Fixed test framework problem.

tools/test.py

 #!/usr/bin/env python
 #
 # Copyright 2008 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
@@ skipping 12 matching lines @@
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import imp
 import optparse
 import os
-from os.path import join, dirname, abspath, basename, isdir
+from os.path import join, dirname, abspath, basename, isdir, exists
 import platform
 import re
 import signal
 import subprocess
 import sys
 import tempfile
 import time
 import utils
 
 
@@ skipping 1013 matching lines @@
     suffix = value[pos+1:].split()
     def ExpandCommand(args):
       return prefix + args + suffix
     return ExpandCommand
 
 
 BUILT_IN_TESTS = ['mjsunit', 'cctest']
 
 
 def GetSuites(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)) ]
 
 
 def Main():
   parser = BuildOptions()
   (options, args) = parser.parse_args()
   if not ProcessOptions(options):
     parser.print_help()
     return 1
 
   workspace = abspath(join(dirname(sys.argv[0]), '..'))
@@ skipping 82 matching lines @@
         return 0
       else:
         return 1
     except KeyboardInterrupt:
       print "Interrupted"
       return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())