Start pulling pub from its own repo.

sdk/lib/_internal/pub/test/build/outputs_results_to_json_test.dart

-// Copyright (c) 2014, 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:scheduled_test/scheduled_test.dart';
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-main() {
-  initConfig();
-
-  integration("outputs results to JSON in a successful build", () {
-    // Dart2js can take a long time to compile dart code, so we increase the
-    // timeout to cope with that.
-    currentSchedule.timeout *= 3;
-
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir('web', [
-        d.file('main.dart', 'void main() => print("hello");')
-      ])
-    ]).create();
-
-    schedulePub(args: ["build", "--format", "json"],
-        outputJson: {
-          'buildResult': 'success',
-          'outputDirectory': 'build',
-          'numFiles': 1,
-          'log': [
-            {
-              'level': 'Info',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': 'Compiling myapp|web/main.dart...'
-            },
-            {
-              'level': 'Info',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': contains(r'to compile myapp|web/main.dart.')
-            },
-            {
-              'level': 'Fine',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': contains(r'Took')
-            }
-          ]
-        });
-  });
-}