /dev/null
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPacketManagerTest.java
@@ -0,0 +1,210 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.incubator.net.virtual.impl;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.ClusterServiceAdapter;
+import org.onosproject.common.event.impl.TestEventDispatcher;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.IdGenerator;
+import org.onosproject.event.EventDeliveryService;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualNetwork;
+import org.onosproject.incubator.net.virtual.VirtualNetworkPacketStore;
+import org.onosproject.incubator.net.virtual.VirtualNetworkStore;
+import org.onosproject.incubator.net.virtual.impl.provider.VirtualProviderManager;
+import org.onosproject.incubator.net.virtual.provider.AbstractVirtualProvider;
+import org.onosproject.incubator.net.virtual.provider.VirtualPacketProvider;
+import org.onosproject.incubator.net.virtual.provider.VirtualProviderRegistryService;
+import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore;
+import org.onosproject.incubator.store.virtual.impl.SimpleVirtualPacketStore;
+import org.onosproject.net.NetTestTools;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.intent.FakeIntentManager;
+import org.onosproject.net.intent.TestableIntentService;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketContext;
+import org.onosproject.net.packet.PacketProcessor;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.store.service.TestStorageService;
+
+import java.nio.ByteBuffer;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.junit.Assert.*;
+
+public class VirtualNetworkPacketManagerTest extends VirtualNetworkTestUtil {
+
+    private static final int PROCESSOR_PRIORITY = 1;
+
+    private VirtualNetworkManager manager;
+    private DistributedVirtualNetworkStore virtualNetworkManagerStore;
+    private CoreService coreService = new TestCoreService();
+    private TestableIntentService intentService = new FakeIntentManager();
+    private TestServiceDirectory testDirectory;
+    private EventDeliveryService eventDeliveryService;
+    private VirtualProviderManager providerRegistryService;
+
+    private VirtualNetwork vnet1;
+    private VirtualNetwork vnet2;
+
+    private VirtualPacketProvider provider = new TestPacketProvider();
+    private VirtualNetworkPacketStore packetStore = new SimpleVirtualPacketStore();
+
+    private VirtualNetworkPacketManager packetManager1;
+    private VirtualNetworkPacketManager packetManager2;
+
+    @Before
+    public void setUp() throws TestUtils.TestUtilsException {
+        virtualNetworkManagerStore = new DistributedVirtualNetworkStore();
+
+        TestUtils.setField(virtualNetworkManagerStore, "coreService", coreService);
+        TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
+        virtualNetworkManagerStore.activate();
+
+        manager = new VirtualNetworkManager();
+        manager.store = virtualNetworkManagerStore;
+        manager.coreService = coreService;
+        manager.intentService = intentService;
+        NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
+
+        providerRegistryService = new VirtualProviderManager();
+        providerRegistryService.registerProvider(provider);
+
+        testDirectory = new TestServiceDirectory()
+                .add(VirtualNetworkStore.class, virtualNetworkManagerStore)
+                .add(CoreService.class, coreService)
+                .add(VirtualProviderRegistryService.class, providerRegistryService)
+                .add(EventDeliveryService.class, eventDeliveryService)
+                .add(ClusterService.class, new ClusterServiceAdapter())
+                .add(VirtualNetworkPacketStore.class, packetStore);
+        TestUtils.setField(manager, "serviceDirectory", testDirectory);
+
+        eventDeliveryService = new TestEventDispatcher();
+        NetTestTools.injectEventDispatcher(manager, eventDeliveryService);
+
+        manager.activate();
+
+        vnet1 = VirtualNetworkTestUtil.setupVirtualNetworkTopology(manager, TID1);
+        vnet2 = VirtualNetworkTestUtil.setupVirtualNetworkTopology(manager, TID2);
+
+        packetManager1 = new VirtualNetworkPacketManager(manager, vnet1.id());
+        packetManager2 = new VirtualNetworkPacketManager(manager, vnet2.id());
+    }
+
+    /**
+     * Tests the correct usage of addProcessor() for a outbound packet.
+     */
+    @Test
+    public void addProcessorTest() {
+        PacketProcessor testProcessor = new TestProcessor();
+        packetManager1.addProcessor(testProcessor, PROCESSOR_PRIORITY);
+
+        assertEquals("1 processor expected", 1,
+                    packetManager1.getProcessors().size());
+        assertEquals("0 processor expected", 0,
+                     packetManager2.getProcessors().size());
+
+        assertEquals("not equal packet processor", testProcessor,
+                     packetManager1.getProcessors().get(0).processor());
+        assertEquals("not equal packet processor priority", PROCESSOR_PRIORITY,
+                     packetManager1.getProcessors().get(0).priority());
+    }
+
+    /**
+     * Tests the correct usage of addProcessor() for a outbound packet.
+     */
+    @Test
+    public void removeProcessorTest() {
+        PacketProcessor testProcessor = new TestProcessor();
+        packetManager1.addProcessor(testProcessor, PROCESSOR_PRIORITY);
+
+        assertEquals("1 processor expected", 1,
+                     packetManager1.getProcessors().size());
+        assertEquals("0 processor expected", 0,
+                     packetManager2.getProcessors().size());
+
+        packetManager1.removeProcessor(testProcessor);
+
+        assertEquals("0 processor expected", 0,
+                     packetManager1.getProcessors().size());
+        assertEquals("0 processor expected", 0,
+                     packetManager2.getProcessors().size());
+    }
+
+    /**
+     * Tests the correct usage of emit() for a outbound packet.
+     */
+    @Test
+    public void emitTest() {
+        OutboundPacket packet =
+                new DefaultOutboundPacket(VDID1, DefaultTrafficTreatment.emptyTreatment(), ByteBuffer.allocate(5));
+        packetManager1.emit(packet);
+        assertEquals("Packet not emitted correctly", packet, emittedPacket);
+    }
+
+    private static OutboundPacket emittedPacket = null;
+
+    /**
+     * Core service test class.
+     */
+    private class TestCoreService extends CoreServiceAdapter {
+
+        @Override
+        public IdGenerator getIdGenerator(String topic) {
+            return new IdGenerator() {
+                private AtomicLong counter = new AtomicLong(0);
+
+                @Override
