gclient_scm: add test to catch bug fixed by r208010

tests/gclient_test.py

Index: tests/gclient_test.py
diff --git a/tests/gclient_test.py b/tests/gclient_test.py
index 305736d536ac22792995f112eef5c5f802518da5..8d9295cd209313580cc63d7d760adce8c61bb13d 100644
--- a/tests/gclient_test.py
+++ b/tests/gclient_test.py
@@ -1117,6 +1117,8 @@ class SCMWrapperTestCase(GClientBaseTestCase):
                             relpath=self.relpath)
     file_list = []
     scm.revert(options, self.args, file_list)
+    self.assertEquals(sorted(file_list), sorted([os.path.join(base_path, 'a'),
+                                                 os.path.join(base_path, 'b')]))
 
   def testRevertUnversionedUnexpectedFile(self):
     options = self.Options(verbose=True)
@@ -1137,6 +1139,8 @@ class SCMWrapperTestCase(GClientBaseTestCase):
                             relpath=self.relpath)
     file_list = []
     scm.revert(options, self.args, file_list)
+    # TODO(msb): fix bug (file_list contains dupes) and enable assertion
+    #self.assertEquals(file_list, [os.path.join(base_path, 'a')])
 
   def testStatus(self):
     options = self.Options(verbose=True)