diff --git a/Test/Unit/Helper/PaymentResponseHandlerTest.php b/Test/Unit/Helper/PaymentResponseHandlerTest.php
index 0ea4e3f29..ed002b6e2 100644
--- a/Test/Unit/Helper/PaymentResponseHandlerTest.php
+++ b/Test/Unit/Helper/PaymentResponseHandlerTest.php
@@ -56,6 +56,8 @@ class PaymentResponseHandlerTest extends AbstractAdyenTestCase
     private Collection $paymentResponseMockForFactory;
     private CollectionFactory $paymentResponseCollectionFactoryMock;
     private OrderStatusHistoryRepositoryInterface|MockObject $historyRepositoryMock;
+    private Adapter|MockObject $paymentMethodInstanceMock;
+    private PaymentMethods|MockObject $paymentMethodsHelperMock;
 
     protected function setUp(): void
     {