private BuildCreateContractTransactionResponse SetupSuccessfulBuildCreateContractTransactionRequest()
{
var buildCreateTransactionResponse = _transactionHelpers.CreateSuccessfulBuildCreateContractTransactionResponse();
_smartContractTransactionService
.Setup(callTo => callTo.BuildCreateTx(It.IsAny <BuildCreateContractTransactionRequest>()))
.Returns(buildCreateTransactionResponse);
return(buildCreateTransactionResponse);
}