public void validateEmail() throws ValidationException {
        validate(Validator.lengthValidator(255), getEmail());
        validate(Validator.emailValidator(), getEmail());
    }
@Test
    void shouldValidateEmailLesserThan255() throws Exception {
        user = new User("UserName", new String[]{"Jez,Pavan"}, "user@mail.com", true);
        user.validateEmail();
    }