diff --git a/tests/php/Forms/HTMLEditor/HTMLEditorConfigTest/NullEditorConfig.php b/tests/php/Forms/HTMLEditor/HTMLEditorConfigTest/NullEditorConfig.php
index bd310e7b291..71fd772cfd7 100644
--- a/tests/php/Forms/HTMLEditor/HTMLEditorConfigTest/NullEditorConfig.php
+++ b/tests/php/Forms/HTMLEditor/HTMLEditorConfigTest/NullEditorConfig.php
@@ -49,5 +49,8 @@ public function getAttributes(): array
         return [];
     }
 
-    public function init(): void {}
+    public function init(): void
+    {
+        // no-op
+    }
 }