public void MappAddress_Maps_PrimaryAddres()
        {
            mContractState.Setup(x => x.Message).Returns(new Message(contractAddress, primaryAddress, 0));

            var contract = new AddressMapper(mContractState.Object, ownerAddress);

            contract.MapAddress(secondaryAddress);

            Assert.Equal(new MappingInfo {
                Primary = primaryAddress, Status = (int)Status.Pending
            }, state.GetStruct <MappingInfo>($"MappingInfo:{secondaryAddress}"));
        }