diff --git a/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php b/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
index daab34b..15c16ba 100644
--- a/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
+++ b/core/tests/Drupal/FunctionalTests/BrowserTestBaseTest.php
@@ -5,6 +5,7 @@
 use Drupal\Component\Utility\Html;
 use Drupal\Core\Url;
 use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\Traits\Core\CronRunTrait;
 
 /**
  * Tests BrowserTestBase functionality.
@@ -13,6 +14,8 @@
  */
 class BrowserTestBaseTest extends BrowserTestBase {
 
+  use CronRunTrait;
+
   /**
    * Modules to enable.
    *
@@ -150,6 +153,7 @@ public function testLegacyAsserts() {
   public function testCronRun() {
     $last_cron_time = $this->container->get('state')->get('system.cron_last');
     $this->cronRun();
+    $this->assertSession()->statusCodeEquals(204);
     $next_cron_time = $this->container->get('state')->get('system.cron_last');
 
     $this->assertGreaterThan($last_cron_time, $next_cron_time);
diff --git a/core/tests/Drupal/Tests/BrowserTestBase.php b/core/tests/Drupal/Tests/BrowserTestBase.php
index 3456db1..6e53e28 100644
--- a/core/tests/Drupal/Tests/BrowserTestBase.php
+++ b/core/tests/Drupal/Tests/BrowserTestBase.php
@@ -53,7 +53,6 @@
     placeBlock as drupalPlaceBlock;
   }
   use AssertLegacyTrait;
-  use CronRunTrait;
   use RandomGeneratorTrait;
   use SessionTestTrait;
   use NodeCreationTrait {
diff --git a/core/tests/Drupal/Tests/Traits/Core/CronRunTrait.php b/core/tests/Drupal/Tests/Traits/Core/CronRunTrait.php
index 10fb213..eaeeec6 100644
--- a/core/tests/Drupal/Tests/Traits/Core/CronRunTrait.php
+++ b/core/tests/Drupal/Tests/Traits/Core/CronRunTrait.php
@@ -12,7 +12,6 @@
    */
   protected function cronRun() {
     $this->drupalGet('cron/' . $this->container->get('state')->get('system.cron_key'));
-    $this->assertResponse(204);
   }
 
 }