b').sum(5, 5);
              return tx.send({
                  blocksBehind: 3,
                  expireSeconds: 30
              });
            }

            const testWithReturnValueTx = async (e) => {
              const expectedValue = 10;
              resultsLabel = e.target;
              resultsLabel.innerText = EXECUTING;

              try {
                transactionResponse = await returnValueTx();
              } catch (error) {
                resultsLabel.className = 'failed';
           