diff --git a/core/tests/Drupal/Tests/Core/Routing/AccessAwareRouterTest.php b/core/tests/Drupal/Tests/Core/Routing/AccessAwareRouterTest.php
index a106204..550a05e 100644
--- a/core/tests/Drupal/Tests/Core/Routing/AccessAwareRouterTest.php
+++ b/core/tests/Drupal/Tests/Core/Routing/AccessAwareRouterTest.php
@@ -99,6 +99,8 @@ public function testMatchRequestDenied() {
 
   /**
    * Ensure that methods are passed to the wrapped router.
+   *
+   * @covers Drupal\Core\Routing\AccessAwareRouter::__call
    */
   public function testCall() {
     $mock_router = $this->getMock('Symfony\Component\Routing\RouterInterface');