diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
index f07560d..e7605a3 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
@@ -22,7 +22,7 @@ class CustomBlockListTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('block', 'custom_block', 'custom_block_test');
+  public static $modules = array('block', 'custom_block');
 
   public static function getInfo() {
     return array(
@@ -32,6 +32,9 @@ public static function getInfo() {
     );
   }
 
+  /**
+   * Tests the custom block listing page.
+   */
   public function testListing() {
     $this->drupalLogin($this->drupalCreateUser(array('administer blocks')));
     $this->drupalGet('admin/structure/custom-blocks');