title: How to open Firefox 53 on Robot Framework
body: <p>I'm trying to open Firefox 53 using Robot framework (Ride.py). Unfortunately, It gives me the following error</p>
  
  <blockquote>
    <p>Demo                                                                  </p>
    
    <p>=========================================================================================================== </p>
    
    <p>Sample Test<br>
    | FAIL | SessionNotCreatedException: Message: Unable to find a matching set of capabilities</p>
    
    <hr>
    
    <p>Demo<br>
    | FAIL | 1 critical test, 0 passed, 1 failed 1 test total, 0 passed, 1 failed</p>
    
    <p>===========================================================================================================</p>
  </blockquote>
  
  <p>My Robot script looks like this</p>
  
  <pre><code>*** Settings ***
  Library           Selenium2Library
  
  *** Test Case ***
  Sample Test
      Open Browser
      Check Title
      [Teardown]    Close Browser
  
  *** Keywords ***
  Open Browser
      open browser    https://google.lk    Firefox
      Maximize Browser Window
  
  Check Title
      Title Should Be    Google`
  </code></pre>
  
  <p>Can someone give me an answer? It's working with the chrome driver ( I have added the geckodriver at the same location.</p>