V8 Buildbot: Add test262-es6 to linux64 trybot.

scripts/slave/recipe_modules/v8/builders.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Contains the bulk of the V8 builder configurations so they can be reused
 # from multiple recipes.
 
 from infra.libs.infra_types import freeze
 
 BUILDERS = {
@@ skipping 1527 matching lines @@
           'BUILD_CONFIG': 'Release',
           'TARGET_BITS': 64,
         },
         'bot_type': 'builder_tester',
         'tests': [
           'v8initializers',
           'unittests',
           'v8testing',
           'optimize_for_size',
           'webkit',
+          'test262_es6',
           'simdjs',
         ],
         'testing': {'platform': 'linux'},
       },
       'v8_linux64_avx2_rel': {
         'chromium_apply_config': ['v8_goma'],
         'v8_config_kwargs': {
           'BUILD_CONFIG': 'Release',
           'TARGET_BITS': 64,
         },
@@ skipping 415 matching lines @@
 dart_linux_release['chromium_apply_config'].extend(['v8_goma'])
 
 dart_mac_release = BUILDERS['client.dart.fyi']['builders']['v8-mac-release']
 dart_mac_release['chromium_apply_config'].extend(['v8_ninja', 'clang', 'goma'])
 
 dart_win_release = BUILDERS['client.dart.fyi']['builders']['v8-win-release']
 dart_win_release['chromium_apply_config'].extend(['v8_ninja', 'msvs2013'])
 
 BUILDERS = freeze(BUILDERS)
 BRANCH_BUILDERS = freeze(BRANCH_BUILDERS)