def METHOD_NAME(self):
    m = simple_model_1()
    sens = SensitivityInterface(m, clone_model=False)
    k_aug = K_augInterface()
    opt_ipopt.solve(m, tee=True)
    m.ptb = pyo.Param(mutable=True, initialize=1.5)
    cwd = os.getcwd()
    dir_contents = os.listdir(cwd)
    sens_param = [m.p]
    sens.setup_sensitivity(sens_param)
    k_aug.k_aug(m, tee=True)
    # We are back in our working directory
    self.assertEqual(cwd, os.getcwd())
    # The contents of this directory have not changed
    self.assertEqual(dir_contents, os.listdir(cwd))
    # In particular, the following files do not exist
    self.assertFalse(os.path.exists("dsdp_in_.in"))
    self.assertFalse(os.path.exists("conorder.txt"))
    self.assertFalse(os.path.exists("timings_k_aug_dsdp.txt"))
    # But they have been transferred to our k_aug interface's data
    # dict as strings.
    self.assertIsInstance(k_aug.data["dsdp_in_.in"], str)
    self.assertIsInstance(k_aug.data["conorder.txt"], str)
    self.assertIsInstance(k_aug.data["timings_k_aug_dsdp.txt"], str)