diff --git a/core/api/src/test/java/org/onosproject/net/TestDeviceParams.java b/core/api/src/test/java/org/onosproject/net/TestDeviceParams.java
index 1d54082..8116f05 100644
--- a/core/api/src/test/java/org/onosproject/net/TestDeviceParams.java
+++ b/core/api/src/test/java/org/onosproject/net/TestDeviceParams.java
@@ -35,6 +35,8 @@
     protected static final ProviderId PID = new ProviderId("of", "foo");
     protected static final DeviceId DID1 = deviceId("of:foo");
     protected static final DeviceId DID2 = deviceId("of:bar");
+    protected static final DeviceId DID3 = deviceId("of:who");
+    protected static final DeviceId DID4 = deviceId("of:what");
     protected static final MacAddress MAC1 = MacAddress.valueOf("00:11:00:00:00:01");
     protected static final MacAddress MAC2 = MacAddress.valueOf("00:22:00:00:00:02");
     protected static final VlanId VLAN1 = VlanId.vlanId((short) 11);