diff --git a/tests/symfony.php b/tests/symfony.php
index c40d62a..f3f878c 100644
--- a/tests/symfony.php
+++ b/tests/symfony.php
@@ -27,4 +27,4 @@ function ($file, $line, $_, $message) {
     \is_string($dumped) && '' !== $dumped,
     'Method dumpAsString must return not empty string.'
 );
-$dumper->dump('Tests passed');
+$dumper->dump('Tests passed.');