+                public long getNewId() {
+                    return counter.getAndIncrement();
+                }
+            };
+        }
+    }
+
+    private class TestPacketProvider extends AbstractVirtualProvider
+            implements VirtualPacketProvider {
+
+        /**
+         * Creates a provider with the supplied identifier.
+         */
+        protected TestPacketProvider() {
+            super(new ProviderId("test-packet",
+                                 "org.onosproject.virtual.test-packet"));
+        }
+
+        @Override
+        public void emit(NetworkId networkId, OutboundPacket packet) {
+            emittedPacket = packet;
+        }
+    }
+
+    private class TestProcessor implements PacketProcessor {
+
+        @Override
+        public void process(PacketContext context) {
+
+        }
+    }
+}
\ No newline at end of file
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
index 768bc4d..1bff96f 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
@@ -71,6 +71,7 @@
         manager = new VirtualNetworkManager();
         manager.store = virtualNetworkManagerStore;
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTestUtil.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTestUtil.java
new file mode 100644
index 0000000..487cb6e
--- /dev/null
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTestUtil.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.incubator.net.virtual.impl;
+
+import org.onosproject.incubator.net.virtual.TenantId;
+import org.onosproject.incubator.net.virtual.VirtualDevice;
+import org.onosproject.incubator.net.virtual.VirtualLink;
+import org.onosproject.incubator.net.virtual.VirtualNetwork;
+import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.TestDeviceParams;
+
+import static org.onosproject.net.DeviceId.deviceId;
+
+public class VirtualNetworkTestUtil extends TestDeviceParams {
+
+    protected static final TenantId TID1 = TenantId.tenantId("tid1");
+    protected static final TenantId TID2 = TenantId.tenantId("tid2");
+
+    protected static final DeviceId VDID1 = deviceId("of:foo_v");
+    protected static final DeviceId VDID2 = deviceId("of:bar_v");
+    protected static final DeviceId VDID3 = deviceId("of:who_v");
+    protected static final DeviceId VDID4 = deviceId("of:what_v");
+
+    /**
+     * Method to create the virtual network for further testing.
+     *
+     * @return virtual network
+     */
+    public static VirtualNetwork setupVirtualNetworkTopology(VirtualNetworkManager manager,
+                                                             TenantId tenantId) {
+        manager.registerTenantId(tenantId);
+        VirtualNetwork virtualNetwork = manager.createVirtualNetwork(tenantId);
+
+        VirtualDevice virtualDevice1 =
+                manager.createVirtualDevice(virtualNetwork.id(), VDID1);
+        VirtualDevice virtualDevice2 =
+                manager.createVirtualDevice(virtualNetwork.id(), VDID2);
+        VirtualDevice virtualDevice3 =
+                manager.createVirtualDevice(virtualNetwork.id(), VDID3);
+        VirtualDevice virtualDevice4 =
+                manager.createVirtualDevice(virtualNetwork.id(), VDID4);
+
+        ConnectPoint vcp1 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1));
+        ConnectPoint cp1 = new ConnectPoint(DID1, PortNumber.portNumber(1));
+        manager.createVirtualPort(virtualNetwork.id(), vcp1.deviceId(), vcp1.port(), cp1);
+
+        ConnectPoint vcp2 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(2));
+        ConnectPoint cp2 = new ConnectPoint(DID1, PortNumber.portNumber(2));
+        manager.createVirtualPort(virtualNetwork.id(), vcp2.deviceId(), vcp2.port(), cp2);
+
+        ConnectPoint vcp3 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(3));
+        ConnectPoint cp3 = new ConnectPoint(DID2, PortNumber.portNumber(1));
+        manager.createVirtualPort(virtualNetwork.id(), vcp3.deviceId(), vcp3.port(), cp3);
+
+        ConnectPoint vcp4 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(4));
+        ConnectPoint cp4 = new ConnectPoint(DID2, PortNumber.portNumber(2));
+        manager.createVirtualPort(virtualNetwork.id(), vcp4.deviceId(), vcp4.port(), cp4);
+
+        ConnectPoint vcp5 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(5));
+        ConnectPoint cp5 = new ConnectPoint(DID3, PortNumber.portNumber(1));
+        manager.createVirtualPort(virtualNetwork.id(), vcp5.deviceId(), vcp5.port(), cp5);
+
+        ConnectPoint vcp6 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(6));
+        ConnectPoint cp6 = new ConnectPoint(DID3, PortNumber.portNumber(2));
+        manager.createVirtualPort(virtualNetwork.id(), vcp6.deviceId(), vcp6.port(), cp6);
+
+        DistributedVirtualNetworkStore virtualNetworkManagerStore =
+                (DistributedVirtualNetworkStore) manager.store;
+        VirtualLink link1 = manager.createVirtualLink(virtualNetwork.id(), vcp1, vcp3);
+        virtualNetworkManagerStore.updateLink(link1, link1.tunnelId(), Link.State.ACTIVE);
+        VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), vcp3, vcp1);
+        virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE);
+        VirtualLink link3 = manager.createVirtualLink(virtualNetwork.id(), vcp4, vcp5);
+        virtualNetworkManagerStore.updateLink(link3, link3.tunnelId(), Link.State.ACTIVE);
+        VirtualLink link4 = manager.createVirtualLink(virtualNetwork.id(), vcp5, vcp4);
+        virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE);
+        VirtualLink link5 = manager.createVirtualLink(virtualNetwork.id(), vcp2, vcp6);
+        virtualNetworkManagerStore.updateLink(link5, link5.tunnelId(), Link.State.ACTIVE);
+        VirtualLink link6 = manager.createVirtualLink(virtualNetwork.id(), vcp6, vcp2);
+        virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE);
+
+        return virtualNetwork;
+    }
+}
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
index 11bfdc8..ccbb71c 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
@@ -23,8 +23,10 @@
 import org.onlab.osgi.TestServiceDirectory;
 import org.onlab.rest.BaseResource;
 import org.onosproject.common.event.impl.TestEventDispatcher;
+import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
 import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.core.IdGenerator;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.TenantId;
@@ -82,6 +84,7 @@
         manager = new VirtualNetworkManager();
         manager.store = virtualNetworkManagerStore;
         manager.intentService = intentService;
+        manager.coreService = coreService;
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
 
