public void setDelayTime(long delayTime) {
        this.delayTime = delayTime;
    }
@Test
    public void setDelayTime() {
        SAExposureConfig saExposureConfig = new SAExposureConfig(1,1,true);
        saExposureConfig.setDelayTime(2);
        assertEquals(2, saExposureConfig.getDelayTime(), 0.2);
    }