public function testApplyInvalid()
{
$this->assertEmpty($this->_model->getData('price_range'));
/** @var $objectManager \Magento\TestFramework\ObjectManager */
$objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
/** @var $request \Magento\TestFramework\Request */
$request = $objectManager->get('Magento\\TestFramework\\Request');
$request->setParam('price', 'non-numeric');
$this->_model->apply($request);
$this->assertEmpty($this->_model->getData('price_range'));
}
