diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertions.php b/src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertionsTrait.php
similarity index 99%
rename from src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertions.php
rename to src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertionsTrait.php
index 25eac6fe0a..ce6c514518 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertions.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/WebTestAssertionsTrait.php
@@ -26,7 +26,7 @@ use Symfony\Component\HttpFoundation\Test\Constraint as ResponseConstraint;
  *
  * @see https://laravel.com/docs/5.7/dusk#available-assertions
  */
-trait WebTestAssertions
+trait WebTestAssertionsTrait
 {
     public static function assertResponseIsSuccessful(string $message = ''): void
     {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php
index aa2b12ea29..417556578b 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php
@@ -21,7 +21,7 @@ use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
  */
 abstract class WebTestCase extends KernelTestCase
 {
-    use WebTestAssertions;
+    use WebTestAssertionsTrait;
 
     /** @var Client|null */
     protected static $client;
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Test/WebTestCaseTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Test/WebTestCaseTest.php
index 92f200be1f..e43edabe6d 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Test/WebTestCaseTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Test/WebTestCaseTest.php
@@ -14,7 +14,7 @@ namespace Symfony\Bundle\FrameworkBundle\Tests\Test;
 use PHPUnit\Framework\AssertionFailedError;
 use PHPUnit\Framework\TestCase;
 use Symfony\Bundle\FrameworkBundle\KernelBrowser;
-use Symfony\Bundle\FrameworkBundle\Test\WebTestAssertions;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestAssertionsTrait;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\BrowserKit\Cookie;
 use Symfony\Component\BrowserKit\CookieJar;
@@ -275,7 +275,7 @@ class WebTestCaseTest extends TestCase
     private function getTester(KernelBrowser $client): WebTestCase
     {
         return new class($client) extends WebTestCase {
-            use WebTestAssertions;
+            use WebTestAssertionsTrait;
 
             protected static $client;