IdBatchAndWaitTime newIdBaseLocal(int batchSize) {
        return newIdBaseLocal(Clock.currentTimeMillis(), getNodeId(), batchSize);
    }
@Test
    public void when_fewIds_then_noWaitTime() {
        assertEquals(0, gen.newIdBaseLocal(1516028439000L, 1234, 100).waitTimeMillis);
    }