}

    // Test load with multiple chains (chained loading)
    public void test_load_multipleChains() {
        User user = createTestUser("user0");
        User user1 = createTestUser("user1");
        User user2 = createTestUser("user2");
        User user3 = createTestUser("user3");

        TestAuthenticationChain chain1 = new TestAuthenticationChain();

        TestAuthenticationChain chain = new TestAuthenticationChain();
        User user1 = createTestUser("user1", "User One");
        User user2 = createTestUser("user2", "User Two");
        User result1 = createTestUser("result1", "Result One");
        User result2 = createTestUser("result2", "Result Two");

        chain.loadResult = result1;
        User returnedUser1 = chain.load(user1);