text: const requestMultipleUrls = require('./index');
  
  requestMultipleUrls([
    '',
    'https://ft-tech-test-example.s3-eu-west-1.amazonaws.com/gbp-hkd.json'
  ]).then(data => {
    console.log(JSON.stringify(data));
  })
    .catch(err => {
      console.error('Request was not successful', err);
      process.exit(1);
    });
  