From 8c5875def79998c1197a3806f0829d73576de936 Mon Sep 17 00:00:00 2001
From: Matteo Merli <mmerli@yahoo-inc.com>
Date: Thu, 22 Sep 2016 11:48:19 -0700
Subject: [PATCH] In managed ledger BK test, wait for background ledger
 roll-over to complete before shutting down

Fixes #16: Intermittent test failure in ManagedLedgerBkTest.testConcurrentMarkDelete
---
 .../apache/bookkeeper/mledger/impl/ManagedLedgerBkTest.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/managed-ledger/src/test/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerBkTest.java b/managed-ledger/src/test/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerBkTest.java
index 03f51a2067720..e093385ced9bb 100644
--- a/managed-ledger/src/test/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerBkTest.java
+++ b/managed-ledger/src/test/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerBkTest.java
@@ -273,6 +273,9 @@ public void testConcurrentMarkDelete() throws Exception {
             future.get();
         }
 
+        // Since in this test we roll-over the cursor ledger every 10 entries acknowledged, the background roll back
+        // might still be happening when the futures are completed.
+        Thread.sleep(1000);
         factory.shutdown();
     }