--- a/truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/ThreadSafetyTest.java	Tue Sep 15 10:36:04 2015 +0200
+++ b/truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/ThreadSafetyTest.java	Wed Sep 16 11:33:22 2015 +0200
@@ -22,17 +22,23 @@
  */
 package com.oracle.truffle.api.test;
 
-import static org.junit.Assert.*;
-
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.atomic.*;
-
-import org.junit.*;
-
-import com.oracle.truffle.api.*;
-import com.oracle.truffle.api.frame.*;
-import com.oracle.truffle.api.nodes.*;
+import com.oracle.truffle.api.CallTarget;
+import com.oracle.truffle.api.Truffle;
+import com.oracle.truffle.api.TruffleRuntime;
+import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DirectCallNode;
+import com.oracle.truffle.api.nodes.Node;
+import com.oracle.truffle.api.nodes.NodeUtil;
+import com.oracle.truffle.api.nodes.RootNode;
+import java.util.Random;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import org.junit.Ignore;
+import org.junit.Test;
 
 /**
  * Test node rewriting in a tree shared across multiple threads (run with -ea).