Change from absolute paths to relative paths to allow tests,etc. to be locate...

tests/lab/runner_util.py

 #!/usr/bin/python2.6.2
 # Copyright 2009, Google Inc.
 # 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.
@@ skipping 24 matching lines @@
 
 import logging
 import os
 import subprocess
 import shutil
 import sys
 
 import runner_constants as const
 import util
 
-CHANGE_RESOLUTION_PATH = (const.O3D_PATH + '/o3d/tests/lab' 
-                          '/ChangeResolution/Debug/changeresolution.exe')
+CHANGE_RESOLUTION_PATH = os.path.join(const.TEST_PATH, 'lab', 
+                                      'ChangeResolution','Debug',
+                                      'changeresolution.exe')
 
 def EnsureWindowsScreenResolution(width, height, bpp):
   """Performs all steps needed to configure system for testing on Windows.
 
   Args:
     width: new screen resolution width
     height: new screen resolution height
     bpp: new screen resolution bytes per pixel
   Returns:
     True on success.
@@ skipping 98 matching lines @@
   return not DoesAnO3DPluginExist()
 
 def DoesAnO3DPluginExist():
   for path in const.INSTALL_PATHS:
     if os.path.exists(path):
       return True
   return False