moar timeouts

test/mustachio/aot_compiler_builder_test.dart

@@ -2,7 +2,7 @@
 // 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.
 
-@Timeout.factor(2)
+@Timeout.factor(4)
 import 'dart:convert';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:build/build.dart';