1 files changed, 2 insertions, 2 deletions
diff --git a/core/src/test/scala/org/apache/spark/util/TimeStampedHashMapSuite.scala b/core/src/test/scala/org/apache/spark/util/TimeStampedHashMapSuite.scala
index 25fc15dd54..fd9add7690 100644
--- a/core/src/test/scala/org/apache/spark/util/TimeStampedHashMapSuite.scala
+++ b/core/src/test/scala/org/apache/spark/util/TimeStampedHashMapSuite.scala
@@ -171,8 +171,8 @@ class TimeStampedHashMapSuite extends SparkFunSuite {
     })
 
     test(name + " - threading safety test")  {
-      threads.map(_.start)
-      threads.map(_.join)
+      threads.foreach(_.start())
+      threads.foreach(_.join())
       assert(!error)
     }
   }