final User user = new User();
        user.setOriginalPassword("secretpassword");
        assertEquals("secretpassword", user.getOriginalPassword());

        user.clearOriginalPassword();
        assertNull(user.getOriginalPassword());
    }

    @Test
    public void test_user_getId() {
        final User user = new User();
        assertNull(user.getId());

    protected String[] targetUsers;

    @Override
    public void update(final User user) {
        final String username = user.getName();
        final String password = user.getOriginalPassword();
        changePassword(username, password);
    }

    @Override
    public void delete(final User user) {
        final String username = user.getName();
        if (isTargetUser(username)) {