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--- a/Allura/allura/tests/unit/test_mixins.py
+++ b/Allura/allura/tests/unit/test_mixins.py
@@ -17,14 +17,14 @@
         assert vote.votes_up == 1
         assert vote.votes_up_users == [self.user1.username]
 
-        vote.vote_up(self.user1)
-        assert vote.votes_up == 1, 'Same user can vote only once'
-        assert vote.votes_up_users == [self.user1.username]
-
         vote.vote_up(self.user2)
         assert vote.votes_up == 2
         assert vote.votes_up_users == [self.user1.username,
                                        self.user2.username]
+
+        vote.vote_up(self.user1)  # unvote user1
+        assert vote.votes_up == 1
+        assert vote.votes_up_users == [self.user2.username]
 
         assert vote.votes_down == 0, 'vote_down must be 0 if we voted up only'
         assert len(vote.votes_down_users) == 0
@@ -36,14 +36,14 @@
         assert vote.votes_down == 1
         assert vote.votes_down_users == [self.user1.username]
 
-        vote.vote_down(self.user1)
-        assert vote.votes_down == 1, 'Same user can vote only once'
-        assert vote.votes_down_users == [self.user1.username]
-
         vote.vote_down(self.user2)
         assert vote.votes_down == 2
         assert vote.votes_down_users == [self.user1.username,
                                         self.user2.username]
+
+        vote.vote_down(self.user1)  # unvote user1
+        assert vote.votes_down == 1
+        assert vote.votes_down_users == [self.user2.username]
 
         assert vote.votes_up == 0, 'vote_up must be 0 if we voted down only'
         assert len(vote.votes_up_users) == 0