args.mapPut("childEntity.value", firstChildRepr);
RestfulResponse<JsonRepresentation> invokeResp = client.follow(invokeLinkRepr, args);
@SuppressWarnings("unused")
JsonRepresentation invokeRepr = invokeResp.getEntity();
final HttpStatusCode status = invokeResp.getStatus();
assertThat(status, is(HttpStatusCode.OK));
// then
childrenRestfulResponse =
RestfulResponse.ofT(objectResource.accessCollection("PRNT", "53", "children"));