@Test
public void testReleaseNonExistingLock(TestContext context){

    Async async = context.async();
    context.assertFalse(jedis.exists(lockKey(lock_1)));
    redisBasedLock.releaseLock(lock_1, token_1).setHandler(event -> {
        context.assertTrue(event.succeeded());
        context.assertFalse(event.result());
        context.assertFalse(jedis.exists(lockKey(lock_1)));
        async.complete();
    });
}