--- old/test/java/util/stream/test/org/openjdk/tests/java/util/stream/CollectorsTest.java	2015-03-13 18:16:02.000000000 +0800
+++ new/test/java/util/stream/test/org/openjdk/tests/java/util/stream/CollectorsTest.java	2015-03-13 18:16:02.000000000 +0800
@@ -517,7 +517,7 @@
                                                                                new ToListAssertion<>())));
     }
 
-    @Test
+    @Test(groups = { "serialization-hostile" })
     public void testFlatMappingClose() {
         Function<Integer, Integer> classifier = i -> i;
         AtomicInteger ai = new AtomicInteger();