title: CiviCRM contribution page with authorize.net test payment always throws invalid login credentials
body: <p>I have setup the contribution page in civicrm with recurring payment. For payment processor I'm using authorize.net payment gateway. I entered correct API login ID, Transaction key, site url(<a href="https://secure.authorize.net/gateway/transact.dll" rel="nofollow">https://secure.authorize.net/gateway/transact.dll</a>) for test payment also(Please refer this link: <a href="https://support.authorize.net/authkb/index?page=content&amp;id=A415&amp;pmv=print&amp;impressions=false" rel="nofollow">https://support.authorize.net/authkb/index?page=content&amp;id=A415&amp;pmv=print&amp;impressions=false</a>). I'm getting error message like </p>
  
  <blockquote>
    <p>Payment Processor Error message 2: 13 (TESTMODE) The merchant login ID
    or password is invalid or the account is inactive.</p>
  </blockquote>
  
  <p>even though I given correct credentials. Please help where I'm missing.</p>
  
  <p>Note: I change my authorize.net account in test mode.</p>