System.out.println(bc.readStringByDelimiter("\r\n\r\n"));
for (int i = 0; i < 10; i++) {
bc.write(new byte[] { 0x00, 0x48, 0x65, (byte) 0xFF});
byte[] b = bc.readBytesByLength(4);
Assert.assertArrayEquals(new byte[] { 0x00, 0x48, 0x65, (byte) 0xFF}, b);
QAUtil.sleep(250);
}