Make integration tests a bit cleaner.

utils/tests/pub/install/git/different_repo_name_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 require the repository name to match the name in the '
+  integration('doesn\'t require the repository name to match the name in the '
       'pubspec', () {
     ensureGit();
 
     git('foo.git', [
       libDir('weirdname'),
       libPubspec('weirdname', '1.0.0')
     ]).scheduleCreate();
 
     dir(appPath, [
       pubspec({
         "name": "myapp",
         "dependencies": {
           "weirdname": {"git": "../foo.git"}
         }
       })
     ]).scheduleCreate();
 
     schedulePub(args: ['install'],
         output: new RegExp(r"Dependencies installed!$"));
 
     dir(packagesPath, [
       dir('weirdname', [
         file('weirdname.dart', 'main() => "weirdname";')
       ])
     ]).scheduleValidate();
-
-    run();
   });
 }