@Test
 public void testTimeToNextExecution() throws Exception {
   DateTime now = truncateToSeconds(DateTime.now());
   DateTime expected = truncateToSeconds(now.plusSeconds(1));
   ExecutionTime executionTime = ExecutionTime.forCron(quartzCronParser.parse(EVERY_SECOND));
   assertEquals(new Interval(now, expected).toDuration(), executionTime.timeToNextExecution(now));
 }