public function testOgSiteName()
 {
     $metaData = new MetaData();
     $this->assertTrue(is_array($metaData->get()));
     $this->assertTrue(empty($metaData->get()));
     $this->assertFalse($metaData->getOgSiteName());
     $this->assertInstanceOf(BaseMetaData::class, $metaData->setOgSiteName('site-name'));
     $this->assertEquals(['site-name'], $metaData->getOgSiteName());
 }