@Test
  public void encodingMatchesKnownRawHexString() {
    final Bytes expectedRawDecoding = Bytes.fromHexString(RAW_HEX_ENCODING_STRING);
    assertThat(bftExtraDataEncoder.encode(DECODED_EXTRA_DATA_FOR_RAW_HEX_ENCODING_STRING))
        .isEqualTo(expectedRawDecoding);
  }
This test specifically verifies that {@link IbftExtraDataCodec#decode(BlockHeader)} uses {@link
RLPInput#readInt()} rather than {@link RLPInput#readIntScalar()} to decode the round number
consensus/ibft/src/test/java/org/hyperledger/besu/consensus/ibft/IbftExtraDataRLPEncoderTest.java