diff -u b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
--- b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
+++ b/core/modules/contextual/tests/src/FunctionalJavascript/ContextualLinksTest.php
@@ -50,9 +50,11 @@
 
     $this->drupalGet('user');
-    $this->assertSession()->waitForElement('css', '.contextual button');
+    $contextualLinks = $this->assertSession()->waitForElement('css', '.contextual button');
+    $this->assertNotEmpty($contextualLinks);
 
     // Ensure visibility remains correct after cached paged load.
     $this->drupalGet('user');
-    $this->assertSession()->waitForElement('css', '.contextual button');
+    $contextualLinks = $this->assertSession()->waitForElement('css', '.contextual button');
+    $this->assertNotEmpty($contextualLinks);
   }
 }