Make "--no-packages-dir" the default.

test/descriptor.dart

 // Copyright (c) 2013, 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.
 
 /// Pub-specific scheduled_test descriptors.
 import 'package:oauth2/oauth2.dart' as oauth2;
 import 'package:pub/src/io.dart';
 import 'package:pub/src/utils.dart';
 import 'package:scheduled_test/descriptor.dart';
 import 'package:scheduled_test/scheduled_server.dart';
@@ skipping 185 matching lines @@
 /// are located on disk. If the strings are semantic versions, then the packages
 /// are located in the system cache; otherwise, the strings are interpreted as
 /// relative `file:` URLs.
 ///
 /// Validation checks that the `.packages` file exists, has the expected
 /// entries (one per key in [dependencies]), each with a path that contains
 /// either the version string (for a reference to the pub cache) or a
 /// path to a path dependency, relative to the application directory.
 Descriptor packagesFile([Map<String, String> dependencies]) =>
   new PackagesFileDescriptor(dependencies);
+
+/// Describes a `.packages` file in the application directory, including the
+/// implicit entry for the app itself.
+Descriptor appPackagesFile(Map<String, String> dependencies) {
+  var copied = new Map<String, String>.from(dependencies);

[nweiz, 2016/09/28 20:01:21]

Are these type annotations required? I thought the .from() methods had been
updated to be typed.

[Bob Nystrom, 2016/09/29 00:21:26]

Doesn't seem like it. Would you rather I leave it out and assume it will catch
up at some point?

[nweiz, 2016/09/29 00:32:41]

Yeah, that's what I do.

[Bob Nystrom, 2016/09/29 00:56:41]

Done.

+  copied["myapp"] = ".";
+  return dir(appPath, [packagesFile(copied)]);
+}