void testActivityTracking() {
        long initialTime = channelInfo.getLastActivityTime();

        // Wait a bit and update activity
        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }

        channelInfo.updateActivity();
        assertTrue(channelInfo.getLastActivityTime() > initialTime);
        assertTrue(channelInfo.getIdleTime() >= 0);

        return establishedTime;
    }

    /**
     * Get the last activity time
     *
     * @return last activity time in milliseconds
     */
    public long getLastActivityTime() {
        return lastActivityTime;
    }

    /**
     * Update activity timestamp
     */
    public void updateActivity() {
        this.lastActivityTime = System.currentTimeMillis();
    }

        channel.addBytesSent(1024);
        channel.updateActivity();

        assertEquals(1, channel.getRequestsSent());
        assertEquals(1024, channel.getBytesSent());
        assertTrue(channel.getLastActivityTime() > 0);
    }

    @Test
    void testChannelFailover() throws Exception {
        // Test failover mechanism
        ChannelFailover failover = new ChannelFailover(channelManager);

            return failureCount.get();
        }

        public long getFirstConnectionTime() {
            return firstConnectionTime;
        }

        public long getLastActivityTime() {
            return lastActivityTime;
        }

        public double getSuccessRate() {
            long total = successCount.get() + failureCount.get();