diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index 6bdc5aa..a95cbaf 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -492,7 +492,7 @@ function locale_js_alter(&$javascript, AttachedAssetsInterface $assets) {
   foreach ($javascript as $item) {
     if (isset($item['type']) && $item['type'] == 'file') {
       // Ignore the JS translation placeholder file.
-      if ($item['data'] === 'core/modules/locale/locale.translation.js') {
+      if ($item['data'] === 'core/modules/locale/js/locale.translation.js') {
         continue;
       }
       $files[] = $item['data'];
diff --git a/core/modules/locale/src/Tests/LocaleLibraryAlterTest.php b/core/modules/locale/src/Tests/LocaleLibraryAlterTest.php
index 682af83..4f2b62d 100644
--- a/core/modules/locale/src/Tests/LocaleLibraryAlterTest.php
+++ b/core/modules/locale/src/Tests/LocaleLibraryAlterTest.php
@@ -34,6 +34,6 @@ public function testLibraryAlter() {
     $assets = new AttachedAssets();
     $assets->setLibraries(['core/jquery.ui.datepicker']);
     $js_assets = $this->container->get('asset.resolver')->getJsAssets($assets, FALSE)[1];
-    $this->assertTrue(array_key_exists('core/modules/locale/locale.datepicker.js', $js_assets), 'locale.datepicker.js added to scripts.');
+    $this->assertTrue(array_key_exists('core/modules/locale/js/locale.datepicker.js', $js_assets), 'locale.datepicker.js added to scripts.');
   }
 }
diff --git a/core/modules/system/tests/modules/twig_theme_test/twig_theme_test.js b/core/modules/system/tests/modules/twig_theme_test/js/twig_theme_test.js
similarity index 100%
rename from core/modules/system/tests/modules/twig_theme_test/twig_theme_test.js
rename to core/modules/system/tests/modules/twig_theme_test/js/twig_theme_test.js