* @param roles The roles.
         */
        public SamlUser(final String nameId, final String sessionIndex, final String nameIdFormat, final String nameidNameQualifier,
                final String nameidSPNameQualifier, final String[] groups, final String[] roles) {
            this.nameId = nameId;
            this.sessionIndex = sessionIndex;
            this.nameIdFormat = nameIdFormat;

        CountDownLatch latch = new CountDownLatch(sessionCount);

        for (int i = 0; i < sessionCount; i++) {
            final int sessionIndex = i;
            executor.submit(() -> {
                try {
                    String sessionId = "concurrent-session-" + sessionIndex;
                    byte[] salt = preauthService.generatePreauthSalt();