diff --git a/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php b/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php
index 08424d0..ca65380 100644
--- a/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php
+++ b/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php
@@ -458,10 +458,10 @@ function assertLanguageSwitchLinks($node, $translation, $find = TRUE, $types = N
     foreach ($types as $type) {
       $args = array('%translation_language' => $translation_language->name, '%page_language' => $page_language->name, '%type' => $type);
       if ($find) {
-        $message = t('[%page_language] Language switch item found for %translation_language language in the %type page area.', $args);
+        $message = format_string('[%page_language] Language switch item found for %translation_language language in the %type page area.', $args);
       }
       else {
-        $message = t('[%page_language] Language switch item not found for %translation_language language in the %type page area.', $args);
+        $message = format_string('[%page_language] Language switch item not found for %translation_language language in the %type page area.', $args);
       }
 
       if (!empty($translation->nid)) {