/**
  *
  */
 public function testNotifyWithBreak()
 {
     $observable = new Observable();
     $observable->attachObserver('foo', function () {
         return false;
     });
     $observable->attachObserver('foo', function () {
         return 'foo';
     });
     $observable->attachObserver('foo', function () {
         return 'bar';
     });
     $this->assertEquals([false], $observable->notifyFooWithBreak());
 }