endLatch.await();

        // All rules should be removed
        assertEquals(100, removeCount.get());
    }

    /**
     * Test mixed operations
     */
    public void test_mixedOperations() {
        TestRule rule1 = new TestRule("rule1", false);
        TestRule rule2 = new TestRule("rule2", true);
        TestRule rule3 = new TestRule("rule3", false);