465a466,500
> 
> 
> class UserAutocompleteTestCase extends DrupalWebTestCase {
>   /**
>    * Implementation of getInfo().
>    */
>   function getInfo() {
>     return array(
>       'name' => t('User autocomplete'),
>       'description' => t('Test that user autocomplete contains the user name.'),
>       'group' => t('User')
>     );
>   }
> 
>   function setUp() {
>     parent::setUp();
> 
>     $this->user = $this->drupalCreateUser();
>     // username is: $this->user->name 
>     
>     $this->admin_user = $this->drupalCreateUser(array('administer nodes'));     
>   }
> 
>   function testAutocomplete() {
>       
>     $this->drupalLogin($this->admin_user);
>     $username_firstchar = $this->user->name[0];  
>     $this->drupalGet('user/autocomplete/'. $username_firstchar);
>     
>     // so far this is returning an access denied
>     //file_put_contents('/Users/joachim/Sites/drupal-7/modules/node/tmpfile.html', $this->_content);
>     
>     $this->assertText($this->user->name, 'The username appeared in the autocomplete list.');    
>   } 
> }