@Override
    protected String getMultifactorEventId() {
        return DuoSecurityMultifactorAuthenticationProperties.DEFAULT_IDENTIFIER;
    }
This is {@link DuoSecurityMultifactorWebflowConfigurerTests}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-duo/src/test/java/org/apereo/cas/adaptors/duo/web/flow/DuoSecurityUniversalPromptMultifactorWebflowConfigurerTests.java