title: Connection error with mule salesforce connector
body: <p>trying to connect to salesforce sandbox with salesforce connector is resulting in following error,</p>
  
  <p>Test connection failed: Check authEndpoint. It must contain '/services/Soap/u/'. authEndpoint specified </p>
  
  <p>the url for connect is <a href="https://test.salesforce.com/services/Soap/c/29.0/" rel="nofollow">https://test.salesforce.com/services/Soap/c/29.0/</a>.</p>
  
  <p>the default connect url that appears on adaptor config is <a href="https://login.salesforce.com/services/Soap/u/28.0" rel="nofollow">https://login.salesforce.com/services/Soap/u/28.0</a>. </p>
  
  <p>has anyone faced a similar error. if yes is there a workaround.</p>
  
  <p>thanks 
  Santosh</p>