N°7870 ✅ Prerequisites to test portal services (instantiate a symfony service)

lib/symfony/framework-bundle/Test/WebTestAssertionsTrait.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Test;
+
+trait WebTestAssertionsTrait
+{
+    use BrowserKitAssertionsTrait;
+    use DomCrawlerAssertionsTrait;
+    use HttpClientAssertionsTrait;
+}