diff --git a/core/modules/simpletest/src/WebTestBase.php b/core/modules/simpletest/src/WebTestBase.php
index 2e03af9..9616714f 100644
--- a/core/modules/simpletest/src/WebTestBase.php
+++ b/core/modules/simpletest/src/WebTestBase.php
@@ -26,6 +26,7 @@
 use Drupal\Core\Test\AssertMailTrait;
 use Drupal\Core\Url;
 use Drupal\system\Tests\Cache\AssertPageCacheContextsAndTagsTrait;
+use Drupal\Tests\Traits\Core\CronRunTrait;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Yaml\Yaml as SymfonyYaml;
@@ -46,6 +47,7 @@
   use ContentTypeCreationTrait {
     createContentType as drupalCreateContentType;
   }
+  use CronRunTrait;
   use AssertMailTrait {
     getMails as drupalGetMails;
   }
@@ -2062,13 +2064,6 @@ protected function translatePostValues(array $values) {
   }
 
   /**
-   * Runs cron in the Drupal installed by Simpletest.
-   */
-  protected function cronRun() {
-    $this->drupalGet('cron/' . \Drupal::state()->get('system.cron_key'));
-  }
-
-  /**
    * Checks for meta refresh tag and if found call drupalGet() recursively.
    *
    * This function looks for the http-equiv attribute to be set to "Refresh" and
diff --git a/core/tests/Drupal/Tests/BrowserTestBase.php b/core/tests/Drupal/Tests/BrowserTestBase.php
index f9f443c..16d5ecd 100644
--- a/core/tests/Drupal/Tests/BrowserTestBase.php
+++ b/core/tests/Drupal/Tests/BrowserTestBase.php
@@ -51,6 +51,7 @@
     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
new file mode 100644
index 0000000..17ca9fc
--- /dev/null
+++ b/core/tests/Drupal/Tests/Traits/Core/CronRunTrait.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Drupal\Tests\Traits\Core;
+
+/**
+ * Adds ability to run cron from tests.
+ */
+trait CronRunTrait {
+
+  /**
+   * Runs cron on the test site.
+   */
+  protected function cronRun() {
+    $this->drupalGet('cron/' . \Drupal::state()->get('system.cron_key'));
+  }
+
+}