ONOS-2184 - Implemented Virtual Network DeviceService and LinkService to use
VirtualNetwork service.

Change-Id: I695af440bc2fc5d688f8b9cf5201375bacd02e8a
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 837b501..7c3f9f8 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
@@ -57,10 +57,10 @@
  * Junit tests for VirtualNetworkManager.
  */
 public class VirtualNetworkManagerTest {
-    final String tenantIdValue1 = "TENANT_ID1";
-    final String tenantIdValue2 = "TENANT_ID2";
-    final String deviceIdValue1 = "DEVICE_ID1";
-    final String deviceIdValue2 = "DEVICE_ID2";
+    private final String tenantIdValue1 = "TENANT_ID1";
+    private final String tenantIdValue2 = "TENANT_ID2";
+    private final String deviceIdValue1 = "DEVICE_ID1";
+    private final String deviceIdValue2 = "DEVICE_ID2";
 
     private VirtualNetworkManager manager;
     private VirtualNetworkService virtualNetworkManagerService;