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 lock_temp(self, key):
    self.lock(key)
    try:
      yield
    finally:
      self.unlock(key)