Issue #1497230 follow-up by sun: Fixed SimpleTest UI failure after dependency injection patch.

core/modules/path/path.test

@@ -542,9 +542,6 @@ class PathMonolingualTestCase extends PathTestCase {
     // Set language detection to URL.
     $edit = array('language_interface[enabled][language-url]' => TRUE);
     $this->drupalPost('admin/config/regional/language/detection', $edit, t('Save settings'));
-
-    // Force languages to be initialized.
-    drupal_language_initialize();
   }
 
   /**