title: Download a file protractor test case
body: <p>I am writting a protractor test case to download a file which can be of any type.</p>
  
  <ul>
  <li>Scenario: Download a file</li>
  <li>Step 1: Click on the Download Link</li>
  <li>Step 2: Check whether the file is downloaded or not</li>
  </ul>
  
  <p>How do i check if the file is downloaded correctly or not?</p>