diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h
index c0a76c44c..f15a5f766 100644
--- a/src/include/taler_testing_lib.h
+++ b/src/include/taler_testing_lib.h
@@ -1147,6 +1147,7 @@ TALER_TESTING_cmd_admin_add_incoming (
  * @param auth authentication data
  * @param ref reference to a command that can offer a reserve
  *        private key or public key.
+ * @param http_status expected HTTP status
  * @return the command.
  */
 struct TALER_TESTING_Command
@@ -1155,7 +1156,8 @@ TALER_TESTING_cmd_admin_add_incoming_with_ref (
   const char *amount,
   const struct TALER_BANK_AuthenticationData *auth,
   const char *payto_debit_account,
-  const char *ref);
+  const char *ref,
+  unsigned int http_status);
 
 
 /**
diff --git a/src/testing/test_bank_api.c b/src/testing/test_bank_api.c
index 98f97cd44..68c12aff3 100644
--- a/src/testing/test_bank_api.c
+++ b/src/testing/test_bank_api.c
@@ -91,7 +91,8 @@ run (void *cls,
                                                      "KUDOS:2.01",
                                                      &bc.exchange_auth,
                                                      bc.user42_payto,
-                                                     "credit-1"),
+                                                     "credit-1",
+                                                     MHD_HTTP_CONFLICT),
       TALER_TESTING_cmd_sleep ("Waiting 4s for 'credit-1' to settle",
                                4),
       TALER_TESTING_cmd_bank_credits ("history-1c",
diff --git a/src/testing/testing_api_cmd_bank_admin_add_incoming.c b/src/testing/testing_api_cmd_bank_admin_add_incoming.c
index aaa447fec..28f907fda 100644
--- a/src/testing/testing_api_cmd_bank_admin_add_incoming.c
+++ b/src/testing/testing_api_cmd_bank_admin_add_incoming.c
@@ -557,12 +557,13 @@ TALER_TESTING_cmd_admin_add_incoming (const char *label,
 
 
 struct TALER_TESTING_Command
-TALER_TESTING_cmd_admin_add_incoming_with_ref
-  (const char *label,
+TALER_TESTING_cmd_admin_add_incoming_with_ref (
+  const char *label,
   const char *amount,
   const struct TALER_BANK_AuthenticationData *auth,
   const char *payto_debit_account,
-  const char *ref)
+  const char *ref,
+  unsigned int http_status)
 {
   struct AdminAddIncomingState *fts;
 
@@ -570,7 +571,7 @@ TALER_TESTING_cmd_admin_add_incoming_with_ref
                   auth,
                   payto_debit_account);
   fts->reserve_reference = ref;
-  fts->expected_http_status = MHD_HTTP_CONFLICT;
+  fts->expected_http_status = http_status;
   return make_command (label,
                        fts);
 }