Add unit tests in OpenstackNetworkingUtil class

Change-Id: Iadae6a52b22b7e36e4149fa0838bd245f2e5a96d
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
index a42bfcd..77759c3 100644
--- a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
@@ -34,7 +34,7 @@
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackPhyInterface;
 import org.onosproject.openstacknode.api.OpenstackSshAuth;
-import org.onosproject.openstacknode.impl.DefaultOpenstackAuth;
+import org.onosproject.openstacknode.api.DefaultOpenstackAuth;
 import org.onosproject.openstacknode.api.DefaultOpenstackNode;
 import org.onosproject.openstacknode.impl.DefaultOpenstackPhyInterface;
 import org.onosproject.openstacknode.impl.DefaultOpenstackSshAuth;