*/
    public void test_register_middleIndex() {
        // Pre-add some rules
        TestAbstractRule rule1 = new TestAbstractRule();
        rule1.setRuleId("rule1");
        ruleManager.addRule(rule1);

        TestAbstractRule rule2 = new TestAbstractRule();
        rule2.setRuleId("rule2");
        ruleManager.addRule(rule2);

        // Register at index 1