title: Robot Framework: Open a chrome browser without launching URL
body: <p>I want to open a chrome browser in Robot framework which has no URL launched in it. </p>
  
  <p>for ex : </p>
  
  <pre><code>'Open Browser | http://google.com | chrome'
  </code></pre>
  
  <p>will open chrome browser and launch the google page.</p>
  
  <p>I want to open a chrome browser with no URL launched.
  I have tried the below two things,</p>
  
  <pre><code>'Open Browser | ${EMPTY} | chrome'
  
  'Open Browser | NONE | chrome'
  </code></pre>
  
  <p>They above works, it opens an empty browser , but in the result the test fails. Please can somebody give an input on this</p>