@Override
    public void traceStartBlock(
        final BlockHeader blockHeader, final BlockBody blockBody, final Address miningBeneficiary) {
      if (!traceStartBlockCalled.add(blockHeader.getBlockHash())) {
        fail("traceStartBlock already called for block " + blockHeader);
      }
    }
The blockchain for testing has a height of 32 and the account
0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b makes a transaction per block. So, in the head, the
nonce of this account should be 32.
app/src/test/java/org/hyperledger/besu/services/TraceServiceImplTest.java