@Test
public void testSetApduRequestCase1() {

  // case 1: dataIn = null, le = null
  Iso7816CommandBuilder iso7816CommandBuilder =
      new Iso7816CommandBuilder(CommandRef.COMMAND_1, null);
  ApduRequest apduRequest =
      iso7816CommandBuilder.setApduRequest(
          (byte) 0xCC, CommandRef.COMMAND_1, (byte) 0xB1, (byte) 0xB2, null, null);
  logger.info("APDU case1: {}", ByteArrayUtil.toHex(apduRequest.getBytes()));
  Assert.assertArrayEquals(ByteArrayUtil.fromHex("CC 11 B1 B2 00"), apduRequest.getBytes());
  Assert.assertFalse(apduRequest.isCase4());
}