Thread.currentThread().interrupt();
        }

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

    @Test
    void testMetrics() {
        assertEquals(0, channelInfo.getBytesSent());
        assertEquals(0, channelInfo.getBytesReceived());