diff --git a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
index 016ac7f..3833bc0 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
@@ -224,7 +224,8 @@ public function containerBuild(ContainerBuilder $container) {
     $container->register('lock', 'Drupal\Core\Lock\NullLockBackend');
     $this->settingsSet('cache', array('default' => 'cache.backend.memory'));
     $this->settingsSet('cache_tag_service', 'cache.tag.memory');
-    $container->register('cache_factory', 'Drupal\Core\Cache\MemoryBackendFactory');
+    $container->register('cache_factory', 'Drupal\Core\Cache\MemoryBackendFactory')
+      ->addArgument(new Reference('cache_tag_factory'));;
 
     $container
       ->register('config.storage', 'Drupal\Core\Config\FileStorage')