Assignments Controller test + authj test fix

buisnesslogic/src/main/java/com/plannaplan/services/CommisionService.java

@@ -30,7 +30,7 @@ public class CommisionService {
     }
 
     public Optional<Commision> getNewestCommision(User user) {
-        return Optional.of(this.repo.getNewestCommision(user.getId()).get(0));
+        return this.repo.getNewestCommision(user.getId()).stream().findFirst();
     }
 
     public long getCommisionsAmmount() {