killbill-memoizeit

diff --git a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestInvoicePayment.java b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestInvoicePayment.java
index f2dd228..14b0023 100644
--- a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestInvoicePayment.java
+++ b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestInvoicePayment.java
@@ -325,6 +325,7 @@ public class TestInvoicePayment extends TestJaxrsBase {
         // Pay too too much => 400
         try {
             killBillClient.createInvoicePayment(invoicePayment1, false, requestOptions);
+            Assert.fail("InvoicePayment call should fail with 400");
         } catch (final KillBillClientException e) {
             assertTrue(true);
         }