Create a unit test config for the pub tests that's prettier.

utils/tests/pub/test_pub.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.
 
 /// Test infrastructure for testing pub. Unlike typical unit tests, most pub
 /// tests are integration tests that stage some stuff on the file system, run
 /// pub, and then validate the results. This library provides an API to build
 /// tests like that.
 library test_pub;
 
@@ skipping 11 matching lines @@
 import '../../pub/entrypoint.dart';
 import '../../pub/git_source.dart';
 import '../../pub/hosted_source.dart';
 import '../../pub/http.dart';
 import '../../pub/io.dart';
 import '../../pub/sdk_source.dart';
 import '../../pub/system_cache.dart';
 import '../../pub/utils.dart';
 import '../../pub/validator.dart';
 import '../../pub/yaml/yaml.dart';
+import 'command_line_config.dart';
+
+/// This should be called at the top of a test file to set up an appropriate
+/// test configuration for the machine running the tests.
+initConfig() {
+  // If we aren't running on the bots, use the human-friendly config.
+  if (new Options().arguments.contains('--human')) {
+    configure(new CommandLineConfiguration());
+  }
+}
 
 /// Creates a new [FileDescriptor] with [name] and [contents].
 FileDescriptor file(Pattern name, String contents) =>
     new FileDescriptor(name, contents);
 
 /// Creates a new [DirectoryDescriptor] with [name] and [contents].
 DirectoryDescriptor dir(Pattern name, [List<Descriptor> contents]) =>
     new DirectoryDescriptor(name, contents);
 
 /// Creates a new [FutureDescriptor] wrapping [future].
@@ skipping 398 matching lines @@
 bool _abortScheduled = false;
 
 /// The time (in milliseconds) to wait for the entire scheduled test to
 /// complete.
 final _TIMEOUT = 30000;
 
 /// Runs all the scheduled events for a test case. This should only be called
 /// once per test case.
 void run() {
   var createdSandboxDir;
-
   var asyncDone = expectAsync0(() {});
 
   Future cleanup() {
     return _runScheduled(createdSandboxDir, _scheduledCleanup).then((_) {
       _scheduled = null;
       _scheduledCleanup = null;
       _scheduledOnException = null;
       if (createdSandboxDir != null) return deleteDir(createdSandboxDir);
       return new Future.immediate(null);
     });
@@ skipping 1078 matching lines @@
 /// calling [completion] is unnecessary.
 void expectLater(Future actual, matcher, {String reason,
     FailureHandler failureHandler, bool verbose: false}) {
   _schedule((_) {
     return actual.then((value) {
       expect(value, matcher, reason: reason, failureHandler: failureHandler,
           verbose: false);
     });
   });
 }