diff -u b/core/modules/system/src/Tests/Common/RenderElementTypesTest.php b/core/modules/system/src/Tests/Common/RenderElementTypesTest.php
--- b/core/modules/system/src/Tests/Common/RenderElementTypesTest.php
+++ b/core/modules/system/src/Tests/Common/RenderElementTypesTest.php
@@ -194,7 +194,7 @@
         'value' => array(
           '#type' => 'system_compact_link',
         ),
-        'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact/on") and text()="Hide descriptions"]',
+        'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact/on?") and text()="Hide descriptions"]',
       ),
       array(
         'name' => "#type 'system_compact_link' when adding extra attributes",
@@ -204,7 +204,7 @@
             'class' => array('kittens-rule'),
           ),
         ),
-        'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact/on") and @class="kittens-rule" and text()="Hide descriptions"]',
+        'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact/on?") and @class="kittens-rule" and text()="Hide descriptions"]',
       ),
     );
 
@@ -222,7 +222,7 @@
       'value' => array(
         '#type' => 'system_compact_link',
       ),
-      'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact/off") and text()="Show descriptions"]',
+      'expected' => '//div[@class="compact-link"]/a[contains(@href, "admin/compact?") and text()="Show descriptions"]',
     );
 
     $xml = new \SimpleXMLElement(drupal_render($element['value']));