Sascha Grossenbacher · catch
--- a/core/modules/content_translation/tests/src/Kernel/ContentTranslationFieldSyncRevisionTest.php
+++ b/core/modules/content_translation/tests/src/Kernel/ContentTranslationFieldSyncRevisionTest.php
    $this->assertLatestRevisionFieldValues($entity_id, [26, 3, 3, 'Alt 3 EN', 'Alt 4 IT']);
  }

+  /**
+   * Checks that file field synchronization works as expected.
+   */
+  public function testFileFieldSynchronization() {
-  public function testFileFieldSynchronization() {
+  public function testFileFieldSynchronization(): void {