From d75d44de4ab5ad75629db6d7fee37a6b138f8ef9 Mon Sep 17 00:00:00 2001
From: Christopher Batey <christopher.batey@gmail.com>
Date: Wed, 17 Apr 2019 10:25:59 +0100
Subject: [PATCH] Fix regression in MultiDcHeartbeatTakingOverSpec introduced
 by removing compiler warnings (#26761)

---
 .../scala/akka/cluster/MultiDcHeartbeatTakingOverSpec.scala     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/MultiDcHeartbeatTakingOverSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/MultiDcHeartbeatTakingOverSpec.scala
index 8465a7a5f1..6b08a117d4 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/MultiDcHeartbeatTakingOverSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/MultiDcHeartbeatTakingOverSpec.scala
@@ -92,7 +92,7 @@ abstract class MultiDcHeartbeatTakingOverSpec
       expectedBetaHeartbeaterNodes = takeNOldestMembers(dataCenter = "beta", 2)
       expectedBetaHeartbeaterRoles = membersAsRoles(expectedBetaHeartbeaterNodes)
 
-      expectedNoActiveHeartbeatSenderRoles = roles.toSet -- expectedAlphaHeartbeaterRoles ++ expectedBetaHeartbeaterRoles
+      expectedNoActiveHeartbeatSenderRoles = roles.toSet -- (expectedAlphaHeartbeaterRoles ++ expectedBetaHeartbeaterRoles)
     }
 
     "collect information on oldest nodes" taggedAs LongRunningTest in {