public void setStayDuration(double stayDuration) {
        this.stayDuration = stayDuration;
    }
@Test
    public void setStayDuration() {
        SAExposureConfig saExposureConfig = new SAExposureConfig(1,1,true);
        saExposureConfig.setStayDuration(2);
        assertEquals(2, saExposureConfig.getStayDuration(), 0.2);
    }