diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnableTest.php
similarity index 92%
rename from core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php
rename to core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnableTest.php
index deec030..6490c59 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnable.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleEnableTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains Drupal\system\Tests\Module\ModuleEnable.
+ * Contains Drupal\system\Tests\Module\ModuleEnableTest.
  */
 
 namespace Drupal\system\Tests\Module;
@@ -13,7 +13,7 @@
 /**
  * Tests enabling modules.
  */
-class ModuleEnable extends WebTestBase {
+class ModuleEnableTest extends WebTestBase {
 
   public static function getInfo() {
     return array(
@@ -31,7 +31,7 @@ public static function getInfo() {
    * be an array.
    */
   function testEnableUserTwice() {
-    module_enable(array('user'), FALSE);
+    $this->container->get('module_handler')->enable(array('user'), FALSE);
     $this->assertIdentical(config('system.module')->get('enabled.user'), '0');
   }