From a16ebc177d6b4fbbba55a757ca387703c2d6e296 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@sensiolabs.de>
Date: Mon, 3 Aug 2020 15:05:59 +0200
Subject: [PATCH] fail properly when the required service is not defined

---
 .../Bundle/FrameworkBundle/Test/MailerAssertionsTrait.php     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/MailerAssertionsTrait.php b/src/Symfony/Bundle/FrameworkBundle/Test/MailerAssertionsTrait.php
index 15446a898f..24d98b88eb 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/MailerAssertionsTrait.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/MailerAssertionsTrait.php
@@ -122,10 +122,10 @@ trait MailerAssertionsTrait
             static::fail('Unable to make email assertions. Did you forget to make an HTTP request?');
         }
 
-        if (!$logger = self::$container->get('mailer.logger_message_listener')) {
+        if (!self::$container->has('mailer.logger_message_listener')) {
             static::fail('A client must have Mailer enabled to make email assertions. Did you forget to require symfony/mailer?');
         }
 
-        return $logger->getEvents();
+        return self::$container->get('mailer.logger_message_listener')->getEvents();
     }
 }