YangInstanceIdentifierDeserializer fails on choice nodes

 container interfaces {
   choice interfaces-type {
     container type-gigabyte {
       action reset {
         input {
           leaf reset-at {
             type string;
             mandatory true;
           }
         }
       }
     }
   }
 }

while (current.isMixin()) {
  path.add(current.getIdentifier());
  current = current.getChild(qname);
  variables.setCurrent(current);
}

return current;