assertThat(r, is(not(nullValue())));
final KamHandle handle = loadKam(kamName);
EdgeFilter f = factory.createEdgeFilter();
RelationshipTypeFilterCriteria c = factory
.createRelationshipTypeFilterCriteria();
c.getValueSet().add(r);
f.getRelationshipCriteria().add(c);
final FindKamEdgesRequest ereq = factory.createFindKamEdgesRequest();
ereq.setFilter(f);
ereq.setHandle(handle);