Remove stale revert.py unit test and fix another test I broke in r37487.

tests/presubmit_unittest.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 
 """Unit tests for presubmit_support.py and presubmit_canned_checks.py."""
 
 import StringIO
 
 import presubmit_support as presubmit
@@ skipping 716 matching lines @@
       (
         [
           # To be tested.
           f('a/.git'),
           f('b.c/.git'),
           f('a/.git/bleh.py'),
           f('.git/bleh.py'),
         ],
         [
           # Expected.
-          'b.c/.git',
         ],
       ),
     ]
     input_api = presubmit.InputApi(None, './PRESUBMIT.py', False)
     self.mox.ReplayAll()
 
+    self.assertEqual(len(input_api.DEFAULT_WHITE_LIST), 20)
     self.assertEqual(len(input_api.DEFAULT_BLACK_LIST), 9)
     for item in files:
       results = filter(input_api.FilterSourceFile, item[0])
       for i in range(len(results)):
         self.assertEquals(results[i].LocalPath(),
                           presubmit.normpath(item[1][i]))
       # Same number of expected results.
-      self.assertEquals(len(results), len(item[1]))
+      self.assertEquals(sorted([f.LocalPath() for f in results]),
+                        sorted(item[1]))
 
   def testCustomFilter(self):
     def FilterSourceFile(affected_file):
       return 'a' in affected_file.LocalPath()
     files = [('A', 'eeaee'), ('M', 'eeabee'), ('M', 'eebcee')]
     for (action, item) in files:
       item = presubmit.os.path.join(self.fake_root_dir, item)
       presubmit.os.path.exists(item).AndReturn(True)
       presubmit.os.path.isdir(item).AndReturn(False)
       presubmit.scm.SVN.GetFileProperty(item, 'svn:mime-type').AndReturn(None)
@@ skipping 760 matching lines @@
     self.mox.ReplayAll()
 
     results = presubmit_canned_checks.RunPythonUnitTests(
         input_api, presubmit.OutputApi, ['test_module'])
     self.assertEquals(len(results), 0)
 
 
 if __name__ == '__main__':
   import unittest
   unittest.main()