c.author_timezone = c.commit_timezone = 0
c.message = "msg"
c.tree = t.id
self.store.add_objects([(b, None), (t, None), (c, None)])
c.author_timezone = c.commit_timezone = 0
c.message = "msg"
c.tree = t.id
self.store.add_objects([(b, None), (t, None), (c, None)])