Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart

Index: sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart b/sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart
index f73badd071196c44cf4e6edce10294d3b63b9481..54dadb20130e2a6c73f262ea52f381280f2db438 100644
--- a/sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/dart2js/does_not_compile_until_its_output_is_requested_test.dart
@@ -1,17 +1,26 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS d.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_stream.dart';
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
+
 main() {
   initConfig();
   integration("does not compile until its output is requested", () {
     d.dir(appPath, [d.pubspec({
         "name": "myapp",
-        "version": "0.0.1"
+        "version": "0.0.1",
       }),
           d.dir("web", [d.file("syntax-error.dart", "syntax error")])]).create();
+
     var server = pubServe();
     server.stdout.expect("Build completed successfully");
+
+    // Once we request the output, it should start compiling and fail.
     requestShould404("syntax-error.dart.js");
     server.stdout.expect(
         emitsLines(