```
 public function createApplication()
   {
       $app = new ScrumMastorApplication(array('env' => 'test'));

       $app['debug'] = true;
       $app['exception_handler']->disable();
    
       // mock
       $app[mailling] = $this->getMockBuilder('ScrumMastor\Service\MaillingService')
           ->disableOriginalConstructor()
           ->getMock();

       return $app;
   }

```