diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 5bcc74e31844b6ddb278c7ec1769a5f6eb6819bb..f5aa40a6ef03e9513063089d5383d6f590dffcc2 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -319,6 +319,7 @@ public static function getSkippedDeprecations() {
       "The 'rest.entity.workflow.GET.xml' route is deprecated since version 8.5.x and will be removed in 9.0.0. Use the 'rest.entity.workflow.GET' route instead.",
       "The 'rest.entity.workflow.GET.hal_json' route is deprecated since version 8.5.x and will be removed in 9.0.0. Use the 'rest.entity.workflow.GET' route instead.",
       'The Symfony\Component\ClassLoader\ApcClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.',
+      'The Symfony\Component\ClassLoader\WinCacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.',
       'The Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher class is deprecated since Symfony 3.3 and will be removed in 4.0. Use EventDispatcher with closure factories instead.',
       'The Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler class is deprecated since Symfony 3.4 and will be removed in 4.0. Implement `SessionUpdateTimestampHandlerInterface` or extend `AbstractSessionHandler` instead.',
       'The "session_handler.write_check" service relies on the deprecated "Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler" class. It should either be deprecated or its implementation upgraded.',