Refactor with adding unit test for OpenstackNetworkingUtil

Change-Id: Ie116b9215fb53ecc6a06d75da6d29ef2f2cb1d6a
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/web/OpenstackNetworkWebResource.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/web/OpenstackNetworkWebResource.java
index 25d239c..3fe4b8c 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/web/OpenstackNetworkWebResource.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/web/OpenstackNetworkWebResource.java
@@ -38,7 +38,7 @@
 import static javax.ws.rs.core.Response.created;
 import static javax.ws.rs.core.Response.noContent;
 import static javax.ws.rs.core.Response.status;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.jsonToModelEntity;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.jsonToModelEntity;
 
 /**
  * Handles REST API call of Neutron ML2 plugin.