}

    @Test
    public void testEqualsWithPassword() {
        NtlmPasswordAuthenticator auth1 = new NtlmPasswordAuthenticator("DOMAIN", "user", "pass123");
        NtlmPasswordAuthenticator auth2 = new NtlmPasswordAuthenticator("DOMAIN", "user", "pass123");
        NtlmPasswordAuthenticator auth3 = new NtlmPasswordAuthenticator("DOMAIN", "user", "differentPass");

        User user2 = createTestUser("user2", "User Two");

        // Perform various operations
        chain.update(user1);
        chain.delete(user2);
        chain.changePassword("user3", "pass3");
        chain.load(user1);

        // Verify state tracking
        assertEquals(1, chain.updateCalls.size());
        assertEquals(1, chain.deleteCalls.size());