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')); }