ONOS-6886 Move interface classes from incubator to core

Change-Id: Iaae4d98279e4b77fc3f0b5a63d547921f93aeb46
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/NeighbourResolutionManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/NeighbourResolutionManagerTest.java
index edc1adb..78459c2 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/NeighbourResolutionManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/NeighbourResolutionManagerTest.java
@@ -27,7 +27,7 @@
 import org.onosproject.cfg.ComponentConfigAdapter;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
-import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.net.intf.Interface;
 import org.onosproject.incubator.net.neighbour.NeighbourHandlerRegistration;
 import org.onosproject.incubator.net.neighbour.NeighbourMessageContext;
 import org.onosproject.incubator.net.neighbour.NeighbourMessageHandler;