diff --git a/core/tests/Drupal/Tests/Core/Entity/EntityManagerTest.php b/core/tests/Drupal/Tests/Core/Entity/EntityManagerTest.php
index ea07604..5dcc35b 100644
--- a/core/tests/Drupal/Tests/Core/Entity/EntityManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/EntityManagerTest.php
@@ -35,6 +35,8 @@ class EntityManagerTest extends UnitTestCase {
   protected $entityManager;
 
   /**
+   * The plugin discovery.
+   *
    * @var \Drupal\Component\Plugin\Discovery\DiscoveryInterface|\PHPUnit_Framework_MockObject_MockObject
    */
   protected $discovery;
@@ -208,6 +210,8 @@ public function providerTestGetDefinition() {
   }
 
   /**
+   * Tests the getDefinition() method with an invalid definition.
+   *
    * @expectedException \Drupal\Component\Plugin\Exception\UnknownPluginException
    */
   public function testGetDefinitionInvalidException() {
@@ -217,6 +221,8 @@ public function testGetDefinitionInvalidException() {
   }
 
   /**
+   * Tests the hasController() method.
+   *
    * @dataProvider providerTestHasController
    */
   public function testHasController($entity_type_id, $expected) {