         testDirectory = new TestServiceDirectory();
@@ -613,6 +616,8 @@
      */
     private class TestCoreService extends CoreServiceAdapter {
 
+        ApplicationId appId;
+
         @Override
         public IdGenerator getIdGenerator(String topic) {
             return new IdGenerator() {
@@ -624,5 +629,17 @@
                 }
             };
         }
+
+        @Override
+        public ApplicationId registerApplication(String name) {
+            appId = new DefaultApplicationId(1, name);
+            return appId;
+        }
+
+            @Override
+        public ApplicationId getAppId(String name) {
+            return appId;
+        }
     }
+
 }
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProviderTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProviderTest.java
index 1a1c235..d8ae05d 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProviderTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/DefaultVirtualFlowRuleProviderTest.java
@@ -26,10 +26,9 @@
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
 import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
+import org.onosproject.core.CoreServiceAdapter;
 import org.onosproject.core.DefaultApplicationId;
 import org.onosproject.core.IdGenerator;
-import org.onosproject.core.Version;
 import org.onosproject.incubator.net.virtual.DefaultVirtualDevice;
 import org.onosproject.incubator.net.virtual.DefaultVirtualNetwork;
 import org.onosproject.incubator.net.virtual.DefaultVirtualPort;
@@ -49,7 +48,6 @@
 import org.onosproject.net.DefaultPort;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
-import org.onosproject.net.DisjointPath;
 import org.onosproject.net.HostId;
 import org.onosproject.net.HostLocation;
 import org.onosproject.net.Link;
@@ -63,26 +61,20 @@
 import org.onosproject.net.flow.DefaultTrafficTreatment;
 import org.onosproject.net.flow.FlowEntry;
 import org.onosproject.net.flow.FlowRule;
-import org.onosproject.net.flow.FlowRuleListener;
-import org.onosproject.net.flow.FlowRuleOperations;
-import org.onosproject.net.flow.FlowRuleService;
-import org.onosproject.net.flow.TableStatisticsEntry;
+import org.onosproject.net.flow.FlowRuleServiceAdapter;
 import org.onosproject.net.flow.TrafficSelector;
 import org.onosproject.net.flow.TrafficTreatment;
 import org.onosproject.net.flow.instructions.Instruction;
 import org.onosproject.net.flow.instructions.L2ModificationInstruction;
 import org.onosproject.net.provider.ProviderId;
-import org.onosproject.net.topology.ClusterId;
+import org.onosproject.net.topology.LinkWeigher;
 import org.onosproject.net.topology.LinkWeight;
 import org.onosproject.net.topology.Topology;
-import org.onosproject.net.topology.TopologyCluster;
-import org.onosproject.net.topology.TopologyGraph;
-import org.onosproject.net.topology.TopologyListener;
 import org.onosproject.net.topology.TopologyServiceAdapter;
 
