Migrated test block 19 to Dart 2.0.

tests/corelib/reg_exp_group_test.dart

Index: tests/corelib/reg_exp_group_test.dart
diff --git a/tests/corelib/reg_exp_group_test.dart b/tests/corelib/reg_exp_group_test.dart
deleted file mode 100644
index 1bf4af3753b8184c4df05e866b5e50e166580ec7..0000000000000000000000000000000000000000
--- a/tests/corelib/reg_exp_group_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.group.
-
-class RegExpGroupTest {
-  static testMain() {
-    var match = new RegExp("(a(b)((c|de)+))").firstMatch("abcde");
-    Expect.equals('abcde', match.group(0));
-    Expect.equals('abcde', match.group(1));
-    Expect.equals('b', match.group(2));
-    Expect.equals('cde', match[3]);
-    Expect.equals('de', match[4]);
-  }
-}
-
-main() {
-  RegExpGroupTest.testMain();
-}