Fix a couple broken tests in pub/validator_test.

utils/tests/pub/validator_test.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.
 
 library validator_test;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:json' as json;
 import 'dart:math' as math;
@@ skipping 534 matching lines @@
           dir(appPath, [dir(name)]).scheduleCreate();
           expectValidationWarning(directory);
         });
       }
     });
 
     integration('is more than 10 MB', () {
       expectValidationError(size(10 * math.pow(2, 20) + 1));
     });
 
-    test('contains compiled dartdoc', () {
+    integration('contains compiled dartdoc', () {
       dir(appPath, [
         dir('doc-out', [
           file('nav.json', ''),
           file('index.html', ''),
           file('styles.css', ''),
           file('dart-logo-small.png', ''),
           file('client-live-nav.js', '')
         ])
       ]).scheduleCreate();
 
       expectValidationWarning(compiledDartdoc);
     });
 
-    test('has a README with invalid utf-8', () {
+    integration('has a README with invalid utf-8', () {
       dir(appPath, [
         binaryFile("README", [192])
       ]).scheduleCreate();
       expectValidationWarning(utf8Readme);
     });
   });
 }