Issue #2059699 by tim-e, Cottser: Remove t() from test assertion messages in file.module.

core/modules/file/lib/Drupal/file/Tests/FileListingTest.php

@@ -94,7 +94,7 @@ function testFileListingPages() {
       $this->assertLinkByHref(file_create_url($file->getFileUri()));
       $this->assertLinkByHref('admin/content/files/usage/' . $file->id());
     }
-    $this->assertFalse(preg_match('/views-field-status priority-low\">\s*' . t('Temporary') . '/', $this->drupalGetContent()), t('All files are stored as permanent.'));
+    $this->assertFalse(preg_match('/views-field-status priority-low\">\s*' . t('Temporary') . '/', $this->drupalGetContent()), 'All files are stored as permanent.');
 
     // Use one file two times and check usage information.
     $orphaned_file = $nodes[1]->file->target_id;
@@ -112,6 +112,6 @@ function testFileListingPages() {
     $this->assertRaw('admin/content/files/usage/' . $file->id() . '">' . $usage);
 
     $result = $this->xpath("//td[contains(@class, 'views-field-status') and contains(text(), :value)]", array(':value' => t('Temporary')));
-    $this->assertEqual(1, count($result), t('Unused file marked as temporary.'));
+    $this->assertEqual(1, count($result), 'Unused file marked as temporary.');
   }
 }