diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
index d7052fa..f67e850 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
@@ -117,7 +117,7 @@ protected function setUp() {
 
 
     // Build a minimal, partially mocked environment for unit tests.
-    $this->containerBuild(drupal_container());
+    $this->rebuildContainer();
     // Make sure it survives kernel rebuilds.
     $conf['container_service_providers']['TestServiceProvider'] = 'Drupal\simpletest\TestServiceProvider';