def test_build_event(self):
        evt = event.build_event("evt_name", arg1="val1", arg2=None)
        assert evt.name == "evt_name"
        assert evt.args == {'arg1': "val1", 'arg2': None}
def bad(self, f, msg):
        """Callback from dirstate.walk for each explicit file that can't be
        found/accessed, with an error message."""