@Test
public void testClassAttribute()
throws TokenMgrError, ParseException, MalformedQueryException,
VisitorException {

  final String q = "SELECT * { ?s a < }";
  ast = SyntaxTreeBuilder.parseQuery(q);
  POFMetadata meta = PofNodesMetadata.retrieve(ast);
  assertCursor(meta.pofClassAttribute, 0, 0, 15, 15);
}