diff --git a/core/modules/ckeditor/src/Tests/CKEditorTest.php b/core/modules/ckeditor/src/Tests/CKEditorTest.php
index b0bdce8..caf0345 100644
--- a/core/modules/ckeditor/src/Tests/CKEditorTest.php
+++ b/core/modules/ckeditor/src/Tests/CKEditorTest.php
@@ -382,8 +382,7 @@ function testLanguages() {
    * Tests that CKEditor plugins participate in JS translation.
    */
   function testJSTranslation() {
-    $this->enableModules(array('locale'));
-    $this->installConfig(['language']);
+    $this->enableModules(array('language', 'locale'));
     $this->installSchema('locale', 'locales_source');
     $this->installSchema('locale', 'locales_location');
     $this->installSchema('locale', 'locales_target');