public void test_intervalRule_getDelay() {
        IntervalRule rule = new IntervalRule("10:00", "18:00", "*", 5000);
        assertEquals(5000, rule.getDelay());

        rule = new IntervalRule("10:00", "18:00", "*", 0);
        assertEquals(0, rule.getDelay());
    }

    public void test_intervalRule_isTarget_sameDay() {
        IntervalRule rule = new IntervalRule("10:00", "18:00", "*", 1000);

        // Within range

    }

    /** Wait time in milliseconds when crawler is not running */
    protected long crawlerWaitMillis = 10000;

    /** List of interval rules for controlling crawler timing */
    protected List<IntervalRule> ruleList = new ArrayList<>();

    /**
     * Checks the crawler status and waits if the crawler is not running.
     * This method blocks until the crawler is running again.
     */