From 9ce5c99473265cf758cd989a802a130c960c594f Mon Sep 17 00:00:00 2001
From: Aydin Hassan <aydin@hotmail.co.uk>
Date: Sat, 10 Dec 2016 16:15:59 +0100
Subject: [PATCH] Fix interface check

---
 src/ResultRenderer/ResultsRenderer.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ResultRenderer/ResultsRenderer.php b/src/ResultRenderer/ResultsRenderer.php
index 1a51eff6..bc1ebd76 100644
--- a/src/ResultRenderer/ResultsRenderer.php
+++ b/src/ResultRenderer/ResultsRenderer.php
@@ -8,6 +8,7 @@
 use PhpSchool\PhpWorkshop\Exercise\ProvidesSolution;
 use PhpSchool\PhpWorkshop\Factory\ResultRendererFactory;
 use PhpSchool\PhpWorkshop\Output\OutputInterface;
+use PhpSchool\PhpWorkshop\Result\ResultGroupInterface;
 use PhpSchool\PhpWorkshop\Result\SuccessInterface;
 use PhpSchool\PSX\SyntaxHighlighter;
 use PhpSchool\PhpWorkshop\Exercise\ExerciseInterface;
@@ -96,7 +97,7 @@ public function render(
         $failures   = [];
         foreach ($results as $result) {
             if ($result instanceof SuccessInterface
-                || ($result instanceof ResultAggregator && $result->isSuccessful())
+                || ($result instanceof ResultGroupInterface && $result->isSuccessful())
             ) {
                 $successes[] = sprintf(' ✔ Check: %s', $result->getCheckName());
             } else {