/**
  * Creates a test class.
  *
  * @param ontology
  * @param parent
  * @param id
  * @param label
  * @param comment
  */
 private SrampOntology.Class createClass(
     SrampOntology ontology, SrampOntology.Class parent, String id, String label, String comment) {
   SrampOntology.Class rval = ontology.createClass(id);
   rval.setParent(parent);
   rval.setComment(comment);
   rval.setLabel(label);
   return rval;
 }