message: [tests] Always test now-cli
  Previously, only the changed package's tests would run.
  This PR makes sure that the changed package + `now-cli` tests run every time.
diff: @@ -26,12 +26,12 @@ async function main() {
  const changed = diff
  .split('\n')
  .filter(item => Boolean(item) && item.includes('packages/'))
  - .map(item => relative('packages', item).split('/')[0]);
  + .map(item => relative('packages', item).split('/')[0])
  + .concat('now-cli'); // Always run tests for Now CLI
  matches = Array.from(new Set(changed));
  if (matches.length === 0) {
  - matches.push('now-cli');
  matches.push('now-node');
  console.log('No packages changed. Using default packages.');
  }
  