1 files changed, 11 insertions, 2 deletions
diff --git a/core/src/test/java/org/elasticsearch/discovery/zen/NodeJoinControllerTests.java b/core/src/test/java/org/elasticsearch/discovery/zen/NodeJoinControllerTests.java
index 4a248784f9..0ca261cbf6 100644
--- a/core/src/test/java/org/elasticsearch/discovery/zen/NodeJoinControllerTests.java
+++ b/core/src/test/java/org/elasticsearch/discovery/zen/NodeJoinControllerTests.java
@@ -44,8 +44,17 @@ import org.elasticsearch.test.cluster.TestClusterService;
 import org.elasticsearch.test.junit.annotations.TestLogging;
 import org.junit.Before;
 
-import java.util.*;
-import java.util.concurrent.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;