diff --git a/tests/Feature/MultiPaymentDeleteTest.php b/tests/Feature/MultiPaymentDeleteTest.php
index 72c5e3640ac6..8a75edaeb78d 100644
--- a/tests/Feature/MultiPaymentDeleteTest.php
+++ b/tests/Feature/MultiPaymentDeleteTest.php
@@ -166,6 +166,7 @@ class MultiPaymentDeleteTest extends TestCase
                 ],
             ],
             'date' => '2019/12/12',
+            'idempotency_key' => md5(time()),
         ];
 
         $response = $this->withHeaders([