diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
index e28083a..f9b43c1 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockListTest.php
@@ -56,8 +56,8 @@ public function testListing() {
       $this->assertIdentical((string) $element[0], $expected_items[$key]);
     }
 
-    $label = t('Antelope');
-    $new_label = t('Albatross');
+    $label = 'Antelope';
+    $new_label = 'Albatross';
     // Add a new entity using the operations link.
     $link_text = t('Add custom block');
     $this->assertLink($link_text);