killbill-memoizeit

diff --git a/pom.xml b/pom.xml
index f79d4d0..1a3949d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>killbill-oss-parent</artifactId>
         <groupId>org.kill-bill.billing</groupId>
-        <version>0.81</version>
+        <version>0.82</version>
     </parent>
     <artifactId>killbill</artifactId>
     <version>0.16.2-SNAPSHOT</version>

diff --git a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestPayment.java b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestPayment.java
index 93b7374..b76434b 100644
--- a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestPayment.java
+++ b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestPayment.java
@@ -80,7 +80,11 @@ public class TestPayment extends TestJaxrsBase {
     @Test(groups = "slow")
     public void testCreateRetrievePayment() throws Exception {
         final Account account = createAccountWithDefaultPaymentMethod();
-        testCreateRetrievePayment(account, null, UUID.randomUUID().toString(), 1);
+        final String externalPaymentKey = UUID.randomUUID().toString();
+        final UUID paymentId = testCreateRetrievePayment(account, null, externalPaymentKey, 1);
+
+        final Payment payment = killBillClient.getPaymentByExternalKey(externalPaymentKey);
+        assertEquals(payment.getPaymentId(), paymentId);
 
         final PaymentMethod paymentMethodJson = new PaymentMethod(null, UUID.randomUUID().toString(), account.getAccountId(), false, PLUGIN_NAME, new PaymentMethodPluginDetail());
         final PaymentMethod nonDefaultPaymentMethod = killBillClient.createPaymentMethod(paymentMethodJson, createdBy, reason, comment);
@@ -244,7 +248,7 @@ public class TestPayment extends TestJaxrsBase {
         Assert.assertNull(payment);
     }
 
-    private void testCreateRetrievePayment(final Account account, @Nullable final UUID paymentMethodId,
+    private UUID testCreateRetrievePayment(final Account account, @Nullable final UUID paymentMethodId,
                                            final String paymentExternalKey, final int paymentNb) throws Exception {
         // Authorization
         final String authTransactionExternalKey = UUID.randomUUID().toString();
@@ -290,6 +294,8 @@ public class TestPayment extends TestJaxrsBase {
                       BigDecimal.TEN, BigDecimal.TEN, new BigDecimal("2"), new BigDecimal("2"), 4, paymentNb);
         verifyPaymentTransaction(account, authPayment.getPaymentId(), paymentExternalKey, refundPayment.getTransactions().get(3),
                                  refundTransactionExternalKey, refundTransaction.getAmount(), "REFUND", "SUCCESS");
+
+        return authPayment.getPaymentId();
     }
 
     private Payment createVerifyTransaction(final Account account,