 import java.util.HashSet;
-import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
 import java.util.stream.Collectors;
 
 import static org.junit.Assert.assertEquals;
@@ -308,27 +300,7 @@
         }
     }
 
-    private static class TestCoreService implements CoreService {
-
-        @Override
-        public Version version() {
-            return null;
-        }
-
-        @Override
-        public Set<ApplicationId> getAppIds() {
-            return null;
-        }
-
-        @Override
-        public ApplicationId getAppId(Short id) {
-            return null;
-        }
-
-        @Override
-        public ApplicationId getAppId(String name) {
-            return null;
-        }
+    private static class TestCoreService extends CoreServiceAdapter {
 
         @Override
         public ApplicationId registerApplication(String name) {
@@ -336,14 +308,15 @@
         }
 
         @Override
-        public ApplicationId registerApplication(String name,
-                                                 Runnable preDeactivate) {
-            return null;
-        }
-
-        @Override
         public IdGenerator getIdGenerator(String topic) {
-            return null;
+            return new IdGenerator() {
+                private AtomicLong counter = new AtomicLong(0);
+
+                @Override
+                public long getNewId() {
+                    return counter.getAndIncrement();
+                }
+            };
         }
     }
 
@@ -393,6 +366,11 @@
         }
 
         @Override
+        public ApplicationId getVirtualNetworkApplicationId(NetworkId networkId) {
+            return null;
+        }
+
+        @Override
         public void registerTenantId(TenantId tenantId) {
 
         }
@@ -479,53 +457,6 @@
     private static class TestTopologyService extends TopologyServiceAdapter {
 
