@Test
public void testAddHavingString() throws ParseException {

	solutionModifier.addHaving("?having<10");
	assertContainsRegex(HAVING + OPEN_PAREN + var("having") + OPT_SPACE + LT + 10 + CLOSE_PAREN, query.toString());
	solutionModifier.addHaving("?having2");
	assertContainsRegex(
			HAVING + OPEN_PAREN + var("having") + OPT_SPACE + LT + 10 + CLOSE_PAREN + OPT_SPACE + var("having2"),
			query.toString());
}