// Trigger cache refresh by setting old time
        testFactory.lastLoadedTime = System.currentTimeMillis() - 70000L;

        // One thread updates
        Thread updater = new Thread(() -> {
            testFactory.getDataStoreNames();
        });

        updater.start();
        updater.join();

        // Multiple threads read the lastLoadedTime
        for (int i = 0; i < 10; i++) {