assertNull(testLdapManager.changePasswordUsername);
        assertNull(testLdapManager.changePasswordPassword);
        assertTrue(testLdapManager.changePasswordCalled);
    }

    @Test
    public void test_load() {
        // Test load method
        User user = createTestUser("testuser", "password123");

        User result = ldapChain.load(user);

        assertSame(user, result);