[test-runner] Move test case processing beyond the multi-process boundary.

tools/testrunner/network/endpoint.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 75 matching lines @@
     self.sender_lock.release()
 
 
 def Execute(workspace, ctx, tests, sock, server):
   suite_paths = utils.GetSuitePaths(os.path.join(workspace, "test"))
   suites = []
   for root in suite_paths:
     suite = testsuite.TestSuite.LoadTestSuite(
         os.path.join(workspace, "test", root))
     if suite:
+      suite.SetupWorkingDirectory()
       suites.append(suite)
 
   suites_dict = {}
   for s in suites:
     suites_dict[s.name] = s
     s.tests = []
   for t in tests:
     suite = suites_dict[t.suite]
     t.suite = suite
     suite.tests.append(t)
 
   suites = [ s for s in suites if len(s.tests) > 0 ]
   for s in suites:
     s.DownloadData()
 
   progress_indicator = EndpointProgress(sock, server, ctx)
   runner = execution.Runner(suites, progress_indicator, ctx)
   try:
     runner.Run(server.jobs)
   except IOError, e:
     if e.errno == 2:
       message = ("File not found: %s, maybe you forgot to 'git add' it?" %
                  e.filename)
     else:
       message = "%s" % e
     compression.Send([[-1, message]], sock)
   progress_indicator.HasRun(None, None)  # Sentinel to signal the end.
   progress_indicator.sender_lock.acquire()  # Released when sending is done.
   progress_indicator.sender_lock.release()