diff --git a/core/modules/views/tests/src/Unit/ViewsHandlerManagerTest.php b/core/modules/views/tests/src/Unit/ViewsHandlerManagerTest.php
index c1c8010..90aa070 100644
--- a/core/modules/views/tests/src/Unit/ViewsHandlerManagerTest.php
+++ b/core/modules/views/tests/src/Unit/ViewsHandlerManagerTest.php
@@ -14,11 +14,13 @@
  * Tests the ViewsHandlerManager class.
  *
  * @group views
+ *
+ * @coversDefaultClass \Drupal\views\Plugin\ViewsHandlerManager
  */
 class ViewsHandlerManagerTest extends UnitTestCase {

   /**
-   * @var \Drupal\views\Plugin\ViewsHandlerManager|
+   * @var \Drupal\views\Plugin\ViewsHandlerManager
    */
   protected $handlerManager;

@@ -41,6 +43,8 @@ public function setUp() {

   /**
    * Tests that hook_views_handlers_TYPE_alter() is invoked.
+   *
+   * @covers ::__construct
+   * @covers ::getDefinitions
    */
   public function testAlterHookInvokation() {
     $this->moduleHandler->expects($this->once())