         @Override
-        public void addListener(TopologyListener listener) {
-
-        }
-
-        @Override
-        public void removeListener(TopologyListener listener) {
-
-        }
-
-        @Override
-        public Topology currentTopology() {
-            return null;
-        }
-
-        @Override
-        public boolean isLatest(Topology topology) {
-            return false;
-        }
-
-        @Override
-        public TopologyGraph getGraph(Topology topology) {
-            return null;
-        }
-
-        @Override
-        public Set<TopologyCluster> getClusters(Topology topology) {
-            return null;
-        }
-
-        @Override
-        public TopologyCluster getCluster(Topology topology, ClusterId clusterId) {
-            return null;
-        }
-
-        @Override
-        public Set<DeviceId> getClusterDevices(Topology topology,
-                                               TopologyCluster cluster) {
-            return null;
-        }
-
-        @Override
-        public Set<Link> getClusterLinks(Topology topology,
-                                         TopologyCluster cluster) {
-            return null;
-        }
-
-        @Override
         public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) {
             DefaultPath path = new DefaultPath(PID, ImmutableList.of(LINK1),
                                                100, ANNOTATIONS);
@@ -541,58 +472,19 @@
         }
 
         @Override
-        public Set<DisjointPath> getDisjointPaths(Topology topology,
-                                                  DeviceId src, DeviceId dst) {
-            return null;
+        public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst,
+                                  LinkWeigher weigher) {
+            DefaultPath path = new DefaultPath(PID, ImmutableList.of(LINK1),
+                                               100, ANNOTATIONS);
+            return ImmutableSet.of(path);
         }
 
-        @Override
-        public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src,
-                                                  DeviceId dst, LinkWeight weight) {
-            return null;
-        }
-
-        @Override
-        public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src,
-                                                  DeviceId dst,
-                                                  Map<Link, Object> riskProfile) {
-            return null;
-        }
-
-        @Override
-        public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src,
-                                                  DeviceId dst, LinkWeight weight,
-                                                  Map<Link, Object> riskProfile) {
-            return null;
-        }
-
-        @Override
-        public boolean isInfrastructure(Topology topology,
-                                        ConnectPoint connectPoint) {
-            return false;
-        }
-
-        @Override
-        public boolean isBroadcastPoint(Topology topology,
-                                        ConnectPoint connectPoint) {
-            return false;
-        }
     }
 
-    private static class TestFlowRuleService implements FlowRuleService {
+    private static class TestFlowRuleService extends FlowRuleServiceAdapter {
         static Set<FlowRule> ruleCollection = new HashSet<>();
 
         @Override
-        public void addListener(FlowRuleListener listener) {
-
-        }
-
-        @Override
-        public void removeListener(FlowRuleListener listener) {
-
-        }
-
-        @Override
         public int getFlowRuleCount() {
             return ruleCollection.size();
         }
@@ -613,11 +505,6 @@
         }
 
         @Override
-        public void purgeFlowRules(DeviceId deviceId) {
-
-        }
-
-        @Override
         public void removeFlowRules(FlowRule... flowRules) {
             Set<FlowRule> candidates = new HashSet<>();
             for (FlowRule rule : flowRules) {
@@ -627,37 +514,5 @@
             }
             ruleCollection.removeAll(candidates);
         }
-
-        @Override
-        public void removeFlowRulesById(ApplicationId appId) {
-
-        }
-
-        @Override
-        public Iterable<FlowRule> getFlowRulesById(ApplicationId id) {
-            return null;
-        }
-
-        @Override
-        public Iterable<FlowEntry> getFlowEntriesById(ApplicationId id) {
-            return null;
-        }
-
-        @Override
-        public Iterable<FlowRule> getFlowRulesByGroupId(ApplicationId appId,
-                                                        short groupId) {
-            return null;
-        }
-
-        @Override
-        public void apply(FlowRuleOperations ops) {
-
-        }
-
-        @Override
-        public Iterable<TableStatisticsEntry>
-        getFlowTableStatistics(DeviceId deviceId) {
-            return null;
-        }
     }
 }
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
index 1391506..5e2b33b 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
@@ -111,6 +111,7 @@
         virtualNetworkManagerStore.activate();
 
         manager = new VirtualNetworkManager();
+        TestUtils.setField(manager, "coreService", coreService);
         TestUtils.setField(manager, "store", virtualNetworkManagerStore);
         TestUtils.setField(manager, "intentService", intentService);
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());