title: How i can to customize testRunner from testcafe framework?
body: <pre><code>I have my testRunner for tests.
  But the problem is -&gt; how i can add the browser resolution in test 
  </code></pre>
  
  <p>runner, because i don't want to add this to my tests.
      Thanks for help.</p>
  
  <pre><code>      runner
          .src(testFiles)
          .browsers('chrome')
          .reporter('html', stream)
          .run()
          .then(failedCount =&gt; {
            console.log(failedCount);
            testcafe.close();
  </code></pre>