Clean up a few static warnings.

utils/tests/pub/pub_lish_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 pub_lish_test;
 
 import 'dart:io';
 import 'dart:json' as json;
 
 import 'test_pub.dart';
-import 'test_pub.dart';
 import '../../../pkg/unittest/lib/unittest.dart';
 import '../../pub/io.dart';
 
 void handleUploadForm(ScheduledServer server, [Map body]) {
   server.handle('GET', '/packages/versions/new.json', (request, response) {
     return server.url.then((url) {
       expect(request.headers.value('authorization'),
           equals('Bearer access token'));
 
       if (body == null) {
@@ skipping 342 matching lines @@
     server.handle('GET', '/create', (request, response) {
       response.outputStream.writeString(json.stringify(body));
       response.outputStream.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals(json.stringify(body)));
     pub.shouldExit(1);
   });
 }