protected OAuthRegisteredService addRegisteredService(final boolean generateRefreshToken,
                                                          final Set<OAuth20GrantTypes> grantTypes) {
        return addRegisteredService(generateRefreshToken, grantTypes, CLIENT_SECRET);
    }
This is {@link AbstractOAuth20Tests}.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-oauth/src/test/java/org/apereo/cas/AbstractOAuth20Tests.java