diff --git a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
index 2528d46..dc72e0d 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
@@ -1026,7 +1026,7 @@ protected function tearDown() {
     // which means they may need to access its filesystem and database.
     drupal_static_reset();
 
-    if (($container = $this->container->get('state')->get()) {
+    if ($container = $this->container->get('state')->get()) {
       $captured_emails = \Drupal::state()->get('system.test_email_collector') ?: array();
       $emailCount = count($captured_emails);
       if ($emailCount) {