dataStore.stop();
        dataStore.stop();
        dataStore.stop();

        assertEquals(3, stopCallCount.get());
    }

    @Test
    public void test_store_and_stop_lifecycle() {
        // Test full lifecycle: store then stop
        final AtomicBoolean storeCalled = new AtomicBoolean(false);
        final AtomicBoolean stopCalled = new AtomicBoolean(false);