Increase the timeout for a failing pub test.

sdk/lib/_internal/pub/test/serve/utils.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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_tests;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
@@ skipping 88 matching lines @@
 ///
 /// Returns the `pub serve` process.
 ScheduledProcess startPubServe([Iterable<String> args]) {
   // Use port 0 to get an ephemeral port.
   var pubArgs = ["serve", "--port=0", "--hostname=127.0.0.1", "--force-poll"];
 
   if (args != null) pubArgs.addAll(args);
 
   // Dart2js can take a long time to compile dart code, so we increase the
   // timeout to cope with that.
-  currentSchedule.timeout = new Duration(seconds: 15);
+  currentSchedule.timeout *= 1.5;
 
   return startPub(args: pubArgs);
 }
 
 /// Schedules starting the "pub serve" process and records its port number for
 /// future requests.
 ///
 /// If [shouldGetFirst] is `true`, validates that pub get is run first. In that
 /// case, you can also pass [numDownloads] to specify how many packages should
 /// be downloaded during the get.
@@ skipping 120 matching lines @@
 /// socket. It omitted, request is JSON encoded to a string first.
 void webSocketShouldReply(request, expectation, {bool encodeRequest: true}) {
   schedule(() => _ensureWebSocket().then((_) {
     if (encodeRequest) request = JSON.encode(request);
     _webSocket.add(request);
     return _webSocketBroadcastStream.first.then((value) {
       expect(JSON.decode(value), expectation);
     });
   }), "send $request to web socket and expect reply that $expectation");
 }