public async Task SetupAsync()
{
await InitAutonomousTestAsync();
string transactionHash = await FactoryService.DeployContractAsync(
Web3, AddressFrom, new HexBigInteger(3905820));
TransactionReceipt receipt = await
Web3.Eth.Transactions.GetTransactionReceipt.
SendRequestAsync(transactionHash);
_factory = new FactoryService(Web3, receipt.ContractAddress);
}