text: const tap = require('tap');
  const config = require('./lib/config');
  
  const max = 3;
  
  tap.test(
      'Random User-Agent Crawlers ('+max+')',
      (t) => {
          config.udgerParser.randomUACrawlers(max, (err, results) => {
              t.equal(err, null, 'should NOT return an error');
              t.equal(results.length, max, 'should return '+max+' results');
              t.end();
          });
      }
  );
  