diff --git a/tests/Security/IntranetLockedTest.php b/tests/Security/IntranetLockedTest.php
index 91449ed..f7027e9 100644
--- a/tests/Security/IntranetLockedTest.php
+++ b/tests/Security/IntranetLockedTest.php
@@ -13,6 +13,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Contracts\Cache\CacheInterface;
 use Twig\Environment;
 
 #[AllowMockObjectsWithoutExpectations]
@@ -23,6 +24,7 @@ class IntranetLockedTest extends TestCase
     private $searchClient;
     private $stripeClient;
     private $mailer;
+    private $cache;
     private $listener;
 
     protected function setUp(): void
@@ -32,13 +34,22 @@ class IntranetLockedTest extends TestCase
         $this->searchClient = $this->createMock(SearchClient::class);
         $this->stripeClient = $this->createMock(StripeClient::class);
         $this->mailer = $this->createMock(Mailer::class);
+        $this->cache = $this->createMock(CacheInterface::class);
+
+        // Configuration par défaut du mock de cache :
+        // Il exécute immédiatement le callback passé en argument (le 2ème paramètre de get())
+        $this->cache->method('get')->willReturnCallback(function ($key, $callback) {
+            $item = $this->createMock(\Symfony\Contracts\Cache\ItemInterface::class);
+            return $callback($item);
+        });
 
         $this->listener = new IntranetLocked(
             $this->twig,
             $this->signatureClient,
             $this->searchClient,
             $this->stripeClient,
-            $this->mailer
+            $this->mailer,
+            $this->cache
         );
     }
 
@@ -56,7 +67,7 @@ class IntranetLockedTest extends TestCase
         $response = $event->getResponse();
         $this->assertInstanceOf(Response::class, $response);
         $this->assertEquals(Response::HTTP_FORBIDDEN, $response->getStatusCode());
-        
+
         unset($_ENV['INTRANET_LOCK']);
     }
 
@@ -81,15 +92,21 @@ class IntranetLockedTest extends TestCase
         $request = new Request();
         $event = new RequestEvent($kernel, $request, HttpKernelInterface::MAIN_REQUEST);
 
+        // Simulation d'une panne
         $this->signatureClient->method('status')->willReturn(false);
 
         $this->mailer->expects($this->once())->method('send');
-        $this->twig->expects($this->once())->method('render')->with('security/error.twig')->willReturn('Error');
+        $this->twig->expects($this->once())
+            ->method('render')
+            ->with('security/error.twig', $this->callback(function($subject) {
+                return $subject['message']['service'] === 'Signature';
+            }))
+            ->willReturn('Error');
 
         $this->listener->onControl($event);
 
         $response = $event->getResponse();
-        $this->assertInstanceOf(Response::class, $response);
+        $this->assertNotNull($response);
         $this->assertEquals(Response::HTTP_FORBIDDEN, $response->getStatusCode());
     }
 }