diff --git a/core/modules/user/tests/src/Functional/UserCreateTest.php b/core/modules/user/tests/src/Functional/UserCreateTest.php
index 1231d9cd80..a081a3352b 100644
--- a/core/modules/user/tests/src/Functional/UserCreateTest.php
+++ b/core/modules/user/tests/src/Functional/UserCreateTest.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\Tests\user\Functional;
 
+use Drupal\Core\Test\AssertMailTrait;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\Tests\BrowserTestBase;
 use Drupal\field\Entity\FieldStorageConfig;
@@ -13,6 +14,9 @@
  */
 class UserCreateTest extends BrowserTestBase {
 
+  use AssertMailTrait {
+    getMails as drupalGetMails;
+  }
   /**
    * Modules to enable.
    *
@@ -116,7 +120,7 @@ public function testUserAdd() {
       $this->drupalGet('admin/people');
       $this->assertText($edit['name'], 'User found in list of users');
       $user = user_load_by_name($name);
-      $this->assertEqual($user->isActive(), 'User is not blocked');
+      $this->assertEqual($user->isActive(), TRUE, 'User is not blocked');
     }
 
     // Test that the password '0' is considered a password.