diff --git a/tests/Service/FactoryTest.php b/tests/Service/FactoryTest.php
index 11711f1..3112392 100644
--- a/tests/Service/FactoryTest.php
+++ b/tests/Service/FactoryTest.php
@@ -63,7 +63,7 @@ public function servicesProvider()
             ['xignite', Xignite::class, ['token' => 'token']],
             ['russian_central_bank', RussianCentralBank::class],
             ['cryptonator', Cryptonator::class],
-            ['xchangeapi', XchangeApi::class, ['api-key' => 'api-key']]
+            ['xchangeapi', XchangeApi::class, ['api-key' => 'api-key']],
         ];
     }