Don't extract the name of a package from its description.

utils/tests/pub/pub_install_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/unittest.dart');
 
 main() {
   group('requires', () {
     test('a pubspec', () {
       dir(appPath, []).scheduleCreate();
 
       schedulePub(args: ['install'],
           error: const RegExp(@'^Could not find a file named "pubspec.yaml"'),
           exitCode: 1);
 
       run();
     });
 
     test('a pubspec with a "name" key', () {
       dir(appPath, [
         pubspec({"dependencies": {"foo": null}})
       ]).scheduleCreate();
 
       schedulePub(args: ['install'],
-          error: const RegExp(@'^"pubspec.yaml" is missing the required "name" '
+          error: const RegExp(@'^pubspec.yaml is missing the required "name" '
               @'field \(e\.g\. "name: myapp"\)\.'),
           exitCode: 1);
 
       run();
     });
   });
 
   test('adds itself to the packages', () {
     // The symlink should use the name in the pubspec, not the name of the
     // directory.
@@ skipping 149 matching lines @@
     schedulePub(args: ['install'],
         error: '''
         Warning: Package "myapp_name" is using a deprecated layout.
         See http://www.dartlang.org/docs/pub-package-manager/package-layout.html for details.
         ''',
         output: const RegExp(@"Dependencies installed!$"));
 
     run();
   });
 }