diff --git a/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php b/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
index bb499e3..c0352cf 100644
--- a/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
+++ b/core/modules/rest/tests/src/Kernel/RequestHandlerTest.php
@@ -1,6 +1,5 @@
 <?php
 
-
 /**
  * @file
  * Contains \Drupal\Tests\rest\Kernel\RequestHandlerTest.
@@ -19,8 +18,9 @@
 use Symfony\Component\Routing\Route;
 
 /**
- * Test
+ * Test REST RequestHandler controller logic.
  *
+ * @group rest
  * @coversDefaultClass \Drupal\rest\RequestHandler
  */
 class RequestHandlerTest extends KernelTestBase {
@@ -46,6 +46,8 @@ public function setUp() {
 
   /**
    * Assert some basic handler method logic.
+   *
+   * @covers ::handle
    */
   public function testBaseHandler() {
 
@@ -86,6 +88,8 @@ public function testBaseHandler() {
 
   /**
    * Test that given structured data, the request handler will serialize it.
+   *
+   * @covers ::handle
    */
   public function testSerialization() {
     $request = new Request();
@@ -109,6 +113,8 @@ public function testSerialization() {
 
   /**
    * Test that we can serialize an empty dataset.
+   *
+   * @covers ::handle
    */
   public function testEmptySerialization() {
     $request = new Request();