tests and bean loader hot fix
diff --git a/src/main/java/de/ids_mannheim/korap/interfaces/db/ResourceOperationIface.java b/src/main/java/de/ids_mannheim/korap/interfaces/db/ResourceOperationIface.java
index 43124a0..565ceec 100644
--- a/src/main/java/de/ids_mannheim/korap/interfaces/db/ResourceOperationIface.java
+++ b/src/main/java/de/ids_mannheim/korap/interfaces/db/ResourceOperationIface.java
@@ -8,7 +8,6 @@
 
 import java.util.Collection;
 import java.util.List;
-import java.util.Set;
 
 // todo: for transaction to work this should go into core module!?!
 // todo: user instance only required for auditing pointcut operations
diff --git a/src/main/java/de/ids_mannheim/korap/interfaces/db/UserDataDbIface.java b/src/main/java/de/ids_mannheim/korap/interfaces/db/UserDataDbIface.java
index 5b0cf0e..a475dae 100644
--- a/src/main/java/de/ids_mannheim/korap/interfaces/db/UserDataDbIface.java
+++ b/src/main/java/de/ids_mannheim/korap/interfaces/db/UserDataDbIface.java
@@ -1,5 +1,6 @@
 package de.ids_mannheim.korap.interfaces.db;
 
+import de.ids_mannheim.korap.config.KustvaktTypeInterface;
 import de.ids_mannheim.korap.exceptions.KustvaktException;
 import de.ids_mannheim.korap.user.User;
 import de.ids_mannheim.korap.user.Userdata;
@@ -8,7 +9,8 @@
  * @author hanl
  * @date 27/01/2016
  */
-public interface UserDataDbIface<T extends Userdata> {
+public interface UserDataDbIface<T extends Userdata> extends
+        KustvaktTypeInterface<T> {
 
     public int store (T data) throws KustvaktException;