private DecodableCipher<String, String> getAccessTokenDecodingCipher(final RegisteredService registeredService) {
        return OAuth20JwtAccessTokenEncoder.toDecodableCipher(oidcAccessTokenJwtBuilder, registeredService);
    }
This is {@link OidcJwtAccessTokenEncoderTests}.

@author Misagh Moayyed
@since 6.1.0
support/cas-server-support-oidc/src/test/java/org/apereo/cas/oidc/token/OidcJwtAccessTokenEncoderTests.java