private static Cache<URI, byte[]> getCache() {
            return Caffeine.newBuilder()
                .maximumSize(1000)
                .expireAfterWrite(Beans.newDuration("PT1H"))
                .build();
        }
Test cases for {@link LdaptiveResourceCRLFetcher}

@author Misagh Moayyed
@since 4.1
support/cas-server-support-x509/src/test/java/org/apereo/cas/adaptors/x509/authentication/ldap/LdaptiveResourceCRLFetcherTests.java