Migrated test block 19 to Dart 2.0.

tests/corelib_strong/reg_exp_groups_test.dart

Index: tests/corelib_strong/reg_exp_groups_test.dart
diff --git a/tests/corelib_strong/reg_exp_groups_test.dart b/tests/corelib_strong/reg_exp_groups_test.dart
deleted file mode 100644
index 70386d0e9ecea23c420cf15623e656f58b207d1e..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/reg_exp_groups_test.dart
+++ /dev/null
@@ -1,22 +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";
-
-// Dart test program for RegExp.groups.
-
-class RegExpGroupsTest {
-  static testMain() {
-    var match = new RegExp("(a(b)((c|de)+))").firstMatch("abcde");
-    var groups = match.groups([0, 4, 2, 3]);
-    Expect.equals('abcde', groups[0]);
-    Expect.equals('de', groups[1]);
-    Expect.equals('b', groups[2]);
-    Expect.equals('cde', groups[3]);
-  }
-}
-
-main() {
-  RegExpGroupsTest.testMain();
-}