@Override
        public void configure(Map<String, ?> configs, String saslMechanism, List<AppConfigurationEntry> jaasConfigEntries) {
        }
Digest-MD5 login module for multi-mechanism tests.
This login module uses the same format as PlainLoginModule and hence simply reuses the same methods.
clients/src/test/java/org/apache/kafka/common/security/authenticator/TestDigestLoginModule.java