diff --git a/src/TestUtils/WorkshopExerciseTest.php b/src/TestUtils/WorkshopExerciseTest.php
index 8b501ccc..701b4379 100644
--- a/src/TestUtils/WorkshopExerciseTest.php
+++ b/src/TestUtils/WorkshopExerciseTest.php
@@ -190,7 +190,7 @@ public function assertOutputWasCorrect(): void
         $this->assertTrue($this->getOutputResult()->isSuccessful());
     }
 
-    private function getOutputResult(): ResultGroupInterface
+    public function getOutputResult(): ResultGroupInterface
     {
         $exerciseType = $this->getExercise()->getType();