Require a homepage field in pubspecs.

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.
  */
@@ skipping 257 matching lines @@
 
 /**
  * Describes a map representing a library package with the given [name],
  * [version], and [dependencies].
  */
 Map package(String name, String version, [List dependencies]) {
   var package = {
     "name": name,
     "version": version,
     "author": "Nathan Weizenbaum <nweiz@google.com>",
-    "homepage": "http://pub.dartlang.org"
+    "homepage": "http://pub.dartlang.org",
+    "description": "A package, I guess."
   };
   if (dependencies != null) {
     package["dependencies"] = _dependencyListToMap(dependencies);
   }
   return package;
 }
 
 /**
  * Describes a map representing a dependency on a package in the package
  * repository.
@@ skipping 1341 matching lines @@
 /// calling [completion] is unnecessary.
 void expectLater(Future actual, matcher, {String reason,
     FailureHandler failureHandler, bool verbose: false}) {
   _schedule((_) {
     return actual.transform((value) {
       expect(value, matcher, reason: reason, failureHandler: failureHandler,
           verbose: false);
     });
   });
 }