@Bean
        public MultifactorAuthenticationProvider yubikeyProvider() {
            return new YubiKeyMultifactorAuthenticationProvider();
        }
This is {@link BaseYubiKeyActionTests}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-yubikey-core/src/test/java/org/apereo/cas/adaptors/yubikey/web/flow/BaseYubiKeyActionTests.java