Update to most recent test262 version.

test/test262/testcfg.py

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 16 matching lines @@
 
 
 import test
 import os
 from os.path import join, exists
 import urllib
 import hashlib
 import tarfile
 
 
-TEST_262_ARCHIVE_REVISION = '3a890174343c'  # This is the r309 revision.
-TEST_262_ARCHIVE_MD5 = 'be5d4cfbe69cef70430907b8f3a92b50'
+TEST_262_ARCHIVE_REVISION = 'fb327c439e20'  # This is the r334 revision.
+TEST_262_ARCHIVE_MD5 = '307acd166ec34629592f240dc12d57ed'
 TEST_262_URL = 'http://hg.ecmascript.org/tests/test262/archive/%s.tar.bz2'
 TEST_262_HARNESS = ['sta.js']
 
 
 class Test262TestCase(test.TestCase):
 
   def __init__(self, filename, path, context, root, mode, framework):
     super(Test262TestCase, self).__init__(context, path, mode)
     self.filename = filename
     self.framework = framework
@@ skipping 58 matching lines @@
     if not exists(archive_name):
       print "Downloading test data from %s ..." % archive_url
       urllib.urlretrieve(archive_url, archive_name)
     if not exists(directory_name):
       print "Extracting test262-%s.tar.bz2 ..." % revision
       md5 = hashlib.md5()
       with open(archive_name,'rb') as f:
         for chunk in iter(lambda: f.read(8192), ''):
           md5.update(chunk)
       if md5.hexdigest() != TEST_262_ARCHIVE_MD5:
+        os.remove(archive_name)
         raise Exception("Hash mismatch of test data file")
       archive = tarfile.open(archive_name, 'r:bz2')
       archive.extractall(join(self.root))
       os.rename(join(self.root, 'test262-%s' % revision), directory_name)
 
   def GetBuildRequirements(self):
     return ['d8']
 
   def GetTestStatus(self, sections, defs):
     status_file = join(self.root, 'test262.status')
     if exists(status_file):
       test.ReadConfigurationInto(status_file, sections, defs)
 
 
 def GetConfiguration(context, root):
   return Test262TestConfiguration(context, root)