cal.set(Calendar.HOUR_OF_DAY, 23);

        Date secondTestDate = cal.getTime();

        SimpleDateFormat format = new SimpleDateFormat(MavenBuildTimestamp.DEFAULT_BUILD_TIMESTAMP_FORMAT);
        format.setTimeZone(MavenBuildTimestamp.DEFAULT_BUILD_TIME_ZONE);
        assertEquals("1976-11-11T00:16:00Z", format.format(firstTestDate));
        assertEquals("1976-11-11T23:16:00Z", format.format(secondTestDate));