// Remove oldest sessions
            sessionCache.entrySet()
                    .stream()
                    .sorted((e1, e2) -> e1.getValue().getLastAccessedAt().compareTo(e2.getValue().getLastAccessedAt()))
                    .limit(toRemove)
                    .map(Map.Entry::getKey)
                    .collect(Collectors.toList())
                    .forEach(sessionCache::remove);

        this.createdAt = createdAt;
    }

    /**
     * Gets the last accessed timestamp.
     *
     * @return the last accessed timestamp
     */
    public LocalDateTime getLastAccessedAt() {
        return lastAccessedAt;
    }

    /**
     * Sets the last accessed timestamp.
     *
     * @param lastAccessedAt the last accessed timestamp
     */

        final LocalDateTime initialTime = session.getLastAccessedAt();

        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            // ignore
        }

        session.touch();

        assertTrue(session.getLastAccessedAt().isAfter(initialTime) || session.getLastAccessedAt().isEqual(initialTime));
    }

    @Test