public static List<String> wrapText(List<String> list, int columnWidth) {
        return list.stream()
                .map(line -> wrapText(line, columnWidth))
                .collect(toList());
    }
@Test
    public void testWrapText_String_int_zero() {
        Assertions.assertThrows(IllegalArgumentException.class, 
                () -> StringUtils.wrapText("test", -1));
    }