only in patch2:
unchanged:
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/FilePathTest.php
@@ -125,6 +125,8 @@ public function testFilePath(string $file_private_path, string $file_public_path
     $drivers = drupal_get_database_types();
     $form = $drivers[$driver]->getFormOptions($connection_options);
     $connection_options = array_intersect_key($connection_options, $form + $form['advanced_options']);
+    // Remove isolation_level since that options is not configurable in the UI.
+    unset($connection_options['isolation_level']);
     $edit = [
       $driver => $connection_options,
       'version' => '7',