def METHOD_NAME(self):
    """cf https://github.com/NeuralEnsemble/PyNN/issues/423"""
    intended_tau_minus = 18.9
    stdp_model = sim.STDPMechanism(
        timing_dependence=sim.SpikePairRule(tau_plus=16.7, tau_minus=intended_tau_minus,
                                            A_plus=0.005, A_minus=0.005),
        weight_dependence=sim.AdditiveWeightDependence(w_min=0.0, w_max=1.0),
        weight=0.5, delay=1.0, dendritic_delay_fraction=1.0)
    prj = sim.Projection(self.p1, self.p2, self.all2all,
                         synapse_type=stdp_model)
    actual_tau_minus = nest.GetStatus(prj.post.node_collection[0], "tau_minus")[0]
    self.assertEqual(intended_tau_minus, actual_tau_minus)