"Reverting 14829-14832"

utils/tests/pub/update/git/do_not_update_if_unneeded_test.dart

 // Copyright (c) 2012, 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.
 
 library pub_tests;
 
 import 'dart:io';
 
 import '../../test_pub.dart';
 import '../../../../../pkg/unittest/lib/unittest.dart';
 
 main() {
   test("doesn't update one locked Git package's dependencies if it's not "
       "necessary", () {
     ensureGit();
 
     git('foo.git', [
       libDir('foo'),
       libPubspec("foo", "1.0.0", [{"git": "../foo-dep.git"}])
     ]).scheduleCreate();
 
     git('foo-dep.git', [
       libDir('foo-dep'),
       libPubspec('foo-dep', '1.0.0')
     ]).scheduleCreate();
 
     appDir([{"git": "../foo.git"}]).scheduleCreate();
 
     schedulePub(args: ['install'],
-        output: new RegExp(r"Dependencies installed!$"));
+        output: const RegExp(r"Dependencies installed!$"));
 
     dir(packagesPath, [
       dir('foo', [
         file('foo.dart', 'main() => "foo";')
       ]),
       dir('foo-dep', [
         file('foo-dep.dart', 'main() => "foo-dep";')
       ])
     ]).scheduleValidate();
 
     git('foo.git', [
       libDir('foo', 'foo 2'),
       libPubspec("foo", "1.0.0", [{"git": "../foo-dep.git"}])
     ]).scheduleCreate();
 
     git('foo-dep.git', [
       libDir('foo-dep', 'foo-dep 2'),
       libPubspec('foo-dep', '1.0.0')
     ]).scheduleCommit();
 
     schedulePub(args: ['update', 'foo'],
-        output: new RegExp(r"Dependencies updated!$"));
+        output: const RegExp(r"Dependencies updated!$"));
 
     dir(packagesPath, [
       dir('foo', [
         file('foo.dart', 'main() => "foo 2";')
       ]),
       dir('foo-dep', [
         file('foo-dep.dart', 'main() => "foo-dep";')
       ]),
     ]).scheduleValidate();
 
     run();
   });
 }