MAGETWO-63638: Sending all order to Signifyd for guarantee automatically

- Fixed integration test

Author: isavchuk-magento

Model/SignifydGateway/Request/CreateCaseBuilderTest.php

@@ -217,7 +217,7 @@ public function testCreateCaseBuilderWithVirtualProductAndGuest()
                         'itemUrl' => $product->getProductUrl()
                     ],
                 ],
-                'paymentMethod' => 'PAYPAL_ACCOUNT'
+                'paymentMethod' => 'PAYMENT_CARD'
             ],
             'card' => [
                 'cardHolderName' => 'firstname lastname',