def METHOD_NAME(self):
    self.n_forward = 10
    for i in range(self.n_forward):
        self.data.v[:] = self.dae_t
        self.dtime.check_var(self.dae_t)
        self.dae_t += self.tstep
    np.testing.assert_almost_equal(self.vt, [(self.n_forward - 1) * self.tstep - self.time] * self.n)