[swarming] Isolate v8 testing.

build/all.gyp

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'dependencies': [
         '../samples/samples.gyp:*',
         '../src/d8.gyp:d8',
         '../test/cctest/cctest.gyp:*',
         '../test/unittests/unittests.gyp:*',
       ],
       'conditions': [
         ['component!="shared_library"', {
           'dependencies': [
             '../tools/parser-shell.gyp:parser-shell',
           ],
         }],
+        ['test_isolation_mode != "noop"', {
+          'dependencies': [
+            '../test/default.gyp:*',
+            '../test/developer_default.gyp:*',
+            '../test/intl/intl.gyp:*',
+            '../test/message/message.gyp:*',
+            '../test/mjsunit/mjsunit.gyp:*',
+            '../test/preparser/preparser.gyp:*',
+          ],
+        }],
       ]
     }
   ]
 }