diff --git a/web/app/tests/Lib/ResponseTest.php b/web/app/tests/Lib/ResponseTest.php
index 78a70bf..bf11853 100644
--- a/web/app/tests/Lib/ResponseTest.php
+++ b/web/app/tests/Lib/ResponseTest.php
@@ -120,10 +120,9 @@ public function testProtocolVersion(): void
         $this->assertEquals(1.1, $response->getProtocolVersion());
     }
 
-    public function testContent()
+    public function testContent(): void
     {
         $response = new Response();
         $this->assertNull($response->getContent());
     }
-
 }