diff --git a/core/modules/comment/src/Tests/CommentLinksTest.php b/core/modules/comment/src/Tests/CommentLinksTest.php
index 2d37136..7693fb8 100644
--- a/core/modules/comment/src/Tests/CommentLinksTest.php
+++ b/core/modules/comment/src/Tests/CommentLinksTest.php
@@ -104,6 +104,20 @@ public function testCommentLinks() {
       $this->assertLink('Add new comment');
     }
 
+    // Change weight to make links go before comment body.
+    entity_get_display('comment', 'comment', 'default')
+      ->setComponent('links', array('weight' => -100))
+      ->save();
+    $this->drupalGet($this->node->urlInfo());
+    $this->assertTrue($this->cssSelect('article > div ul:first-child'), 'Links found before comment body.');
+
+    // Change weight to make links go after comment body.
+    entity_get_display('comment', 'comment', 'default')
+      ->setComponent('links', array('weight' => 100))
+      ->save();
+    $this->drupalGet($this->node->urlInfo());
+    $this->assertTrue($this->cssSelect('article > div ul:last-child'), 'Links found after comment body.');
+
     // Make sure we can hide node links.
     entity_get_display('node', $this->node->bundle(), 'default')
       ->removeComponent('links')