def METHOD_NAME(self):
    base = np.zeros(self.some_num_derivatives + 1)
    base[0] = 1
    e_0_expected = np.kron(np.eye(1), base)
    e_0 = self.integrator.proj2coord(coord=0)
    np.testing.assert_allclose(e_0, e_0_expected)
    base = np.zeros(self.some_num_derivatives + 1)
    base[-1] = 1
    e_q_expected = np.kron(np.eye(1), base)
    e_q = self.integrator.proj2coord(coord=self.some_num_derivatives)
    np.testing.assert_allclose(e_q, e_q_expected)