/**
  * @param string $message
  * @param mixed  $errors
  */
 public function __construct($message = '', $errors = null)
 {
     parent::__construct(503, $message, $errors);
 }
 public function testAlwaysContainDefaultMessage()
 {
     $exception = new ServerErrorException(501);
     $this->assertContains('A server error occurred', $exception->getMessage());
 }