assertTrue("Load method should be called within 5 seconds", latch.await(5, TimeUnit.SECONDS));
        assertEquals(1, configHelper.getLoadCallCount());
    }

    public void test_update_multipleCallsIncrementLoadCount() throws InterruptedException {
        CountDownLatch latch = new CountDownLatch(3);
        configHelper.setLoadCallback(() -> {
            latch.countDown();
            return 1;
        });