commit f51abf185cf79267eabd3be6595ac2b81bcafd6d
Author: Daniel Pepin <dpepin@digitalbungalow.com>
Date:   Fri May 10 09:24:20 2013 -0400

    Removed  variable, don't need it.

diff --git a/core/modules/user/lib/Drupal/user/Tests/UserCancelTest.php b/core/modules/user/lib/Drupal/user/Tests/UserCancelTest.php
index 499c619..41c226e 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserCancelTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserCancelTest.php
@@ -450,7 +450,7 @@ public function testMassUserCancelByAdminConfirm() {
       ->save();
 
     // Create administrative user.
-    $admin_user = $this->drupalLogin($this->drupalCreateUser(array('administer users')));
+    $this->drupalLogin($this->drupalCreateUser(array('administer users')));
 
     // Create some users.
     $users = array();