switch from sample shell to d8 for unit test

test/es5conform/testcfg.py

 # Copyright 2008 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 79 matching lines @@
         if file.endswith('.js'):
           full_path = root_path + [file[:-3]]
           full_path = [x for x in full_path if not (x in ['data', 'TestCases'])]
           if self.Contains(path, full_path):
             test = ES5ConformTestCase(join(root, file), full_path, self.context,
                                    self.root, mode, harness)
             tests.append(test)
     return tests
 
   def GetBuildRequirements(self):
-    return ['sample', 'sample=shell']
+    return ['d8']
 
   def GetTestStatus(self, sections, defs):
     status_file = join(self.root, 'es5conform.status')
     if exists(status_file):
       test.ReadConfigurationInto(status_file, sections, defs)
 
 
 def GetConfiguration(context, root):
   return ES5ConformTestConfiguration(context, root)