@Test
public void testAddFilter() throws ParseException {

	handler.addFilter("?one < 10");
	handler.build();
	
	assertContainsRegex(WHERE + OPEN_CURLY + "FILTER" + OPT_SPACE + OPEN_PAREN + var("one") + OPT_SPACE + LT
			+ OPT_SPACE + "10" + CLOSE_PAREN + CLOSE_CURLY, query.toString());
}