diff --git a/core/modules/locale/lib/Drupal/locale/Tests/LocaleExportTest.php b/core/modules/locale/lib/Drupal/locale/Tests/LocaleExportTest.php
index 1ba2bda..e962d2c 100644
--- a/core/modules/locale/lib/Drupal/locale/Tests/LocaleExportTest.php
+++ b/core/modules/locale/lib/Drupal/locale/Tests/LocaleExportTest.php
@@ -114,7 +114,7 @@ function testExportTranslation() {
     // Ensure no customized translations exist in the file.
     $this->assertNoRaw('msgstr "janvier"', t('French custom translation not present in exported file.'));
     // Ensure the untranslated strings exist in the file, and with right quotes.
-    $this->assertRaw($this->getEmptyPoTranslation(), t('Empty string present in exported file.'));
+    $this->assertRaw($this->getUntranslatedString(), t('Empty string present in exported file.'));
   }
 
   /**
@@ -168,7 +168,10 @@ function getCustomPoFile() {
 EOF;
   }
 
-  function getEmptyPoTranslation() {
+  /**
+   * Helper function that returns a .po fragment file with an unstranslated string.
+   */
+  function getUntranslatedString() {
     return <<< EOF
 msgid "February"
 msgstr ""