objectManagerHelper = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this); $this->subject = $this->objectManagerHelper->getObject( \Magento\Analytics\Model\Config\Backend\Vertical::class ); } /** * @return void */ public function testBeforeSaveSuccess() { $this->subject->setValue('Apps and Games'); $this->assertInstanceOf( \Magento\Analytics\Model\Config\Backend\Vertical::class, $this->subject->beforeSave() ); } /** * @return void * @expectedException \Magento\Framework\Exception\LocalizedException */ public function testBeforeSaveFailedWithLocalizedException() { $this->subject->setValue(''); $this->subject->beforeSave(); } }