            resultsLabel.className = 'failed';
                resultsLabel.innerText = FAILED;
                return false;
            }
            
            const rpcShouldFail = async () => await rpc.get_block_info(-1);
        
            const testRpcShouldFail = async (e) => {
                resultsLabel = e.target;
                resultsLabel.innerText = EXECUTING;
        
                try {
                    await rpcShouldFail();
                } catch (e) {
                    if (