diff --git a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
index 6e77c61..782cbca 100644
--- a/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Extension/ThemeHandlerTest.php
@@ -172,7 +172,7 @@ public function testRebuildThemeData() {
         'css/components/admin-panel.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/admin-panel.css',
         'css/components/block-recent-content.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/block-recent-content.css',
         'css/components/branding.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/branding.css',
-        'css/components/breadcrumbs.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/breadcrumbs.css',
+        'css/components/breadcrumb.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/breadcrumb.css',
         'css/components/buttons.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.css',
         'css/components/buttons.theme.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/buttons.theme.css',
         'css/components/comments.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/comments.css',
@@ -181,8 +181,6 @@ public function testRebuildThemeData() {
         'css/components/entity-meta.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/entity-meta.css',
         'css/components/field-ui.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/field-ui.css',
         'css/components/form.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/form.css',
-        'css/components/form.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/form.css',
-        'css/components/help.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/help.css',
         'css/components/help.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/help.css',
         'css/components/menus-and-lists.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/menus-and-lists.css',
         'css/components/modules-page.css' => DRUPAL_ROOT . '/core/themes/seven/css/components/modules-page.css',