--- jsr166/src/test/tck/TreeSubSetTest.java	2013/04/02 22:18:26	1.24
+++ jsr166/src/test/tck/TreeSubSetTest.java	2013/05/30 03:28:55	1.25
@@ -486,7 +486,7 @@ public class TreeSubSetTest extends JSR1
         NavigableSet x = populatedSet(SIZE);
         NavigableSet y = serialClone(x);
 
-        assertTrue(x != y);
+        assertNotSame(x, y);
         assertEquals(x.size(), y.size());
         assertEquals(x, y);
         assertEquals(y, x);
@@ -975,7 +975,7 @@ public class TreeSubSetTest extends JSR1
         NavigableSet x = dset5();
         NavigableSet y = serialClone(x);
 
-        assertTrue(x != y);
+        assertNotSame(x, y);
         assertEquals(x.size(), y.size());
         assertEquals(x.toString(), y.toString());
         assertEquals(x, y);