feature/use-case-acceptance-tests-3 (#119)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/119
Reviewed-by: Marc Sandlus <marc.sandlus@hostsharing.net>

src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipController.java

@@ -34,8 +34,8 @@ public class HsOfficeMembershipController implements HsOfficeMembershipsApi {
     public ResponseEntity<List<HsOfficeMembershipResource>> listMemberships(
             final String currentSubject,
             final String assumedRoles,
-            UUID partnerUuid,
-            Integer memberNumber) {
+            final UUID partnerUuid,
+            final Integer memberNumber) {
         context.define(currentSubject, assumedRoles);
 
         final var entities = ( memberNumber != null)