dataStoreFactory.add("store", dataStore2);
        assertSame(dataStore2, dataStoreFactory.getDataStore("store"));
    }

    // Test getDataStoreNames with caching
    @Test
    public void test_getDataStoreNames_caching() {
        // Mock the loadDataStoreNameList to control behavior
        final int[] loadCount = { 0 };
        DataStoreFactory testFactory = new DataStoreFactory() {
            @Override