diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php
index f4646695ab..aa56cb19fe 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php
@@ -88,7 +88,7 @@ protected function setUp(): void {
    *
    * @dataProvider providerTestFilePath
    */
-  public function testFilePath($file_private_path, $file_public_path, $file_temporary_path, $private, $public, $temporary) {
+  public function testFilePath(string $file_private_path, string $file_public_path, string $file_temporary_path, string $private, string $public, string $temporary) {
     $this->sourceFileScheme['private'] = $file_private_path;
     $this->sourceFileScheme['public'] = $file_public_path;
     $this->sourceFileScheme['temporary'] = $file_temporary_path;
@@ -186,7 +186,7 @@ public function providerTestFilePath() {
         'def',
         '',
       ],
-      'The private and public files are in separate subdirectories' => [
+      'The private, public and temporary files are in separate subdirectories' => [
         'private',
         'files',
         '/tmp',