Migrate test block 4 to Dart 2.0.

tests/corelib/const_list_remove_range_test.dart

Index: tests/corelib/const_list_remove_range_test.dart
diff --git a/tests/corelib/const_list_remove_range_test.dart b/tests/corelib/const_list_remove_range_test.dart
deleted file mode 100644
index ff53be59d13e8a7bf59997e1797c0cd5ce818a95..0000000000000000000000000000000000000000
--- a/tests/corelib/const_list_remove_range_test.dart
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import "package:expect/expect.dart";
-
-main() {
-  testImmutable(const []);
-  testImmutable(const [1]);
-  testImmutable(const [1, 2]);
-}
-
-void expectUOE(Function f) {
-  Expect.throws(f, (e) => e is UnsupportedError);
-}
-
-testImmutable(var list) {
-  expectUOE(() {
-    list.removeRange(0, 0);
-  });
-  expectUOE(() {
-    list.removeRange(0, 1);
-  });
-  expectUOE(() {
-    list.removeRange(-1, 1);
-  });
-}