diff --git a/core/modules/system/lib/Drupal/system/Tests/DrupalKernel/DrupalKernelSiteTest.php b/core/modules/system/lib/Drupal/system/Tests/DrupalKernel/DrupalKernelSiteTest.php
index 4dafc3e..d6f9fe8 100644
--- a/core/modules/system/lib/Drupal/system/Tests/DrupalKernel/DrupalKernelSiteTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/DrupalKernel/DrupalKernelSiteTest.php
@@ -47,7 +47,8 @@ class: Drupal\Core\Cache\MemoryBackendFactory
 EOD;
     file_put_contents($this->siteDirectory . '/services.yml', $doc);
 
-    $this->rebuildContainer();
+    // Rebuild the container.
+    $this->kernel->updateModules(array());
 
     $this->assertTrue($this->container->has('site.service.yml'));
     $this->assertIdentical(get_class($this->container->get('cache.backend.database')), 'Drupal\Core\Cache\MemoryBackendFactory');