public async Task TestAddGetOwnedCertificateAsync() { string transactionHash = null; try { transactionHash = await _attribute.AddCertificateAsync(AddressFrom, _attributeOwnedCertificate.GetAddress(), new HexBigInteger(3905820)); } catch (RpcResponseException e) { Assert.Fail(); } Assert.NotNull(transactionHash); string callResult = await _attribute.GetCertificateAsyncCall(AddressFrom); Assert.AreEqual(callResult, _attributeOwnedCertificate.GetAddress()); }