Split apart several asynchronous tests to reduce timeouts.

utils/tests/pub/oauth2/with_a_pre_existing_credentials_does_not_authenticate_test.dart

Index: utils/tests/pub/oauth2/with_a_pre_existing_credentials_does_not_authenticate_test.dart
diff --git a/utils/tests/pub/lish/upload_form_provides_invalid_json_test.dart b/utils/tests/pub/oauth2/with_a_pre_existing_credentials_does_not_authenticate_test.dart
similarity index 63%
copy from utils/tests/pub/lish/upload_form_provides_invalid_json_test.dart
copy to utils/tests/pub/oauth2/with_a_pre_existing_credentials_does_not_authenticate_test.dart
index 3f2c4866871e9889eb4a0942bc7ffcf661f2da4f..976903c47db69fb926c732ee848f66f2810f4f32 100644
--- a/utils/tests/pub/lish/upload_form_provides_invalid_json_test.dart
+++ b/utils/tests/pub/oauth2/with_a_pre_existing_credentials_does_not_authenticate_test.dart
@@ -1,34 +1,35 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
+import 'dart:io';
 import 'dart:json' as json;
 
 import 'package:scheduled_test/scheduled_test.dart';
 import 'package:scheduled_test/scheduled_server.dart';
 
+import '../../../pub/io.dart';
+import '../../../pub/utils.dart';
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
 
 main() {
-  initConfig();
-  setUp(d.validPackage.create);
+  integration('with a pre-existing credentials.json does not authenticate', () {
+    d.validPackage.create();
 
-  integration('upload form provides invalid JSON', () {
     var server = new ScheduledServer();
     d.credentialsFile(server, 'access token').create();
     var pub = startPublish(server);
-
     confirmPublish(pub);
 
     server.handle('GET', '/packages/versions/new.json', (request) {
-      request.response.write('{not json');
+      expect(request.headers.value('authorization'),
+          equals('Bearer access token'));
+
       request.response.close();
     });
 
-    expect(pub.nextErrLine(), completion(equals('Invalid server response:')));
-    expect(pub.nextErrLine(), completion(equals('{not json')));
-    pub.shouldExit(1);
+    pub.kill();
   });
-}
+}