diff -u b/core/modules/system/src/Tests/Update/RebuildScriptTest.php b/core/modules/system/src/Tests/Update/RebuildScriptTest.php
--- b/core/modules/system/src/Tests/Update/RebuildScriptTest.php
+++ b/core/modules/system/src/Tests/Update/RebuildScriptTest.php
@@ -21,7 +21,7 @@
    * Test redirect in rebuild.php
    */
   public function testRebuild() {
-    $cache = \Drupal::cache();
+    $cache = $this->container->get('cache.default');
 
     $cache->set('rebuild_test', TRUE);
     $this->drupalGet(Url::fromUri('base:core/rebuild.php'));