Activate --harmony switch on test262-es6

test/test262-es6/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 61 matching lines @@
       for filename in files:
         if filename.endswith(".js"):
           testname = os.path.join(dirname[len(self.testroot) + 1:],
                                   filename[:-3])
           case = testcase.TestCase(self, testname)
           tests.append(case)
     return tests
 
   def GetFlagsForTestCase(self, testcase, context):
     return (testcase.flags + context.mode_flags + self.harness +
-            self.GetIncludesForTest(testcase) +
+            self.GetIncludesForTest(testcase) + ["--harmony"] +
             [os.path.join(self.testroot, testcase.path + ".js")])
 
   def LoadParseTestRecord(self):
     if not self.ParseTestRecord:
       root = os.path.join(self.root, *TEST_262_TOOLS_PATH)
       f = None
       try:
         (f, pathname, description) = imp.find_module("parseTestRecord", [root])
         module = imp.load_module("parseTestRecord", f, pathname, description)
         self.ParseTestRecord = module.parseTestRecord
@@ skipping 62 matching lines @@
         # Magic incantation to allow longer path names on Windows.
         archive.extractall(u"\\\\?\\%s" % self.root)
       else:
         archive.extractall(self.root)
       os.rename(os.path.join(self.root, "tc39-test262-%s" % revision),
                 directory_name)
 
 
 def GetSuite(name, root):
   return Test262TestSuite(name, root)