Add option to collapse symlinks in isolate.py

client/tests/isolate_test.py

 #!/usr/bin/env python
 # Copyright 2012 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import cStringIO
 import hashlib
 import json
 import logging
 import optparse
@@ skipping 271 matching lines @@
       outdir = os.path.join(self.directory, 'outdir')
       isolate = isolate_file
       blacklist = list(isolateserver.DEFAULT_BLACKLIST)
       path_variables = {}
       config_variables = {
         'OS': 'linux',
         'chromeos': 1,
       }
       extra_variables = {'foo': 'bar'}
       ignore_broken_items = False
+      collapse_symlinks = False
     return Options()
 
   def _cleanup_isolated(self, expected_isolated):
     """Modifies isolated to remove the non-deterministic parts."""
     if sys.platform == 'win32':
       # 'm' are not saved in windows.
       for values in expected_isolated['files'].itervalues():
         self.assertTrue(values.pop('m'))
 
   def _cleanup_saved_state(self, actual_saved_state):
@@ skipping 1317 matching lines @@
 
 def clear_env_vars():
   for e in ('ISOLATE_DEBUG', 'ISOLATE_SERVER'):
     os.environ.pop(e, None)
 
 
 if __name__ == '__main__':
   fix_encoding.fix_encoding()
   clear_env_vars()
   test_utils.main()