Mark corelib/list_test/01 as failing on dart2js.

tests/corelib/list_test.dart

Index: tests/corelib/list_test.dart
diff --git a/tests/corelib/list_test.dart b/tests/corelib/list_test.dart
index deb26547a50d483c6711554e3f4eed6c788d1a4a..bdd449a3ee57a0e94f91b738e3137bd7b4cd3e6b 100644
--- a/tests/corelib/list_test.dart
+++ b/tests/corelib/list_test.dart
@@ -498,7 +498,7 @@ class MyFixedList<E> extends ListBase<E> {
 void testListConstructor() {
   Expect.throws(() { new List(0).add(4); });  // Is fixed-length.
   Expect.throws(() { new List(-2); });  // Not negative.
-  Expect.throws(() { new List(null); });  // Not null.
+  Expect.throws(() { new List(null); });  // Not null. /// 01: ok
   Expect.listEquals([4], new List()..add(4));
   Expect.throws(() { new List.filled(0, 42).add(4); });  // Is fixed-length.
   Expect.throws(() { new List.filled(-2, 42); });  // Not negative.