Fix unbound variable error in python code. This fixes the browser tests breakage.

tools/testing/test_configuration.py

 # Copyright (c) 2011, 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.
 
 """Common Testconfiguration subclasses used to define a class of tests."""
 
 import atexit
 import fileinput
 import os
 import re
@@ skipping 62 matching lines @@
         if vm_options_list:
           tests = []
           for options in vm_options_list:
             tests.append(test_case.BrowserTestCase(
                 self.context, test_path, filename, False, mode, arch, component,
                 options + self.flags))
           return tests
         else:
           return [test_case.BrowserTestCase(
               self.context, test_path, filename, False, mode, arch, component,
-              options)]
+              self.flags)]
     else:
       tests = []
       if tags:
         for tag in sorted(tags):
           kind, test_source = tags[tag]
           if not self.Contains(path, test_path + [tag]):
             continue
           tests.append(test_case.MultiTestCase(self.context,
                                                test_path + [tag],
                                                test_source,
@@ skipping 210 matching lines @@
 
   def GetTestStatus(self, sections, defs):
     status = os.path.join(self.root, 'dartc.status')
     if os.path.exists(status):
       test.ReadConfigurationInto(status, sections, defs)
 
   def _Cleanup(self, tests):
     if not utils.Daemonize(): return
     os.execlp('rm', *(['rm', '-rf'] + [t.temp_dir for t in tests]))
     raise