byte[] testMac = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66 };
        System.arraycopy(testMac, 0, src, srcIndex + 19, 6);

        // Statistics (6 bytes)
        byte[] testStats = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
        System.arraycopy(testStats, 0, src, srcIndex + 25, 6);

        int result = response.readRDataWireFormat(src, srcIndex);
        assertEquals(31, result);