def METHOD_NAME(self):
    conn_params = self.conn_dict.copy()
    N = 10
    conn_params["allow_multapses"] = False
    # test that autapses exist
    conn_params["outdegree"] = N
    conn_params["allow_autapses"] = True
    pop = nest.Create("iaf_psc_alpha", N)
    nest.Connect(pop, pop, conn_params)
    # make sure all connections do exist
    M = connect_test_base.get_connectivity_matrix(pop, pop)
    connect_test_base.mpi_assert(np.diag(M), np.ones(N), self)