diff --git a/src/exchange-lib/test_exchange_api_twisted.c b/src/exchange-lib/test_exchange_api_twisted.c
index c7e371944..c82d785b9 100644
--- a/src/exchange-lib/test_exchange_api_twisted.c
+++ b/src/exchange-lib/test_exchange_api_twisted.c
@@ -242,12 +242,19 @@ run (void *cls,
        "USD:5"),
 
     TALER_TESTING_cmd_refund
-      ("refund-ok",
+      ("refund-currency-missmatch",
        MHD_HTTP_BAD_REQUEST,
        "EUR:5",
        "EUR:0.01",
        "deposit-refund-1"),
 
+    TALER_TESTING_cmd_refund
+      ("refund-above-amount",
+       MHD_HTTP_BAD_REQUEST,
+       "EUR:5",
+       "EUR:10",
+       "deposit-refund-1"),
+
     TALER_TESTING_cmd_end ()
   };