diff -u b/core/tests/Drupal/Tests/Core/Cache/InconsistentBackendTest.php b/core/tests/Drupal/Tests/Core/Cache/InconsistentBackendTest.php
--- b/core/tests/Drupal/Tests/Core/Cache/InconsistentBackendTest.php
+++ b/core/tests/Drupal/Tests/Core/Cache/InconsistentBackendTest.php
@@ -3,7 +3,7 @@
 namespace Drupal\Tests\Core\Cache;
 
 use Drupal\Core\Cache\MemoryBackend;
-use Drupal\Core\Cache\InconsistentBackend;
+use Drupal\Core\Cache\ChainedConsistentAndInconsistentBackend;
 use Drupal\Core\KeyValueStore\StateInterface;
 use Drupal\Tests\UnitTestCase;
 
@@ -32,7 +32,7 @@
           ->method("get")
           ->will($this->returnValue(1234));
 
-    $inconsistent_backend = new InconsistentBackend(
+    $inconsistent_backend = new ChainedConsistentAndInconsistentBackend(
       $this->consistent_cache,
       $this->inconsistent_cache,
       $this->bin,
@@ -52,7 +52,7 @@
           ->method("get")
           ->will($this->returnValue(time() + 99999));
 
-    $inconsistent_backend = new InconsistentBackend(
+    $inconsistent_backend = new ChainedConsistentAndInconsistentBackend(
       $this->consistent_cache,
       $this->inconsistent_cache,
       $this->bin,