diff --git a/src/exchange-lib/test_exchange_api_twisted.c b/src/exchange-lib/test_exchange_api_twisted.c
index 63358e755..319bcb601 100644
--- a/src/exchange-lib/test_exchange_api_twisted.c
+++ b/src/exchange-lib/test_exchange_api_twisted.c
@@ -243,7 +243,7 @@ run (void *cls,
        "deposit-refund-1"),
 
     TALER_TESTING_cmd_refund
-      ("refund-above-amount",
+      ("refund-fee-above-amount",
        MHD_HTTP_BAD_REQUEST,
        "EUR:5",
        "EUR:10",
@@ -289,6 +289,13 @@ run (void *cls,
        "EUR:0.01",
        "deposit-refund-to-fail"),
 
+    TALER_TESTING_cmd_refund
+      ("refund-insufficient-funds",
+       MHD_HTTP_PRECONDITION_FAILED,
+       "EUR:50",
+       "EUR:0.01",
+       "deposit-refund-1"),
+
     TALER_TESTING_cmd_end ()
   };