private BuildCallContractTransactionResponse SetupSuccessfulBuildCallContractTransactionRequest()
{
var buildCallTransactionResponse = _transactionHelpers.CreateSuccessfulBuildCallContractTransactionResponse();
_smartContractTransactionService
.Setup(callTo => callTo.BuildCallTx(It.IsAny <BuildCallContractTransactionRequest>()))
.Returns(buildCallTransactionResponse);
return(buildCallTransactionResponse);
}