public function testEventHelpersAreCreatedByDefault()
 {
     DynamicModel::clearDynamicMethods();
     $machine = with(new StateMachine('NonDynamicModel'))->setStateAttributeName('status')->setOptions(['helpers' => false]);
     $machine->addState('stopped');
     $machine->addState('running');
     $events = ['start', 'stop'];
     foreach ($events as $event) {
         $machine->addEvent($event, []);
         $this->assertFalse(DynamicModel::hasDynamicMethod('can' . ucfirst($event)));
         $this->assertFalse(DynamicModel::hasDynamicMethod($event));
     }
 }