public function testToolbarItemSize()
 {
     $this->assertSame('toolbar_items_size: "small",', $this->helper->getToolbarItemSize());
 }
 /**
  * @param $instance
  *
  * @return mixed
  */
 public function renderToolbarItemSize($instance)
 {
     return $this->helper->getToolbarItemSize($instance);
 }