diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeSaveTest.php b/core/modules/node/lib/Drupal/node/Tests/NodeSaveTest.php
index a3f16f8..169f063 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeSaveTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeSaveTest.php
@@ -94,6 +94,7 @@ function testTimestamps() {
     $node->save();
     $node = $this->drupalGetNodeByTitle($edit['title'], TRUE);
     $this->assertEqual($node->getCreatedTime(), $created, 'Updating a node preserves "created" timestamp.');
+    $this->assertNotEqual($node->getChangedTime(), $changed, 'Updating a node does not preserve "changed" timestamp.');
 
     // Programmatically set the timestamps using hook_node_presave.
     $node->title = 'testing_node_presave';