message: Changed core test to follow the new keys protocol
diff: @@ -84,7 +84,7 @@ describe('Hedera Hashgraph:', function() {
  });
  const tx = await basecoin.signTransaction({
  - prv: key.getKeys().prv,
  + prv: key.getKeys().prv.toString(),
  txPrebuild: {
  txHex: unsignedTransaction.toBroadcastFormat(),
  },
  