public void test_getDataStoreNames_caching() {
        // Mock the loadDataStoreNameList to control behavior
        final int[] loadCount = { 0 };
        DataStoreFactory testFactory = new DataStoreFactory() {
            @Override
            protected List<String> loadDataStoreNameList() {
                loadCount[0]++;
                return List.of("Store1", "Store2");
            }
        };

        // First call should load