@Override
    public void process(final byte[] arg0) throws AuthenticationException {
        if (this.throwExceptionOnProcess) {
            throw new AuthenticationException("not valid");
        }
    }
@author Marc-Antoine Garrigue
@author Arnaud Lesueur
@author Sven Rieckhoff
@since 5.2.0
support/cas-server-support-spnego/src/test/java/org/apereo/cas/support/spnego/MockUnsuccessfulJcifsAuthentication.java