private void SetupCannotBroadcastTransaction()
{
var cantBroadcastTransactionEntry = new TransactionBroadcastEntry(_transactionHelpers.CreateEmpty(), BroadcastState.CantBroadcast, new MempoolError());
_broadcasterManager.Setup(callTo => callTo.GetTransaction(It.IsAny <uint256>())).Returns(cantBroadcastTransactionEntry);
}