public function testAddHandle()
{
$handle = 'test_handle';
$layoutProcessor = $this->getMock('Magento\\Framework\\View\\Layout\\ProcessorInterface');
$layoutProcessor->expects($this->once())->method('addHandle')->with($handle);
$this->layout->expects($this->once())->method('getUpdate')->will($this->returnValue($layoutProcessor));
$this->model->addHandle($handle);
}
/**
* Prepare layout
*
* @return $this
*/
protected function _prepareLayout()
{
$this->priceLayout->addHandle($this->getPriceRenderHandle());
$this->priceLayout->loadLayout();
return parent::_prepareLayout();
}