public Node parse() throws ScanException {
        return E();
    }
@Test
    public void lbcore193() throws Exception {
        try {
            Parser<Object> p = new Parser<>("hello%(abc");
            p.setContext(context);
            p.parse();
            Assertions.fail("where the is exception?");
        } catch (ScanException ise) {
            Assertions.assertEquals("Expecting RIGHT_PARENTHESIS token but got null", ise.getMessage());
        }
        StatusChecker sc = new StatusChecker(context);
        sc.assertContainsMatch("Expecting RIGHT_PARENTHESIS");
        sc.assertContainsMatch("See also " + Parser.MISSING_RIGHT_PARENTHESIS);
    }