diff --git a/core/modules/locale/src/Tests/LocaleFileSystemFormTest.php b/core/modules/locale/src/Tests/LocaleFileSystemFormTest.php
index 32b44c2..4a7d402 100644
--- a/core/modules/locale/src/Tests/LocaleFileSystemFormTest.php
+++ b/core/modules/locale/src/Tests/LocaleFileSystemFormTest.php
@@ -43,6 +43,7 @@ function testFileConfigurationPage() {
     // With locale module installed, the setting should appear.
     $module_installer = $this->container->get('module_installer');
     $module_installer->install(['locale']);
+    $this->rebuildContainer();
     $this->drupalGet('admin/config/media/file-system');
     $this->assertFieldByName('translation_path');
 
@@ -54,7 +55,7 @@ function testFileConfigurationPage() {
     $this->drupalPostForm(NULL, $fields, t('Save configuration'));
     $this->drupalGet('admin/config/media/file-system');
     $this->assertFieldByName('translation_path', $translation_path);
-    $this->assertEqual($translation_path, \Drupal::configFactory()->reset()->get('locale.settings')->get('translation.path'));
+    $this->assertEqual($translation_path, $this->config('locale.settings')->get('translation.path'));
   }
 
 }