Add scripts to list or trace all test cases in a gtest executable.

tools/isolate/isolate_smoke_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import cStringIO
 import hashlib
 import json
 import logging
 import os
@@ skipping 442 matching lines @@
   LEVEL = isolate.STATS_ONLY
 
   @staticmethod
   def _to_string(values):
     buf = cStringIO.StringIO()
     isolate.trace_inputs.pretty_print(values, buf)
     return buf.getvalue()
 
   def test_fail(self):
     try:
-      self._execute('trace', 'fail.isolate', [], True)
+      self._execute('trace', 'fail.isolate', ['-v'], True)
       self.fail()
     except subprocess.CalledProcessError, e:
       out = e.output
     self._expect_no_tree()
     self._expect_results(['fail.py'], None, None)
     # In theory, there should be 2 \n at the end of expected but for an
     # unknown reason there's 3 \n on Windows so just rstrip() and compare the
     # text, that's sufficient for this test.
-    expected = 'Failure: 1\nFailing'
+    expected = 'Failing'
     self.assertEquals(expected, out.rstrip())
 
   def test_missing_trailing_slash(self):
     try:
       self._execute('trace', 'missing_trailing_slash.isolate', [], True)
       self.fail()
     except subprocess.CalledProcessError, e:
       out = e.output
     self._expect_no_tree()
     self._expect_no_result()
@@ skipping 69 matching lines @@
       ],
     }
     self.assertEquals(self._to_string(expected), out)
 
 
 
 if __name__ == '__main__':
   VERBOSE = '-v' in sys.argv
   logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
   unittest.main()