diff --git a/tests/src/Build/UpdateTestBase.php b/tests/src/Build/UpdateTestBase.php
index 0af9c56922b549a50cc9d59a4c53e8a3dda30177..16f80f5c0ba591200cbecab51aea323a8c46f1ce 100644
--- a/tests/src/Build/UpdateTestBase.php
+++ b/tests/src/Build/UpdateTestBase.php
@@ -128,7 +128,7 @@ END;
 
     $form_id = $assert_session->elementExists('css', 'input[type="hidden"][name="form_id"]')
       ->getValue();
-    if ($form_id === 'system_modules_confirm_form') {
+    if (preg_match('/^system_modules_(experimental_)?confirm_form$/', $form_id)) {
       $page->pressButton('Continue');
       $assert_session->statusCodeEquals(200);
     }