refactor: offer the questionnaire test from the assignment overview

src/Controller/Administrative/Questionnaire/TestController.php

@@ -69,7 +69,7 @@ class TestController extends AbstractController
             'submitted' => $submitted,
             'draft' => $draft,
             'busEscort' => $busEscort,
-            'returnUrl' => $this->getReturnUrl($request, 'app_administrative_assignment_detail', ['uuid' => $assignment->getUuid()]),
+            'returnUrl' => $this->getReturnUrl($request, 'app_administrative_assignment_index'),
         ]);
     }
 }