Increase timeout for simarm

tools/testing/dart/test_options.dart

 // Copyright (c) 2013, 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 test_options_parser;
 
 import "dart:io";
 import "dart:math";
 import "drt_updater.dart";
 import "test_suite.dart";
@@ skipping 627 matching lines @@
           }
           if (configuration['host_checked']) {
             timeout *= 16;
           }
           if (configuration['checked']) {
             timeout *= 2;
           }
           break;
         default:
           if (configuration['arch'] == 'simarm') {
-            timeout *= 2;
+            timeout *= 4;
           } else if (configuration['arch'] == 'arm') {
             timeout *= 4;
           }
           if (configuration['mode'] == 'debug') {
             timeout *= 2;
           }
           if (const ['drt', 'dartium'].contains(configuration['runtime'])) {
             timeout *= 4; // Allow additional time for browser testing to run.
           }
           break;
@@ skipping 72 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }