pkg/docgen: updated min dependencies of args and unittest

pkg/docgen/test/single_library_test.dart

Index: pkg/docgen/test/single_library_test.dart
diff --git a/pkg/docgen/test/single_library_test.dart b/pkg/docgen/test/single_library_test.dart
index ea5ad6b51b3a997f0b41c223c653593ca2851510..1d7ded5a54d746eec7363d8e669952559714ca57 100644
--- a/pkg/docgen/test/single_library_test.dart
+++ b/pkg/docgen/test/single_library_test.dart
@@ -48,8 +48,9 @@ main() {
       var fileName = path.join(temporaryDir.path, 'temp.dart');
       var file = new File(fileName);
       file.writeAsStringSync(DART_LIBRARY);
-      getMirrorSystem([new Uri.file(fileName)])
-        .then(expectAsync1((mirrorSystem) {
+
+      return getMirrorSystem([new Uri.file(fileName)])

[Alan Knight, 2014/02/19 19:00:46]

Same here.

+        .then((mirrorSystem) {
           var testLibraryUri = new Uri.file(path.absolute(fileName),
                                             windows: Platform.isWindows);
           var library = new Library(mirrorSystem.libraries[testLibraryUri]);
@@ -121,7 +122,7 @@ main() {
           // Testing something with no reference
           var libraryDocComment = method.fixReference('foobar').text;
           expect(libraryDocComment, 'foobar');
-        })).whenComplete(() => temporaryDir.deleteSync(recursive: true));
+        }).whenComplete(() => temporaryDir.deleteSync(recursive: true));
     });
   });
 }