assertEquals(0L, configHelper.reloadInterval);

        configHelper.setReloadInterval(-1L);
        assertEquals(-1L, configHelper.reloadInterval);
    }

    @Test
    public void test_waitForNext_withPositiveInterval() throws InterruptedException {
        configHelper.setReloadInterval(20L);

        long startTime = System.currentTimeMillis();
        configHelper.waitForNext();