Revert "Refactoring: Make gtest testsuite the default."

tools/testrunner/local/utils.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 18 matching lines @@
 import os
 from os.path import exists
 from os.path import isdir
 from os.path import join
 import platform
 import re
 import urllib2
 
 
 def GetSuitePaths(test_root):
-  return [ f for f in os.listdir(test_root) if isdir(join(test_root, f)) ]
+  def IsSuite(path):
+    return isdir(path) and exists(join(path, 'testcfg.py'))
+  return [ f for f in os.listdir(test_root) if IsSuite(join(test_root, f)) ]
 
 
 # Reads a file into an array of strings
 def ReadLinesFrom(name):
   lines = []
   with open(name) as f:
     for line in f:
       if line.startswith('#'): continue
       if '#' in line:
         line = line[:line.find('#')]
@@ skipping 62 matching lines @@
 
 def IsWindows():
   return GuessOS() == 'windows'
 
 
 def URLRetrieve(source, destination):
   """urllib is broken for SSL connections via a proxy therefore we
   can't use urllib.urlretrieve()."""
   with open(destination, 'w') as f:
     f.write(urllib2.urlopen(source).read())