stats.recordRdmaRead(1024, 1000000); // 1KB in 1ms
        stats.recordRdmaWrite(2048, 2000000); // 2KB in 2ms
        stats.recordRdmaSend(512, 500000); // 512B in 0.5ms
        stats.recordRdmaReceive(1536, 1500000); // 1.5KB in 1.5ms
        stats.recordError();

        // Verify counters
        assertEquals(1, stats.getRdmaReads(), "Should have 1 read operation");

        Thread.sleep(10); // Small delay to ensure different timestamps
        Smb2LeaseKey key2 = leaseManager.requestLease(path2, Smb2LeaseState.SMB2_LEASE_WRITE_CACHING);

        // Clean up leases older than 5ms
        int cleaned = leaseManager.cleanupExpiredLeases(5);

        // At least the first lease should be cleaned
        assertTrue(cleaned >= 1);

        // Check if old lease was removed