diff --git a/tests/Service/RegistryTest.php b/tests/Service/RegistryTest.php
index 63feb9c..2b2b5e7 100644
--- a/tests/Service/RegistryTest.php
+++ b/tests/Service/RegistryTest.php
@@ -38,6 +38,8 @@ public function serviceProviders()
         foreach ($services as $name => $class) {
             $data[] = [$name, $class];
         }
+
+        return $data;
     }
 
     public function testRegister()