Update unit test

Author: slackerzz

lib/internal/Magento/Framework/View/Test/Unit/Page/ConfigTest.php

@@ -13,7 +13,7 @@
 use Magento\Framework\View\Page\Config;
 
 /**
- * @covers Magento\Framework\View\Page\Config
+ * @covers \Magento\Framework\View\Page\Config
  *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
@@ -137,6 +137,7 @@ public function testMetadata()
             'description' => null,
             'keywords' => null,
             'robots' => null,
+            'title' => null,
             'name' => 'test_value',
             'html_encoded' => '<title><span class="test">Test</span></title>',
         ];