public function testHasChildren()
 {
     $this->_model->load(3);
     $this->assertTrue($this->_model->hasChildren());
     $this->_model->load(5);
     $this->assertFalse($this->_model->hasChildren());
 }
 /**
  * {@inheritdoc}
  */
 public function hasChildren()
 {
     $pluginInfo = $this->pluginList->getNext($this->subjectType, 'hasChildren');
     if (!$pluginInfo) {
         return parent::hasChildren();
     } else {
         return $this->___callPlugins('hasChildren', func_get_args(), $pluginInfo);
     }
 }