test: fix flakiness

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>

Author: pierre

pom.xml

@@ -125,6 +125,11 @@
             <artifactId>org.apache.felix.framework</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.jooby</groupId>
             <artifactId>jooby</artifactId>

src/test/java/org/killbill/billing/plugin/stripe/TestStripePaymentPluginApi.java

@@ -26,8 +26,11 @@
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import org.awaitility.Awaitility;
 import org.joda.time.Period;
 import org.killbill.billing.ObjectType;
 import org.killbill.billing.catalog.api.Currency;
@@ -537,11 +540,16 @@ public void testExpired3DSPurchase() throws PaymentPluginApiException, StripeExc
         // See getPending3DsPaymentExpirationPeriod
         clock.addDeltaFromReality(new Period("PT3H").toStandardDuration().getMillis());
 
-        final List<PaymentTransactionInfoPlugin> paymentTransactionInfoPluginExpired = stripePaymentPluginApi.getPaymentInfo(account.getId(),
-                                                                                                                             payment.getId(),
-                                                                                                                             ImmutableList.of(),
-                                                                                                                             context);
-        assertEquals(paymentTransactionInfoPluginExpired.get(0).getStatus(), PaymentPluginStatus.CANCELED);
+        Awaitility.await().atMost(5, TimeUnit.SECONDS).until(new Callable<>() {
+            @Override
+            public Boolean call() throws Exception {
+                final List<PaymentTransactionInfoPlugin> paymentTransactionInfoPluginExpired = stripePaymentPluginApi.getPaymentInfo(account.getId(),
+                                                                                                                                     payment.getId(),
+                                                                                                                                     ImmutableList.of(),
+                                                                                                                                     context);
+                return PaymentPluginStatus.CANCELED.equals(paymentTransactionInfoPluginExpired.get(0).getStatus());
+            }
+        });
     }
 
     @Test(groups = "integration")